nx-320uhf digital transceiver · 2020. 2. 5. · electrical blasting caps or in an explosive...
TRANSCRIPT
SERVICE MANUAL
This product uses Lead Free solder.This product complies with the RoHS directive for the European market.
© 2011-3 PRINTED IN JA PANB51-8963-00 (N) 455
NX-320UHF DIGITAL TRANSCEIVER
Does not come with antenna.
Antenna is available as an option.
Knob (Volume)(K29-9485-03)
Knob (Selector)(K29-9486-03)
Knob (PTT)(K29-9500-03)
Button knob(Side1/Side2/AUX)(K29-9501-03)
Plastic cabinet assy(A02-4132-03)
Packing (4Key)(G53-1864-01)
Packing (16Key)(G53-1865-01)
Plastic cabinet assy(A02-4131-03)
Plastic cabinet assy(A02-4130-03)
Helical antenna(KRA-23: Option)
Knob (Volume)(K29-9485-03)
Knob (Selector)(K29-9486-03)
Knob (PTT)(K29-9500-03)
Button knob(Side1/Side2/AUX)(K29-9501-03)
Helical antenna(KRA-23: Option)
Knob (Volume)(K29-9485-03)
Knob (Selector)(K29-9486-03)
Knob (PTT)(K29-9500-03)
Button knob(Side1/Side2/AUX)(K29-9501-03)
Helical antenna(KRA-23: Option)
NX-320 K,K4,E3 NX-320 K2,K5,E2 NX-320 K3,K6,E
NX-320
2
GENERAL .....................................................3
SYSTEM SET-UP .........................................4
REALIGNMENT ...........................................5
DISASSEMBLY FOR REPAIR ......................8
CIRCUIT DESCRIPTION ............................12
COMPONENTS DESCRIPTION .................18
PARTS LIST ...............................................20
EXPLODED VIEW ......................................30
PACKING ....................................................31
TROUBLE SHOOTING ..............................32
ADJUSTMENT
K TYPE ....................................................35
E TYPE ....................................................54
TERMINAL FUNCTION .............................76
PC BOARD
DISPLAY UNIT (X54-3760-XX) ..............78
TX-RX UNIT (X57-8050-XX) ..................82
LEVEL DIAGRAM .....................................86
INTERCONNECTION DIAGRAM ..............87
SCHEMATIC DIAGRAM ............................88
BLOCK DIAGRAM ....................................98
OPTIONAL ACCESSORIES
KNB-55L (Li-ion Battery Pack) ............101
KNB-56N (Ni-MH Battery Pack) .........101
KNB-57L (Li-ion Battery Pack) ............101
SPECIFICATIONS ....................................102
CONTENTS
Document Copyrights
Copyright 2011 by Kenwood Corporation. All rights re-served.
No part of this manual may be reproduced, translated, distributed, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or other-wise, for any purpose without the prior written permission of Kenwood.
Disclaimer
While every precaution has been taken in the preparation of this manual, Kenwood assumes no responsibility for er-rors or omissions. Neither is any liability assumed for dam-ages resulting from the use of the information contained herein. Kenwood reserves the right to make changes to any products herein at any time for improvement purposes.
Firmware Copyrights
The title to and ownership of copyrights for firmware embedded in Kenwood product memories are reserved for Kenwood Corporation. Any modifying, reverse engineer-ing, copy, reproducing or disclosing on an Internet website of the firmware is strictly prohibited without prior written consent of Kenwood Corporation. Furthermore, any resell-ing, assigning or transferring of the fi rmware is also strictly prohibited without embedding the firmware in Kenwood product memories.
Transceivers containing AMBE+2™ Vocoder:The AMBE+2™ voice coding technology is embedded in
the fi rmware under the license of Digital Voice Systems, Inc.
NX-320
3
Model & Destination
(Market code)
Display unit X54-376X-XX TX-RX unit X57-805X-XX Frequency
rangeRemarks LCD 4-key
DTMF
keypad0-10 0-11 0-12 0-10 0-11
NX-320
K ✓ ✓450~
520MHz
1st IF: 49.95MHz
LOC: 50.4MHz
– – –
K2 ✓ ✓ ✓ ✓ –
K3 ✓ ✓ ✓ ✓ ✓
K4 ✓ ✓
400~470MHz
– – –
K5 ✓ ✓ ✓ ✓ –
K6 ✓ ✓ ✓ ✓ ✓
E ✓ ✓ ✓ ✓ ✓
E2 ✓ ✓ ✓ ✓ –
E3 ✓ ✓ – – –
INTRODUCTION
SCOPE OF THIS MANUALThis manual is intended for use by experienced techni-
cians familiar with similar types of commercial grade com-munications equipment. It contains all required service information for the equipment and is current as of the pub-lication date. Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions. These are issued as required.
ORDERING REPLACEMENT PARTS
When ordering replacement parts or equipment informa-tion, the full part identifi cation number should be included. This applies to all parts : components, kits, or chassis. If the part number is not known, include the chassis or kit number of which it is a part, and a suffi cient description of the re-quired component for proper identifi cation.
PERSONAL SAFETY
The following precautions are recommended for personal safety: • DO NOT transmit until all RF connectors are verifi ed se-
cure and any open connectors are properly terminated. • SHUT OFF and DO NOT operate this equipment near
electrical blasting caps or in an explosive atmosphere. • This equipment should be serviced by a qualifi ed techni-
cian only.
SERVICE
This transceiver is designed for easy servicing. Refer to the schematic diagrams, printed circuit board views, and alignment procedures contained within.
GENERAL
NX-320
4
SYSTEM SET-UP
Merchandise received
License and frequency allocated by FCC
Choose the type of transceiver
Transceiver programming
Are you using the optional antenna?
Are you using the speaker microphone?
A personal computer, programming interface (KPG-22A/22U), USB adapter (KCT-53U), and programming software (KPG-141D) are required for programming.(The frequency, and signaling data are programmed for the transceiver.)
Frequency range (MHz) RF power LCD 4-key
No
No
No
Yes Yes
Yes
Yes
Yes
Yes
Yes
No No
No
No
No
No
NoNo
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Type DTMF keypad
TX/RX 400~470 5WNX-320 K6
TX/RX 400~470 5WNX-320 E
TX/RX 400~470 5WNX-320 E2
TX/RX 400~470
TX/RX 450~520
TX/RX 450~520
TX/RX 450~520
TX/RX 400~470
TX/RX 400~470
5W
5W
5W
5W
5W
5W
NX-320 E3
NX-320 K
NX-320 K2
NX-320 K3
NX-320 K4
NX-320 K5
YESKRA-23 or KRA-27Optional antenna
NO
NO
(Option)
(Option)
YESKMC-21/KMC-45
Speaker microphoneor
KMC-48GPSGPS speaker microphone
Delivery
NX-320
5
1. Modes
User mode
Panel test mode *1
Firmware version information *1
Panel tuning mode *1
Data programming mode
PC test mode PC tuning mode
PC mode
Clone mode *1
Firmwareprogramming mode
Mode Function
User mode For normal use.
Panel test mode *1Used by the dealer to check the funda-mental characteristics.
Panel tuning mode *1 Used by the dealer to tune the transceiver.
PC modeUsed for communication between the transceiver and PC.
Data programming mode
Used to read and write frequency data and other features to and from the transceiver.
PC test modeUsed to check the transceiver using the PC.This feature is included in the FPU.
Firmware program-ming mode
Used when changing the main program of the fl ash memory.
Clone mode *1Used to transfer programming data from one transceiver to another.
Firmware version information *1
Used to confi rm the internal fi rmware ver-sion.
*1: K2,K3,K5,K6,E and E2 models only
2. How to Enter Each Mode
Mode Operation
User mode Power ON
Panel test mode *2 [ ] + Power ON
PC mode Received commands from PC
Panel tuning mode *2 [Panel test mode] + [ ]
Firmware programming mode [Side1] + Power ON
Clone mode *2 [ ] + Power ON
Firmware version information *2 [ ] + Power ON
*2: K2,K3,K5,K6,E and E2 models only
3. Panel Test Mode (K2,K3,K5,K6,E and E2 models only)
Setting method refer to ADJUSTMENT.
4. Panel Tuning Mode (K2,K3,K5,K6,E and E2 models only)
Setting method refer to ADJUSTMENT.
5. PC Mode
5-1. PrefaceThe transceiver is programmed by using a personal com-
puter, programming interface (KPG-22A/22U), USB adapter (KCT-53U) and programming software (KPG-141D).
The programming software can be used with a PC. Fig-ure 1 shows the setup of a PC for programming.
PCKPG-22A or KPG-22A+KCT-53U or KPG-22U
KPG-141D
Tuning cable(E30-3216-05)
D-SUB(9-pin)
Transceiver
KPG-22A
PC
GrayGray/Black1.5D-XV Lead wire1.5D-XV Shield wire
+–+–
SP
MIC
Transceiver Transceiver
USB
KPG-22U
PC
USB
KPG-22A
KCT-53U
PC
Fig. 1
5-2. Connection procedure1. Connect the transceiver to the computer using the inter-
face cable and USB adapter (When the interface cable is KPG-22A, the KCT-53U can be used.).
Note: • You must install the KPG-22U driver in the computer to
use the USB programming interface cable (KPG-22U). • You must install the KCT-53U driver in the computer to
use the USB adapter (KCT-53U). • When using the USB adapter (KCT-53U) for the fi rst time,
plug the KCT-53U into a USB port on the computer with the computer power ON.
REALIGNMENT
NX-320
6
2. When the POWER is switched on, you can immediately enter user mode. When the PC sends a command, the transceiver enters PC mode, and “PROGRAM” is dis-played on the LCD.
When data is transmitting from the transceiver, the red LED lights.
When data is receiving by the transceiver, the green LED lights.
Note: The data stored in the computer must match the “Model
Name” when it is written into the fl ash memory.
5-3. KPG-22A description
(PC programming interface cable: Option)The KPG-22A is required to interface the transceiver to
the computer. It has a circuit in its D-sub connector case that converts the RS-232C logic level to the TTL level.
The KPG-22A connects the SP/MIC connector of the transceiver to the RS-232C serial port of the computer.
5-4. KPG-22U description
(USB programming interface cable: Option)The KPG-22U is a cable which connects to a USB port on
a computer.When using the KPG-22U, install the supplied CD-ROM
(with driver software) in the computer. The KPG-22U driver runs under Windows XP, Vista or 7.
5-5. KCT-53U description (USB adapter: Option)The KCT-53U is a cable which connects the KPG-22A to a
USB port on a computer.When using the KCT-53U, install the supplied CD-ROM
(with driver software) in the computer. The KCT-53U driver runs under Windows 2000, XP or Vista (32-bit).
5-6. Programming software KPG-141D descriptionThe KPG-141D is the programming software for the trans-
ceiver supplied on a CD-ROM. This software runs under Windows XP, Vista or 7 on a PC.
The data can be input to or read from the transceiver and edited on the screen. The programmed or edited data can be printed out. It is also possible to tune the transceiver.
6. Firmware Programming Mode
6-1. PrefaceFlash memory is mounted on the transceiver. This allows
the transceiver to be upgraded when new features are re-leased in the future. (For details on how to obtain the fi rm-ware, contact Customer Service.)
6-2. Connection procedureConnect the transceiver to the personal computer using
the interface cable (KPG-22A/22U) and USB adapter (KCT-53U: when the interface cable is KPG-22A, the KCT-53U can be used.). (Connection is the same as in the PC Mode.)
6-3. Programming1. Start up the firmware programming software (Fpro.exe
(ver. 6.0 or later)). The Fpro.exe exists in the KPG-141D installed holder.
2. Set the communications speed (normally, 115200 bps) and communications port in the confi guration item.
3. Set the fi rmware to be updated by File name item.4. Press and hold the [Side1] key while turning the trans-
ceiver power ON. Then, the orange LED on the transceiv-er lights and “FIRM PRG” is displayed.
5. Check the connection between the transceiver and the personal computer, and make sure that the transceiver is in the Program mode.
6. Press “write” button in the window. When the transceiv-er starts to receive data, the [LOADING] display lights.
7. If writing ends successfully, the checksum is calculated and a result is displayed.
8. If you want to continue programming other transceivers, repeat steps 4 to 7.
6-4. FunctionIf you press the [Side1] key while “FIRM PRG” is dis-
played, the checksum is calculated, and a result is displayed. If you press the [Side1] key again while the checksum is displayed, “FIRM PRG” is redisplayed.
Note: • This mode cannot be entered if the Firmware Program-
ming mode is set to Disable in the Programming soft-ware.
• Normally, write in the high-speed mode. • The text message are displayed for K2,K3,K5,K6,E and E2
models only.
7. Clone Mode
(K2,K3,K5,K6,E and E2 models only)Programming data can be transferred from one transceiv-
er to another by connecting them via their external SP/MIC connectors. The operation is as follows (the transmit trans-ceiver is the source and the receive transceiver is a target).
The following data cannot be cloned. • Tuning data • Embedded message with password • Model name data • ESN (Electronic Serial Number) data
Note:The following data can be cloned. • Fleet (own)/ID (own) for FleetSync • Unit ID (own) for NXDN • ID (own) for MDC-1200 • My ID for 5-tone (E,E2 models only)
1. Press and hold the [ ] key while turning the transceiver power ON. If the Read authorization password is set to the transceiver, the transceiver displays “CLN LOCK”. If the password is not set, the transceiver displays “CLONE”.
REALIGNMENT
NX-320
7
2. When you enter the correct password, and “CLONE” is displayed, the transceiver can be used as the cloning source. The following describes how to enter the pass-word.
3. • How to enter the password using the keypad (K3,K6
and E models only); If one of keys 0 to 9 is pressed while the “CLN LOCK” is
displayed, the pressed number is displayed on the LCD. Each press of the key shifts the display in order to the
left. When you enter the password and press the [ ] or [ ]
key, “CLONE” is displayed if the entered password is correct. If the password is incorrect, “CLN LOCK” is re-displayed.
• How to enter the password using the Selector (K2,K3, K5,K6,E and E2 models only);
If the Selector is rotated while “CLN LOCK” is displayed, the Read authorization password input screen is dis-played.
If the Selector is rotated while the Read authorization password input screen is displayed, the number (0 to 9) blinks on the LCD. When you press the [ ] key, the cur-rently selected number is determined. If you press the [ ] key after entering the password in this procedure, “CLONE” is displayed if the entered password is correct. If the password is incorrect, “CLN LOCK” is redisplayed.
4. Power ON the target transceiver.5. Connect the cloning cable (part No. E30-3410-05) to the
SP/MIC connectors on the source and target.6. Press the [ ] key on the source while the source displays
“CLONE”. The data of the source is sent to the target. While the target is receiving the data, “PROGRAM” is displayed. When cloning of data is completed, the source displays “END”, and the target automatically operates in the User mode. The target can then be operated by the same program as the source.
7. The other target can be continuously cloned. When the [ ] key on the source is pressed while the source displays “END”, the source displays “CLONE”. Carry out the op-eration in step 4 to 6.
Note: • Cannot be cloned if the password (overwrite password) is
programmed to the target. • “Model Name” must be same to clone the transceiver.
Cloning cable(E30-3410-05)
Fig. 2
8. Firmware Version Information
(K2,K3,K5,K6,E and E2 models only)
Press and hold the [ ] key while turning the transceiver power ON and then keep pressing and holding the [ ] key, the fi rmware version information appears on the LCD.
REALIGNMENT
NX-320
8
DISASSEMBLY FOR REPAIR
1. Precautions for Disassembly
■ Removing the selector knob and volume knob1. Using a thin tool, insert it in the hole on the selector knob
side and push the knob spring. q Note: When you push the knob spring, take care not to
damage the resin of the knob.2. Lift and remove the selector knob w while pushing the
knob spring.3. Repeat steps 1 and 2 for the volume knob, to remove the
volume knob e.
Note:
Perform the following procedures when installing the selec-tor knob and volume knob.1) Match the direction for the hole of the knob and the knob
spring.2) Push the knob onto the knob spring until a click sounds.
■ Removing the selector knob spring and volume
knob spring1. Lightly grasp the left and right sides of the selector knob
spring, then shift the knob spring to the left and right, little by little, as shown in the fi gure. q
Note: Do not grasp the knob spring tightly.2. Remove the selector knob spring w. Note: Do not bring your fi ngers into contact with the fl at
spring of the knob spring as much as possible.3. Repeat steps 1 and 2 for the volume knob spring, to re-
move the volume knob spring e.
Knob spring
Encoder
Note:
Perform the following procedures when installing the selec-tor knob spring and volume knob spring.1) Match the direction for the knob spring and the encoder.2) Insert the encoder onto the knob spring until a click
sounds.
■ Removing the mechanical stopper (without LCD
models only)1. Pick up and lift the tab of a mechanical stopper using a
pair of tweezers. q Note: Take care not to damage the packing.2. Remove the mechanical stopper w.
■ Removing the TX-RX unit from the chassis1. Remove the fl at cable from the connector (CN2). q2. Remove the Speaker lead wire from the connector (CN4).
w
3. Remove the PTT FPC from the connector (CN3). e4. Remove the VOL/SEL FPC from the connector (CN1). r
CN2
CN3
CN4
CN1
PTT FPC
Flat cable
TX-RX unit
5. Remove the packing t from the SP/MIC jack.6. Remove the 14 screws y.7. Anchor the screw hole of the TX-RX unit using the tip of a
pair of tweezers as shown in the fi gure. Then lift the TX-RX unit to remove it from the chassis. u
NX-320
9
■ Removing the speaker holder There is a space of approximately 1mm (0.04 inch) be-
tween the center part of the front glass of the speaker holder and the surface of the Display unit. Set your fi nger on the space in the center part of the front glass, then lift and remove it.
Display unitSpeaker holder
■ Removing the TOP packing1. Pull the TOP packing to the left to remove the packing
that is fi t into the left groove of the chassis. q2. Pull the TOP packing to the right to remove the packing
that is fi t into the right groove of the chassis. w3. Pull the TOP packing to the center to remove the packing
that is fi t into the center groove of the chassis. e4. Remove the TOP packing. r Note:
Remove the packing slowly, as the packing of the selec-tor part might overset when the TOP packing is removed. If the packing is turned over, return it to the normal posi-tion using a soft tipped item (e.g., your fi nger).
2. Precautions for Reassembly
■ Apply the bond to the inside of the selector
circle nut and volume circle nut Apply the bond (W05-0019-00) or “THREE BOND 1401B”
at two points inside of the circle nut before tightening the circle nut.
Circle nut
■ Mounting the chassis onto the case1. Place the key top on the chassis. Then, fit the chassis
tightly into the groove of the key top. q Note:
Confi rm that the entire groove of the key top fi ts to the chassis tightly.
2. Mount the chassis onto the case. w Note:
• After mounting the chassis onto the case, if the 16-key part on the key top gets stuck inside the case as shown in the fi gure, return it to the normal position us-ing a soft tipped item (e.g., your fi nger). e
Prying it with a pointed metal tool such as forceps, may damage the key top or packing.
• Confi rm that the TOP packing is not caught in the An-tenna or Volume holes of the case.
16-key part
Antenna of TOP packing
Volume of TOP packing
DISASSEMBLY FOR REPAIR
NX-320
10
■ Forming the fl at cable Form the right and left end of the fl at cable as shown in
the fi gure. (Bend the terminal surface of the fl at cable on the inside.)
Note: When bending the flat cable, bend it squarely. There is a possibility of disconnecting when the fl at cable is bent too much.
Flat cable
■ Changing the channel selector from 16-channel
operation to free (without LCD models only)1. Remove the channel selector knob q. (Refer to page 8
for how to remove the channel selector knob.)2. Remove the knob spring w. (Refer to page 8 for how to
remove the knob spring.)3. Remove the mechanical stopper e. (Refer to page 8 for
how to remove the mechanical stopper.)4. Reassemble the channel selector knob and knob spring
that were removed in steps 1 and 2, in their original posi-tions.
Note: Refer to page 8 for how to install the channel se-lector knob and knob spring.
■ Changing the channel selector from free opera-
tion to 16-channel (with LCD models only)1. Remove the channel selector knob q. (Refer to page 8
for how to remove the channel selector knob.)2. Remove the knob spring w. (Refer to page 8 for how to
remove the knob spring.)3. Pinch the supplied mechanical stopper e using your fi n-
gers, then install it into the groove of the selector part on the case.
4. Reassemble the channel selector knob and knob spring that were removed in steps 1 and 2, in their original posi-tions.
Note: Refer to page 8 for how to install the channel se-lector knob and knob spring.
■ Connection place of the antenna hot pin and
antenna terminal An antenna hot pin is connected with the antenna termi-
nal at the position shown in the fi gure. Confi rm that the antenna hot pin has fi rmly come in con-
tact with the terminal when the TX-RX unit is tightened with the screw.
Additionally, refer to the following fi gures for the connec-tion place of the antenna terminal and the TX-RX unit.
TX-RX unitAntennaterminal
AntennaterminalAntenna
hot pin
■ Align the SP/MIC lead wire Align the SP/MIC lead wire as shown in the fi gure. It is
possible to fi x temporarily by interweaving the two lead wires between the tabs (tab A and tab B) and boss of the speaker holder.
A
B
DISASSEMBLY FOR REPAIR
NX-320
11
DISASSEMBLY FOR REPAIR
■ Assembly information (Sheet/Cushion)When “Main Parts” is changed (ordered), “Assembled Sheet/Cushion” should also be changed (ordered) together.The Sticker and Sheet etc are non-reusable parts. It requires the new one to get the radio’s performance after repairs.For example, when “Plastic Cabinet Assy (A02-4130-03 (without key)/A02-4131-03 (4-key)/A02-4132-03 (16-key))” is changed,
“Sticker (B42-7417-04)” and “Fibrous Sheet (G10-1827-04)” should be ordered and changed together because Sticker (B42-7417-04) and Fibrous Sheet (G10-1827-04) are non-reusable.
Main Parts Assembled Sheet/ Cushion
Part Name Part Number Part Name Part Number Remark
Plastic Cabinet Assy (without key) A02-4130-03 Sticker B42-7417-04 “NEXEDGE” is printed.Plastic Cabinet Assy (4-key) A02-4131-03
Fibrous Sheet (SP) G10-1827-04Plastic Cabinet Assy (16-key) A02-4132-03
Speaker T07-0787-05Rubber Cushion (SP) G11-4272-14
Sheet (SP) G11-4527-04
Chassis A10-4148-01
Sheet (PTT) G11-4543-04
Rubber Sheet (FET) G11-4315-14Used for stabilizing the radiation performance of the FET.
Sheet (Air) G11-4500-04This sheet is put on the air vent hole.This sheet lets air through, but does not let water through.
MIC Element T91-0673-05 Sheet (ECM) G11-4558-04
NX-320
12
1. Overview
The NX-320 is a UHF portable transceiver designed to operate in the frequency range of 450 to 520MHz (K,K2,K3) or 400 to 470MHz (K4,K5,K6,E,E2,E3). The unit consists of a receiver, transmitter, phase-locked loop (PLL) frequency syn-thesizer, baseband parts, power supply, and control circuits.
2. Frequency Confi guration
The receiver is a double-conversion superheterodyne using the first intermediate frequency (IF) of 49.95MHz and the second IF of 450kHz. Incoming signals from the antenna are mixed with the local signal from the PLL circuit to produce the fi rst IF of 49.95MHz. This is then mixed with the 50.4MHz second local oscillator output to produce the 450kHz second IF. The transmit signal frequency is gener-ated by the PLL VCO, and modulated by the signal from the DSP. It is then amplifi ed and fed to the antenna.
CIRCUIT DESCRIPTION
x3
50.4MHz
ANTSW
RFAMP
MIXIF AMP
PLLVCO
Bas
eban
d C
ircu
it
ANT
400~470MHz (K4,K5,K6,E,E2,E3)450~520MHz (K,K2,K3)
MCF
CF450kHz
49.95MHz16.8MHz
350.05~420.05MHz (K4,K5,K6,E,E2,E3)400.05~470.05MHz (K,K2,K3)
PAAMP
TXAMP
TCXO
AFAMP
MICAMP
1st MIX SP
MIC
TX/RX:
Fig. 1 Frequency confi guration
3. Receiver System
3-1. RF circuitAn incoming RF signal from the antenna terminal is
passed through the antenna switch (D102, D103, D105 and D106) and then the band-pass fi lter (L212, L213 and L214). The band-pass fi lter is adjusted by a variable capacitor. The input voltage to the variable capacitor is regulated by the
voltage output from the D/A converter (IC4). The signal is amplifi ed by an RF amplifi er (Q202), and passed through the band-pass fi lter (L207, L208 and L209). The resulting signal is applied to the fi rst mixer (Q201), where it is mixed with the first local oscillator signal output from the frequency synthesizer to produce the fi rst IF (49.95MHz).
Fig. 2 RF and IF circuit
IC901IC2 (1/2)
IC603
IC302MIX, AGC
IC904
ASIC
IC610
DSP
IC4
VOL
LPF BPFANTSW BPF BPF
CF2
BPF
Q301
D102,D103D105,D106
2nd OSC
X401
L114L115L116
L212L213L214
L209L208L207 1st PLL
OSC (PLL)
RF AMP MCF
16.8MHz
TCXO x3
Q202 XF1
IF AMP
Q303
CF1
BPF
SP
ANTQ201
1st MIX
NX-320
13
3-2. IF circuitThe fi rst IF signal is passed through a four-pole monolithic
crystal fi lter (XF1) to reject adjacent channel signals. The fi l-tered fi rst IF signal is amplifi ed by the fi rst IF amplifi er (Q303) and then applied to the IF system IC (IC302). The IF system IC provides a second mixer, AGC amplifi er, and RSSI (Re-ceived Signal Strength Indicator).
The second mixer mixes the first IF signal with the 50.4MHz of the second local oscillator output and produces the second IF signal of 450kHz.
The second IF signal is passed through the ceramic fi lter (CF1) to reject the adjacent channel signal. The fi ltered sec-ond IF signal is amplifi ed by the AGC amplifi er.
The signal from the AGC amplifier is input to the ASIC (IC610) through the ceramic fi lter (CF2).
3-3. Audio amplifi er circuitAudio processing (high-pass filter, low-pass filter, de-
emphasized and so on) at FM mode and decoding at NXDN mode are processed by the DSP. The audio signal from IC610 and IC603 goes through the amplifier (IC904). The signal then goes through an electronic volume control (IC4), and AF amplifi er (IC901).
While AFSW is High, the power supply of audio power amplifi er (IC901) is activated, and the output to the speaker turns ON.
3-4. Squelch circuitIt amplifi es the demodulated noise signal from IC610 af-
ter fi ltering through the LPF and HPF circuit. The amplifi ed signal is then converted to a DC signal by the detection cir-cuit. The converted signal is fed back to IC610.
Fig. 3 Squelch circuit
DET
IC610
IC1 (1/2)ASQAPC
ASQDET
ASQLPF
IC1 (2/2)
HPF
Q3
AMP
D2
RECT
IC304 (1/2)
AMP
4. Transmitter System
4-1. Audio band circuitThe signal from the microphone is amplifi ed by IC2 (2/2)
and limited by the AGC circuit which is composed of D3, D4, Q4 and Q5. IC2 works as an anti-aliasing LPF fi lter.
4-2. Baseband circuitThe audio signal output from the baseband circuit is con-
verted to digital data with a sampling frequency of 48kHz. This digital data is sent to the DSP (IC603), and voice signals of 300Hz or lower and frequencies of 3kHz or higher are cut
off and the audio range of 300Hz to 3kHz is extracted. The audio signal is then pre-emphasized in FM mode and syn-thesized with the signals, such as QT and DQT, as required, and is then output from IC610. In Digital mode, the audio signal is converted to the 4-Level FSK baseband signal and output from IC610. The DTMF and MSK baseband signals are also generated by the DSP and output by IC610
The LPF (IC6) works as a smoothing fi lter. The level out-put according to the transmit carrier is fi ne-adjusted accord-ing to each modulation method.
Fig. 4 Audio band and Baseband circuit
AMP
AGC
IC2 (2/2)
D3,D4Q4,Q5
LPF VCO to TX stage
PLL IC
IC403
IC6 (1/2)
IC610
IC603DSP
MIC
CIRCUIT DESCRIPTION
NX-320
14
4-3. VOXThe DSP detects the audio level. If the detected level be-
comes higher than the threshold level, the VOX starts.
4-4. Drive and Final amplifi erThe signal from the T/R switch (D413 is on) is amplifi ed
by the pre-drive amplifier (Q102) to 16~17dBm. It makes it possible to spoil input to the drive amplifier by control-ling the power supply of the pre-drive amplifier with the PD switch (Q110). The output of the pre-drive amplifi er is amplifi ed by the drive and fi nal amplifi ers (Q103, Q104) to 5.0W (1.0W when the power is low). Q103 and Q104 are MOS FETs. The output of the fi nal amplifi er is then passed through the harmonic fi lter (LPF) and antenna switch (D102, D103 are on) and applied to the antenna terminal.
4-5. APC circuitThe APC circuit always monitors the current flowing
through the RF power amplifi er (Q104) and keeps a constant current. The voltage drop at R153, R154 and R155 is caused by the current fl owing through the RF power amplifi er and this voltage is applied to the differential amplifier (IC101 1/2). IC101 (2/2) compares the output voltage of IC101 (1/2) with the reference voltage from IC610, and the output of IC101 (2/2) controls the VGG of Q103 and Q104 to make the both current constant. The change of power high/low is car-ried out by the change of the reference voltage. Q106, Q107 and Q108 are turned on and Q105 and Q109 are turned off during transmission and the APC circuit is active.
Fig. 5 Drive and fi nal amplifi er and APC circuit
fromT/R SW (D413)
DriveAMP
Pre-DriveAMP
Q102 Q103
FinalAMP
Q104
ANTSW
LPF
D102,D103
ANT
VGG
IC101(1/2)
IC101(2/2)
R153
R154
R155
+B
Reference voltagefrom IC610
VCC for Pre-Drive AMPfrom PD SW (Q110)
5. PLL Frequency Synthesizer
5-1. TCXO (X401)The TCXO (X401) generates a reference frequency of
16.8MHz for the PLL frequency synthesizer. This reference frequency is applied to pin 9 of the PLL IC (IC403) and is connected to the IF circuit as a 2nd local signal through the Tripler (Q301).
The frequency adjustment is achieved by switching the ratio of dividing frequency. The resolution of the adjusting frequency is approximately 4Hz.
5-2. VCOThere is a RX VCO and a TX VCO.The TX VCO (Q402) generates a transmit carrier and the
RX VCO (Q401) generates a 1st local signal. For the VCO oscillation frequency, the transmit carrier is 450 to 520MHz (K,K2,K3) or 400 to 470MHz (K4,K5,K6,E,E2,E3) and the 1st local receive signal is 400.05 to 470.05MHz (K,K2,K3) or 350.05 to 420.05MHz (K4,K5,K6,E,E2,E3).
The VCO oscillation frequency is determined by one sys-tem of operation switching terminal “T/R” and two systems of voltage control terminals “CV” and “ASSIST”.
The operation switching terminal, “T/R”, is controlled by the control line (/T_R) output from the ASIC (IC610). When the /T_R logic is low, the VCO outputs the transmit carrier and when it is high, it outputs a 1st local receive signal.
The voltage control terminals, “CV” and “ASSIST”, are controlled by the PLL IC (IC403) and ASIC (IC610) and the output frequency changes continuously according to the applied voltage. For the modulation input terminal, “VCO_MOD”, the output frequency changes according to the applied voltage. This is used to modulate the VCO output. “VCO_MOD” works only when “/T_R” is low.
5-3. PLL IC (IC403)The PLL IC compares the differences in phases of the
VCO oscillation frequency and the TCXO reference frequen-cy, returns the difference to the VCO CV terminal and real-izes the “Phase Locked Loop” for the return control. This allows the VCO oscillation frequency to accurately match (lock) the desired frequency.
CIRCUIT DESCRIPTION
NX-320
15
When the frequency is controlled by the PLL, the fre-quency convergence time increases as the frequency differ-ence increases when the set frequency is changed. To sup-plement this, the ASIC is used before control by the PLL IC to bring the VCO oscillation frequency close to the desired frequency. As a result, the VCO CV voltage does not change and is always stable at approximately 2.5V.
The desired frequency is set for the PLL IC by the ASIC (IC610) through the 3-line “SDO1”, “PCK_RF”, “/PCS_RF” serial bus. Whether the PLL IC is locked or not is monitored by the ASIC through the “PLD” signal line. If the VCO is not the desired frequency (unlocked), the “PLD” logic is low.
The modulation signal of the Low-speed data is applied to pin 23 of the PLL IC (IC403).
The modulation signal is digital data of a sampling fre-quency of 96kHz set for the PLL IC by the DSP (IC603) through the “PLLMOD” line.
5-4. Local switch (D412, D413)
The connection destination of the signal output from the buffer amplifier (Q408) is changed with the diode switch (D413) that is controlled by the transmission power supply, 50T, and the diode switch (D412) that is controlled by the receive power supply, 50R. If the 50T logic is high, it is con-nected to a send-side pre-drive (Q102). If the 50T logic is low, it is connected to a receive-side mixer (Q201).
Fig. 6 PLL block diagram
LoopFilter
BUFFAMPVCO
LPF
100C
TCXO
PLL
IC403 Q405
Q401,Q402D402~D411
D415
BUFFAMP
Q408
SDO1PCK_RF/PCS_RFPLLMOD
X40116.8MHz
T/RSW
D412,D413
50CS
to TX stage
50T
50R
to 1
st M
ixer
IC404 (1/2)
IC402
CV
VCO MOD
ASSIST
6. Control Circuit
The control circuit consists of the ASIC (IC610) and its pe-ripheral circuits. IC610 mainly performs the following:1) Switching between transmission and reception by PTT
signal input.2) Reading system, zone, frequency, and program data from
the memory circuit.3) Sending frequency program data to the PLL.4) Controlling squelch on/off by the DC voltage from the
squelch circuit.5) Controlling the audio mute circuit by decode data input.
6-1. ASICThe ASIC (IC610) is a 32-bit RISC processor, equipped
with peripheral function and ADC/DAC.This ASIC operates at 18.432MHz clock and 3.3V/1.5V
DC. It controls the fl ash memory, SRAM, DSP, the receive circuit, the transmitter circuit, the control circuit, and the dis-play circuit and transfers data to or from an external device.
6-2. Memory circuitThe memory circuit consists of the ASIC (IC610), the
SRAM (IC605), and the flash memory (IC601). The flash memory has a capacity of 32M-bit that contains the trans-ceiver control program for the ASIC and stores the data. It also stores the data for transceiver channels and operating parameters that are written by the FPU. This program can be easily written from external devices. The SRAM has a capacity of 1M-bit that contains work area and data area.
■ Flash memoryNote: The fl ash memory stores the data that is written by the FPU (KPG-141D), tuning data (Deviation, Squelch, etc.), and firmware program (User mode, Test mode, Tuning mode, etc.).
■ SRAM (Static memory)Note: The SRAM has a temporary data area and work area.
CIRCUIT DESCRIPTION
NX-320
16
6-3. LCDThe LCD is controlled using the 4 serial lines (SDI0, /
LCDCS, SCK0, SDO0) from the ASIC (IC610).
6-4. Key detection circuitKeys are detected using the LCD controller driver IC (IC8).
If a pressed key is detected by IC8, it is informed to IC610 through the serial line.
6-5. Low battery warningThe battery voltage is divided using R514 and R515 and
is detected by the ASIC (IC610). When the battery voltage falls below the voltage set by the Low battery warning ad-justment, the red LED blinks to notify the operator that it is time to replace the battery. If the battery voltage falls even more (approx. 5.8V), a beep sounds and transmission stops.
Low battery warning Battery condition
The red LED blinks during transmission.
The battery voltage is low but the transceiver is still usable.
The red LED blinks and the warning tone beeps while the PTT switch is pressed.
The battery voltage is low and the transceiver is not usable to make calls.
6-6. DSPThe DSP circuit consists of a DSP (IC603) and processes
the baseband signal. The DSP operates on an external clock of 18.432MHz (the same as the IC610), the I/O section op-erates at 3.3V and the core section operates at 1.5V. The DSP carries out the following processes: • 4 Level FSK processing • Analog FM pre-emphasis/de-emphasis • Vocoder processing between audio codec and modula-
tion/demodulation • CAI processing, such as error correction encoding • QT/DQT encoding/decoding • LTR encoding/decoding • DTMF encoding/decoding • MSK encoding/decoding • 2-tone encoding/decoding • 5-tone encoding/decoding • Compressor/expander processing • Voice scrambler processing • Transmit/receive audio fi ltering processing • Microphone amplifi er AGC processing • Audio mute processing • Modulation level processing
7. Power Supply Circuit
The battery voltage (+B) is provided from the battery terminal on the TX-RX unit (X57). The battery voltage passes through the 2.5A fuse (F1), and goes to the RF fi nal ampli-fi er, AVR ICs (IC504, IC902), DC/DC converter (IC506), and voltage detector IC (IC507). The voltage detector watches the battery voltage. If the battery voltage is 5.6V or higher, the detector outputs High.
When the VOL SW is turned on, SB1 becomes high (bat-tery voltage). DC/DC (IC506) operates if both SB1 and the output of the detector are high. IC506 outputs 3.8V and activates IC502 (33M), IC503 (15M), IC501 (33A) and IC505 (33C). As a result, the ASIC and DSP operate.
The SBC signal becomes High after the ASIC operates, IC504 (50C), IC902 (50V) and Q501 (SB2) are turned on.
When the /SAVE signal becomes High, Q512 (50C) oper-ates. Switches (Q503, Q505) are controlled by the ASIC. Q505 (50T) is turned on in transmit mode. Q503 (50R) is turned on in receive mode.
When the VOL SW is turned off, the /PSW signal be-comes Low. After detecting the /PSW signal, the ASIC changes the SBC signal to Low.
50C is fed to IC509 (100C). IC509, D511 and D512 con-sist of a voltage doubler. C543 is charged to 5V by 50C and switched to C545 by the “DDCLK” control signal. The 100C circuit then outputs approximately +10VDC.
8. Signaling Circuit
8-1. Encode (QT/DQT/LTR/DTMF/2-tone/5-tone/MSK)Each signaling data signal of QT, DQT, LTR, DTMF,
2-tone/5-tone and MSK is generated by the DSP circuit, su-perimposed on a modulation signal and output from IC610. Each deviation of the TX QT, DQT, LTR, DTMF, 2-tone/5-tone and MSK tone is adjusted by changing the output level of IC603 and the resulting signal is routed to the VCO and PLL.
8-2. Decode (QT/DQT/LTR/DTMF/2-tone/5-tone/MSK)The audio signal is removed from the FM detection signal
sent to the DSP circuit and the resulting signal is decoded.
9. Compander Circuit
The term “compander” means compressor and expand-er. The compander reduces noise by utilizing a compressor and an expander. The transceiver contains a DSP (IC603) to perform this operation. The transceiver compander can be turned on or off using the FPU.
CIRCUIT DESCRIPTION
NX-320
17
Fig. 7 Power supply circuit
F1
2.5AF2
1.0A
VOL/SW
+B
TX-RX unit
Q902SW
IC90250V
IC5075.6V Det
IC50638M
IC50133A
IC50233M
IC50315M
IC50533C
IC50450C
Q501SB2
IC509100C
Q50550T
Q50350R
Q51250CS
Ripplefilter
IC8LCD driver
ASICIC610
Final AMP, APC
AFPA
2-pin Jack
DSP, FLASH, SRAMDSPPLL, TCXO
ASSIST
TX circuit
RX circuit
PLL, fin
VCOAF circuit
AF circuit, DAC
SQL circuitLED
/PSW
/BINT
Display unit
CN2
CN5
CIRCUIT DESCRIPTION
NX-320
18
Display unit (X54-3760-XX)
Ref. No. Part Name Description
IC1 IC ASQ BPF
IC2 IC AF LPF/MIC amplifi er
IC4 IC D/A converter
IC6 IC VCO MOD/VREF
IC8 IC LCD driver
Q1 Transistor TX/BUSY LED switch
Q2 FET SQL noise BW switch
Q3 Transistor SQL noise amplifi er
Q4,5 Transistor MIC AGC
Q6 Transistor KEY backlight switch
Q7 Transistor KEY backlight switch control
Q8 Transistor LCD backlight switch
D1 LED TX/BUSY LED
D2 Diode Noise detector
D3,4 Diode AGC detector
D7~14 LED KEY backlight
D15,16 Diode KEY control
D18,19 LED LCD backlight
TX-RX unit (X57-8050-XX)
Ref. No. Part Name Description
IC101 IC OP AMP (APC)
IC201 IC DC amplifi er (BPF)
IC302 IC FM system
IC304 IC DC amplifi er (RSSI/ASQL)
IC402 IC DC amplifi er (Assist)
IC403 IC PLL system
IC404 IC DC amplifi er (CV/APC)
IC501 IC Voltage regulator (33A)
IC502 IC Voltage regulator (33M)
IC503 IC DC/DC converter (15M)
IC504 IC Voltage regulator (50C)
IC505 IC Voltage regulator (33C)
IC506 IC DC/DC converter (38M)
IC507 IC Voltage detector (BATT)
IC509 IC DC/DC converter (100C)
IC601 IC Flash memory
IC603 IC DSP
IC605 IC SRAM
IC607 IC Voltage detector (Reset)
Ref. No. Part Name Description
IC609 IC Buffer (Clock)
IC610 IC ASIC
IC611,612 IC AND gate (2 input)
IC613 IC Motion sensor
IC901 IC AF power amplifi er
IC902 IC Voltage regulator (50V)
IC904 IC OP AMP (Beep/voice/RX AF)
Q102 Transistor Pre-drive amplifi er
Q103 FET Drive amplifi er
Q104 FET RF fi nal amplifi er
Q105~109 Transistor APC switch
Q110 FET PD switch
Q201 FET 1st mixer
Q202 FET RF AMP (RX)
Q301 Transistor Tripler (2nd local)
Q303 Transistor IF amplifi er
Q401 FET RX VCO
Q402 FET TX VCO
Q403 Transistor Ripple fi lter
Q405 Transistor Buffer amplifi er
Q406,407 FET T/R VCO switch
Q408 Transistor Buffer amplifi er
Q501 FET DC switch (SB2)
Q502 FET DC switch control (SB2)
Q503 Transistor DC switch (50R)
Q505 Transistor DC switch (50T)
Q506,507 FET Level converter
Q509 Transistor DC/DC control (100C)
Q510 Transistor DC/DC control (38M)
Q511 Transistor DC switch control (50T)
Q512 FET DC switch (50CS)
Q602 FET DC switch (System)
Q901 Transistor DC switch (AF mute)
Q902 Transistor DC switch (AF PA amplifi er)
Q903 Transistor DC switch (AF mute)
Q904,905 FET AF power mute
Q906 Transistor EXT/MIC switch
Q907 FET Level converter
D101 Zener diode APC protect
D102,103 Diode Antenna switch
D105,106 Diode Antenna switch
COMPONENTS DESCRIPTION
NX-320
19
Ref. No. Part Name Description
D201~204Variable capaci-tance diode
BPF tune
D206,207Variable capaci-tance diode
BPF tune
D401 Diode Bypass
D402Variable capaci-tance diode
Assist tune
D403Variable capaci-tance diode
TX VCO tune
D404Variable capaci-tance diode
RX VCO tune
D405~409Variable capaci-tance diode
Assist tune
D410Variable capaci-tance diode
TX modulation
D411Variable capaci-tance diode
Assist tune
Ref. No. Part Name Description
D412,413 Diode T/R switch
D414 Diode Speed up
D415Variable capaci-tance diode
Assist tune
D501 Diode Reverse protection
D502 Diode Speed up
D505,506 Diode DC/DC converter
D508 Diode DC/DC converter
D509 Diode Reverse current protection
D511,512 Diode DC/DC converter
D901 Diode Reverse current protection
D902 Diode 50V switch control
COMPONENTS DESCRIPTION
NX-320
20
✽ New Parts. indicates safety critical components.Parts without Parts No. are not supplied.Les articles non mentionnes dans le Parts No. ne sont pas fournis.Teile ohne Parts No. werden nicht geliefert.
L : Scandinavia K : USA P : CanadaY : PX (Far East, Hawaii) T : England E : Eu ropeC : China X : Australia M : Oth er Areas
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts Ref. No. Ad dress Parts No. Description Desti-
nationNewparts
PARTS LIST
NX-320
DISPLAY UNIT (X54-3760-XX)
1 2B ✽ A02-4130-03 PLASTIC CABINET ASSY K,K4,E32 2B ✽ A02-4131-03 PLASTIC CABINET ASSY (4KEY) K2,K5,E23 1B ✽ A02-4132-03 PLASTIC CABINET ASSY (16KEY) K3,K6,E4 3A ✽ A10-4148-01 CHASSIS
6 3A B01-0694-13 ESCUTCHEON7 1C B09-0686-03 CAP ACCESSORY8 3B B11-1869-04 ILLUMINATION GUIDE (TX/BUSY)9 1A ✽ B11-1890-04 FILTER (LCD) K2,K3,K59 1A ✽ B11-1890-04 FILTER (LCD) K6,E,E2
10 1A ✽ B11-1891-02 ILLUMINATION GUIDE (LCD) K2,K3,K510 1A ✽ B11-1891-02 ILLUMINATION GUIDE (LCD) K6,E,E211 1A B38-0935-05 LCD K2,K3,K511 1A B38-0935-05 LCD K6,E,E212 1A B42-7417-04 STICKER
13 2D ✽ B62-2292-00 INSTRUCTION MANUAL (K TYPE) K,K2,K313 2D ✽ B62-2292-00 INSTRUCTION MANUAL (K TYPE) K4,K5,K614 2D ✽ B62-2319-00 INSTRUCTION MANUAL (E TYPE) E,E2,E3
16 1B,1D ✽ D32-0454-04 STOPPER (16CH)
18 3A E04-0467-15 RF COAXIAL RECEPTACLE (SMA)19 2A ✽ E23-1363-04 TERMINAL (ANT)20 1A ✽ E29-1232-05 INTER CONNECTOR (LCD) K2,K3,K520 1A ✽ E29-1232-05 INTER CONNECTOR (LCD) K6,E,E221 1A ✽ E37-1532-05 LEAD WIRE WITH CONNECTOR (SP/ECM)
22 2A ✽ E37-1537-05 FLAT CABLE (TXRX-DISPLAY)23 3A ✽ E72-0435-03 TERMINAL BLOCK
25 2A ✽ F10-3149-03 SHIELDING COVER
26 1A ✽ G02-1864-04 EARTH SPRING (DISPLAY PCB)27 1B ✽ G09-0443-04 KNOB SPRING (VOL/SELECTOR)28 1B ✽ G10-1827-04 FIBROUS SHEET (SP)29 1A G11-4272-14 RUBBER CUSHION (SP)30 3A G11-4315-14 SHEET (FET)
31 1A G11-4335-14 SHEET (LCD) K2,K3,K531 1A G11-4335-14 SHEET (LCD) K6,E,E232 3A G11-4368-04 SHEET (TERMINAL BLOCK)33 3A G11-4500-04 SHEET (AIR)34 1A G11-4527-04 SHEET (SP)
35 3A ✽ G11-4543-04 SHEET (PTT)36 1A ✽ G11-4558-04 SHEET (ECM)37 3A ✽ G11-4561-04 SHEET (CHASSIS:TX/BUSY)38 1A ✽ G11-4562-04 SHEET (SP HOLDER)39 2A G13-2220-04 CUSHION (DISPLAY PCB)
40 3A G53-1603-04 PACKING (SMA)41 3A G53-1832-03 PACKING (JACK)42 2B ✽ G53-1862-02 PACKING (TOP)43 2B ✽ G53-1863-01 PACKING K,K4,E344 2B ✽ G53-1864-01 PACKING (4KEY) K2,K5,E2
45 1B ✽ G53-1865-01 PACKING (16KEY) K3,K6,E46 1A,3A ✽ G53-1866-04 PACKING (TERMINAL,ECM)
47 1C ✽ H12-4312-02 PACKING FIXTURE48 3C ✽ H52-2454-02 ITEM CARTON CASE K,K2,K348 3C ✽ H52-2454-02 ITEM CARTON CASE K4,K5,K6
49 1D J19-5483-23 HOLDER ACCESSORY50 1A ✽ J19-5547-01 HOLDER (FG-SP)51 1A ✽ J21-8631-03 MOUNTING HARDWARE (LCD) K2,K3,K551 1A ✽ J21-8631-03 MOUNTING HARDWARE (LCD) K6,E,E252 1D J29-0701-15 BELT CLIP ACCESSORY
53 3A J87-0027-05 FPC (LEAD FREE) (PTT)54 2A ✽ J87-0040-05 FPC (LEAD FREE) (VOL/SELECTOR)
56 1A ✽ K29-9500-03 KNOB (PTT)57 1B ✽ K29-9501-03 BUTTON KNOB (SIDE1/SIDE2/AUX)58 1B ✽ K29-9485-03 KNOB (VOL)59 1B ✽ K29-9486-03 KNOB (SELECTOR)
A 3A N09-2438-05 BINDING HEAD SCREW (ANT)B 3A ✽ N09-6608-05 SPECIAL SCREW (CASE)C 3A ✽ N14-0864-04 CIRCULAR NUT (VOL)D 3A ✽ N14-0865-04 CIRCULAR NUT (SELECTOR)E 3A N30-3006-43 PAN HEAD MACHINE SCREW (ESCUT)
F 1A,2A,3A N83-2005-48 PAN HEAD TAPTITE SCREW (PCB)
VR1 3A ✽ R31-0685-05 VARIABLE RESISTOR (VOL)
S101 3A ✽ S60-0448-05 ROTARY SWITCH (SELECTOR)
65 1A T07-0787-05 SPEAKER
- ✽ X57-8050-12 SERVICE TX-RX UNIT K,K2,K3- ✽ X57-8050-13 SERVICE TX-RX UNIT K4,K5,K6- ✽ X57-8050-13 SERVICE TX-RX UNIT E,E2,E3
D1 B30-2278-05 LED (RED/YELLOW)D7-14 B30-2337-05 LED (YELLOW) K3,K6,ED13,14 B30-2337-05 LED (YELLOW) K2,K5,E2D18,19 B30-2210-05 LED (TLY) K2,K3,K5D18,19 B30-2210-05 LED (TLY) K6,E,E2
C1 CK73HB1H471K CHIP C 470PF KC2 CK73HB1H681K CHIP C 680PF KC3 CC73HCH1H270J CHIP C 27PF JC4 CK73HB1H471K CHIP C 470PF KC5 CK73HB1A104K CHIP C 0.10UF K
C6 CK73HB1H102K CHIP C 1000PF KC7,8 CC73HCH1H470J CHIP C 47PF JC10 CC73HCH1H101J CHIP C 100PF JC11 CK73HB1H681K CHIP C 680PF KC13 CC73HCH1H101J CHIP C 100PF J
C15 CK73HB1E103K CHIP C 0.010UF KC16 CK73HB1H102K CHIP C 1000PF KC19 CK73HB1A104K CHIP C 0.10UF KC20 CK73HB1H102K CHIP C 1000PF KC21 CK73HB1E103K CHIP C 0.010UF K
C22 CK73HB1A224K CHIP C 0.22UF KC23 CC73HCH1H470J CHIP C 47PF JC25 CK73HB1A224K CHIP C 0.22UF KC26 CC73HCH1H470J CHIP C 47PF JC28,29 CC73HCH1H470J CHIP C 47PF J
C30 CK73HB0J105K CHIP C 1.0UF KC31 CC73HCH1H470J CHIP C 47PF J
NX-320
DISPLAY UNIT (X54-3760-XX) -10: K3,K6,E -11: K2,K5,E2 -12: K,K4,E3
NX-320
21
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts Ref. No. Ad dress Parts No. Description Desti-
nationNewparts
DISPLAY UNIT (X54-3760-XX)
C32 CK73HB1H122K CHIP C 1200PF KC33,34 CC73HCH1H470J CHIP C 47PF JC35 CK73HB1A104K CHIP C 0.10UF KC36 CC73HCH1H470J CHIP C 47PF JC37 CK73HB1H472K CHIP C 4700PF K
C38 CC73HCH1H181J CHIP C 180PF JC39 CK73HB1A104K CHIP C 0.10UF KC40 CC73HCH1H470J CHIP C 47PF JC42-44 CC73HCH1H470J CHIP C 47PF JC45 CK73HB1H102K CHIP C 1000PF K
C47 CK73HB1A104K CHIP C 0.10UF KC48 CK73HB0J105K CHIP C 1.0UF KC49 CK73HB1H102K CHIP C 1000PF KC52,53 CK73HB1A104K CHIP C 0.10UF KC54 CK73HB1H331K CHIP C 330PF K
C58 CC73HCH1H680J CHIP C 68PF JC62 CC73HCH1H101J CHIP C 100PF JC63,64 CK73HB0J105K CHIP C 1.0UF KC67 CK73HB1H102K CHIP C 1000PF KC68 CK73HB1E103K CHIP C 0.010UF K
C70 CK73HB0J105K CHIP C 1.0UF KC71 CK73HB1A104K CHIP C 0.10UF KC73 CK73GB0J106K CHIP C 10UF KC74 CK73HB0J105K CHIP C 1.0UF KC78 CK73HB1E103K CHIP C 0.010UF K K2,K3,K5
C78 CK73HB1E103K CHIP C 0.010UF K K6,E,E2C79 CK73HB1A473K CHIP C 0.047UF K K2,K3,K5C79 CK73HB1A473K CHIP C 0.047UF K K6,E,E2C83 CK73HB1H102K CHIP C 1000PF K K2,K3,K5C83 CK73HB1H102K CHIP C 1000PF K K6,E,E2
C84 CK73HB1A473K CHIP C 0.047UF K K2,K3,K5C84 CK73HB1A473K CHIP C 0.047UF K K6,E,E2C85 CK73HB1H681K CHIP C 680PF K K2,K3,K5C85 CK73HB1H681K CHIP C 680PF K K6,E,E2C90 CK73HB1E103K CHIP C 0.010UF K K2,K3,K5
C90 CK73HB1E103K CHIP C 0.010UF K K6,E,E2C91 CK73HB1H471K CHIP C 470PF KC92 CK73HB1H102K CHIP C 1000PF KC93,94 CK73HB1E103K CHIP C 0.010UF K
CN5 ✽ E40-6893-05 FLAT CABLE CONNECTOR (24P)CN6 E40-6883-05 FLAT CABLE CONNECTOR (6P)
L1,2 L92-0408-05 CHIP FERRITEL3 L92-0138-05 CHIP FERRITE K2,K3,K5L3 L92-0138-05 CHIP FERRITE K6,E,E2
CP1 RK74HB1J101J CHIP-COM 100 J 1/16WCP2 RK74HB1J102J CHIP-COM 1.0K J 1/16W K2,K3,K5CP2 RK74HB1J102J CHIP-COM 1.0K J 1/16W K6,E,E2CP3 RK74HB1J471J CHIP-COM 470 J 1/16W K2,K3,K5CP3 RK74HB1J471J CHIP-COM 470 J 1/16W K6,E,E2
CP4,5 RK74HB1J102J CHIP-COM 1.0K J 1/16W K2,K3,K5CP4,5 RK74HB1J102J CHIP-COM 1.0K J 1/16W K6,E,E2CP6 RK74HB1J471J CHIP-COM 470 J 1/16W K3,K6,ECP7-9 RK74HB1J102J CHIP-COM 1.0K J 1/16W K2,K3,K5CP7-9 RK74HB1J102J CHIP-COM 1.0K J 1/16W K6,E,E2
CP10 RK74HB1J101J CHIP-COM 100 J 1/16W K2,K3,K5CP10 RK74HB1J101J CHIP-COM 100 J 1/16W K6,E,E2CP11-13 RK74HB1J102J CHIP-COM 1.0K J 1/16W K2,K3,K5CP11-13 RK74HB1J102J CHIP-COM 1.0K J 1/16W K6,E,E2CP14 RK74HA1J102J CHIP-COM 1.0K J 1/16W K2,K3,K5
CP14 RK74HA1J102J CHIP-COM 1.0K J 1/16W K6,E,E2R1 RK73HB1J472J CHIP R 4.7K J 1/16WR2 RK73HB1J103J CHIP R 10K J 1/16WR3 RK73HB1J391J CHIP R 390 J 1/16WR4 RK73HB1J823J CHIP R 82K J 1/16W
R5 RK73HB1J100J CHIP R 10 J 1/16WR6 RK73HB1J821J CHIP R 820 J 1/16WR7 RK73HB1J472J CHIP R 4.7K J 1/16WR8 RK73HB1J153J CHIP R 15K J 1/16WR9 RK73HB1J333J CHIP R 33K J 1/16W
R10 RK73HB1J000J CHIP R 0.0 J 1/16WR11,12 RK73HB1J334J CHIP R 330K J 1/16WR13 RK73HB1J471J CHIP R 470 J 1/16WR14 RK73HB1J334J CHIP R 330K J 1/16WR15 RK73HB1J332J CHIP R 3.3K J 1/16W
R16 RK73HB1J470J CHIP R 47 J 1/16WR17 RK73HB1J104J CHIP R 100K J 1/16WR18 RK73HB1J393J CHIP R 39K J 1/16WR19,20 RK73HB1J224J CHIP R 220K J 1/16WR21,22 RK73HB1J563J CHIP R 56K J 1/16W
R23 RK73HB1J222J CHIP R 2.2K J 1/16WR24 RK73HB1J000J CHIP R 0.0 J 1/16WR26 RK73HB1J683J CHIP R 68K J 1/16WR28-30 RK73HB1J000J CHIP R 0.0 J 1/16WR33-35 RK73HB1J104J CHIP R 100K J 1/16W
R37 RK73HB1J154J CHIP R 150K J 1/16WR39,40 RK73HB1J103J CHIP R 10K J 1/16WR41,42 RK73HB1J683J CHIP R 68K J 1/16WR44,45 RK73HB1J104J CHIP R 100K J 1/16WR47 RK73HB1J223J CHIP R 22K J 1/16W
R50 RK73HB1J223J CHIP R 22K J 1/16WR52 RK73HB1J471J CHIP R 470 J 1/16WR53 RK73HB1J182J CHIP R 1.8K J 1/16WR61-64 RK73HB1J332J CHIP R 3.3K J 1/16W K3,K6,ER64 RK73HB1J332J CHIP R 3.3K J 1/16W K2,K5,E2
R65 RK73HB1J682J CHIP R 6.8K J 1/16W K2,K3,K5R65 RK73HB1J682J CHIP R 6.8K J 1/16W K6,E,E2R66 RK73HB1J000J CHIP R 0.0 J 1/16W K2,K3,K5R66 RK73HB1J000J CHIP R 0.0 J 1/16W K6,E,E2R67 RK73HB1J471J CHIP R 470 J 1/16W K2,K3,K5
R67 RK73HB1J471J CHIP R 470 J 1/16W K6,E,E2R69 RK73HB1J222J CHIP R 2.2K J 1/16W K2,K3,K5R69 RK73HB1J222J CHIP R 2.2K J 1/16W K6,E,E2R70-72 RK73HB1J103J CHIP R 10K J 1/16W K2,K3,K5R70-72 RK73HB1J103J CHIP R 10K J 1/16W K6,E,E2
R73 RK73GB2A433J CHIP R 43K J 1/10W K2,K3,K5R73 RK73GB2A433J CHIP R 43K J 1/10W K6,E,E2R74 RK73HB1J121J CHIP R 120 J 1/16W K2,K3,K5R74 RK73HB1J121J CHIP R 120 J 1/16W K6,E,E2R75 RK73HB1J222J CHIP R 2.2K J 1/16W K2,K3,K5
R75 RK73HB1J222J CHIP R 2.2K J 1/16W K6,E,E2R76 RK73HB1J681J CHIP R 680 J 1/16W K2,K3,K5R76 RK73HB1J681J CHIP R 680 J 1/16W K6,E,E2R77 RK73HB1J103J CHIP R 10K J 1/16WR78 RK73HB1J682J CHIP R 6.8K J 1/16W
R79 RK73HB1J563J CHIP R 56K J 1/16WR81 RK73HB1J000J CHIP R 0.0 J 1/16WR82 RK73HB1J332J CHIP R 3.3K J 1/16W K,K4,E3R83 RK73HB1J000J CHIP R 0.0 J 1/16W K,K2,K4R83 RK73HB1J000J CHIP R 0.0 J 1/16W K5,E2,E3
NX-320
22
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
R83,84 RK73HB1J000J CHIP R 0.0 J 1/16W K3,K6,ER85 RK73HB1J000J CHIP R 0.0 J 1/16W K2,K5,E2R86 RK73HB1J000J CHIP R 0.0 J 1/16W K,K4,E3R88 RK73HB1J000J CHIP R 0.0 J 1/16W
S1-4 ✽ S70-0516-05 TACT SWITCHS5 ✽ S70-0519-05 TACT SWITCH K2,K5,E2S5-20 ✽ S70-0519-05 TACT SWITCH K3,K6,ES10 ✽ S70-0519-05 TACT SWITCH K2,K5,E2S15 ✽ S70-0519-05 TACT SWITCH K2,K5,E2
S20 ✽ S70-0519-05 TACT SWITCH K2,K5,E2
MIC1 1A ✽ T91-0673-05 MIC ELEMENT
D2 KDR731 DIODED3,4 DA221 DIODED15 HN2S03FE DIODE K2,K3,K5D15 HN2S03FE DIODE K6,E,E2D16 1SS388F DIODE K2,K3,K5
D16 1SS388F DIODE K6,E,E2IC1,2 TC75W51FK(F) MOS-ICIC4 R2A20178NP MICROCONTROLLER ICIC6 TC75W51FK(F) MOS-ICIC8 LC75857W-E MOS-IC K2,K3,K5
IC8 LC75857W-E MOS-IC K6,E,E2Q1 UMG9N TRANSISTORQ2 SSM3K15TE(F) FETQ3 KTC4075E(Y,GR) TRANSISTORQ4 2SC4738(GR)F TRANSISTOR
Q5 2SA1832(GR)F TRANSISTORQ6 2SA1362-F(GR) TRANSISTOR K2,K3,K5Q6 2SA1362-F(GR) TRANSISTOR K6,E,E2Q7,8 2SC5383-T111 TRANSISTOR K2,K3,K5Q7,8 2SC5383-T111 TRANSISTOR K6,E,E2
TH1 ERTJ0EV104H THERMISTOR
C101,102 CK73HB1H471K CHIP C 470PF KC106 CC73HCH1H150J CHIP C 15PF J K4,K5,K6C106 CC73HCH1H150J CHIP C 15PF J E,E2,E3C106 CC73HCH1H220J CHIP C 22PF J K,K2,K3C107 CC73HCH1H120J CHIP C 12PF J K4,K5,K6
C107 CC73HCH1H120J CHIP C 12PF J E,E2,E3C107 CC73HCH1H150J CHIP C 15PF J K,K2,K3C109-111 CK73HB1H471K CHIP C 470PF KC112 CK73HB1A104K CHIP C 0.10UF KC113 CC73HCH1H060B CHIP C 6.0PF B K,K2,K3
C113 CC73HCH1H120J CHIP C 12PF J K4,K5,K6C113 CC73HCH1H120J CHIP C 12PF J E,E2,E3C114 CC73HCH1H100B CHIP C 10PF B K,K2,K3C114 CC73HCH1H220J CHIP C 22PF J K4,K5,K6C114 CC73HCH1H220J CHIP C 22PF J E,E2,E3
C115 CC73HCH1H030B CHIP C 3.0PF B K,K2,K3C116 CK73HB1H471K CHIP C 470PF KC118 CC73HCH1H120J CHIP C 12PF J K4,K5,K6C118 CC73HCH1H120J CHIP C 12PF J E,E2,E3C119 CK73HB1H471K CHIP C 470PF K
C120 CC73HCH1H221J CHIP C 220PF JC121,122 CK73HB1H471K CHIP C 470PF KC124 CC73HCH1H180G CHIP C 18PF G K,K2,K3
C124 CC73HCH1H270G CHIP C 27PF G K4,K5,K6C124 CC73HCH1H270G CHIP C 27PF G E,E2,E3C125 CC73HCH1H151J CHIP C 150PF JC126 CK73GB1E105K CHIP C 1.0UF KC127 CC73HCH1H151J CHIP C 150PF J
C128 CK73GB1C104K CHIP C 0.10UF KC129 CK73HB1E103K CHIP C 0.010UF KC130 CK73HB1H471K CHIP C 470PF KC131 CC73GCH1H390J CHIP C 39PF J K,K2,K3C131 CC73GCH1H470J CHIP C 47PF J K4,K5,K6
C131 CC73GCH1H470J CHIP C 47PF J E,E2,E3C135 CC73GCH1H330J CHIP C 33PF J K,K2,K3C136 CC73GCH1H330J CHIP C 33PF J K4,K5,K6C136 CC73GCH1H330J CHIP C 33PF J E,E2,E3C138 CC73GCH1H060B CHIP C 6.0PF B K,K2,K3
C141 CC73GCH1H100C CHIP C 10PF C K4,K5,K6C141 CC73GCH1H100C CHIP C 10PF C E,E2,E3C144 CC73GCH1H070B CHIP C 7.0PF B K,K2,K3C144 CC73GCH1H080B CHIP C 8.0PF B K4,K5,K6C144 CC73GCH1H080B CHIP C 8.0PF B E,E2,E3
C148 CC73GCH1H050B CHIP C 5.0PF B K4,K5,K6C148 CC73GCH1H050B CHIP C 5.0PF B E,E2,E3C148 CC73GCH1H060B CHIP C 6.0PF B K,K2,K3C149 CC73GCH1H470J CHIP C 47PF J K,K2,K3C149 CC73GCH1H680J CHIP C 68PF J K4,K5,K6
C149 CC73GCH1H680J CHIP C 68PF J E,E2,E3C150 CK73HB1H471K CHIP C 470PF KC151 CC73GCH1H101J CHIP C 100PF JC152 CC73GCH1H030B CHIP C 3.0PF B K4,K5,K6C152 CC73GCH1H030B CHIP C 3.0PF B E,E2,E3
C152 CC73GCH1H2R5B CHIP C 2.5PF B K,K2,K3C153 CC73GCH1H010B CHIP C 1.0PF B K4,K5,K6C153 CC73GCH1H010B CHIP C 1.0PF B E,E2,E3C153 CC73GCH1H020B CHIP C 2.0PF B K,K2,K3C154 CC73GCH1H080B CHIP C 8.0PF B K4,K5,K6
C154 CC73GCH1H080B CHIP C 8.0PF B E,E2,E3C154 CC73GCH1H3R5B CHIP C 3.5PF B K,K2,K3C155 CC73GCH1H030B CHIP C 3.0PF BC156 CC73GCH1H090B CHIP C 9.0PF B K4,K5,K6C156 CC73GCH1H090B CHIP C 9.0PF B E,E2,E3
C156 CC73GCH1H3R5B CHIP C 3.5PF B K,K2,K3C157 CC73GCH1H010B CHIP C 1.0PF B K4,K5,K6C157 CC73GCH1H010B CHIP C 1.0PF B E,E2,E3C157 CC73GCH1H1R5B CHIP C 1.5PF B K,K2,K3C158 CC73GCH1H050B CHIP C 5.0PF B K4,K5,K6
C158 CC73GCH1H050B CHIP C 5.0PF B E,E2,E3C158 CC73GCH1H2R5B CHIP C 2.5PF B K,K2,K3C160 CC73GCH1H030B CHIP C 3.0PF B K4,K5,K6C160 CC73GCH1H030B CHIP C 3.0PF B E,E2,E3C160 CC73GCH1H040B CHIP C 4.0PF B K,K2,K3
C161 CC73HCH1H040B CHIP C 4.0PF B K,K2,K3C161 CC73HCH1H060B CHIP C 6.0PF B K4,K5,K6C161 CC73HCH1H060B CHIP C 6.0PF B E,E2,E3C163 CC73HCH1H020B CHIP C 2.0PF B K,K2,K3C163 CC73HCH1H030B CHIP C 3.0PF B K4,K5,K6
C163 CC73HCH1H030B CHIP C 3.0PF B E,E2,E3C164 CC73GCH1H180J CHIP C 18PF J K,K2,K3C170 CK73HB1H471K CHIP C 470PF KC173 CK73HB1H471K CHIP C 470PF KC174 CK73FB1E225K CHIP C 2.2UF K
TX-RX UNIT (X57-8050-XX) -10: K,K2,K3 -11: K4,K5,K6,E,E2,E3
DISPLAY UNIT (X54-3760-XX)
TX-RX UNIT (X57-8050-XX)
NX-320
23
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts Ref. No. Ad dress Parts No. Description Desti-
nationNewparts
TX-RX UNIT (X57-8050-XX)
C175 CK73HB1A104K CHIP C 0.10UF KC177 CK73HB1H471K CHIP C 470PF KC178 CC73HCH1H470J CHIP C 47PF JC179 CC73HCH1H100B CHIP C 10PF BC180,181 CK73HB1H471K CHIP C 470PF K
C182 CK73HB1A104K CHIP C 0.10UF KC201,202 CK73HB1E103K CHIP C 0.010UF KC203 CK73HB1H471K CHIP C 470PF KC204 CK73FB1E475K CHIP C 4.7UF KC205 CK73HB1H471K CHIP C 470PF K
C207 CK73HB1H471K CHIP C 470PF KC208 CC73HCH1H060B CHIP C 6.0PF BC209 CC73HCH1H120J CHIP C 12PF JC210 CK73HB1E103K CHIP C 0.010UF KC211 CC73HCH1H020B CHIP C 2.0PF B
C212 CC73HCH1H100B CHIP C 10PF B K,K2,K3C212 CC73HCH1H120J CHIP C 12PF J K4,K5,K6C212 CC73HCH1H120J CHIP C 12PF J E,E2,E3C213 CC73HCH1H020B CHIP C 2.0PF BC214 CC73HCH1H070B CHIP C 7.0PF B K,K2,K3
C214 CC73HCH1H080B CHIP C 8.0PF B K4,K5,K6C214 CC73HCH1H080B CHIP C 8.0PF B E,E2,E3C215,216 CK73HB1H471K CHIP C 470PF KC217 CC73HCH1H030B CHIP C 3.0PF B K,K2,K3C217 CC73HCH1H040B CHIP C 4.0PF B K4,K5,K6
C217 CC73HCH1H040B CHIP C 4.0PF B E,E2,E3C218 CK73HB1H471K CHIP C 470PF KC219 CC73HCH1H010B CHIP C 1.0PF B K,K2,K3C219 CC73HCH1H3R5B CHIP C 3.5PF B K4,K5,K6C219 CC73HCH1H3R5B CHIP C 3.5PF B E,E2,E3
C220 CC73HCH1H100B CHIP C 10PF B K,K2,K3C220 CC73HCH1H180G CHIP C 18PF G K4,K5,K6C220 CC73HCH1H180G CHIP C 18PF G E,E2,E3C221 CK73HB1H471K CHIP C 470PF KC223 CK73HB1H471K CHIP C 470PF K
C224 CC73HCH1H020B CHIP C 2.0PF BC225 CC73HCH1H100B CHIP C 10PF B K,K2,K3C225 CC73HCH1H220G CHIP C 22PF G K4,K5,K6C225 CC73HCH1H220G CHIP C 22PF G E,E2,E3C226 CC73HCH1H010B CHIP C 1.0PF B
C227 CK73HB1H471K CHIP C 470PF KC228 CC73HCH1H1R5B CHIP C 1.5PF BC229 CC73HCH1H100B CHIP C 10PF B K,K2,K3C229 CC73HCH1H220G CHIP C 22PF G K4,K5,K6C229 CC73HCH1H220G CHIP C 22PF G E,E2,E3
C230 CC73HCH1H010B CHIP C 1.0PF B K,K2,K3C230 CC73HCH1H020B CHIP C 2.0PF B K4,K5,K6C230 CC73HCH1H020B CHIP C 2.0PF B E,E2,E3C232 CC73HCH1H0R5B CHIP C 0.5PF BC233 CK73HB1E103K CHIP C 0.010UF K
C235 CK73HB1H471K CHIP C 470PF KC236 CK73GB1E105K CHIP C 1.0UF KC237 CK73HB1A104K CHIP C 0.10UF KC240 CK73HB1H471K CHIP C 470PF KC242 CK73HB1A104K CHIP C 0.10UF K
C244 CK73HB1H471K CHIP C 470PF KC246 CK73HB1H471K CHIP C 470PF KC247 CC73HCH1H020B CHIP C 2.0PF BC249 CC73HCH1H100B CHIP C 10PF B K,K2,K3C249 CC73HCH1H180G CHIP C 18PF G K4,K5,K6
C249 CC73HCH1H180G CHIP C 18PF G E,E2,E3C251 CC73HCH1H1R5B CHIP C 1.5PF BC255 CK73HB1H471K CHIP C 470PF KC256 CC73HCH1H030B CHIP C 3.0PF B K,K2,K3C256 CC73HCH1H040B CHIP C 4.0PF B K4,K5,K6
C256 CC73HCH1H040B CHIP C 4.0PF B E,E2,E3C258 CC73HCH1H100B CHIP C 10PF B K,K2,K3C258 CC73HCH1H200G CHIP C 20PF G K4,K5,K6C258 CC73HCH1H200G CHIP C 20PF G E,E2,E3C259 CC73HCH1H060B CHIP C 6.0PF B K,K2,K3
C259 CC73HCH1H070B CHIP C 7.0PF B K4,K5,K6C259 CC73HCH1H070B CHIP C 7.0PF B E,E2,E3C260 CC73HCH1H030B CHIP C 3.0PF B K,K2,K3C260 CC73HCH1H040B CHIP C 4.0PF B K4,K5,K6C260 CC73HCH1H040B CHIP C 4.0PF B E,E2,E3
C261 CC73HCH1H060B CHIP C 6.0PF B K,K2,K3C261 CC73HCH1H070B CHIP C 7.0PF B K4,K5,K6C261 CC73HCH1H070B CHIP C 7.0PF B E,E2,E3C293 CK73HB1H471K CHIP C 470PF KC301,302 CK73HB1E103K CHIP C 0.010UF K
C303 CK73HB1A104K CHIP C 0.10UF KC307 CC73HCH1H100B CHIP C 10PF BC308 CC73HCH1H101J CHIP C 100PF JC310 CC73HCH1H101J CHIP C 100PF JC311 CC73HCH1H151J CHIP C 150PF J
C313 CC73HCH1H330G CHIP C 33PF GC314-316 CK73HB1A104K CHIP C 0.10UF KC317 CK73FB1A106K CHIP C 10UF KC318 CC73HCH1H680J CHIP C 68PF JC319 CK73HB1E103K CHIP C 0.010UF K
C320-323 CK73HB1A104K CHIP C 0.10UF KC324 CK73FB1A106K CHIP C 10UF KC327 CC73HCH1H100B CHIP C 10PF BC330 CK73HB1A104K CHIP C 0.10UF KC332 CK73HB1E103K CHIP C 0.010UF K
C335 CK73HB1A104K CHIP C 0.10UF KC338 CK73HB1E103K CHIP C 0.010UF KC339-341 CK73HB1A104K CHIP C 0.10UF KC343 CK73GB1A474K CHIP C 0.47UF KC346 CC73HCH1H470J CHIP C 47PF J
C350 CK73HB1H471K CHIP C 470PF KC351 CK73HB1E103K CHIP C 0.010UF KC353,354 CK73HB1E103K CHIP C 0.010UF KC356 CC73HCH1H030B CHIP C 3.0PF BC357 CC73HCH1H180J CHIP C 18PF J
C358 CC73HCH1H060B CHIP C 6.0PF BC359 CC73HCH1H470J CHIP C 47PF JC360 CK73HB1E103K CHIP C 0.010UF KC361,362 CC73HCH1H101J CHIP C 100PF JC398 CC73HCH1H100B CHIP C 10PF B
C401 CK73HB1E103K CHIP C 0.010UF KC402 CK73GB1C225K CHIP C 2.2UF KC405 CC73HCH1H101J CHIP C 100PF JC406 CC73HCH1H100B CHIP C 10PF BC408 CK73HB1E103K CHIP C 0.010UF K
C409 CC73HCH1H100B CHIP C 10PF BC410 CC73HCH1H101J CHIP C 100PF JC411 CK73HB1E103K CHIP C 0.010UF KC412 CC73HCH1H100B CHIP C 10PF BC413-415 CK73HB1E103K CHIP C 0.010UF K
NX-320
24
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
TX-RX UNIT (X57-8050-XX)
C416-420 CC73HCH1H101J CHIP C 100PF JC421 CK73HB1A104K CHIP C 0.10UF KC422 CC73HCH1H101J CHIP C 100PF JC423 CK73HB1A104K CHIP C 0.10UF KC424,425 CC73HCH1H101J CHIP C 100PF J
C426 CS77CA1VR15M CHIP TNTL 0.15UF 35WVC427 CS77BA1D100M CHIP TNTL 10UF 20WVC428 C92-0863-05 CHIP TNTL 0.047UF 35WVC429 CK73HB1E103K CHIP C 0.010UF KC430,431 CC73HCH1H101J CHIP C 100PF J
C432 C93-0787-05 CHIP C 0.1UF JC434-438 CC73HCH1H101J CHIP C 100PF JC439 CK73HB1A104K CHIP C 0.10UF KC440 CC73HCH1H331J CHIP C 330PF J K4,K5,K6C440 CC73HCH1H331J CHIP C 330PF J E,E2,E3
C440,441 CC73HCH1H121J CHIP C 120PF J K,K2,K3C441 CK73HB1H471K CHIP C 470PF K K4,K5,K6C441 CK73HB1H471K CHIP C 470PF K E,E2,E3C442 CC73HCH1H470J CHIP C 47PF JC443 CK73HB1A105K CHIP C 1.0UF K
C444 CK73HB1H102K CHIP C 1000PF KC446 CC73HCH1H181J CHIP C 180PF JC447 CC73HCH1H121J CHIP C 120PF J K,K2,K3C447 CC73HCH1H271J CHIP C 270PF J K4,K5,K6C447 CC73HCH1H271J CHIP C 270PF J E,E2,E3
C449 CC73HCH1H0R5B CHIP C 0.5PF BC450 CS77BP1A100M CHIP TNTL 10UF 10WVC451 CC73HCH1H050B CHIP C 5.0PF BC453 CC73HCH1H0R5B CHIP C 0.5PF BC454 CC73HCH1H050B CHIP C 5.0PF B
C455 CC73HCH1H060B CHIP C 6.0PF B K,K2,K3C455 CC73HCH1H080B CHIP C 8.0PF B K4,K5,K6C455 CC73HCH1H080B CHIP C 8.0PF B E,E2,E3C456 CC73HCH1H040B CHIP C 4.0PF B K,K2,K3C456,457 CC73HCH1H040B CHIP C 4.0PF B K4,K5,K6
C456,457 CC73HCH1H040B CHIP C 4.0PF B E,E2,E3C457 CC73HCH1H030B CHIP C 3.0PF B K,K2,K3C458 CC73HCH1H050B CHIP C 5.0PF B K,K2,K3C458 CC73HCH1H060B CHIP C 6.0PF B K4,K5,K6C458 CC73HCH1H060B CHIP C 6.0PF B E,E2,E3
C459 CC73HCH1H030B CHIP C 3.0PF BC460 CK73GB0J475K CHIP C 4.7UF KC461 CK73HB1H471K CHIP C 470PF KC462 CC73HCH1H040B CHIP C 4.0PF B K,K2,K3C462 CC73HCH1H080B CHIP C 8.0PF B K4,K5,K6
C462 CC73HCH1H080B CHIP C 8.0PF B E,E2,E3C463 CC73HCH1H020B CHIP C 2.0PF B K,K2,K3C463 CC73HCH1H050B CHIP C 5.0PF B K4,K5,K6C463 CC73HCH1H050B CHIP C 5.0PF B E,E2,E3C464 CK73HB1H471K CHIP C 470PF K
C466,467 CC73HCH1H0R5B CHIP C 0.5PF BC468 CC73HCH1H050B CHIP C 5.0PF BC469 CK73HB1H471K CHIP C 470PF KC470 CK73HB1H102K CHIP C 1000PF KC471 CC73HCH1H100B CHIP C 10PF B K4,K5,K6
C471 CC73HCH1H100B CHIP C 10PF B E,E2,E3C471 CC73HCH1H180G CHIP C 18PF G K,K2,K3C473 CC73HCH1H050B CHIP C 5.0PF BC474 CK73HB1H471K CHIP C 470PF KC475 CC73HCH1H100B CHIP C 10PF B
C476 CK73HB1H471K CHIP C 470PF K K,K2,K3C476-478 CK73HB1H471K CHIP C 470PF K K4,K5,K6C476-478 CK73HB1H471K CHIP C 470PF K E,E2,E3C477 CC73HCH1H050B CHIP C 5.0PF B K,K2,K3C478 CK73HB1H471K CHIP C 470PF K K,K2,K3
C480 CK73HB1A104K CHIP C 0.10UF KC481 CK73HB1H471K CHIP C 470PF KC482 CC73HCH1H070B CHIP C 7.0PF BC483 CK73HB1H102K CHIP C 1000PF KC484 CK73HB1H471K CHIP C 470PF K
C486 CC73HCH1H101J CHIP C 100PF JC487,488 CK73HB1H471K CHIP C 470PF KC491 CC73HCH1H101J CHIP C 100PF JC492 CC73GCH1H101J CHIP C 100PF JC498 CC73HCH1HR75B CHIP C 0.75PF B K,K2,K3
C498,499 CC73HCH1H010B CHIP C 1.0PF B K4,K5,K6C498,499 CC73HCH1H010B CHIP C 1.0PF B E,E2,E3C501,502 CK73HB1H471K CHIP C 470PF KC503 CK73HB1H102K CHIP C 1000PF KC504 CK73HB1E682K CHIP C 6800PF K
C505 CK73HB1H471K CHIP C 470PF KC506 CC73HCH1H220J CHIP C 22PF JC507 CK73HB1H471K CHIP C 470PF KC508,509 CK73HB1A105K CHIP C 1.0UF KC510 CK73HB1H471K CHIP C 470PF K
C511 CK73GB1E105K CHIP C 1.0UF KC512 CK73HB1H102K CHIP C 1000PF KC513 CK73HB1E682K CHIP C 6800PF KC514 CK73GB0J475K CHIP C 4.7UF KC515 CK73HB1A105K CHIP C 1.0UF K
C516 CK73HB1A104K CHIP C 0.10UF KC517,518 CK73HB1A105K CHIP C 1.0UF KC519 CK73HB1H102K CHIP C 1000PF KC520 CK73HB1A104K CHIP C 0.10UF KC521 CK73GB0J106K CHIP C 10UF K
C522 CK73HB1A224K CHIP C 0.22UF KC523 CK73HB1H471K CHIP C 470PF KC524 CK73HB1A105K CHIP C 1.0UF KC525 CK73HB1H102K CHIP C 1000PF KC526 CS77CP1A100M CHIP TNTL 10UF 10WV
C527 CK73GB0J106K CHIP C 10UF KC528 CK73HB1A105K CHIP C 1.0UF KC529 CK73GB1E105K CHIP C 1.0UF KC530 CK73HB1A105K CHIP C 1.0UF KC532 CC73HCH1H560J CHIP C 56PF J
C533-535 CK73HB1H102K CHIP C 1000PF KC536 CK73HB1E682K CHIP C 6800PF KC537 CK73HB1E103K CHIP C 0.010UF KC538 CK73HB1H471K CHIP C 470PF KC539 CK73HB1H102K CHIP C 1000PF K
C540 CK73FB1E475K CHIP C 4.7UF KC541 CK73HB1H471K CHIP C 470PF KC543 CS77BP1C010M CHIP TNTL 1.0UF 16WVC545 CK73GB1E105K CHIP C 1.0UF KC548 CK73HB1H471K CHIP C 470PF K
C549 CK73HB1A104K CHIP C 0.10UF KC550-552 CK73HB1H471K CHIP C 470PF KC553 CK73FB1C106K CHIP C 10UF KC554,555 CK73HB1H471K CHIP C 470PF KC557 CK73HB1H471K CHIP C 470PF K
NX-320
25
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts Ref. No. Ad dress Parts No. Description Desti-
nationNewparts
TX-RX UNIT (X57-8050-XX)
C558 CK73GB0J106K CHIP C 10UF KC599 CK73HB1H471K CHIP C 470PF KC601 CC73HCH1H101J CHIP C 100PF JC602 CK73HB1A104K CHIP C 0.10UF KC603 CK73HB1E103K CHIP C 0.010UF K
C604 CK73HB1A683K CHIP C 0.068UF KC605 CK73HB1A104K CHIP C 0.10UF KC606-608 CK73HB1E103K CHIP C 0.010UF KC609,610 CK73GB0J106K CHIP C 10UF KC614 CC73HCH1H470J CHIP C 47PF J
C616 CC73HCH1H470J CHIP C 47PF JC618 CC73HCH1H470J CHIP C 47PF JC620 CC73HCH1H470J CHIP C 47PF JC622,623 CC73HCH1H470J CHIP C 47PF JC628 CC73HCH1H470J CHIP C 47PF J
C631 CC73HCH1H470J CHIP C 47PF JC638-644 CC73HCH1H470J CHIP C 47PF JC646,647 CK73HB1A104K CHIP C 0.10UF KC648 CK73HB1E103K CHIP C 0.010UF KC649,650 CK73HB1H102K CHIP C 1000PF K
C652 CK73HB1A105K CHIP C 1.0UF KC653 CK73HB1E103K CHIP C 0.010UF KC655 CK73HB1H102K CHIP C 1000PF KC657-660 CK73HB1A104K CHIP C 0.10UF KC661 CK73HB1A105K CHIP C 1.0UF K
C663 CK73HB1A105K CHIP C 1.0UF KC664-667 CC73HCH1H470J CHIP C 47PF JC668 CK73HB1E103K CHIP C 0.010UF KC669 CK73HB1C473K CHIP C 0.047UF KC670 CK73HB1E103K CHIP C 0.010UF K
C673 CK73HB1A104K CHIP C 0.10UF KC674 CK73HB1E103K CHIP C 0.010UF KC675 CK73HB1A104K CHIP C 0.10UF KC677 CK73GB0J106K CHIP C 10UF KC678,679 CK73HB1E103K CHIP C 0.010UF K
C680 CK73HB1A105K CHIP C 1.0UF KC681 CK73HB1A104K CHIP C 0.10UF KC682 CK73HB1H102K CHIP C 1000PF KC683 CK73HB1A104K CHIP C 0.10UF KC684 CK73HB1E682K CHIP C 6800PF K
C685 CK73GB0J106K CHIP C 10UF KC686 CC73HCH1H030B CHIP C 3.0PF BC687 CK73HB1E103K CHIP C 0.010UF KC688 CK73HB1A105K CHIP C 1.0UF KC689 CK73HB1A104K CHIP C 0.10UF K
C691 CK73HB1E103K CHIP C 0.010UF KC692 CK73HB1A105K CHIP C 1.0UF KC693 CK73HB1A104K CHIP C 0.10UF KC695 CK73HB1E103K CHIP C 0.010UF KC696,697 CK73HB1H102K CHIP C 1000PF K
C698-700 CK73HB1E103K CHIP C 0.010UF KC701 CK73HB1A104K CHIP C 0.10UF KC901,902 CK73HB1H102K CHIP C 1000PF KC903 CK73HB1A105K CHIP C 1.0UF KC904 CC73HCH1H221J CHIP C 220PF J
C905 CK73HB1A105K CHIP C 1.0UF KC906 CK73HB1A104K CHIP C 0.10UF KC907 CK73GB0J106K CHIP C 10UF KC908 CC73HCH1H101J CHIP C 100PF JC909 CK73HB1A473K CHIP C 0.047UF K
C910 CK73GB1E105K CHIP C 1.0UF KC913 CK73GB1E105K CHIP C 1.0UF KC914 CS77BB20J101M CHIP TNTL 100UF 6.3WVC915,916 CC73HCH1H101J CHIP C 100PF JC917 CK73HB1H102K CHIP C 1000PF K
C918 CC73HCH1H101J CHIP C 100PF JC920 CK73HB1H102K CHIP C 1000PF KC921 CC73HCH1H101J CHIP C 100PF JC922 CK73HB1H102K CHIP C 1000PF KC923 CC73HCH1H470J CHIP C 47PF J
C927 CC73HCH1H470J CHIP C 47PF J
CN1 E40-6573-05 FLAT CABLE CONNECTOR (11P)CN2 ✽ E40-6893-05 FLAT CABLE CONNECTOR (24P)CN3 E40-6568-05 FLAT CABLE CONNECTOR (6P)CN4 E41-2359-05 PIN ASSYJ1 E11-0484-05 3.5D PHONE JACK (3.5D/3P)
J2 E11-0715-05 2.5D PHONE JACK
F1 F53-0324-15 FUSE (2.5A)F2 F53-0319-15 FUSE (1A)
CF1 L72-1017-05 CERAMIC FILTERCF2 L72-1040-05 CERAMIC FILTERL102 L40-1275-71 SMALL FIXED INDUCTOR (12NH) K4,K5,K6L102 L40-1275-71 SMALL FIXED INDUCTOR (12NH) E,E2,E3L102 L40-8265-71 SMALL FIXED INDUCTOR (8.2NH) K,K2,K3
L103 L40-2275-71 SMALL FIXED INDUCTOR (22NH)L104 L40-1875-71 SMALL FIXED INDUCTOR (18NH) K,K2,K3L105 L41-2275-43 SMALL FIXED INDUCTOR (22NH)L106 L92-0149-05 CHIP FERRITEL108 L92-0149-05 CHIP FERRITE
L109 L34-4565-05 AIR-CORE COILL114-116 L34-4564-05 AIR-CORE COILL117 L41-2285-43 SMALL FIXED INDUCTOR (220NH)L118 L34-4564-05 AIR-CORE COIL K,K2,K3L118 L34-4565-05 AIR-CORE COIL K4,K5,K6
L118 L34-4565-05 AIR-CORE COIL E,E2,E3L119 L40-6865-92 SMALL FIXED INDUCTOR (6.8NH) K4,K5,K6L119 L40-6865-92 SMALL FIXED INDUCTOR (6.8NH) E,E2,E3L119 L40-8265-92 SMALL FIXED INDUCTOR (8.2NH) K,K2,K3L120 L92-0163-05 BEADS CORE
L201 L92-0138-05 CHIP FERRITEL202 L41-5685-39 SMALL FIXED INDUCTOR (0.56UH)L203 L41-2785-39 SMALL FIXED INDUCTOR (0.27UH)L204,205 L40-1575-71 SMALL FIXED INDUCTOR (15NH) K,K2,K3L204,205 L40-1875-71 SMALL FIXED INDUCTOR (18NH) K4,K5,K6
L204,205 L40-1875-71 SMALL FIXED INDUCTOR (18NH) E,E2,E3L206 L41-1875-53 SMALL FIXED INDUCTOR (18NH) K,K2,K3L206 L41-2275-53 SMALL FIXED INDUCTOR (22NH) K4,K5,K6L206 L41-2275-53 SMALL FIXED INDUCTOR (22NH) E,E2,E3L207-209 L41-8268-14 SMALL FIXED INDUCTOR (8.2NH)
L210 L92-0138-05 CHIP FERRITEL211 L41-2285-14 SMALL FIXED INDUCTOR (220NH)L212,213 L41-8268-14 SMALL FIXED INDUCTOR (8.2NH)L214 L41-3978-45 SMALL FIXED INDUCTOR (39NH) K,K2,K3L214 L41-4778-45 SMALL FIXED INDUCTOR (47NH) K4,K5,K6
L214 L41-4778-45 SMALL FIXED INDUCTOR (47NH) E,E2,E3L302 L40-5681-86 SMALL FIXED INDUCTOR (0.56UH)L305 L40-5675-92 SMALL FIXED INDUCTOR (56NH)L306 L40-1085-57 SMALL FIXED INDUCTOR (100NH)
NX-320
26
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
TX-RX UNIT (X57-8050-XX)
L307 L40-1591-86 SMALL FIXED INDUCTOR (1.5UH)L308 L92-0138-05 CHIP FERRITEL401 L41-4795-39 SMALL FIXED INDUCTOR (4.7UH)L402,403 L92-0163-05 BEADS COREL404 L40-1885-92 SMALL FIXED INDUCTOR (180NH) K,K2,K3
L404-413 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K4,K5,K6L404-413 L40-2285-92 SMALL FIXED INDUCTOR (220NH) E,E2,E3L405,406 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K,K2,K3L407 L40-1885-92 SMALL FIXED INDUCTOR (180NH) K,K2,K3L408 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K,K2,K3
L409 L40-1885-92 SMALL FIXED INDUCTOR (180NH) K,K2,K3L410 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K,K2,K3L411 L40-1885-92 SMALL FIXED INDUCTOR (180NH) K,K2,K3L412 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K,K2,K3L413 L40-1885-92 SMALL FIXED INDUCTOR (180NH) K,K2,K3
L415 L40-1578-67 SMALL FIXED INDUCTOR (15NH) K,K2,K3L415 L40-1878-67 SMALL FIXED INDUCTOR (18NH) K4,K5,K6L415 L40-1878-67 SMALL FIXED INDUCTOR (18NH) E,E2,E3L416 L40-1878-67 SMALL FIXED INDUCTOR (18NH) K,K2,K3L416 L40-2278-67 SMALL FIXED INDUCTOR (22NH) K4,K5,K6
L416 L40-2278-67 SMALL FIXED INDUCTOR (22NH) E,E2,E3L417 L92-0446-05 BEADS COREL418 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K,K2,K3L418,419 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K4,K5,K6L418,419 L40-2285-92 SMALL FIXED INDUCTOR (220NH) E,E2,E3
L419 L40-1885-92 SMALL FIXED INDUCTOR (180NH) K,K2,K3L421 L40-1275-92 SMALL FIXED INDUCTOR (12NH)L422 L40-2775-71 SMALL FIXED INDUCTOR (27NH) K,K2,K3L422 L40-3375-71 SMALL FIXED INDUCTOR (33NH) K4,K5,K6L422 L40-3375-71 SMALL FIXED INDUCTOR (33NH) E,E2,E3
L423 L40-5675-71 SMALL FIXED INDUCTOR (56NH)L424 L40-2275-92 SMALL FIXED INDUCTOR (22NH)L425 L92-0163-05 BEADS COREL426 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K,K2,K3L426,427 L40-2285-92 SMALL FIXED INDUCTOR (220NH) K4,K5,K6
L426,427 L40-2285-92 SMALL FIXED INDUCTOR (220NH) E,E2,E3L427 L40-1885-92 SMALL FIXED INDUCTOR (180NH) K,K2,K3L428,429 L92-0163-05 BEADS COREL502 L92-0163-05 BEADS COREL503 L33-1494-05 SMALL FIXED INDUCTOR (4.7UH)
L504 L92-0149-05 CHIP FERRITEL505 L92-0467-05 CHIP FERRITEL506 L92-0162-05 BEADS COREL508 L92-0467-05 CHIP FERRITEL509 L33-1530-05 SMALL FIXED INDUCTOR (15UH)
L511 ✽ L41-1092-02 SMALL FIXED INDUCTOR (1.0UH)L602-604 L92-0408-05 CHIP FERRITEL607 L92-0444-05 CHIP FERRITEL609 L92-0444-05 CHIP FERRITEL611 L92-0444-05 CHIP FERRITE
L613 L92-0163-05 BEADS COREL614-616 L92-0444-05 CHIP FERRITEL617 L92-0162-05 BEADS COREL901-903 L92-0408-05 CHIP FERRITEL904,905 L92-0163-05 BEADS CORE
X401 ✽ L77-3073-05 TCXO (16.8MHZ)X601 L77-3015-05 TCXO (18.432MHZ)XF1 L71-0655-05 MCF (49.95MHZ)
CP401 RK74HB1J100J CHIP-COM 10 J 1/16W
CP501 RK74HB1J104J CHIP-COM 100K J 1/16WCP601 RK74HB1J104J CHIP-COM 100K J 1/16WCP602 RK74HB1J103J CHIP-COM 10K J 1/16WCP603 RK74HB1J104J CHIP-COM 100K J 1/16WCP605,606 RK74HB1J104J CHIP-COM 100K J 1/16W
CP607 RK74HB1J101J CHIP-COM 100 J 1/16WCP608 RK74HB1J000J CHIP-COM 0.0 J 1/16WCP610 RK74HB1J102J CHIP-COM 1.0K J 1/16WR1 RK73HB1J000J CHIP R 0.0 J 1/16W K,K2,K3R2 RK73HB1J000J CHIP R 0.0 J 1/16W K4,K5,K6
R2 RK73HB1J000J CHIP R 0.0 J 1/16W E,E2,E3R101 RK73HB1J472J CHIP R 4.7K J 1/16WR102 RK73HB1J000J CHIP R 0.0 J 1/16WR110 RK73HB1J103J CHIP R 10K J 1/16WR111 RK73HB1J222J CHIP R 2.2K J 1/16W K4,K5,K6
R111 RK73HB1J222J CHIP R 2.2K J 1/16W E,E2,E3R111 RK73HB1J272J CHIP R 2.7K J 1/16W K,K2,K3R112 RK73HB1J561J CHIP R 560 J 1/16WR113 RK73HB1J220J CHIP R 22 J 1/16WR114 RK73GB2A270J CHIP R 27 J 1/10W
R115 RK73HB1J120J CHIP R 12 J 1/16WR116,117 RK73HB1J471J CHIP R 470 J 1/16WR118 RK73HB1J470J CHIP R 47 J 1/16WR119 RK73HB1J393J CHIP R 39K J 1/16WR120 RK73HB1J223J CHIP R 22K J 1/16W
R121 RK73HB1J331J CHIP R 330 J 1/16WR122 RK73HB1J270J CHIP R 27 J 1/16WR123,124 RK73HH1J333D CHIP R 33K D 1/16WR126 RK73GB2A000J CHIP R 0.0 J 1/10WR128 RK73FB2B000J CHIP R 0.0 J 1/8W
R129,130 RK73HB1J271J CHIP R 270 J 1/16WR131 RK73GB2A823J CHIP R 82K J 1/10WR132 RK73GB2A000J CHIP R 0.0 J 1/10W K4,K5,K6R132 RK73GB2A000J CHIP R 0.0 J 1/10W E,E2,E3R141,142 RK73HB1J474J CHIP R 470K J 1/16W
R143 RK73HB1J102J CHIP R 1.0K J 1/16WR144 RK73HB1J273J CHIP R 27K J 1/16WR146 RK73HB1J000J CHIP R 0.0 J 1/16WR147 RK73HB1J561J CHIP R 560 J 1/16WR148-150 RK73HB1J102J CHIP R 1.0K J 1/16W
R152 RK73HB1J103J CHIP R 10K J 1/16WR153-155 RK73EB2ER39K CHIP R 0.39 K 1/4WR156,157 RK73HH1J154D CHIP R 150K D 1/16WR158 RK73HB1J000J CHIP R 0.0 J 1/16WR159 RK73HH1J474D CHIP R 470K D 1/16W
R160 RK73HB1J000J CHIP R 0.0 J 1/16WR161 RK73HH1J474D CHIP R 470K D 1/16WR162 RK73HB1J103J CHIP R 10K J 1/16WR163 RK73HB1J274J CHIP R 270K J 1/16WR164 RK73HB1J104J CHIP R 100K J 1/16W
R165 RK73HB1J563J CHIP R 56K J 1/16WR166 RK73HB1J000J CHIP R 0.0 J 1/16WR167 RK73HB1J222J CHIP R 2.2K J 1/16WR168 RK73HB1J823J CHIP R 82K J 1/16WR169 RK73HB1J104J CHIP R 100K J 1/16W
R170 RK73HB1J000J CHIP R 0.0 J 1/16W K4,K5,K6R170 RK73HB1J000J CHIP R 0.0 J 1/16W E,E2,E3R201 RK73HB1J470J CHIP R 47 J 1/16WR203 RK73HB1J681J CHIP R 680 J 1/16WR204 RK73HB1J472J CHIP R 4.7K J 1/16W
NX-320
27
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts Ref. No. Ad dress Parts No. Description Desti-
nationNewparts
TX-RX UNIT (X57-8050-XX)
R205 RK73HB1J221J CHIP R 220 J 1/16W K4,K5,K6R205 RK73HB1J221J CHIP R 220 J 1/16W E,E2,E3R205 RK73HB1J271J CHIP R 270 J 1/16W K,K2,K3R207 RK73HB1J104J CHIP R 100K J 1/16WR208 RK73HB1J184J CHIP R 180K J 1/16W K,K2,K3
R208 RK73HH1J154D CHIP R 150K D 1/16W K4,K5,K6R208 RK73HH1J154D CHIP R 150K D 1/16W E,E2,E3R209 RK73HB1J104J CHIP R 100K J 1/16WR210 RK73HB1J224J CHIP R 220K J 1/16WR212 RK73HB1J105J CHIP R 1.0M J 1/16W
R213 RK73HB1J104J CHIP R 100K J 1/16WR216 RK73HB1J563J CHIP R 56K J 1/16WR217 RK73HB1J104J CHIP R 100K J 1/16WR220 RK73HB1J105J CHIP R 1.0M J 1/16WR221 RK73HB1J103J CHIP R 10K J 1/16W
R224 RK73HB1J103J CHIP R 10K J 1/16WR225 RK73HB1J680J CHIP R 68 J 1/16WR226 RK73HH1J151D CHIP R 150 D 1/16WR227 RK73HB1J224J CHIP R 220K J 1/16WR228,229 RK73HB1J104J CHIP R 100K J 1/16W
R231 RK73HB1J104J CHIP R 100K J 1/16WR232 RK73HB1J683J CHIP R 68K J 1/16WR233 RK73GB2A000J CHIP R 0.0 J 1/10WR234 RK73HB1J104J CHIP R 100K J 1/16WR235 RK73HB1J000J CHIP R 0.0 J 1/16W
R236-238 RK73HB1J104J CHIP R 100K J 1/16WR241 RK73HB1J105J CHIP R 1.0M J 1/16WR245 RK73HB1J102J CHIP R 1.0K J 1/16WR301 RK73HB1J561J CHIP R 560 J 1/16WR302 RK73HB1J102J CHIP R 1.0K J 1/16W
R304 RK73HB1J000J CHIP R 0.0 J 1/16WR305 RK73HB1J100J CHIP R 10 J 1/16WR306 RK73HH1J334D CHIP R 330K D 1/16WR308 RK73HB1J000J CHIP R 0.0 J 1/16WR310 RK73HB1J103J CHIP R 10K J 1/16W
R317 RK73HB1J102J CHIP R 1.0K J 1/16WR320 RK73HB1J274J CHIP R 270K J 1/16WR321 RK73HB1J102J CHIP R 1.0K J 1/16WR326 RK73HB1J104J CHIP R 100K J 1/16WR327 RK73HB1J103J CHIP R 10K J 1/16W
R328 RK73HB1J472J CHIP R 4.7K J 1/16WR329 RK73HB1J223J CHIP R 22K J 1/16WR330 RK73HB1J183J CHIP R 18K J 1/16WR331 RK73HB1J103J CHIP R 10K J 1/16WR332 RK73HB1J473J CHIP R 47K J 1/16W
R335 RK73HB1J221J CHIP R 220 J 1/16WR338 RK73HB1J101J CHIP R 100 J 1/16WR340 RK73HB1J564J CHIP R 560K J 1/16WR341 RK73HB1J104J CHIP R 100K J 1/16WR344 RK73HB1J682J CHIP R 6.8K J 1/16W
R345,346 RK73HB1J271J CHIP R 270 J 1/16WR349 RK73HB1J102J CHIP R 1.0K J 1/16WR351 RK73HB1J104J CHIP R 100K J 1/16WR352 RK73HB1J103J CHIP R 10K J 1/16WR354 RK73HB1J000J CHIP R 0.0 J 1/16W
R355,356 RK73HB1J822J CHIP R 8.2K J 1/16WR357 RK73GB2A821J CHIP R 820 J 1/10WR400 RK73HB1J470J CHIP R 47 J 1/16WR404 RK73HB1J470J CHIP R 47 J 1/16WR407 RK73HB1J100J CHIP R 10 J 1/16W
R408,409 RK73HB1J102J CHIP R 1.0K J 1/16WR410 RK73HH1J124D CHIP R 120K D 1/16WR411,412 RK73HB1J100J CHIP R 10 J 1/16WR413 RK73HB1J473J CHIP R 47K J 1/16WR414 RK73HB1J102J CHIP R 1.0K J 1/16W
R415 RK73HB1J100J CHIP R 10 J 1/16WR416,417 RK73HB1J000J CHIP R 0.0 J 1/16WR418 RK73HH1J181D CHIP R 180 D 1/16WR419 RK73HH1J391D CHIP R 390 D 1/16WR420 RK73HH1J473D CHIP R 47K D 1/16W
R421 RK73HB1J103J CHIP R 10K J 1/16WR422 RK73HB1J106J CHIP R 10M J 1/16WR423 RK73HH1J474D CHIP R 470K D 1/16WR426 RK73HB1J473J CHIP R 47K J 1/16WR427 RK73HB1J683J CHIP R 68K J 1/16W
R428,429 RK73HB1J000J CHIP R 0.0 J 1/16WR432 RK73HB1J124J CHIP R 120K J 1/16WR433,434 RK73HB1J000J CHIP R 0.0 J 1/16WR436 RK73HB1J104J CHIP R 100K J 1/16W K,K2,K3R436 RK73HB1J823J CHIP R 82K J 1/16W K4,K5,K6
R436 RK73HB1J823J CHIP R 82K J 1/16W E,E2,E3R437,438 RK73HB1J473J CHIP R 47K J 1/16WR439 RK73HB1J472J CHIP R 4.7K J 1/16WR440 RK73HB1J104J CHIP R 100K J 1/16WR441 RK73HB1J474J CHIP R 470K J 1/16W
R443 RK73HH1J181D CHIP R 180 D 1/16W K,K2,K3R443 RK73HH1J221D CHIP R 220 D 1/16W K4,K5,K6R443 RK73HH1J221D CHIP R 220 D 1/16W E,E2,E3R444 RK73HH1J151D CHIP R 150 D 1/16WR446 RK73HB1J220J CHIP R 22 J 1/16W K,K2,K3
R446,447 RK73HB1J220J CHIP R 22 J 1/16W K4,K5,K6R446,447 RK73HB1J220J CHIP R 22 J 1/16W E,E2,E3R447 RK73HB1J100J CHIP R 10 J 1/16W K,K2,K3R448 RK73HB1J474J CHIP R 470K J 1/16WR449 RK73HB1J102J CHIP R 1.0K J 1/16W
R450 RK73HB1J473J CHIP R 47K J 1/16WR451 RK73HH1J154D CHIP R 150K D 1/16WR452 RK73HB1J101J CHIP R 100 J 1/16WR455 RK73HB1J000J CHIP R 0.0 J 1/16WR456 RK73HB1J103J CHIP R 10K J 1/16W
R457 RK73HB1J472J CHIP R 4.7K J 1/16WR458 RK73HB1J682J CHIP R 6.8K J 1/16WR459 RK73HB1J331J CHIP R 330 J 1/16WR460 RK73HB1J222J CHIP R 2.2K J 1/16WR461 RK73HB1J470J CHIP R 47 J 1/16W
R462 RK73HB1J102J CHIP R 1.0K J 1/16WR463 RK73HB1J224J CHIP R 220K J 1/16WR464 RK73HB1J183J CHIP R 18K J 1/16WR467 RK73HB1J000J CHIP R 0.0 J 1/16WR468 RK73HB1J102J CHIP R 1.0K J 1/16W
R469 RK73HB1J104J CHIP R 100K J 1/16WR470-472 RK73HB1J000J CHIP R 0.0 J 1/16W K4,K5,K6R470-472 RK73HB1J000J CHIP R 0.0 J 1/16W E,E2,E3R470,471 RK73HB1J000J CHIP R 0.0 J 1/16W K,K2,K3R472 RK73HB1J330J CHIP R 33 J 1/16W K,K2,K3
R474 RK73HB1J000J CHIP R 0.0 J 1/16WR475 RK73GB2A000J CHIP R 0.0 J 1/10WR501 RK73HH1J274D CHIP R 270K D 1/16WR502 RK73HB1J272J CHIP R 2.7K J 1/16WR503 RK73HB1J000J CHIP R 0.0 J 1/16W
NX-320
28
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts
TX-RX UNIT (X57-8050-XX)
R504 RK73HB1J222J CHIP R 2.2K J 1/16WR505 RK73HH1J184D CHIP R 180K D 1/16WR506 RK73HB1J101J CHIP R 100 J 1/16WR507 RK73HB1J683J CHIP R 68K J 1/16WR508 RK73HB1J102J CHIP R 1.0K J 1/16W
R509 RK73HB1J222J CHIP R 2.2K J 1/16WR510 RK73HB1J100J CHIP R 10 J 1/16WR511 RK73HB1J471J CHIP R 470 J 1/16WR512 RK73HH1J683D CHIP R 68K D 1/16WR513 RK73HH1J333D CHIP R 33K D 1/16W
R514 RK73HH1J394D CHIP R 390K D 1/16WR515 RK73HH1J154D CHIP R 150K D 1/16WR516 RK73HB1J103J CHIP R 10K J 1/16WR517,518 RK73HB1J474J CHIP R 470K J 1/16WR519 RK73HB1J103J CHIP R 10K J 1/16W
R520 RK73GB2A2R2J CHIP R 2.2 J 1/10WR524 RK73HB1J474J CHIP R 470K J 1/16WR529 RK73HB1J000J CHIP R 0.0 J 1/16WR530-533 RK73HB1J104J CHIP R 100K J 1/16WR539,540 RK73HB1J474J CHIP R 470K J 1/16W
R542,543 RK73HB1J474J CHIP R 470K J 1/16WR544 RK73HB1J103J CHIP R 10K J 1/16WR545 RK73HB1J474J CHIP R 470K J 1/16WR546 RK73HB1J103J CHIP R 10K J 1/16WR547 RK73GB2A000J CHIP R 0.0 J 1/10W
R548 RK73GB2A101J CHIP R 100 J 1/10WR549,550 RK73HB1J474J CHIP R 470K J 1/16WR551 RK73HB1J102J CHIP R 1.0K J 1/16WR552 RK73HB1J101J CHIP R 100 J 1/16WR553 RK73GB2A000J CHIP R 0.0 J 1/10W
R554 RK73GB2A1R0J CHIP R 1.0 J 1/10WR604 RK73HB1J102J CHIP R 1.0K J 1/16WR606 RK73HB1J102J CHIP R 1.0K J 1/16WR609 RK73HB1J101J CHIP R 100 J 1/16WR610,611 RK73HB1J000J CHIP R 0.0 J 1/16W
R612-614 RK73HB1J101J CHIP R 100 J 1/16WR615,616 RK73HB1J472J CHIP R 4.7K J 1/16WR617 RK73HB1J101J CHIP R 100 J 1/16WR618 RK73HB1J474J CHIP R 470K J 1/16WR619,620 RK73HB1J100J CHIP R 10 J 1/16W
R623 RK73HB1J103J CHIP R 10K J 1/16WR624,625 RK73HB1J472J CHIP R 4.7K J 1/16WR628,629 RK73HB1J220J CHIP R 22 J 1/16WR630 RK73HB1J474J CHIP R 470K J 1/16WR631 RK73HB1J102J CHIP R 1.0K J 1/16W
R632 RK73HB1J104J CHIP R 100K J 1/16WR633,634 RK73HB1J102J CHIP R 1.0K J 1/16WR635 RK73HH1J103D CHIP R 10K D 1/16WR636 RK73HB1J104J CHIP R 100K J 1/16WR637 RK73HH1J104D CHIP R 100K D 1/16W
R638 RK73HB1J183J CHIP R 18K J 1/16WR639 RK73HB1J000J CHIP R 0.0 J 1/16WR640-642 RK73HB1J102J CHIP R 1.0K J 1/16WR646,647 RK73HB1J000J CHIP R 0.0 J 1/16WR649 RK73HB1J104J CHIP R 100K J 1/16W
R650 RK73HB1J474J CHIP R 470K J 1/16WR653 RK73HB1J000J CHIP R 0.0 J 1/16WR655 RK73HB1J000J CHIP R 0.0 J 1/16WR656 RK73HB1J563J CHIP R 56K J 1/16WR657,658 RK73HB1J103J CHIP R 10K J 1/16W
R659 RK73HB1J563J CHIP R 56K J 1/16WR660 RK73HB1J823J CHIP R 82K J 1/16WR661 RK73HB1J184J CHIP R 180K J 1/16WR662 RK73HB1J103J CHIP R 10K J 1/16WR663 RK73HB1J223J CHIP R 22K J 1/16W
R664 RK73HB1J153J CHIP R 15K J 1/16WR665 RK73GB2A000J CHIP R 0.0 J 1/10WR666,667 RK73HB1J000J CHIP R 0.0 J 1/16WR668 RK73HB1J103J CHIP R 10K J 1/16WR690 RK73HB1J000J CHIP R 0.0 J 1/16W
R901 RK73HB1J103J CHIP R 10K J 1/16WR902 RK73HB1J563J CHIP R 56K J 1/16WR903 RK73HB1J473J CHIP R 47K J 1/16WR904 RK73HB1J222J CHIP R 2.2K J 1/16WR905 RK73HB1J474J CHIP R 470K J 1/16W
R906 RK73HH1J151D CHIP R 150 D 1/16WR907 RK73HB1J103J CHIP R 10K J 1/16WR908 RK73HH1J334D CHIP R 330K D 1/16WR909 RK73HB1J274J CHIP R 270K J 1/16WR910 RK73HB1J473J CHIP R 47K J 1/16W
R911 RK73HB1J273J CHIP R 27K J 1/16WR912 RK73HB1J681J CHIP R 680 J 1/16WR913 RK73HB1J101J CHIP R 100 J 1/16WR914 RK73HB1J562J CHIP R 5.6K J 1/16WR919 RK73GB2A104J CHIP R 100K J 1/10W
R920 RK73HB1J473J CHIP R 47K J 1/16WR921 RK73HB1J682J CHIP R 6.8K J 1/16W
D101 HZU5CLL ZENER DIODED102,103 HVC131 DIODED105,106 RN142S DIODED201-204 1SV305F VARIABLE CAPACITANCE DIODED206,207 1SV305F VARIABLE CAPACITANCE DIODE
D401 DA221 DIODED402 1SV282-F VARIABLE CAPACITANCE DIODED403,404 1SV323F VARIABLE CAPACITANCE DIODED405-409 1SV282-F VARIABLE CAPACITANCE DIODED410 1SV278F VARIABLE CAPACITANCE DIODE
D411 1SV282-F VARIABLE CAPACITANCE DIODED412,413 HSC277 DIODED414 HSC119 DIODED415 1SV282-F VARIABLE CAPACITANCE DIODED501 1SR154-400 DIODE
D502 1SS388F DIODED505 1SS388F DIODED506 HRB0502A DIODED508 DAN222 DIODED509 1SS388F DIODE
D511,512 1SS416 DIODED901 1SS416 DIODED902 DAN222 DIODEIC101 TA75W01FUF MOS-ICIC201 TC75W51FK(F) MOS-IC
IC302 TK10931VTL-G ANALOGUE ICIC304 TC75W51FK(F) MOS-ICIC402 XC221A1200MRG MOS-ICIC403 SKY72310-362 MOS-ICIC404 TC75W51FK(F) MOS-IC
IC501,502 NJM2878F4-33 BI-POLAR ICIC503 XC9235A15CM-G MOS-IC
NX-320
29
PARTS LIST
Ref. No. Ad dress Parts No. Description Desti-nation
Newparts Ref. No. Ad dress Parts No. Description Desti-
nationNewparts
TX-RX UNIT (X57-8050-XX)
IC504 XC6209B502P-G MOS-ICIC505 XC6209B332M-G MOS-ICIC506 LT1616ES6-PBF ANALOGUE ICIC507 XC61CC5602N-G MOS-ICIC509 TC7W53FK(F) MOS-IC
IC601 Note 1 ROM ICIC603 Note 1 MICROPROCESSOR ICIC605 Note 1 SRAM ICIC607 XC6119C29ANR MOS-ICIC609 SM5023CNDH-G MOS-IC
IC610 Note 1 MOS-ICIC611,612 TC7SH08FU-F MOS-ICIC613 ✽ KXSD9-2050 MOS-ICIC901 TA7368FG MOS-ICIC902 XC6209B502P-G MOS-IC
IC904 TC75S51FE(F) MOS-ICQ102 ✽ 2SC5754 TRANSISTORQ103 RD01MUS1-T113 FETQ104 RD07MUS2BT112 FETQ105 2SC5383-T111 TRANSISTOR
Q106 RT1N441U-T111 TRANSISTORQ107 SSM3K15TE(F) FETQ108 SSM3J05FU-F FETQ109 SSM3K15TE(F) FETQ110 SSM6L05FU-F FET
Q201,202 3SK318 FETQ301 2SC5108(Y)F TRANSISTORQ303 2SC4215-F(Y) TRANSISTORQ401,402 MCH3914(8)-H FETQ403 2SC5383-T111 TRANSISTOR
Q405 2SC5108(Y)F TRANSISTORQ406 SSM6L05FU-F FETQ407 SSM3J05FU-F FETQ408 2SC5636 TRANSISTORQ501 2SJ648-A FET
Q502 SSM3K15TE(F) FETQ503 EMD5 TRANSISTORQ505 2SA1955A-F TRANSISTORQ506,507 SSM6N16FE-F FETQ509 EMD12 TRANSISTOR
Q510 RT1N141U-T111 TRANSISTORQ511 RT1N441U-T111 TRANSISTORQ512 SSM6L05FU-F FETQ602 SSM3K15TE(F) FETQ901 RT1N141U-T111 TRANSISTOR
Q902 2SA1362-F(GR) TRANSISTORQ903 RT1N441U-T111 TRANSISTORQ904,905 2SK3577-A FETQ906 RT1N141U-T111 TRANSISTORQ907 UPA672T-A FET
TH101 ERTJ0EV104H THERMISTORTH402 ERTJ0EV104H THERMISTOR
Note 1: This part cannot be replaced. Therefore, this part is not supplied as a service part.
NX-320
30
EXPLODED VIEW
Parts with the exploded numbers larger than 700 are not supplied.
3
2
1
BA
5657
12
3 (K3,K6,E)
28
45
59
5827
16 (K,K4,E3)27
34
65
29
21
3646
50
38
MIC1X54
X54(C/3)
X54 (B/3)
B
A
A
CD
B
701
702703 704
705
706
E
E
F
Display unit(A54-376 A/3)
TX-RX unit(X57-805)
51
31
11
20
9
10
F
Fx2
Fx4
2626
39
25
2219
54
35
53
S101 37
30
4
2 1
44 43
42
818
40
41
46x2
2332
33
6
K2,K3,K5,K6,E,E2
700
K2,K5,E2 K,K4,E3
Fx10
A : N09-2438-05B : N09-6608-05C : N14-0864-04D : N14-0865-04E : N30-3006-43F : N83-2005-48
VR1
NX-320
31
PACKING
Parts with the exploded numbers larger than 700 are not supplied.
3
2
1
DC
52 Belt clip (J29-0701-15)
16 Stopper (16CH) (D32-0454-04): K2,K3,K5,K6,E,E2
49 Holder (J19-5483-23)
7 Cap (B09-0686-03)
47 Packing fixture (H12-4312-02)
48 Item carton case (H52-2454-02): K,K2,K3,K4,K5,K6
13 Instruction manual (B62-2292-00): K,K2,K3,K4,K5,K614 Instruction manual (B62-2319-00): E,E2,E3
708 Pamphlet
NX-320
32
Fault Diagnosis of the BGA (Ball Grid Array) IC
■ Overview A fl owchart for determining whether or not the transceiver can be powered on (the LCD does not function even if the power
switch is turned on) due to broken BGA parts.
■ BGA partsASIC (IC610), DSP (IC603), FLASH (IC601), SRAM (IC605)
When the BGA IC is problematic, please bring the printed circuit board (X57-8050-12 for K,K2,K3 types, X57-8050-13 for K4,K5,K6,E,E2,E3 types) in for service. Various ESN/default adjustment values are written on the printed circuit board for ser-vice.
Additionally various ESN stickers are included. (Please refer to pages 33 and 34.) After the printed circuit board has been readjusted, please attach any ESN stickers to the chassis. When “ESN Validation” is
used with Trunking, you must modify the ESN register.
TROUBLE SHOOTING
● Checking power supply voltage
Checking voltage
Points to be checked Normal voltage33M IC502 (3 pin) 3.3V15M IC503 (4 pin) 1.5V33A IC501 (3 pin) 3.3V
Power supply of each device is connected through the coil.[ASIC]33M: L616, 15M: L615, 33A: L614[DSP]33M: L611, 15M: R665[FLASH]33M: L607[SRAM]33M: L609
● Checking the clock
Checking the clock
Points to be checked Normal voltage (3.3V)18.432MHz ASIC side R628 18.432MHz DSP side R629 18.432MHz
When a normalvalue is confirmed.
When a normalvalue is confirmed.● Checking the Reset/Control signal
Checking the control signal input to the ASIC
Points to be checked Normal voltageRESET IC607 (4 pin) 3.3V/BINT Q507 (6 pin) 3.3V/PSW Q506 (3 pin) 3.3V
Checking the control signal output from the ASIC
Points to be checked Normal voltage/FRST C655 3.3V
If the /FRST is always 0V, the ASIC is broken.
If the /FRST repeats 3.3V and 0V at intervals,The ASIC, FLASH and SRAM may be broken.
The BGA parts are not broken.
Checking for an abnormal point
33M has an abnormal voltage.[ASIC]Remove L616 to check the voltage of the 33M.If the voltage becomes normal, the ASIC is broken.[DSP]Remove L611 to check the voltage of the 33M.If the voltage becomes normal, the DSP is broken.[FLASH]Remove L607 to check the voltage of the 33M.If the voltage becomes normal, the FLASH is broken.[SRAM]Remove L609 to check the voltage of the 33M.If the voltage becomes normal, the SRAM is broken.
15M has an abnormal voltage.[ASIC]Remove L615 to check the voltage of the 15M.If the voltage becomes normal, the ASIC is broken.[DSP]Remove R665 to check the voltage of the 15M.If the voltage becomes normal, the DSP is broken.
33A has an abnormal voltage.[ASIC]Remove L614 to check the voltage of the 33A.If the voltage becomes normal, the ASIC is broken.
If the voltage is not corrected, there is a problem other than the BGA parts.
When an abnormalvalue is confirmed.
When an abnormalvalue is confirmed.
When an abnormalvalue is confirmed.
When an abnormalvalue is confirmed.
When a normalvalue is confirmed.
When a normalvalue is confirmed.
● Checking the output signal from the ASIC
Points to be checked Normal voltageSBC R544 3.3V
When an abnormalvalue is confirmed.
When a normalvalue is confirmed.
Points to be checked Normal voltage/DRST R604 3.3V If the /DRST is 0V, the ASIC/FLASH/SRAM are broken.
Remove R544, Q502 and R518. If the ASIC side is 0V, the ASIC/FLASH/SRAM may be broken.
When a normalvalue is confirmed.
When an abnormalvalue is confirmed.
NX-320
33
TROUBLE SHOOTING
● The LCD displays control *1
The LCD does not function even if it is exchanged with the Display unit. *1It is unlikely that the BGA parts are broken.
Points to be checked Normal voltage/LCDCS R667 3.3V→0V→3.3V
If the /LCDCS is 0V or 3.3V, the ASIC/FLASH/SRAM may be broken.
When a normalvalue is confirmed.
When an abnormalvalue is confirmed.
● When an error display appears on the LCD *1
The LCD displays “ERR 1”. An error occurs when the ASIC internal RAM readsor writes. The ASIC may be broken.
The LCD displays “ERR 2”. An error occurs when the DSP internal RAM readsor writes. The DSP may be broken.
The LCD displays “ERR 3”. An error occurs when the SRAM internal RAM reads or writes. The SRAM may be broken.
● When the LED color changes red and orange alternately *2
*1: K2,K3,K5,K6,E and E2 models only*2: K,K4 and E3 models only
A warning tone sounds The frequency data was not written.(Unprogramming)
A warning tone does not sound An error occurs when the ASIC internal RAM readsor writes. The ASIC may be broken.
An error occurs when the DSP internal RAM reads or writes. The DSP may be broken.
An error occurs when the SRAM internal RAM reads or writes. The SRAM may be broken.
or
or
■ Descriptions of signal names1) RST(RESET) : ASIC reset signal LOW → Reset2) /BINT : Battery fi nal voltage monitoring LOW → Final voltage3) PSW : Power switch signal HIGH → ON4) /FRST : FLASH reset signal LOW → Reset5) SBC : Switch B control HIGH → ON6) /DRST : DSP reset signal LOW → Reset
Replacing TX-RX Unit
■ TX-RX unit Information
Model NameOriginal TX-RX
unit Number
For Service TX-RX
unit Number
NX-320 (K,K2,K3) X57-8050-10 X57-8050-12
NX-320 (K4,K5,K6,E,E2,E3) X57-8050-11 X57-8050-13
■ Method of confi rming “Original TX-RX unit” and
“Service TX-RX unit”
The 0Ω resistor (R4) is mounted on the “R4” silk print part of the Service TX-RX unit (X57-8050-12/X57-8050-13).
R1
R2
R4
X57-805Component side
NX-320
34
X57-805 R1 R2 R4
0-10 0Ω (None) (None)
0-11 (None) 0Ω (None)
0-12 0Ω (None) 0Ω
0-13 (None) 0Ω 0Ω
Note:• The 0Ω resistor (R1, R2 and R4) is used to differentiate
the destination with a visual check. These are not con-nected with any PCB pattern; they are specifi cally for pro-duction control. There is no need to change the mount of three resistors.
• There is no difference between the schematic diagram of the Service TX-RX unit (X57-8050-12/X57-8050-13) and the schematic diagram of the original TX-RX unit (X57-8050-10/X57-8050-11). (R1, R2 and R4 are connected with GND (ground) only.)
■ Supplied Accessories of “Service TX-RX unit”
Item (Including Parts Number) Quantity
TX-RX Unit (X57-805) 1
Kenwood ESN Label 1
NXDN ESN Label 1
MPT ESN Label 1
Addendum (B59-2655-XX) 1
■ “Service TX-RX unit” DataThe following data is written on the service TX-RX unit:
Data Type Description
Firmware NX-320 K ype Firmware.
FPU Data (PC programming mode)
X57-805 (NX-320) Kx type data.
Various Adjustment Data (PC Test mode)
General adjustment values for the X57-805 (NX-320).
Kenwood ESN
Model name: NX-320SType: KxThe same number as the Kenwood ESN label is written.
NXDN ESN/MPT ESNThe same number as the NXDN ESN/MPT ESN label is written.
■ After Changing the PCB1. After changing the printed circuit board, write the up-
to-date Firmware following the instructions in the “RE-ALIGNMENT - 6.Firmware Programming Mode”.
• Write the Firmware in accordance to the Market. If you write different Market Firmware, there are times com-munication with the FPU is not possible.
2. Using the KPG-141D, select your desired item (Model Name and Frequency) from the Model> Product Informa-tion menu, then use Program> Write Data to the Trans-ceiver to write the FPU data (PC Programming mode). When writing to the transceiver, a Warning Message, corresponding to the item selected, appears. Click [OK] to continue writing the data.
TROUBLE SHOOTING
3. Enter Program> Test Mode, then adjust the various ad-justment data (PC Test Mode) as described in the “AD-JUSTMENT”.
4. Attach the new labels corresponding to the new printed circuit board. (Refer to the images below for label place-ment.)
5. If necessary, write the FPU data used by the customer with the KPG-141D.
Note:• When using the ESN Validation function of Trunking, the
ESN number changes when the circuit board is changed (the number is written on the circuit board); the Trunking System cannot be accessed. Maintain the ESN data of the Trunking System following the new ESN.
• When a new printed circuit board is used, the Kenwood ESN changes, as does the Transceiver Information display of the KPG-141D, but this does not have any effect on the operation of the transceiver.
• If changing to the original ESN, please contact our service center.
■ ESN Label Layout
Kenwood ESN Label
NXDN ESN Label (Bar code)
(Not used)
NXDN ESN Label (Bar code)
Kenwood ESN Label
NXDN ESN Label (Number)
MPT ESN Label (Number)
Cut line
NXDN ESN Label (12 digits)
MPT ESN Label (10 digits)
Note: A UPC code and UPC barcode is not printed on the Ken-
wood ESN Label. If necessary, cut the label at the cut-off line and attach only the serial number.
NX-320
35
Controls
SP/MICjack
SelectorPower switch/Volume
PTT switch
Side1 keySide2 key
AUX key
■ Preparations for checking/tuning the transceiverBefore attempting to check/tune the transceiver, connect
the unit to a suitable power supply.Whenever the transmitter is turned on, the unit must be
connected to a suitable dummy load (i.e. power meter).The speaker output connector must be terminated with a
8Ω dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during checking/tuning.
Panel Test Mode
(K2,K3,K5 and K6 models only)
■ Test mode operation featuresThis transceiver has a test mode. To enter test mode,
press and hold the [ ] key while turning the transceiver
power ON. Before the transceiver enters test mode, the
frequency version information appears on the LCD mo-
mentarily. Test mode can be inhibited by programming. To exit test mode, turn the transceiver power OFF. The follow-ing functions are available in test mode.
■ Key operation
Key“ ” not appears on the LCD display
Function Display
[Selector] Test channel up/down Channel No.
[Side1]Push: Squelch level upHold: Squelch off
Squelch levelSquelch off: icon appears
[Side2] Wide/Narrow/Very narrowWide: “W”Narrow: “N”Very narrow: “V”
[ ] Shift to panel tuning mode -
[ ] Function on“ ” appears on the LCD display
[ ] MSK 1200bps and 2400bps 2400bps: icon appears
[ ]Push: Test signaling upHold: Test signaling up
continuouslySignaling No.
[AUX] Analog/NXDN Analog: “A”, NXDN: “N”
[PTT] Transmit -
Key“ ” not appears on the LCD display
Function Display
[0] to [9]and
[#], [ ]
Use as the DTMF keypad.If a key is pressed during transmission, the DTMF corresponding to the key that was presses is sent.
-
Key“ ” appears on the LCD display
Function Display
[Selector] Test channel up/down Channel No.
[Side1] Function off -
[Side2] LCD all lights LCD all point appears
[ ] High power/Low powerHigh: icon not appearsLow : icon appears
[ ] Function off -
[ ] Compander on/off On: icon appears
[ ] Beat shift on/off On: icon appears
[AUX] Function off -
[PTT] Transmit -
[0] to [9]and
[#], [ ]Function off -
• LED indicatorRed LED Lights during transmission.Green LED Lights when there is carrier.
• LCD display in panel test mode
(Power ON)
Battery type detect“LI”: Li-ion battery“MH”: Ni-MH battery“AL”: Alkaline battery case
Market code
Squelch level
Channel No.
Signaling No.
AW : Analog wide modeAN : Analog narrow modeNN : NXDN narrow modeNV : NXDN very narrow mode
Frequency range“U-1”: 450~520MHz“U-2”: 400~470MHz
(After 2sec.)
ADJUSTMENT (K TYPE)
NX-320
36
■ Frequency and SignalingThe transceiver has been adjusted for the frequencies
shown in the following table. When required, readjust them following the adjustment procedure to obtain the frequen-cies you want in actual operation.
• Test frequency
CHK2,K3 K5,K6
RX (MHz) TX (MHz) RX (MHz) TX (MHz)
1 485.05000 485.10000 435.05000 435.10000
2 450.05000 450.10000 400.05000 400.10000
3 519.95000 519.90000 469.95000 469.90000
4 485.00000 485.00000 435.00000 435.00000
5 485.20000 485.20000 435.20000 435.20000
6 485.40000 485.40000 435.40000 435.40000
7~16 - - - -
• Analog mode signaling
No. RX TX
1 None None
2 None 100Hz Square Wave
3
LTR Data:AREA=0, GOTO=12HOME=12ID=47, FREE=25
LTR Data:AREA=0, GOTO=12HOME=12ID=47, FREE=25
4 QT: 67.0Hz QT: 67.0Hz
5 QT: 151.4Hz QT: 151.4Hz
6 QT: 210.7Hz QT: 210.7Hz
7 QT: 254.1Hz QT: 254.1Hz
8 DQT: D023N DQT: D023N
9 DQT: D754I DQT: D754I
10 DTMF: 159D DTMF: 159D
11 None DTMF Code 9
122-tone:A: 304.7Hz, B: 3106.0Hz
2-tone:A: 304.7Hz, B: 3106.0Hz
13 Single Tone: 979.9Hz Single Tone: 979.9Hz
14 None Single Tone: 1000Hz
15 None MSK
16 MSK MSK
• NXDN mode signaling
No. RX TX
1 RAN1 RAN1
2 None PN9
3 RAN1 Maximum deviation pattern
7 None FSW+PN9 (PC test mode only)
RAN: Radio Access NumberPN9: Pseudo-Random Pattern (for production only)
Panel Tuning Mode
(K2,K3,K5 and K6 models only)■ Transceiver tuning (To enter tuning mode)
To enter tuning mode, press the [ ] key while the trans-ceiver is in test mode. Use the [ ] key to write tuning data through tuning modes, and the [Selector] to adjust tuning requirements (1 to 4096 appears on the LCD).
Use the [ ] key to select the adjustment item through tuning modes. Use the [ ] key to adjust 5 reference level adjustments, and use the [Side2] key to switch between Wide/Narrow/Very narrow.
• LCD display in panel tuning mode
B A L 1 2 9
Adjustment item Adjustment value
Narrow/Wide/Very narrow
NarrowVery narrow
5 reference level
Wide
: Low: Low’: Center: High’: High
■ Key operation
KeyFunction
Push Hold (1 second)
[Selector] Adjustment value up/down
[Side1]20Hz/2kHz (During transmis-sion in balance adjustment)
-
[Side2] Wide/Narrow/Very narrow -
[ ] Shift to panel test mode -
[ ]To enter 5 reference level adjustments
-
[ ] Writes the adjustment value -
[ ] Go to next adjustment itemBack to last adjust-ment item
[AUX] -
[PTT] Transmit
[0] to [9]and
[#], [ ]-
■ 5 reference level adjustments frequency
Tuning
point
K2,K3 K5,K6
RX (MHz) TX (MHz) RX (MHz) TX (MHz)
Low 450.05000 450.10000 400.05000 400.10000
Low’ 467.55000 467.60000 417.55000 417.60000
Center 485.05000 485.10000 435.05000 435.10000
High’ 502.55000 502.60000 452.55000 452.60000
High 519.95000 519.90000 469.95000 469.90000
ADJUSTMENT (K TYPE)
NX-320
37
■ Adjustment item supplement
Adjustment Item Description
Counterclockwise Volume“Counterclockwise Volume” is adjusted at the minimum volume position.“Clockwise Volume” is adjusted at the maximum volume position.These adjustments can correct the volume variation.Both “Counterclockwise Volume” and “Clockwise Volume” must be adjusted. (The curve data of volume is applied.)
Clockwise Volume
Receive AssistThe lock voltage of VCO (Receive) is adjusted.This item must be adjusted before all adjustment items for receiver section are adjusted.This item can be adjusted only in PC Test Mode.
Transmit AssistThe lock voltage of VCO (Transmit) is adjusted.This item must be adjusted before all adjustment items for transmitter section are adjusted.This item can be adjusted only in PC Test Mode.
FrequencyFrequency stability is adjusted under receiving condition with SSG.The SSG needs 0.001ppm accuracy so please use a standard oscillator if necessary.This item can be adjusted only in PC Test Mode so that the adjustment value is not changed easily.
High Transmit Power High Transmit Power is adjusted.
Low Transmit Power Low Transmit Power is adjusted.
Balance The transmit audio frequency response is adjusted.This item is adjusted so that the deviation of 2kHz becomes the same deviation of 20Hz.This item must be adjusted before all adjustment items for deviations are adjusted.
Maximum Deviation (NXDN Narrow/Very Narrow)
Maximum Deviation of NXDN (Narrow/Very Narrow) is adjusted.
Maximum Deviation(Analog Wide/Narrow)
Maximum Deviation of Analog (Wide/Narrow) is adjusted.This item must be adjusted before all adjustment items for tone deviations are adjusted.Note: “Maximum Deviation (Analog Narrow)” must be adjusted before “CW ID Deviation (NXDN Very Narrow)” is adjusted.
QT Deviation QT tone deviation is adjusted.
DQT Deviation DQT tone deviation is adjusted.
LTR Deviation LTR tone deviation is adjusted.
DTMF Deviation DTMF tone deviation is adjusted.
Single Tone Deviation The deviation of Single Tone used in “2-tone” is adjusted.
MSK Deviation MSK tone deviation is adjusted.
CW ID Deviation CW ID tone deviation is adjusted.CW ID is used to inform the others who is transmitting on a 6.25 kHz spacing channel.(In FCC rule, Analog mode or CW ID is required for each channel-spacing.)
Sensitivity 1Band-Pass Filter is adjusted.The performance of Receive Sensitivity is improved.This item can be adjusted only in PC Test Mode.
Sensitivity 2The gain of RF amplifi er is adjusted.The performance of the interfering wave is improved.This item can be adjusted only in PC Test Mode.
RSSI Reference The minimum RSSI level for scan stop is adjusted.
Open Squelch The squelch level at level “5” is adjusted.
Low RSSI RSSI display level “ ” is adjusted.Both “Low RSSI” and “High RSSI” must be adjusted.(The curve data of RSSI level is applied.)High RSSI
Tight Squelch The squelch level at level “9” is adjusted.
Battery Warning LevelBattery Warning Level (LED blinking level) is adjusted.Battery Warning Level minus 0.4V is the transmission inhibited level.
ADJUSTMENT (K TYPE)
NX-320
38
■ Adjustment item and Adjustment range
OrderAdjusutment
item
Panel
tuning
PC
test
AW
(Analog Wide)
AN
(Analog Narrow)
NN
(NXDN Narrow)
NV (NXDN Very
Narrow) Adjust item
NumberAdjustment range
1Counterclockwise
Volume✓ ✓
1 point ADJ Common Section 21~256
2 Clockwise Volume ✓ ✓1 point ADJ Common
Section 31~256
3 Receive Assist ✓5 point ADJ Common
Section 41~4096
4 Transmit Assist ✓5 point ADJ Common
Section 51~4096
5 Frequency ✓1 point ADJ Common
Section 61~4096
6High Transmit
Power✓ ✓
- 5 - - Transmitter Section 11~1024
7Low Transmit
Power✓ ✓
- 5 - - Transmitter Section 21~1024
8 Balance ✓ ✓- 5 - - Transmitter
Section 31~1024
9Maximum
Deviation (NXDN)✓ ✓
- - 5 5 Transmitter Section 41~1024
10Maximum
Deviation (Analog)✓ ✓
5 5 - - Transmitter Section 51~1024
11 QT Deviation ✓ ✓1 1 - - Transmitter
Section 61~1024
12 DQT Deviation ✓ ✓1 1 - - Transmitter
Section 71~1024
13 LTR Deviation ✓ ✓1 1 - - Transmitter
Section 81~1024
14 DTMF Deviation ✓ ✓1 1 - - Transmitter
Section 91~1024
15Single Tone Deviation
✓ ✓1 1 - - Transmitter
Section 101~1024
16 MSK Deviation ✓ ✓1 1 - - Transmitter
Section 111~1024
17 CW ID Deviation ✓ ✓- - - 1 Transmitter
Section 121~1024
18 Sensitivity 1 ✓- 5 - - Receiver
Section 21~256
19 Sensitivity 2 ✓- 5 - - Receiver
Section 31~256
20 RSSI Reference ✓ ✓5 5 - *1 5 Receiver
Section 41~256
21 Open Squelch ✓ ✓5 5 - *1 5 Receiver
Section 51~256
ADJUSTMENT (K TYPE)
NX-320
39
OrderAdjusutment
item
Panel
tuning
PC
test
AW
(Analog Wide)
AN
(Analog Narrow)
NN
(NXDN Narrow)
NV (NXDN Very
Narrow) Adjust item
NumberAdjustment range
22 Low RSSI ✓ ✓5 5 - *1 5 Receiver
Section 61~256
23 High RSSI ✓ ✓5 5 - *1 5 Receiver
Section 71~256
24 Tight Squelch ✓ ✓5 5 - - Receiver
Section 81~256
25Battery Warning
Level✓ ✓
1 point ADJ Transmitter Section 131~256
*1: Because NXDN Narrow is adjusted by adjusting Analog Narrow, it is not necessary to adjust NXDN Narrow.
■ Panel tuning mode fl ow chartNote: In this Panel tuning mode fl ow chart, the Adjustment item name is modifi ed.
ADJUSTMENT (K TYPE)
Volume 1VOL1
Volume 2VOL2
LowL
Low-CenterL’
CenterC
Center-HighH’
HighH
High PowerHPWR
Low PowerLPWR
BalanceBAL
NXDN DeviationNDEV
Narrow
Narrow
Narrow
Narrow NXDN DeviationNDEV
VeryNarrow
Analog MAX DeviationADEV Narrow
QT DeviationQT Narrow
DQT DeviationDQT Narrow
LTR DeviationLTR
LTR DeviationLTRNarrow Wide
Panel test mode
For all adjustment items, press the [ ] key to write the adjustment value.
N/W/VNAdjustment ItemLCD Display
5 reference levelAdjustments
5 reference levelAdjustments exit
Adjustment PointLCD Display
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
[Side2]
[Side2]
Analog MAX DeviationADEV Wide
Wide
Wide
QT DeviationQT
DQT DeviationDQT
[Side2]
[Side2]
[Side2]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ] [ ]
[ ] [ ]
[ ] hold
[ ]
[ ]
[ ]
[ ]
[ ]
[ ] press
[ ] press
[ ] press
[ ] press
[ ] press
[ ] press
[ ] hold
[ ] hold
[ ] hold
[ ] hold
[ ] hold
[ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press
[ ]
NX-320
40
ADJUSTMENT (K TYPE)
DTMF DeviationDTMF Narrow
MSK DeviationMSK Narrow
CW ID DeviationCWID
VeryNarrow
RSSI (Reference)RRSS
VeryNarrow
Single Tone DeviationTONE Narrow
NarrowRSSI (Reference)RRSS
Squelch (Open)SQL
VeryNarrowNarrowSquelch (Open)
SQL
RSSI (Low)LRSS
VeryNarrowNarrowRSSI (Low)
LRSS
RSSI (High)HRSS
VeryNarrowNarrowRSSI (High)
HRSS
NarrowSquelch (Tight)SQLT
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
Wide
Wide
Wide
Wide
Wide
Wide
Wide
Wide
DTMF DeviationDTMF
MSK DeviationMSK
Single Tone DeviationTONE
[Side2]
[Side2]
[Side2]
[Side2] [Side2]
[Side2] [Side2]
[Side2] [Side2]
[Side2] [Side2]
Battery Warning LevelBATT
RSSI (Reference)RRSS
Squelch (Open)SQL
RSSI (Low)LRSS
RSSI (High)HRSS
Squelch (Tight)SQLT
[Side2]
[Side2]
[Side2]
[Side2]
[Side2]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press
NX-320
41
Test Equipment Required for Alignment
Test Equipment Major Specifi cations
1. Standard Signal Generator (SSG)
Frequency Range 400 to 520MHzModulation Frequency modulation and external modulationOutput –127dBm/0.1µV to greater than –20dBm/22.4mVWhen performing the Frequency adjustment, the following accuracy is necessary. • 0.001ppmUse a standard oscillator for adjustments, if necessary.
2. Power MeterInput Impedance 50ΩOperation Frequency 400 to 520MHzMeasurement Capability Vicinity of 10W
3. Deviation Meter Frequency Range 400 to 520MHz
4. Digital Volt Meter (DVM)Measuring Range 10mV to 10V DCInput Impedance High input impedance for minimum circuit loading
5. Oscilloscope DC through 30MHz
6. High Sensitivity Frequency Counter
Frequency Range 10Hz to 1000MHzFrequency Stability 0.2ppm or less
7. Ammeter 5A
8. AF Volt Meter (AF VTVM)Frequency Range 50Hz to 10kHzVoltage Range 1mV to 10V
9. Audio Generator (AG)Frequency Range 50Hz to 5kHz or moreOutput 0 to 1V
10. Distortion MeterCapability 3% or less at 1kHzInput Level 50mV to 10Vrms
11. 8Ω Dummy Load Approx. 8Ω, 3W
12. Regulated Power Supply 5V to 10V, approx. 3A Useful if ammeter equipped
■ Antenna connector adapterThe antenna connector of this transceiver uses an SMA
terminal.Use an antenna connector adapter [SMA(f) – BNC(f) or
SMA(f) – N(f)] for adjustment. (The adapter is not provided as an option, so buy a commercially-available one.)
■ Nut wrenchIn order to turn the volume nut and the channel selector
nut, use a recommendation tool.KENWOOD part No.: W05-1123-00
■ Battery Jig (W05-0909-00)Connect the power cable properly between the battery
jig installed in the transceiver and the power supply, and be sure output voltage and the power supply polarity prior to switching the power supply ON, otherwise over voltage and reverse connection may damage the transceiver, or the power supply or both.
When using the battery jig in user mode, the transceiver assumes that a lithium-ion battery pack is attached to the transceiver. In adjustment mode, battery type detection is not performed.
Note: When using the battery jig, you must measure the voltage at the terminals of the battery jig. Otherwise, a slight voltage drop may occur within the power cable, be-tween the power supply and the battery jig, especially while the transceiver transmits.
+ Terminal (Red)
– Terminal (Black)
S
–
+
C1
100P
/25V
C2
470P
/25V
C3
100μ
/25V
R1
1.8M
+
+Terminal(Red)
–Terminal(Black)
Powersupply
Powercable
Schematic diagram
ADJUSTMENT (K TYPE)
NX-320
42
ADJUSTMENT (K TYPE)
Radio Check Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel test mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. Frequency check
1) CH-Sig: 1-1 PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
f. counter Panel ANT Check an internal temperature of radio from 20˚C to 26˚C.
F1
485.099940~485.100060MHz(±0.125ppm @485.1MHz)F2
435.099946~435.100054MHz(±0.125ppm @435.1MHz)
2. High power check
(Batt: 7.5V)
1) CH-Sig: 1-1 PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
Power meterAmmeter
Check 4.0W~6.0W2.1A or less
2) CH-Sig: 2-1 PTT: ON
2) Test Channel Channel: 2 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
3) CH-Sig: 3-1 PTT: ON
3) Test Channel Channel: 3 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
3. Low power check
(Batt: 7.5V)
1) CH-Sig: 1-1 PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
0.7W~1.3W1.1A or less
2) CH-Sig: 2-1 PTT: ON
2) Test Channel Channel: 2 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
3) CH-Sig: 3-1 PTT: ON
3) Test Channel Channel: 3 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
F1: 450~520MHz (K,K2,K3)F2: 400~470MHz (K4,K5,K6)
NX-320
43
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel test mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
4. MIC sensitivity
check
1) CH-Sig: 1-1 AG: 1kHz PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 AG: 1kHz PTT: Press [Trans-
mit] button.
Deviation meterOscilloscopeAGAF VTVM
Panel ANTSP/MIC connector
Adjust AG input to get a standard MOD.
12.5mV±5.8mV
5. Sensitivity check
1) CH-Sig : 1-1 SSG output Wide: –117dBm (0.32µV) (MOD: 1kHz/±3kHz) Narrow: –117dBm (0.32µV) (MOD: 1kHz/±1.5kHz)
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 SSG output Wide: –117dBm (0.32µV) (MOD: 1kHz/±3kHz) Narrow: –117dBm (0.32µV) (MOD: 1kHz/±1.5kHz)
SSGAF VTVMOscilloscopeDistortion meter8Ω dummy load
Panel ANTSP/MIC connector
Check 12dB SINAD or more
Common Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. Setting 1) BATT terminal voltage: 7.5V2) SSG standard modulation [Wide] MOD: 1kHz, DEV: 3kHz [Narrow] MOD: 1kHz, DEV: 1.5kHz
2. Counter-clockwise Volume
1) Adj item: [VOL1] Adjust: [✳✳✳]
1) Adj item: [Counterclockwise
Volume]
[Panel tuning mode]Turn the volume knob counterclock-wise fully. Press [B] key to store the adjustment value.
[PC test mode]Turn the volume knob counterclock-wise fully. Press [Apply] button to store the adjust-ment value.
This item is needed when the variable resistor (R31-0685-05) is replaced.
3. Clockwise volume
1) Adj item: [VOL2] Adjust: [✳✳✳]
1) Adj item: [Clockwise Volume]
[Panel tuning mode]Turn the volume knob clockwise fully. Press [B] key to store the adjust-ment value.
[PC test mode]Turn the volume knob clockwise fully. Press [Apply] button to store the adjustment value.
This item is needed when the variable resistor (R31-0685-05) is replaced.
NX-320
44
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
4. Receive Assist
* This adjustment can be performed only in PC test mode.
[Manual Adjustment]1) Adj item: [Receive
Assist]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
Press [Apply All] button to store the adjustment value.
Panel [PC test mode][ ],[ ]
[PC test mode][Automatic Adjustment]1) Press [Tune
Assist Voltage] button.
2) Press [Apply All] button to store the adjustment value after the automatic adjustment has fi nished.
[Manual Adjustment][V] indicator on the PC window shows VCO lock voltage.Change the adjust-ment value to get VCO lock voltage within the limit of the specifi ed volt-age.
Note:
Confi rm the VCO lock voltage ap-proximately 3 seconds after the adjustment value is changed.
2.5V±0.1V
[Automatic Adjustment]After the auto-matic adjustment is performed, verify that the VCO lock voltage is within the voltage range which is specifi ed by the manual adjustment.
[PC test mode][Manual Adjustment]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
Note:
The assist adjust-ment value must be between from 340 to 3550.
5. Transmit Assist
* This adjustment can be performed only in PC test mode.
[Manual Adjustment]1) Adj item: [Transmit
Assist]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
6. Frequency * This adjustment can be performed only in PC test mode.
1) Adj item: [Frequency] SSG output:
–20dBm (22.4mV)(CW (without modulation))
Caution:
Perform the frequency adjustment under the following conditions.• Temperature
range of +20°C to +26°C (+68.0°F to +78.8°F).
(The temperature is displayed on the Frequency adjust-ment screen of the KPG-141D.)
• Use an accuracy of 0.001ppm for the SSG. (Use a standard oscillator if necessary.)
SSG Panel ANT [PC test mode]Press [Start] button of “Auto Tuning”. Press [Apply] but-ton to store the adjustment value after the automatic adjustment has fi nished.
[PC test mode]“IF20” value = Within 0±12 digits.The value of “IF20” will become around “0” after the adjust-ment has fi nished.
Remark:
“Frequency” is adjusted under receiving condition with SSG.
NX-320
45
ADJUSTMENT (K TYPE)
Transmitter Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. High power
(Batt: 7.5V)
1) Adj item: [HPWR] Adjust: [✳✳✳✳.]2) Adj item: [H.PWR_]→
[H.P.WR_]→[H.P.W.R_]→ [H.P.W.R._]→[H.P.W.R._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [High Transmit Power]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
Power meterAmmeter
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
5.0W ±0.1W2.1A or less
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
2. Low power
(Batt: 7.5V)
1) Adj item: [LPWR] Adjust: [✳✳✳✳.]2) Adj item: [L.PWR_]→
[L.P.WR_]→[L.P.W.R_]→ [L.P.W.R._]→[L.P.W.R._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Low Transmit Power]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
1.0W ±0.05W1.1A or less
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
3. Balance *2 1) Adj item: [BAL] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [B.AL_ _]→
[B.A.L_ _]→[B.A.L._ _]→ [B.A.L._._]→[B.A.L._._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
[Side1] key: Press while transmitting to change 20Hz and 2kHz.
20Hz: “–” not appears 2kHz: “–” appears
1) Adj item: [Balance] Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Trans-mit] button.
Press [Apply All] button to store the adjustment value.
[2kHz Sine Wave Check box]: Check while transmitting change to 2kHz.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
The Deviation of 20Hz frequency is fi xed. Change the 2kHz adjustment value to become the same deviation of 20Hz within the specifi ed range.
2kHz Tone deviation is within ±1.0% of 20Hz tone devia-tion.
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
*2: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 50. Balance adjustment is common with the adjustment of all signaling deviations.
4. Maximum Deviation (NXDN) *3
[Narrow]
1) Adj item: [NDEV] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [N.DEV_]→
[N.D.EV_]→[N.D.E.V_]→ [N.D.E.V._]→[N.D.E.V._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (NXDN Narrow)]
Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Trans-mit] button.
Press [Apply All] button to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
3056HzWrite the value as followings.513 (Reference value)
2995~3117Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
NX-320
46
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
Maximum Deviation (NXDN) *3
[Very Narrow]
1) Adj item: [NDEV] Adjust: [✳✳✳✳]2) Adj item: [N.DEV_]→
[N.D.EV_]→[N.D.E.V_]→ [N.D.E.V._]→[N.D.E.V._.]
Adjust: [✳✳✳✳] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
1337HzWrite the value as followings.513 (Reference value)
1311~1363Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
5. Maximum Deviation (Analog) *3
[Narrow]
1) Adj item: [ADEV] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF2) Adj item: [A.DEV_]→
[A.D.EV_]→[A.D.E.V_]→ [A.D.E.V._]→[A.D.E.V._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
2100HzWrite the value as followings.513 (Reference value)
2050~2150Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
[Wide] 1) Adj item: [ADEV] Adjust: [✳✳.✳.✳.]2) Adj item: [A.DEV_]→
[A.D.EV_]→[A.D.E.V_]→ [A.D.E.V._]→[A.D.E.V._.]
Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (Analog Wide)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Trans-mit] button.
Press [Apply All] button to store the adjustment value.
4200HzWrite the value as followings.513 (Reference value)
4150~4250Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
*3: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 50. Regarding Maximum Deviation (Analog), it is common with the adjustment of all analog signalings.
NX-320
47
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
6. QT Deviation
*4
[Narrow]
1) Adj item: [QT] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [QT Deviation (Analog Narrow)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
Write the value as followings.513 (Reference value)
0.35kHz±0.05kHz
[Wide] 1) Adj item: [QT] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [QT Devia-tion (Analog Wide)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
0.75kHz±0.05kHz
7. DQT Deviation
*4
[Narrow]
1) Adj item: [DQT] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DQT Deviation (Analog Narrow)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.430 (Reference value)
0.35kHz±0.05kHz
[Wide] 1) Adj item: [DQT] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DQT Deviation (Analog Wide)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
0.75kHz±0.05kHz
8. LTR Deviation
*4
[Narrow]
1) Adj item: [LTR] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [LTR Deviation (Analog Narrow)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.465 (Reference value)
0.75kHz±0.05kHz
[Wide] 1) Adj item: [LTR] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [LTR Deviation (Analog Wide)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
1.00kHz±0.05kHz
NX-320
48
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
9. DTMF Deviation *4
[Narrow]
1) Adj item: [DTMF] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DTMF Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
Write the value as followings.540 (Reference value)
1.25kHz±0.05kHz
[Wide] 1) Adj item: [DTMF] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DTMF Deviation (Analog Wide)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
2.50kHz±0.05kHz
10. Single Tone
Deviation *4
[Narrow]
1) Adj item: [TONE] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Single Tone Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.513 (Reference value)
1.50kHz±0.05kHz
[Wide] 1) Adj item: [TONE] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Single Tone Deviation (Analog Wide)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
3.00kHz±0.05kHz
11. MSK Deviation *4
[Narrow]
1) Adj item: [MSK] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [MSK Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.513 (Reference value)
1.50kHz±0.05kHz
[Wide] 1) Adj item: [MSK] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [MSK Deviation (Analog Wide)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
3.00kHz±0.05kHz
NX-320
49
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
12. CW ID Deviation *4
[NXDN Very
Narrow]
1) Adj item: [CWID] Adjust: [✳✳✳✳] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [CW ID Deviation (NXDN Very Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
Write the value as followings.376 (Reference value)
1.00kHz±0.10kHz
*4: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 50.
13. Battery Warning Level
writing
1) Adj item: [BATT] Adjust: [✳✳✳] PTT: ON
1) Adj item: [Battery Warning Level]
PTT: Press [Transmit] button.
Power meterDVM
Panel ANTBATT terminal
Press the PTT switch or [Transmit] button on the PC window.Apply 6.20V to battery terminal. Confi rm that one pre-determined nu-meric in the range 1 to 256 appears.
[Panel tuning mode]Press [B] key to store the adjust-ment value.
[PC test mode]Press [Apply] but-ton to store the adjustment value.
14. Battery Warning
Level check
[Panel test mode]1) CH-Sig: 1-1 BATT terminal
voltage: 6.0V while transmitting
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 BATT terminal
voltage: 6.0V while transmitting
Check The transceiver can transmit with causing the LED to blink.
NX-320
50
ADJUSTMENT (K TYPE)
■ Necessary Deviation adjustment item for each signaling and modeThe following shows the necessary adjustment items for each signaling deviation. Please read the following table like the following example. In the case of the signaling “QT (Wide)”, this signaling is composed of three elements [Balance, Maximum Deviation (Analog Wide) and QT Deviation (Wide)]. Please adjust Balance and Maximum Deviation (Analog Wide) before adjusting QT Deviation (Wide).
Mode SignalingNecessary adjustment and order
Wide Narrow Very Narrow
Analog
AudioStep 1. Balance adjustStep 2. Maximum Deviation (Analog Wide)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Narrow)
-
QTStep 1. Balance adjustStep 2. Maximum Deviation (Analog Wide)Step 3. QT Deviation (Wide)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Narrow)Step 3. QT Deviation (Narrow)
-
DQTStep 1. Balance adjustStep 2. Maximum Deviation (Analog Wide)Step 3. DQT Deviation (Wide)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Narrow)Step 3. DQT Deviation (Narrow)
-
LTRStep 1. Balance adjustStep 2. Maximum Deviation (Analog Wide)Step 3. LTR Deviation (Wide)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Narrow)Step 3. LTR Deviation (Narrow)
-
DTMFStep 1. Balance adjustStep 2. Maximum Deviation (Analog Wide)Step 3. DTMF Deviation (Wide)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Narrow)Step 3. DTMF Deviation (Narrow)
-
2TONEStep 1. Balance adjustStep 2. Maximum Deviation (Analog Wide)Step 3. Single Tone Deviation (Analog Wide)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Narrow)Step 3. Single Tone Deviation (Analog Narrow)
-
MSK (FleetSync)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Wide)Step 3. MSK Deviation (Analog Wide)
Step 1. Balance adjustStep 2. Maximum Deviation (Analog Narrow)Step 3. MSK Deviation (Analog Narrow)
-
NXDN
Audio -Step 1. Balance adjustStep 2. Maximum Deviation (NXDN Narrow)
Step 1. Balance adjustStep 2. Maximum Deviation (NXDN Very Narrow)
CW ID - -Step 1. Balance adjustStep 2. Maximun Deviation (Analog Narrow)Step 3. CW ID Deviation (NXDN Very Narrow)
• Balance is common with all the above deviation adjustments. If Balance (Transmitter Section 3) has already adjusted, please skip Step 1 and adjust from Step 2.
• Maximum Deviation (Analog Wide/Narrow) is common with all the analog signaling deviations and CW ID Deviation (NXDN Very Narrow). If Balance and Maximum Deviation (Analog Wide/Narrow) (Transmitter Section 5) have already adjusted, please skip Step 2 and adjust from Step 3.
Receiver Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. AF level setting
[Panel test mode]1) CH-Sig: 1-1 SSG output:
–47dBm (1mV) (MOD: 1kHz/±1.5kHz) Wide/Narrow: Narrow Beat Shift: Uncheck Compander: Uncheck
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 Wide/Narrow: Narrow Beat Shift: Uncheck Compander: Uncheck SSG output:
–47dBm (1mV) (MOD: 1kHz/±1.5kHz)
SSGDVMAF VTVMDummy load
Panel ANTSP/MICconnector
Panel Volume knob
Turn the Volume Knob to obtain 0.63V AF output.
0.63V±0.1V
NX-320
51
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
2. Sensitivity 1 * This adjustment can be performed only in PC test mode.
1) Adj item: [Sensitivity 1]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
Press [Apply All] button to store the adjustment value.
SSGAF VTVMDummy loadOscilloscope
Panel ANTSP/MICconnector
[PC test mode][ ],[ ]
Write the value as followings.F1 F2
[Low]: 22 (Fixed) [Low]: 22 (Fixed)[Low’]: 73 (Fixed) [Low’]: 70 (Fixed)[Center]: 109 (Fixed) [Center]: 113 (Fixed)[High’]: 146 (Fixed) [High’]: 149 (Fixed)[High]: 182 (Fixed) [High]: 189 (Fixed)
Note:
The Preset value of Sensitivity 2 must be written before adjusting Sensitivity 1.
3. Sensitivity 2 * This adjustment can be performed only in PC test mode.
1) Adj item: [Sensitivity 2]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
Press [Apply All] button to store the adjustment value.
Write the value as followings.F1 F2
[Low]: 256 (Preset) [Low]: 256 (Preset)[Low’]: 256 (Preset) [Low’]: 256 (Preset)[Center]: 256 (Preset) [Center]: 256 (Preset)[High’]: 256 (Preset) [High’]: 256 (Preset)[High]: 256 (Fixed) [High]: 256 (Preset)
3) Adj item: F1 [Low], [Low’], [Center], [High’] F2 [Low], [Low’], [Center], [High’], [High] Press [Apply All]
button to store the adjustment value.
Press the “Auto Tuning” [Start] button, or decrease the adjustment value from the preset value to get the maximum RSSI level.SSG output: –90dBm (7.08µV)(MOD: 1kHz/±1.5kHz)Press [Apply All] button to store the ad-justment value after all adjustment points have been adjusted.
4. RSSI reference
*5
[Analog Narrow]
1) Adj item: [RRSS] Adjust: [✳✳✳.]2) Adj item: [R.RSS_]→
[R.R.SS_]→[R.R.S.S_]→ [R.R.S.S._]→[R.R.S.S._.]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [RSSI Reference (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
[Analog Wide]
1) Adj item: [RRSS] Adjust: [✳.✳.✳.]2) Adj item: [R.RSS_]→
[R.R.SS_]→[R.R.S.S_]→ [R.R.S.S._]→[R.R.S.S._.]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±3kHz)
1) Adj item: [RSSI Reference (Analog Wide)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±3kHz)
[NXDN Very Narrow]
1) Adj item: [RRSS] Adjust: [✳✳✳]2) Adj item: [R.RSS_]→
[R.R.SS_]→[R.R.S.S_]→ [R.R.S.S._]→[R.R.S.S._.]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [RSSI Reference (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
Adjust with the ana-log signal.
*5: Because RSSI Reference (NXDN Narrow) is adjusted by adjusting RSSI Reference (Analog Narrow), it is not necessary to adjust RSSI Reference (NXDN Narrow).
F1: 450~520MHz (K,K2,K3)F2: 400~470MHz (K4,K5,K6)
NX-320
52
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
5. Open Squelch *6 (Squelch level 5 adjust)
[Analog Narrow]
1) Adj item: [SQL] Adjust: [✳✳✳.]2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→ [S.Q.L._._]→[S.Q.L._._.]
SSG output: 12dB SINAD level
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Open Squelch (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
“Open Squelch” will not be adjusted correctly if MOD and Deviation are wrong.
Remark:
During production, a fi xed value is writ-ten.Narrow: 110 (Fixed)Wide: 110 (Fixed)[Analog
Wide1) Adj item: [SQL] Adjust: [✳.✳.✳.]2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→ [S.Q.L._._]→[S.Q.L._._.]
SSG output: 12dB SINAD level
(MOD :1kHz/±3kHz)
1) Adj item: [Open Squelch (Analog Wide)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level
(MOD: 1kHz/±3kHz)
[NXDN VeryNarrow]
1) Adj item: [SQL] Adjust: [✳✳✳]2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→ [S.Q.L._._]→[S.Q.L._._.]
SSG output: 12dB SINAD level for Ana-log Narrow –4dB
(MOD: 400Hz/±1.1kHz)
1) Adj item: [Open Squelch (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level for Ana-log Narrow –4dB
(MOD: 400Hz/±1.1kHz)
Adjust with the ana-log signal.This item is ad-justed under the condition that MOD is “400Hz” and De-viation is “±1.1kHz” due to the circuit confi guration.
Remark:
During production, a fi xed value is writ-ten.200 (Fixed)
*6: Because Open Squelch (NXDN Narrow) is adjusted by adjusting Open Squelch (Analog Narrow), it is not necessary to adjust Open Squelch (NXDN Narrow).
6. Low RSSI at –118dBm *7
[Analog Narrow]
1) Adj item: [LRSS] Adjust: [✳✳✳.]2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→ [L.R.S.S._]→[L.R.S.S._.]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Low RSSI (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
[Analog Wide]
1) Adj item: [LRSS] Adjust: [✳.✳.✳.]2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→ [L.R.S.S._]→[L.R.S.S._.]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±3kHz)
1) Adj item: [Low RSSI (Analog Wide)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±3kHz)
NX-320
53
ADJUSTMENT (K TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
LowRSSI at–118dBm*7
[NXDN Very Narrow]
1) Adj item: [LRSS] Adjust: [✳✳✳]2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→ [L.R.S.S._]→[L.R.S.S._.]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Low RSSI (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.[PC test mode]After input signal from SSG, press [Ap-ply] button to store the adjustment value.
Adjust with the ana-log signal.
*7: Because Low RSSI at –118dBm (NXDN Narrow) is adjusted by adjusting Low RSSI at –118dBm (Analog Narrow), it is not necessary to adjust Low RSSI at –118dBm (NXDN Narrow).
7. High RSSI at –80dBm *8
[Analog Narrow]
1) Adj item: [HRSS] Adjust: [✳✳✳.]2) Adj item: [H.RSS_]→
[H.R.SS_]→[H.R.S.S_]→ [H.R.S.S._]→[H.R.S.S._.]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [High RSSI (Analog Nar-row)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
[Analog Wide]
1) Adj item: [HRSS] Adjust: [✳.✳.✳.]2) Adj item: [H.RSS_]→
[H.R.SS_]→[H.R.S.S_]→ [H.R.S.S._]→[H.R.S.S._.]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±3kHz)
1) Adj item: [High RSSI (Analog Wide)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±3kHz)
[NXDN Very Narrow]
1) Adj item: [HRSS] Adjust: [✳✳✳]2) Adj item: [H.RSS_]→
[H.R.SS_]→[H.R.S.S_]→ [H.R.S.S._]→[H.R.S.S._.]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [High RSSI (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
Adjust with the ana-log signal.
*8: Because High RSSI at –80dBm (NXDN Narrow) is adjusted by adjusting High RSSI at –80dBm (Analog Narrow), it is not necessary to adjust High RSSI at –80dBm (NXDN Narrow).
8. Tight Squelch
[Analog Narrow]
1) Adj item: [SQLT] Adjust: [✳✳✳.]2) Adj item: [S.QLT_]→
[S.Q.LT_]→[S.Q.L.T_]→ [S.Q.L.T._]→[S.Q.L.T._.]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Tight Squelch (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
Remark:
During production, a fi xed value is writ-ten.225 (Fixed)
[Analog Wide]
1) Adj item: [SQLT] Adjust: [✳.✳.✳.]2) Adj item: [S.QLT_]→
[S.Q.LT_]→[S.Q.L.T_]→ [S.Q.L.T._]→[S.Q.L.T._.]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±3kHz)
1) Adj item: [Tight Squelch (Analog Wide)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±3kHz)
NX-320
54
Controls
SP/MICjack
SelectorPower switch/Volume
PTT switch
Side1 keySide2 key
AUX key
■ Preparations for checking/tuning the transceiverBefore attempting to check/tune the transceiver, connect
the unit to a suitable power supply.Whenever the transmitter is turned on, the unit must be
connected to a suitable dummy load (i.e. power meter).The speaker output connector must be terminated with a
8Ω dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during checking/tuning.
Panel Test Mode (E and E2 models only)
■ Test mode operation featuresThis transceiver has a test mode. To enter test mode,
press and hold the [ ] key while turning the transceiver
power ON. Before the transceiver enters test mode, the
frequency version information appears on the LCD mo-
mentarily. Test mode can be inhibited by programming. To exit test mode, turn the transceiver power OFF. The follow-ing functions are available in test mode.
■ Key operation
Key“ ” not appears on the LCD display
Function Display
[Selector] Test channel up/down Channel No.
[Side1]Push: Squelch level upHold: Squelch off
Squelch levelSquelch off: icon appears
[Side2]Wide 5k/Wide 4k/Narrow/Very narrow
Wide 5k: “W”Wide 4k: “S”Narrow: “N”Very narrow: “V”
[ ] Shift to panel tuning mode -
[ ] Function on“ ” appears on the LCD display
[ ] MSK 1200bps and 2400bps 2400bps: icon appears
[ ]Push: Test signaling upHold: Test signaling up
continuouslySignaling No.
[AUX] Analog/NXDN Analog: “A”, NXDN: “N”
[PTT] Transmit -
Key“ ” not appears on the LCD display
Function Display
[0] to [9]and
[#], [ ]
Use as the DTMF keypad.If a key is pressed during transmission, the DTMF corresponding to the key that was presses is sent.
-
Key“ ” appears on the LCD display
Function Display
[Selector] Test channel up/down Channel No.
[Side1] Function off -
[Side2] LCD all lights LCD all point appears
[ ] High power/Low powerHigh: icon not appearsLow : icon appears
[ ] Function off -
[ ] Compander on/off On: icon appears
[ ] Beat shift on/off On: icon appears
[AUX] Function off -
[PTT] Transmit -
[0] to [9]and
[#], [ ]Function off -
• LED indicatorRed LED Lights during transmission.Green LED Lights when there is carrier.
• LCD display in panel test mode
(Power ON)
Battery type detect“LI”: Li-ion battery“MH”: Ni-MH battery“AL”: Alkaline battery case
Market code
Squelch level
Channel No.
Signaling No.
AW : Analog wide 5k modeAS : Analog wide 4k modeAN : Analog narrow modeNN : NXDN narrow modeNV : NXDN very narrow mode
Frequency range“U-2”: 400~470MHz
(After 2sec.)
ADJUSTMENT (E TYPE)
NX-320
55
■ Frequency and SignalingThe transceiver has been adjusted for the frequencies
shown in the following table. When required, readjust them following the adjustment procedure to obtain the frequen-cies you want in actual operation.
• Test frequency
CH RX (MHz) TX (MHz)
1 435.05000 435.10000
2 400.05000 400.10000
3 469.95000 469.90000
4 435.00000 435.00000
5 435.20000 435.20000
6 435.40000 435.40000
7~16 - -
• Analog mode signaling
No. RX TX
1 None None
2 None 100Hz Square Wave
3
LTR Data:AREA=0, GOTO=12HOME=12ID=47, FREE=25
LTR Data:AREA=0, GOTO=12HOME=12ID=47, FREE=25
4 QT: 67.0Hz QT: 67.0Hz
5 QT: 151.4Hz QT: 151.4Hz
6 QT: 210.7Hz QT: 210.7Hz
7 QT: 254.1Hz QT: 254.1Hz
8 DQT: D023N DQT: D023N
9 DQT: D754I DQT: D754I
10 DTMF: 159D DTMF: 159D
11 None DTMF Code 9
122-tone:A: 304.7HzB: 3106.0Hz
2-tone:A: 304.7HzB: 3106.0Hz
13 Single Tone: 979.9Hz Single Tone: 979.9Hz
14 None Single Tone: 1000Hz
15 None MSK
16 MSK MSK
• NXDN mode signaling
No. RX TX
1 RAN1 RAN1
2 None PN9
3 RAN1 Maximum deviation pattern
7 None FSW+PN9 (PC test mode only)
RAN: Radio Access NumberPN9: Pseudo-Random Pattern (for production only)
Panel Tuning Mode (E and E2 models only)
■ Transceiver tuning (To enter tuning mode)To enter tuning mode, press the [ ] key while the trans-
ceiver is in test mode. Use the [ ] key to write tuning data through tuning modes, and the [Selector] to adjust tuning requirements (1 to 4096 appears on the LCD).
Use the [ ] key to select the adjustment item through tuning modes. Use the [ ] key to adjust 5 reference level adjustments, and use the [Side2] key to switch between Wide/Narrow/Very narrow.
• LCD display in panel tuning mode
B A L 1 2 9
Adjustment item Adjustment value
Narrow/Wide 5k/Wide 4k/Very narrow
Narrow
5 reference level
Wide 4k
: Low: Low’: Center: High’: High
Very narrow
Wide 5k
■ Key operation
KeyFunction
Push Hold (1 second)
[Selector] Adjustment value up/down
[Side1]20Hz/2kHz (During transmis-sion in balance adjustment)
-
[Side2]Wide 5k/Wide 4k/Narrow/Very narrow
-
[ ] Shift to panel test mode -
[ ]To enter 5 reference level adjustments
-
[ ] Writes the adjustment value -
[ ] Go to next adjustment itemBack to last adjust-ment item
[AUX] -
[PTT] Transmit
[0] to [9]and
[#], [ ]-
■ 5 reference level adjustments frequency
Tuning point RX (MHz) TX (MHz)
Low 400.05000 400.10000
Low’ 417.55000 417.60000
Center 435.05000 435.10000
High’ 452.55000 452.60000
High 469.95000 469.90000
ADJUSTMENT (E TYPE)
NX-320
56
■ Adjustment item supplement
Adjustment Item Description
Counterclockwise Volume“Counterclockwise Volume” is adjusted at the minimum volume position.“Clockwise Volume” is adjusted at the maximum volume position.These adjustments can correct the volume variation.Both “Counterclockwise Volume” and “Clockwise Volume” must be adjusted. (The curve data of volume is applied.)
Clockwise Volume
Receive AssistThe lock voltage of VCO (Receive) is adjusted.This item must be adjusted before all adjustment items for receiver section are adjusted.This item can be adjusted only in PC Test Mode.
Transmit AssistThe lock voltage of VCO (Transmit) is adjusted.This item must be adjusted before all adjustment items for transmitter section are adjusted.This item can be adjusted only in PC Test Mode.
FrequencyFrequency stability is adjusted under receiving condition with SSG.The SSG needs 0.001ppm accuracy so please use a standard oscillator if necessary.This item can be adjusted only in PC Test Mode so that the adjustment value is not changed easily.
High Transmit Power High Transmit Power is adjusted.
Low Transmit Power Low Transmit Power is adjusted.
Balance The transmit audio frequency response is adjusted.This item is adjusted so that the deviation of 2kHz becomes the same deviation of 20Hz.This item must be adjusted before all adjustment items for deviations are adjusted.
Maximum Deviation (NXDN Narrow/Very Narrow)
Maximum Deviation of NXDN (Narrow/Very Narrow) is adjusted.
Maximum Deviation(Analog Wide 5k/Wide 4k/Narrow)
Maximum Deviation of Analog (Wide 5k/Wide 4k/Narrow) is adjusted.This item must be adjusted before all adjustment items for tone deviations are adjusted.Note: “Maximum Deviation (Analog Narrow)” must be adjusted before “CW ID Deviation (NXDN Very Narrow)” is adjusted.
QT Deviation QT tone deviation is adjusted.
DQT Deviation DQT tone deviation is adjusted.
LTR Deviation LTR tone deviation is adjusted. (LTR is not used in user mode for E-type fi rmware.)
DTMF Deviation DTMF tone deviation is adjusted.
Single Tone Deviation The deviation of Single Tone used in “5-tone” is adjusted.
MSK Deviation MSK tone deviation is adjusted.
CW ID Deviation CW ID tone deviation is adjusted.CW ID is used to inform the others who is transmitting on a 6.25-kHz spacing channel.(In FCC rule, Analog mode or CW ID is required for each channel-spacing.)
Sensitivity 1Band-Pass Filter is adjusted.The performance of Receive Sensitivity is improved.This item can be adjusted only in PC Test Mode.
Sensitivity 2The gain of RF amplifi er is adjusted.The performance of the interfering wave is improved.This item can be adjusted only in PC Test Mode.
RSSI Reference The minimum RSSI level for scan stop is adjusted.
Open Squelch The squelch level at level “5” is adjusted.
Low RSSI RSSI display level “ ” is adjusted.Both “Low RSSI” and “High RSSI” must be adjusted.(The curve data of RSSI level is applied.)High RSSI
Tight Squelch The squelch level at level “9” is adjusted.
Battery Warning LevelBattery Warning Level (LED blinking level) is adjusted.Battery Warning Level minus 0.4V is the transmission inhibited level.
ADJUSTMENT (E TYPE)
NX-320
57
■ Adjustment item and Adjustment range
OrderAdjusutment
item
Panel
tuning
PC
test
AW (Analog
Wide 5k)
AS (Analog
Wide 4k)
AN (Analog
Narrow)
NN (NXDN
Narrow)
NV (NXDN
Very Narrow) Adjust item
NumberAdjustment range
1Counterclockwise
Volume✓ ✓
1 point ADJ Common Section 21~256
2 Clockwise Volume ✓ ✓1 point ADJ Common
Section 31~256
3 Receive Assist ✓5 point ADJ Common
Section 41~4096
4 Transmit Assist ✓5 point ADJ Common
Section 51~4096
5 Frequency ✓1 point ADJ Common
Section 61~4096
6High Transmit
Power✓ ✓
- - 5 - - Transmitter Section 11~1024
7Low Transmit
Power✓ ✓
- - 5 - - Transmitter Section 21~1024
8 Balance ✓ ✓- - 5 - - Transmitter
Section 31~1024
9Maximum
Deviation (NXDN)✓ ✓
- - - 5 5 Transmitter Section 41~1024
10Maximum
Deviation (Analog)✓ ✓
5 5 5 - - Transmitter Section 51~1024
11 QT Deviation ✓ ✓1 1 1 - - Transmitter
Section 61~1024
12 DQT Deviation ✓ ✓1 1 1 - - Transmitter
Section 71~1024
13 LTR Deviation ✓ ✓1 - 1 - - Transmitter
Section 81~1024
14 DTMF Deviation ✓ ✓1 1 1 - - Transmitter
Section 91~1024
15Single Tone Deviation
✓ ✓1 1 1 - - Transmitter
Section 101~1024
16 MSK Deviation ✓ ✓1 1 1 - - Transmitter
Section 111~1024
17 CW ID Deviation ✓ ✓- - - - 1 Transmitter
Section 121~1024
18 Sensitivity 1 ✓- - 5 - - Receiver
Section 21~256
19 Sensitivity 2 ✓- - 5 - - Receiver
Section 31~256
20 RSSI Reference ✓ ✓5 5 5 - *1 5 Receiver
Section 41~256
21 Open Squelch ✓ ✓5 5 5 - *1 5 Receiver
Section 51~256
ADJUSTMENT (E TYPE)
NX-320
58
OrderAdjusutment
item
Panel
tuning
PC
test
AW (Analog
Wide 5k)
AS (Analog
Wide 4k)
AN (Analog
Narrow)
NN (NXDN
Narrow)
NV (NXDN
Very Narrow) Adjust item
NumberAdjustment range
22 Low RSSI ✓ ✓5 5 5 - *1 5 Receiver
Section 61~256
23 High RSSI ✓ ✓5 5 5 - *1 5 Receiver
Section 71~256
24 Tight Squelch ✓ ✓5 5 5 - - Receiver
Section 81~256
25Battery Warning
Level✓ ✓
1 point ADJ Transmitter Section 131~256
*1: Because NXDN Narrow is adjusted by adjusting Analog Narrow, it is not necessary to adjust NXDN Narrow.
■ Panel tuning mode fl ow chartNote: In this Panel tuning mode fl ow chart, the Adjustment item name is modifi ed.
ADJUSTMENT (E TYPE)
Volume 1VOL1
Volume 2VOL2
LowL
Low-CenterL’
CenterC
Center-HighH’
HighH
High PowerHPWR
Low PowerLPWR
BalanceBAL
NXDN DeviationNDEV
Narrow
Narrow
Narrow
Narrow NXDN DeviationNDEV
VeryNarrow
Analog MAX DeviationADEV
Analog MAX DeviationADEVNarrow Wide
4k
QT DeviationQT
QT DeviationQTNarrow
Panel test mode
For all adjustment items, press the [ ] key to write the adjustment value.
N/W/VNAdjustment ItemLCD Display
5 reference levelAdjustments
5 reference levelAdjustments exit
Adjustment PointLCD Display
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
[Side2]
[Side2]
[Side2]
Analog MAX DeviationADEV
Wide5k
Wide4k
Wide5k
QT DeviationQT
[Side2]
[Side2]
[Side2]
[Side2]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ] [ ]
[ ] [ ] [ ]
[ ] hold [ ]
[ ]
[ ]
[ ]
[ ]
[ ] press
[ ] press
[ ] press
[ ] press
[ ] press
[ ] press
[ ] hold
[ ] hold
[ ] hold
[ ] hold
[ ] hold
[ ] hold
[ ] press [ ] hold
[ ] press
[ ]
NX-320
59
ADJUSTMENT (E TYPE)
DQT DeviationDQT
DQT DeviationDQTNarrow
LTR DeviationLTR
LTR DeviationLTRNarrow Wide
DTMF DeviationDTMF
DTMF DeviationDTMFNarrow
MSK DeviationMSK
MSK DeviationMSKNarrow
CW ID DeviationCWID
VeryNarrow
RSSI (Reference)RRSS
RSSI (Reference)RRSS
VeryNarrow
Single Tone DeviationTONE
Single Tone DeviationTONENarrow
NarrowRSSI (Reference)RRSS
Squelch (Open)SQL
Squelch (Open)SQL
VeryNarrowNarrowSquelch (Open)
SQL
RSSI (Low)LRSS
RSSI (Low)LRSS
VeryNarrowNarrowRSSI (Low)
LRSS
RSSI (High)HRSS
RSSI (High)HRSS
VeryNarrowNarrowRSSI (High)
HRSS
Squelch (Tight)SQLTNarrowSquelch (Tight)
SQLT
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
5 reference levelAdjustments
[Side2]
[Side2]
[Side2]
[Side2]
[Side2]
Wide4k
Wide5k
Wide4k
Wide5k
Wide4k
Wide5k
Wide4k
Wide5k
Wide4k
Wide5k
Wide4k
Wide5k
Wide4k
Wide5k
Wide4k
Wide5k
Wide4k
Wide5k
DQT DeviationDQT
DTMF DeviationDTMF
MSK DeviationMSK
Single Tone DeviationTONE
[Side2]
[Side2]
[Side2]
[Side2]
[Side2] [Side2] [Side2]
[Side2]
[Side2]
[Side2]
[Side2]
[Side2] [Side2]
[Side2] [Side2]
[Side2] [Side2]
[Side2]
[Side2]
[Side2]
[Side2]
[Side2]
Battery Warning LevelBATT
RSSI (Reference)RRSS
Squelch (Open)SQL
RSSI (Low)LRSS
RSSI (High)HRSS
Squelch (Tight)SQLT
[Side2]
[Side2]
[Side2]
[Side2]
[Side2]
[ ] [ ]
[ ] [ ]
[ ] [ ]
[ ]
[ ]
[ ]
[ ] [ ]
[ ] [ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ]
[ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press [ ] hold
[ ] press
NX-320
60
Test Equipment Required for Alignment
Test Equipment Major Specifi cations
1. Standard Signal Generator (SSG)
Frequency Range 400 to 520MHzModulation Frequency modulation and external modulationOutput –127dBm/0.1µV to greater than –20dBm/22.4mVWhen performing the Frequency adjustment, the following accuracy is necessary. • 0.001ppmUse a standard oscillator for adjustments, if necessary.
2. Power MeterInput Impedance 50ΩOperation Frequency 400 to 520MHzMeasurement Capability Vicinity of 10W
3. Deviation Meter Frequency Range 400 to 520MHz
4. Digital Volt Meter (DVM)Measuring Range 10mV to 10V DCInput Impedance High input impedance for minimum circuit loading
5. Oscilloscope DC through 30MHz
6. High Sensitivity Frequency Counter
Frequency Range 10Hz to 1000MHzFrequency Stability 0.2ppm or less
7. Ammeter 5A
8. AF Volt Meter (AF VTVM)Frequency Range 50Hz to 10kHzVoltage Range 1mV to 10V
9. Audio Generator (AG)Frequency Range 50Hz to 5kHz or moreOutput 0 to 1V
10. Distortion MeterCapability 3% or less at 1kHzInput Level 50mV to 10Vrms
11. 8Ω Dummy Load Approx. 8Ω, 3W
12. Regulated Power Supply 5V to 10V, approx. 3A Useful if ammeter equipped
■ Antenna connector adapterThe antenna connector of this transceiver uses an SMA
terminal.Use an antenna connector adapter [SMA(f) – BNC(f) or
SMA(f) – N(f)] for adjustment. (The adapter is not provided as an option, so buy a commercially-available one.)
■ Nut wrenchIn order to turn the volume nut and the channel selector
nut, use a recommendation tool.KENWOOD part No.: W05-1123-00
■ Battery Jig (W05-0909-00)Connect the power cable properly between the battery
jig installed in the transceiver and the power supply, and be sure output voltage and the power supply polarity prior to switching the power supply ON, otherwise over voltage and reverse connection may damage the transceiver, or the power supply or both.
When using the battery jig in user mode, the transceiver assumes that a lithium-ion battery pack is attached to the transceiver. In adjustment mode, battery type detection is not performed.
Note: When using the battery jig, you must measure the voltage at the terminals of the battery jig. Otherwise, a slight voltage drop may occur within the power cable, be-tween the power supply and the battery jig, especially while the transceiver transmits.
+ Terminal (Red)
– Terminal (Black)
S
–
+
C1
100P
/25V
C2
470P
/25V
C3
100μ
/25V
R1
1.8M
+
+Terminal(Red)
–Terminal(Black)
Powersupply
Powercable
Schematic diagram
ADJUSTMENT (E TYPE)
NX-320
61
ADJUSTMENT (E TYPE)
Radio Check Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel test mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. Frequency check
1) CH-Sig: 1-1 PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
f. counter Panel ANT Check an internal temperature of radio from 20˚C to 26˚C.
435.099946~435.100054MHz(±0.125ppm @435.1MHz)
2. High power check
(Batt: 7.5V)
1) CH-Sig: 1-1 PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
Power meterAmmeter
Check 4.0W~6.0W2.1A or less
2) CH-Sig: 2-1 PTT: ON
2) Test Channel Channel: 2 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
3) CH-Sig: 3-1 PTT: ON
3) Test Channel Channel: 3 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
3. Low power check
(Batt: 7.5V)
1) CH-Sig: 1-1 PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
0.7W~1.3W1.1A or less
2) CH-Sig: 2-1 PTT: ON
2) Test Channel Channel: 2 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
3) CH-Sig: 3-1 PTT: ON
3) Test Channel Channel: 3 Test Signaling Mode: Analog Signaling: 1 PTT: Press [Transmit] button.
4. MIC sensitivity
check
1) CH-Sig: 1-1 AG: 1kHz PTT: ON
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 AG: 1kHz PTT: Press [Transmit] button.
Deviation meterOscilloscopeAGAF VTVM
Panel ANTSP/MIC connector
Adjust AG input to get a standard MOD.
12.5mV±5.8mV
NX-320
62
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel test mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
5. Sensitivity check
1) CH-Sig : 1-1 SSG output Wide 5k: –117dBm (0.32µV) (MOD: 1kHz/±3kHz) Wide 4k: –117dBm (0.32µV) (MOD: 1kHz/±2.4kHz) Narrow: –117dBm (0.32µV) (MOD: 1kHz/±1.5kHz)
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 SSG output Wide 5k: –117dBm (0.32µV) (MOD: 1kHz/±3kHz) Wide 4k: –117dBm (0.32µV) (MOD: 1kHz/±2.4kHz) Narrow: –117dBm (0.32µV) (MOD: 1kHz/±1.5kHz)
SSGAF VTVMOscilloscopeDistortion meter8Ω dummy load
Panel ANTSP/MIC connector
Check 12dB SINAD or more
Common Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. Setting 1) BATT terminal voltage: 7.5V2) SSG standard modulation [Wide 5k] MOD: 1kHz, DEV: 3kHz [Wide 4k] MOD: 1kHz, DEV: 2.4kHz [Narrow] MOD: 1kHz, DEV: 1.5kHz
2. Counter-clockwise Volume
1) Adj item: [VOL1] Adjust: [✳✳✳]
1) Adj item: [Counterclockwise
Volume]
[Panel tuning mode]Turn the volume knob counterclock-wise fully. Press [B] key to store the adjustment value.
[PC test mode]Turn the volume knob counterclock-wise fully. Press [Apply] button to store the adjust-ment value.
This item is needed when the variable resistor (R31-0685-05) is replaced.
3. Clockwise volume
1) Adj item: [VOL2] Adjust: [✳✳✳]
1) Adj item: [Clockwise Volume]
[Panel tuning mode]Turn the volume knob clockwise fully. Press [B] key to store the adjust-ment value.
[PC test mode]Turn the volume knob clockwise fully. Press [Apply] button to store the adjustment value.
This item is needed when the variable resistor (R31-0685-05) is replaced.
NX-320
63
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
4. Receive Assist
* This adjustment can be performed only in PC test mode.
[Manual Adjustment]1) Adj item: [Receive
Assist]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
Press [Apply All] button to store the adjustment value.
Panel [PC test mode][ ],[ ]
[PC test mode][Automatic Adjustment]1) Press [Tune
Assist Voltage] button.
2) Press [Apply All] button to store the adjustment value after the automatic adjustment has fi nished.
[Manual Adjustment][V] indicator on the PC window shows VCO lock voltage.Change the adjust-ment value to get VCO lock voltage within the limit of the specifi ed volt-age.
Note:
Confi rm the VCO lock voltage ap-proximately 3 seconds after the adjustment value is changed.
2.5V±0.1V
[Automatic Adjustment]After the auto-matic adjustment is performed, verify that the VCO lock voltage is within the voltage range which is specifi ed by the manual adjustment.
[Manual Adjustment]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
Note:
The assist adjust-ment value must be between from 340 to 3550.
5. Transmit Assist
* This adjustment can be performed only in PC test mode.
[Manual Adjustment]1) Adj item: [Transmit
Assist]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
6. Frequency * This adjustment can be performed only in PC test mode.
1) Adj item: [Frequency] SSG output:
–20dBm (22.4mV)(CW (without modulation))
Caution:
Perform the frequency adjustment under the following conditions.• Temperature
range of +20°C to +26°C (+68.0°F to +78.8°F).
(The temperature is displayed on the Frequency adjust-ment screen of the KPG-141D.)
• Use an accuracy of 0.001ppm for the SSG. (Use a standard oscillator if necessary.)
SSG Panel ANT [PC test mode]Press [Start] button of “Auto Tuning”. Press [Apply] but-ton to store the adjustment value after the automatic adjustment has fi nished.
[PC test mode]“IF20” value = Within 0±12 digits.The value of “IF20” will become around “0” after the adjust-ment has fi nished.
Remark:
“Frequency” is adjusted under receiving condition with SSG.
NX-320
64
ADJUSTMENT (E TYPE)
Transmitter Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. High power
(Batt: 7.5V)
1) Adj item: [HPWR] Adjust: [✳✳✳✳.]2) Adj item: [H.PWR_]→
[H.P.WR_]→[H.P.W.R_]→ [H.P.W.R._]→[H.P.W.R._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [High Transmit Power]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
Power meterAmmeter
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
5.0W ±0.1W2.1A or less
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
2. Low power
(Batt: 7.5V)
1) Adj item: [LPWR] Adjust: [✳✳✳✳.]2) Adj item: [L.PWR_]→
[L.P.WR_]→[L.P.W.R_]→ [L.P.W.R._]→[L.P.W.R._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Low Transmit Power]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
1.0W ±0.05W1.1A or less
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
3. Balance *2 1) Adj item: [BAL] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [B.AL_ _]→
[B.A.L_ _]→[B.A.L._ _]→ [B.A.L._._]→[B.A.L._._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
[Side1] key: Press while transmitting to change 20Hz and 2kHz.
20Hz: “–” not appears 2kHz: “–” appears
1) Adj item: [Balance] Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
[2kHz Sine Wave Check box]: Check while transmitting change to 2kHz.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
The Deviation of 20Hz frequency is fi xed. Change the 2kHz adjustment value to become the same deviation of 20Hz within the specifi ed range.
2kHz Tone deviation is within ±1.0% of 20Hz tone devia-tion.
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
*2: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 70. Balance adjustment is common with the adjustment of all signaling deviations.
4. Maximum Deviation (NXDN) *3
[Narrow]
1) Adj item: [NDEV] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [N.DEV_]→
[N.D.EV_]→[N.D.E.V_]→ [N.D.E.V._]→[N.D.E.V._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (NXDN Narrow)]
Deviation meter LPF: 3kHz HPF: OFF2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
3056HzWrite the value as followings.513 (Reference value)
2995~3117Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
NX-320
65
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
Maximum Deviation (NXDN) *3
[Very Narrow]
1) Adj item: [NDEV] Adjust: [✳✳✳✳]2) Adj item: [N.DEV_]→
[N.D.EV_]→[N.D.E.V_]→ [N.D.E.V._]→[N.D.E.V._.]
Adjust: [✳✳✳✳] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
1337HzWrite the value as followings.513 (Reference value)
1311~1363Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
5. Maximum Deviation (Analog) *3
[Narrow]
1) Adj item: [ADEV] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF2) Adj item: [A.DEV_]→
[A.D.EV_]→[A.D.E.V_]→ [A.D.E.V._]→[A.D.E.V._.]
Adjust: [✳✳✳✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF2) Adj item: [Low],
[Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
2100HzWrite the value as followings.513 (Reference value)
2050~2150Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
[Wide 4k] 1) Adj item: [ADEV] Adjust: [✳✳✳.✳.]2) Adj item: [A.DEV_]→
[A.D.EV_]→[A.D.E.V_]→ [A.D.E.V._]→[A.D.E.V._.]
Adjust: [✳✳✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (Analog Wide 4k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
3360HzWrite the value as followings.513 (Reference value)
3310~3410Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
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66
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
Maximum Deviation (Analog) *3
[Wide 5k]
1) Adj item: [ADEV] Adjust: [✳✳.✳.✳.]2) Adj item: [A.DEV_]→
[A.D.EV_]→[A.D.E.V_]→ [A.D.E.V._]→[A.D.E.V._.]
Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Maximum Deviation (Analog Wide 5k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
PTT: Press [Transmit] button. Press [Apply All]
button to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
4200HzWrite the value as followings.513 (Reference value)
4150~4250Hz
[PC test mode]Press [Apply All] button to store the adjustment value after all adjustment points have been adjusted.
*3: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 70. Regarding Maximum Deviation (Analog), it is common with the adjustment of all analog signalings.
6. QT Deviation
*4
[Narrow]
1) Adj item: [QT] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [QT Deviation (Analog Narrow)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
Write the value as followings.513 (Reference value)
0.35kHz±0.05kHz
[Wide 4k] 1) Adj item: [QT] Adjust: [✳✳✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [QT Devia-tion (Analog Wide 4k)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
0.60kHz±0.05kHz
[Wide 5k] 1) Adj item: [QT] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [QT Devia-tion (Analog Wide 5k)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
0.75kHz±0.05kHz
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67
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
7. DQT Deviation
*4
[Narrow]
1) Adj item: [DQT] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DQT Deviation (Analog Narrow)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
Write the value as followings.430 (Reference value)
0.35kHz±0.05kHz
[Wide 4k] 1) Adj item: [DQT] Adjust: [✳✳✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DQT Deviation (Analog Wide 4k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
0.60kHz±0.05kHz
[Wide 5k] 1) Adj item: [DQT] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DQT Deviation (Analog Wide 5k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
0.75kHz±0.05kHz
8. LTR Deviation
*4
[Narrow]
1) Adj item: [LTR] Adjust: [✳✳✳✳.] Deviation meter LPF: 3kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [LTR Deviation (Analog Narrow)]
Deviation meter LPF: 3kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.465 (Reference value)
0.75kHz±0.05kHz
[Wide] 1) Adj item: [LTR] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [LTR Deviation (Analog Wide)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
1.00kHz±0.05kHz
9. DTMF Deviation *4
[Narrow]
1) Adj item: [DTMF] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DTMF Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.540 (Reference value)
1.25kHz±0.05kHz
NX-320
68
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
DTMF Deviation *4
[Wide 4k]
1) Adj item: [DTMF] Adjust: [✳✳✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DTMF Deviation (Analog Wide 4k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
Write the value as followings.540 (Reference value)
2.00kHz±0.05kHz
[Wide 5k] 1) Adj item: [DTMF] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [DTMF Deviation (Analog Wide 5k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
2.50kHz±0.05kHz
10. Single Tone
Deviation *4
[Narrow]
1) Adj item: [TONE] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Single Tone Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.513 (Reference value)
1.50kHz±0.05kHz
[Wide 4k] 1) Adj item: [TONE] Adjust: [✳✳✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Single Tone Deviation (Analog Wide 4k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
2.40kHz±0.05kHz
[Wide 5k] 1) Adj item: [TONE] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [Single Tone Deviation (Analog Wide 5k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
3.00kHz±0.05kHz
11. MSK Deviation *4
[Narrow]
1) Adj item: [MSK] Adjust: [✳✳✳✳.] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [MSK Deviation (Analog Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.513 (Reference value)
1.50kHz±0.05kHz
NX-320
69
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
MSK Deviation
*4
[Wide 4k]
1) Adj item: [MSK] Adjust: [✳✳✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [MSK Deviation (Analog Wide 4k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Deviation meterOscilloscope
Panel ANT Panel [Panel tuning mode]Selector
[PC test mode][ ],[ ]
Write the value as followings.513 (Reference value)
2.40kHz±0.05kHz
[Wide 5k] 1) Adj item: [MSK] Adjust: [✳✳.✳.✳.] PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [MSK Deviation (Analog Wide 5k)]
PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
3.00kHz±0.05kHz
12. CW ID Deviation *4
[NXDN Very
Narrow]
1) Adj item: [CWID] Adjust: [✳✳✳✳] Deviation meter LPF: 15kHz HPF: OFF PTT: ON Press [B] key to
store the adjust-ment value.
1) Adj item: [CW ID Deviation (NXDN Very Narrow)]
Deviation meter LPF: 15kHz HPF: OFF PTT: Press [Transmit] button. Press [Apply] but-
ton to store the adjustment value.
Write the value as followings.376 (Reference value)
1.00kHz±0.10kHz
*4: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 70.
13. Battery Warning Level
writing
1) Adj item: [BATT] Adjust: [✳✳✳] PTT: ON
1) Adj item: [Battery Warning Level]
PTT: Press [Transmit] button.
Power meterDVM
Panel ANTBATT terminal
Press the PTT switch or [Transmit] button on the PC window.Apply 6.20V to battery terminal. Confi rm that one pre-determined nu-meric in the range 1 to 256 appears.
[Panel tuning mode]Press [B] key to store the adjust-ment value.
[PC test mode]Press [Apply] but-ton to store the adjustment value.
14. Battery Warning
Level check
[Panel test mode]1) CH-Sig: 1-1 BATT terminal
voltage: 6.0V while transmitting
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 BATT terminal
voltage: 6.0V while transmitting
Check The transceiver can transmit with causing the LED to blink.
NX-320
70
ADJUSTMENT (E TYPE)
■ Necessary Deviation adjustment item for each signaling and modeThe following shows the necessary adjustment items for each signaling deviation. Please read the following table like the following example. In the case of the signaling “QT (Wide 5k)”, this signaling is composed of three elements [Balance, Maximum Deviation (Analog Wide 5k) and QT Deviation (Wide 5k)]. Please adjust Balance and Maximum Deviation (Analog Wide 5k) before adjusting QT Deviation (Wide 5k).
Mode SignalingNecessary adjustment and order
Wide 5k Wide 4k Narrow Very Narrow
Analog
AudioStep 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 5k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 4k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Narrow)-
QT
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 5k)Step 3. QT Deviation (Wide 5k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 4k)Step 3. QT Deviation (Wide 4k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Narrow)Step 3. QT Deviation (Narrow)
-
DQT
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 5k)Step 3. DQT Deviation
(Wide 5k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 4k)Step 3. DQT Deviation
(Wide 4k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Narrow)Step 3. DQT Deviation (Narrow)
-
LTR
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 5k)Step 3. LTR Deviation
(Wide 5k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 4k)Step 3. LTR Deviation
(Wide 4k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Narrow)Step 3. LTR Deviation (Narrow)
-
DTMF
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 5k)Step 3. DTMF Deviation
(Wide 5k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 4k)Step 3. DTMF Deviation
(Wide 4k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Narrow)Step 3. DTMF Deviation
(Narrow)
-
5TONE
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 5k)Step 3. Single Tone Deviation
(Analog Wide 5k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 4k)Step 3. Single Tone Deviation
(Analog Wide 4k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Narrow)Step 3. Single Tone Deviation
(Analog Narrow)
-
MSK (FleetSync)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 5k)Step 3. MSK Deviation
(Analog Wide 5k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Wide 4k)Step 3. MSK Deviation
(Analog Wide 4k)
Step 1. Balance adjustStep 2. Maximum Deviation
(Analog Narrow)Step 3. MSK Deviation
(Analog Narrow)
-
NXDN
Audio -Step 1. Balance adjustStep 2. Maximum Deviation
(NXDN Narrow)
Step 1. Balance adjustStep 2. Maximum Deviation
(NXDN Very Narrow)
CW ID - -
Step 1. Balance adjustStep 2. Maximun Deviation
(Analog Narrow)Step 3. CW ID Deviation
(NXDN Very Narrow)
• Balance is common with all the above deviation adjustments. If Balance (Transmitter Section 3) has already adjusted, please skip Step 1 and adjust from Step 2.
• Maximum Deviation (Analog Wide 5k/Wide 4k/Narrow) is common with all the analog signaling deviations and CWID Deviation (NXDN Very Narrow). If Balance and Maximum Deviation (Analog Wide 5k/Wide 4k/Narrow) (Transmitter Section 5) have already adjusted, please skip Step 2 and adjust from Step 3.
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ADJUSTMENT (E TYPE)
Receiver Section
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
1. AF level setting
[Panel test mode]1) CH-Sig: 1-1 SSG output:
–47dBm (1mV) (MOD: 1kHz/±1.5kHz) Wide 5k/Wide 4k/
Narrow: Narrow Beat Shift: Uncheck Compander: Uncheck
1) Test Channel Channel: 1 Test Signaling Mode: Analog Signaling: 1 Wide 5k/Wide 4k/
Narrow: Narrow Beat Shift: Uncheck Compander: Uncheck SSG output:
–47dBm (1mV) (MOD: 1kHz/±1.5kHz)
SSGDVMAF VTVMDummy load
Panel ANTSP/MICconnector
Panel Volume knob
Turn the Volume Knob to obtain 0.63V AF output.
0.63V±0.1V
2. Sensitivity 1 * This adjustment can be performed only in PC test mode.
1) Adj item: [Sensitivity 1]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
Press [Apply All] button to store the adjustment value.
SSGAF VTVMDummy loadOscilloscope
Panel ANTSP/MICconnector
[PC test mode][ ],[ ]
Write the value as followings.[Low]: 22 (Fixed)[Low’]: 70 (Fixed)[Center]: 113 (Fixed)[High’]: 149 (Fixed)[High]: 189 (Fixed)
Note:
The Preset value of Sensitivity 2 must be written before adjusting Sensitivity 1.
3. Sensitivity 2 * This adjustment can be performed only in PC test mode.
1) Adj item: [Sensitivity 2]2) Adj item: [Low],
[Low’], [Center], [High’], [High]
Press [Apply All] button to store the adjustment value.
Write the value as followings.[Low]: 256 (Preset)[Low’]: 256 (Preset)[Center]: 256 (Preset)[High’]: 256 (Preset)[High]: 256 (Preset)
3) Adj item: [Low], [Low’], [Center], [High’], [High]
Press [Apply All] button to store the adjustment value.
Start by pressing the “Auto Tuning” [Start] button, or decrease the adjustment value from the preset value to get the maxi-mum RSSI level.SSG output: –90dBm (7.08µV)(MOD: 1kHz/±1.5kHz)Press [Apply All] button to store the ad-justment value after all adjustment points have been adjusted.Next, increase the adjustment value to get 12dB SINAD.SSG output: –118dBm (0.28µV)(MOD: 1kHz/±1.5kHz)
4. RSSI reference
*5
[Analog Narrow]
1) Adj item: [RRSS] Adjust: [✳✳✳.]2) Adj item: [R.RSS_]→
[R.R.SS_]→[R.R.S.S_]→ [R.R.S.S._]→[R.R.S.S._.]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [RSSI Reference (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
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ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
RSSI reference
*5
[Analog Wide 4k]
1) Adj item: [RRSS] Adjust: [✳✳.✳.]2) Adj item: [R.RSS_]→
[R.R.SS_]→[R.R.S.S_]→ [R.R.S.S._]→[R.R.S.S._.]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±2.4kHz)
1) Adj item: [RSSI Reference (Analog Wide 4k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±2.4kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
[Analog Wide 5k]
1) Adj item: [RRSS] Adjust: [✳.✳.✳.]2) Adj item: [R.RSS_]→
[R.R.SS_]→[R.R.S.S_]→ [R.R.S.S._]→[R.R.S.S._.]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±3kHz)
1) Adj item: [RSSI Reference (Analog Wide 5k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±3kHz)
[NXDN Very Narrow]
1) Adj item: [RRSS] Adjust: [✳✳✳]2) Adj item: [R.RSS_]→
[R.R.SS_]→[R.R.S.S_]→ [R.R.S.S._]→[R.R.S.S._.]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [RSSI Reference (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level –3dB
(MOD: 1kHz/±1.5kHz)
Adjust with the ana-log signal.
*5: Because RSSI Reference (NXDN Narrow) is adjusted by adjusting RSSI Reference (Analog Narrow), it is not necessary to adjust RSSI Reference (NXDN Narrow).
5. Open Squelch *6 (Squelch level 5 adjust)
[Analog Narrow]
1) Adj item: [SQL] Adjust: [✳✳✳.]2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→ [S.Q.L._.]→[S.Q.L._._.]
SSG output: 12dB SINAD level
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Open Squelch (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
“Open Squelch” will not be adjusted correctly if MOD and Deviation are wrong.
Remark:
During production, a fi xed value is writ-ten.Narrow: 110 (Fixed)Wide 4k: 110 (Fixed)Wide 5k: 110 (Fixed)
[Analog Wide 4k]
1) Adj item: [SQL] Adjust: [✳✳.✳.]2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→ [S.Q.L._.]→[S.Q.L._._.]
SSG output: 12dB SINAD level
(MOD: 1kHz/±2.4kHz)
1) Adj item: [Open Squelch (Analog Wide 4k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level
(MOD: 1kHz/±2.4kHz)
[Analog Wide 5k]
1) Adj item: [SQL] Adjust: [✳.✳.✳.]2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→ [S.Q.L._.]→[S.Q.L._._.]
SSG output: 12dB SINAD level
(MOD: 1kHz/±3kHz)
1) Adj item: [Open Squelch (Analog Wide 5k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level
(MOD: 1kHz/±3kHz)
NX-320
73
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
Open Squelch *6 (Squelch level 5 adjust)
[NXDN Very
Narrow]
1) Adj item: [SQL] Adjust: [✳✳✳]2) Adj item: [S.QL_ _]→
[S.Q.L_ _]→[S.Q.L._ _]→ [S.Q.L._.]→[S.Q.L._._.]
SSG output: 12dB SINAD level for Ana-log Narrow –4dB
(MOD: 400Hz/±1.1kHz)
1) Adj item: [Open Squelch (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level for Ana-log Narrow –4dB
(MOD: 400Hz/±1.1kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
Adjust with the ana-log signal.This item is ad-justed under the condition that MOD is “400Hz” and De-viation is “±1.1kHz” due to the circuit confi guration.
Remark:
During production, a fi xed value is writ-ten.200 (Fixed)
*6: Because Open Squelch (NXDN Narrow) is adjusted by adjusting Open Squelch (Analog Narrow), it is not necessary to adjust Open Squelch (NXDN Narrow).
6. Low RSSI at –118dBm *7
[Analog Narrow]
1) Adj item: [LRSS] Adjust: [✳✳✳.]2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→ [L.R.S.S._]→[L.R.S.S._.]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Low RSSI (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
[Analog Wide 4k]
1) Adj item: [LRSS] Adjust: [✳✳.✳.]2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→ [L.R.S.S._]→[L.R.S.S._.]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±2.4kHz)
1) Adj item: [Low RSSI (Analog Wide 4k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±2.4kHz)
[Analog Wide 5k]
1) Adj item: [LRSS] Adjust: [✳.✳.✳.]2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→ [L.R.S.S._]→[L.R.S.S._.]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±3kHz)
1) Adj item: [Low RSSI (Analog Wide 5k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±3kHz)
[NXDN Very Narrow]
1) Adj item: [LRSS] Adjust: [✳✳✳]2) Adj item: [L.RSS_]→
[L.R.SS_]→[L.R.S.S_]→ [L.R.S.S._]→[L.R.S.S._.]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Low RSSI (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –118dBm (0.28µV)
(MOD: 1kHz/±1.5kHz)
Adjust with the ana-log signal.
*7: Because Low RSSI at –118dBm (NXDN Narrow) is adjusted by adjusting Low RSSI at –118dBm (Analog Narrow), it is not necessary to adjust Low RSSI at –118dBm (NXDN Narrow).
NX-320
74
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
7. High RSSI at –80dBm *8
[Analog Narrow]
1) Adj item: [HRSS] Adjust: [✳✳✳.]2) Adj item: [H.RSS_]→
[H.R.SS_]→[H.R.S.S_]→ [H.R.S.S._]→[H.R.S.S._.]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [High RSSI (Analog Nar-row)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.[Analog
Wide 4k]1) Adj item: [HRSS] Adjust: [✳✳.✳.]2) Adj item: [H.RSS_]→
[H.R.SS_]→[H.R.S.S_]→ [H.R.S.S._]→[H.R.S.S._.]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±2.4kHz)
1) Adj item: [High RSSI (Analog Wide 4k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±2.4kHz)
[Analog Wide 5k]
1) Adj item: [HRSS] Adjust: [✳.✳.✳.]2) Adj item: [H.RSS_]→
[H.R.SS_]→[H.R.S.S_]→ [H.R.S.S._]→[H.R.S.S._.]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±3kHz)
1) Adj item: [High RSSI (Analog Wide 5k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±3kHz)
[NXDN Very Nar-row]
1) Adj item: [HRSS] Adjust: [✳✳✳]2) Adj item: [H.RSS_]→
[H.R.SS_]→[H.R.S.S_]→ [H.R.S.S._]→[H.R.S.S._.]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
1) Adj item: [High RSSI (NXDN Very Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: –80dBm (22.4µV)
(MOD: 1kHz/±1.5kHz)
Adjust with the ana-log signal.
*8: Because High RSSI at –80dBm (NXDN Narrow) is adjusted by adjusting High RSSI at –80dBm (Analog Narrow), it is not necessary to adjust High RSSI at –80dBm (NXDN Narrow).
8. Tight Squelch
[Analog Narrow]
1) Adj item: [SQLT] Adjust: [✳✳✳.]2) Adj item: [S.QLT_]→
[S.Q.LT_]→[S.Q.L.T_]→ [S.Q.L.T._]→[S.Q.L.T._.]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±1.5kHz)
1) Adj item: [Tight Squelch (Analog Narrow)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±1.5kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
Remark:
During production, a fi xed value is writ-ten.225 (Fixed)
NX-320
75
ADJUSTMENT (E TYPE)
Item
Condition Measurement AdjustmentSpecifi cations /
RemarksPanel tuning mode PC test modeTest-
equipmentUnit Terminal Unit Parts Method
Tight Squelch
[Analog Wide 4k]
1) Adj item: [SQLT] Adjust: [✳✳.✳.]2) Adj item: [S.QLT_]→
[S.Q.LT_]→[S.Q.L.T_]→ [S.Q.L.T._]→[S.Q.L.T._.]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±2.4kHz)
1) Adj item: [Tight Squelch (Analog Wide 4k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±2.4kHz)
SSG Panel ANTSP/MICconnector
[Panel tuning mode]After input signal from SSG, press [B] key to store the adjustment value.
[PC test mode]After input signal from SSG, press [Apply] button to store the adjust-ment value.
Remark:
During production, a fi xed value is writ-ten.Wide 4k: 225 (Fixed)Wide 5k: 225 (Fixed)
[Analog Wide 5k]
1) Adj item: [SQLT] Adjust: [✳.✳.✳.]2) Adj item: [S.QLT_]→
[S.Q.LT_]→[S.Q.L.T_]→ [S.Q.L.T._]→[S.Q.L.T._.]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±3kHz)
1) Adj item: [Tight Squelch (Analog Wide 5k)]
2) Adj item: [Low], [Low’], [Center], [High’], [High]
SSG output: 12dB SINAD level +5dB
(MOD: 1kHz/±3kHz)
NX-320
76
TERMINAL FUNCTION
Display unit (X54-3760-XX A/3)
Pin No. Name I/O Function
CN5
1 33M I 33M input
2 SCK0 I Clock input
3 SDI0 I Serial data input
4 SDO0 O Serial data output
5 DISP_VER O Display version detection
6 /EVCS I Chip enable
7 /LCDCS I LCD IC chip enable
8 GND - GND
9 RXAF_2 I RX AF input with BEEP and VOICE
10 ASQ O Analog squelch voltage output
11 ASQAPC I Analog squelch signal input
12 VOX O VOX voltage output
13 MIC O MIC modulation output
14 50C I 50C input
15 MOD I AF modulation input
16 GND - GND
17 VCO_MOD O VCO modulation output
18 33A I 33A input
19 TV2 O Tuning control voltage 2 output
20 TV1 O Tuning control voltage 1 output
21 SPAF O AF output for amplifi er
22 GND - GND
23 MICI I MIC modulation input
24 SB2 I SB2 input
Display unit (X54-3760-XX B/3)
Pin No. Name I/O Function
CN6
1 GND - GND
2 PTT O Internal PTT input
3 /S1 O Key input (SIDE1 key)
4 /S2 O Key input (SIDE2 key)
5 /EMG O Key input (EMG key)
6 GND - GND
TX-RX unit (X57-8050-XX)
Pin No. Name I/O Function
CN1
1 +B OPower output after passing through the fuse
2 SB1 I Power input after power switch
3 NC - No connection
4 33A O 33A output
Pin No. Name I/O Function
5 VOL I Volume level input for audio control
6 VOL_GND - GND for volume level
7 ENC3 I Rotary switch input
8 GND - GND
9 ENC4 I Rotary switch input
10 ENC2 I Rotary switch input
11 ENC1 I Rotary switch input
CN2
1 SB2 O SB2 output
2 MICI O MIC modulation output
3 GND - GND
4 SPAF I AF input for AF amplifi er
5 TV1 I Tuning control voltage 1 input
6 TV2 I Tuning control voltage 2 input
7 33A O 33A output
8 VCO_MOD I VCO modulation input
9 GND - GND
10 MOD O AF modulation output
11 50C O 50C output
12 MIC I MIC modulation input
13 VOX I VOX voltage input
14 ASQAPC O Analog squelch signal output
15 ASQ I Analog squelch voltage input
16 RXAF_2 O RX AF output with BEEP and VOICE
17 GND - GND
18 /LCDCS O LCD IC chip enable
19 /EVCS O Chip enable
20 DISP_VER I Display version detection
21 SDO0 O Serial data output
22 SDI0 I Serial data input
23 SCK0 O Clock output
24 33M O 33M output
CN3
1 GND - GND
2 PTT I Internal PTT output
3 /S1 I Key output (Side1 key)
4 /S2 I Key output (Side2 key)
5 /EMG I Key output (EMG key)
6 GND - GND
CN4
1 MIC+ I Internal MIC input
2 MIC– - Internal MIC GND
3 SP+ O Internal speaker output
4 SP– - Internal speaker GND
NX-320
77
SP/MIC Connector Specifi cation
Pin
No.
Pin
NameI/O
Signal
TypeDescription Item and Condition Min Typ Max Unit Note
1 PTT/RXD I DigitalPTT/RXD inputZin=10kΩ
Input Voltage (High) 4 5 6 V
Input Voltage (Low) 0 0.5 V
2 MICI I AnalogExternal MIC inputZin=1.8kΩ@1kHz
Maximum Input Voltage 1100 mVrms
Standard Input Voltage 6.7 12.5 18.3 mVrmsAF=1kHz60% deviationMIC sens=Normal
3 MICO O Analog Internal MIC output
4 OPTDET I DigitalExternal option detectionZin=74kΩ
5 50V O Power DC 5V outputOutput Voltage 4.9 5.0 5.1 V Io=30mA
Maximum Output Current 100 mA
6 AE - GND GND Maximum Input Current 700 mA
7 TXD O DigitalTXD outputZout=6.8kΩ
Output Voltage (High) 4.9 5.0 5.1 V Load=Open
Output Voltage (Low) 0 0.1 V Load=Open
8 SPI I Analog Internal Speaker input
9 SPO O Analog Internal Audio output
Maximum Output Power 1300 mW
AF=0.3~3kHzFM Dev.=MaximumLoad=8ΩP.S.=9.0V
Standard Output Power 400 500 mW
AF=1kHzLoad=8ΩTHD=10%P.S.=7.5V
TERMINAL FUNCTION
78
JIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
ED1
J79-0312-09 B/3
J79-0312-09 C/3
J79-0312-09 A/3
C78
C79
C83
C84
C90
C93
C1
C4CP10 CP11
D15
+
–
CP12
D16
CP13
CP14
L2
L3
IC8
1 16
17
32
3348
49
64
Q134
15
Q6
Q8R1R3
R5
R6R7
S1EMG
S2PTT
S3Side1
R65
R66
R72
R73
R75
CP2CP3 CP4CP5
CP6
C85
C94
D1
MIC
1
D19
D18
L1
Q7
R67
R69
R70
R71
R74
R76
R83
CP
7C
P8
CP
9
DISPLAY UNIT (X54-3760-XX) Component side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
NX-320 PC BOARD
79
J K L M N O P Q R S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
S10A
S140
S138
S125
S112
S15B
ED1
S189
S176
S163
S19#
S20C
S5S
S9
*S87
S74
S61
D7
D8
D9
D10
D11
D12
D13
D14
S4Side2
R61
R62
R63
R64
DISPLAY UNIT (X54-3760-XX) Component side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4
PC BOARD NX-320
Ref. No. Address
IC8 7F
Q1 8C
Q6 9D
Q7 9D
Q8 8D
D1 8B
D7 7Q
D8 5Q
D9 7P
Ref. No. Address
D10 5P
D11 7O
D12 5O
D13 8N
D14 4N
D15 5E
D16 5E
D18 5H
D19 7H
80
JIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DGS
C20
C21
C6
C7
C8
IC1
45
18
R12
R13
R15
R16
R19
R20
R9
R82
CN5
C10
C15
C16
C19
SB
2M
ICI
GN
DS
PA
FT
V1
TV
233
AV
CO
_MO
DG
ND
MO
D50
CM
ICV
OX
AS
QA
PC
AS
QR
XA
F_2
GN
D/L
CD
CS
/EV
CS
DIS
P_V
ER
SD
O0
SD
I0S
CK
033
M1 24
C22
C23
C25
C26
C28
C29
C31
C33
C34
C36
C40
C42
C44
C2
C3
C5
D2
D3
TH
1
R10
R11
R14
R17
R18
Q2
Q3
Q4
R2
R4
R39
R8
R84
R85
R86
R88
C11
C13
DISPLAY UNIT (X54-3760-XX) Foil side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4
NX-320 PC BOARD
Ref. No. Address
IC1 4I
IC2 6L
IC4 8N
IC6 7M
Q2 4I
Q3 4H
Ref. No. Address
Q4 4J
Q5 4K
D2 5G
D3 4J
D4 4K
81
J K L M N O P Q R S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C32
C38
C48
C49
C52 C53
C54
C62
C63 C64
C71
C73
C92
MIC+GRE
MIC–BWN
IC6
45
18
R21R23
R24 R26
R30
R35
R37
R41 R42
R47
R52
R53
R77
R78
R81
1
6712
13
1819 24
CN6
J79-0312-09C/3
J79-0312-09 B/3
J79-0312-09 A/3
GN
D16
PT
T/S
1/S
2/E
MG
GN
D
SB
2M
ICI
GN
DS
PA
FT
V1
TV
233
A
24
C30C37
C33
C34
C35
C36
C39
C40
C42 C
43C
44
C45
C47
C58
C67
C68
C70
C74
C2
C3
D3
D4
IC2
45
18
IC4
R10
R22
Q4
R28
Q5
R29
R33
R34
R2
R4
R39
R8
R40
R44
R45
R50
R79
R84
CP
1
C91
DISPLAY UNIT (X54-3760-XX) Foil side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
PC BOARD NX-320
82
JIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DGS
R604
R410
R606
R609
R224
R610
R228
R611
R612
R613
R614
R615
R616
R423
R427
R235
R620
R623
R624
R625
R432
R628
R436
R630
C402
R632
C601
C604
R641
R642
C607
C608
R649
R650
R655
R656
R657
R463
R467
C237
R469
R660
R661
C431
C432
R663
R664
R666
R667
C439
C443
C444
C646
C647
C648
C649
C650
C652
C653
R690
D4
C657
C658
C659
C660
C661
C663
Q510C668
D414
IC201
L503
C670
C673C674C678
IC404
L511
IC601
IC603
C684
IC605
C685
C492
C687
C688
C689
IC610 C691
C692
C693
C696
C697
C699
CP602
CP603
R507
R510
R512
R513
R519 R52
C509
R547
R548
C701
R552
R553
R554
C523
C524
C525
C527
C532
C540
C549
D502
L607
L609
IC502
CN2
L611
L613
L614
L615
L616L617
IC904
2
1
3
4
31
46
45
101
6
9
+
RSSI
DGND
BSCAN0
/FLDM
BPF
CV4 5
1 8
3
1
4
5
4 5
1 8R
213
R216
R217
R221 R
227
R617
R618
R619
R234
R629
R631
R633
R634
R635
R636
R637
R638
R639
C602
C603
R640
C605
C606
C609
R646
R647
C610
X601
R658
R659
C620
C622
C623
R662
C628
R665
R668
C631
C638
C639
C640
C641
C642
C643
C644
C655
Q503
C669
L508 C675
C677
C679
C680
C681
C682
C683
C686
IC607
IC609
IC611
IC612
IC613
C695
C698
CP
601
CP
605
CP
606
CP
608
R506
R520
C700
C510
C514
C517 C
518
TP601
TP604TP605
C521
TP606
TP
607
TP608
TP609C
526
R2
C537
C539
C543
C545C
553 C554
C555
C558
D505
D506
Q602
D511
D512
L602
L603 L604
IC503
IC506
IC509
R404
R409
R420
R426
R437
R438 R
439C
410
R462
R464
C429
R468
C430
C434
C450
IC402
C484
C486
C491
Q403
34
16
3 1
4 5
21
34
45
18
34
15
SB
2124
MIC
IG
ND
SP
AF
TV
1T
V2
33AV
CO
_MO
DG
ND
MO
D50CM
ICV
OX
AS
QA
PC
AS
QR
XA
F_2G
ND
/LCD
CS
/EV
CS
DIS
P_V
ER
SD
O0
SD
I0S
CK
033M
3 1
4 6
34
15
34
15
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Component side view (J79-0314-19)
NX-320 PC BOARD
Ref. No. Address
IC101 3O
IC201 3I
IC402 9J
IC404 8H
IC502 4C
IC503 7B
IC504 4M
IC506 5B
IC509 4H
Ref. No. Address
IC601 4D
IC603 8D
IC605 3F
IC607 4E
IC609 6D
IC610 5E
IC611 8F
IC612 8F
IC613 5C
Ref. No. Address
IC901 6P
IC902 6O
IC904 4I
Q105 8K
Q106 3O
Q107 4O
Q108 5O
Q109 5N
Q403 8J
Ref. No. Address
Q501 6K
Q502 7K
Q503 3J
Q505 4M
Q510 3G
Q511 4M
Q512 5L
Q602 7F
Q901 7Q
Ref. No. Address
Q902 5P
Q903 7Q
Q904 7P
Q905 8P
Q907 9N
D101 8L
D401 10J
D414 8J
D501 4Q
Ref. No. Address
D502 3C
D505 6B
D506 5B
D509 5M
D511 4H
D512 4H
D902 7O
83
J K L M N O P Q R S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DG S
DG S
D
G S
D
G
S
DG S
DG S
DGS
R410
R423
C616
C431
C432
R474
Q106
D401
Q505 F1
C666
C667
4
Q511
L502
Q902
Q905
CP607
CP610
R501
R502
R503
R504
R509
R514
R515
R516
R517
R518
R901
R902
R906
R907
R909
TH101
R529
R147 R148
R919
R920
R150
R921
C501
C502
C504
R161
R164
R165
C511
C512
R550
C901
C902
C904
C905
C906
C907
C909
C910C913
C536
C541
C548
C549
C550
C551
C552
C177
C178D501
C181
D509
IC101
C182
D902
CN3
CN4
C599
IC901
CP501
1
11 ENC1ENC2ENC4GNDENC3VOL_GNDVOL33ANCSB1+B
SB1
RXD0
J1EXT. MICGND
OPTDET
50V
PTT/RXDMICI
MICO
45
18
+
J2EXT. SP
SPOSPI
TXD
AE
S
J79-0314-19
R653
C618
C620
C622
C623
C614
Q502
Q503
R1
R2
R409
R420 R
422C429
C430 Q
105
Q501
C664
C665
Q512
L120
C491
R511
R144
R146
R149
C505
C507R
549R
551
C130
C520
D101
C173Q
403
C174
C175
CN
1
Q107
Q108
Q109
F2
L504
Q901
Q903
Q904
Q907
L902
L903
L904
L905
J2
R505
R903
R904
R905
R908
R152 R
153
R154
R155
R156
R157
C503
R158
R159
C506
R160
R162
R163R
166
R167
C513
R168
R169
C903
C908
C528
C529
C914
C533
C534
C179
C180
IC504
IC902
34
SB
21
MIC
IG
ND
SP
AF
TV
1T
V2
33A3 1
4 6
GN
DP
TT
/S1
/S2
/EM
GG
ND
16
34
16
3 1
4 6
TXD0
31
45
SP
+
SP
–
MIC
+
MIC
–
1 4
31
45
5 1
6 10
+B
+
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Component side view (J79-0314-19)
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4Layer 5Layer 6Layer 7Layer 8
PC BOARD NX-320
84
JIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GD
G
S
R
R225
R226
R231
R238
R441
R449
R450
C221
C232
C235
C240
C244
C246
C440
C251
Q103
Q104
C260
C4
C261
D206
D207
L103
L105 L106
D4D413
L115
L117
L119
Q906
R101
R110R111
R112R113
R114
R115
R116
R121
R126
R129
R130
R131
C101C102R141
R911
R142
R143
R913
R914
C109C110
C113
C114
C119
C120
C122
C124
C125
C126
C127
C128
C129
C131
C144
C915
C148
C149
C150
C920
C152
C922
C923
C155
C927
C160
C161
D105
Q202
Q40
Q408
L405
L406
L212
L408
L410
L412
L417
L428
ANT
J79-0314-19
OPTDET
50V
TXD
AE
SPISPO
PTT/RXD MICI
MICO
D G
D
S
G
DG
G S
R229
R232
R233
R236
R237
R448 R
460
R461
C236
C435
C242
C247
C249
C446
C255
C256
C258
C259
Q102
C456
D204
Q110
C461
L102
C464
or L104
L108
L109
L114
L116
L118
C480
C482
L901
R102
R117
R118
R119
R120
R122
R123
R124
R128
R1
32
R910
C106
R912
C107
C111
C112
C115
C116
C118
C121
R170
C135
C138
C136
C141
C916
C917
C918
C151
C921
C153
C154
C156
C157
C158
D102 C
163
D103 C
16
4 o
rD
106
C170
Q401
L211
L213
L214
D901
L416
L424L426
R457
C460
D405
D408
D409
C498
Q406
31
46
E
EC
B
3 1
4 6
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Foil side view (J79-0314-19)
NX-320 PC BOARD
Ref. No. Address
IC302 6P
IC304 6R
IC403 7N
IC501 7R
IC505 5M
IC507 9Q
Q102 5H
Q103 7H
Q104 7F
Q110 5G
Ref. No. Address
Q201 4M
Q202 3J
Q301 8O
Q303 5O
Q401 8J
Q402 8L
Q405 7K
Q406 7I
Q407 7J
Q408 6J
Ref. No. Address
Q506 8R
Q507 8Q
Q509 9R
Q906 9G
D102 4E
D103 4E
D105 3F
D106 4G
D201 3L
D202 3K
Ref. No. Address
D203 3K
D204 3H
D206 3H
D207 4G
D402 9J
D403 9L
D404 9K
D405 9J
D406 9K
D407 9K
Ref. No. Address
D408 9J
D409 9J
D410 8L
D411 9L
D412 5J
D413 5J
D415 9L
D508 9Q
D901 9G
85
J K L M N O P Q R S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GSD
GSD
DG
S
R210
R407
R411
R412
R220
R414
R418 R419
R225
226
R428 R429
C201
C202
C203
R434
C204
R241
C205
C207
C208R245
C401
C210
C211
TH402
C213
C214
C215
R446
C216
C217
R447
C218
C219
X401
C412
R450
C414
C220
R452
C223
R455
C226
C227
R458
C228
C420
C421
C422
C230
C425
C232
C426
C427
C428
235
R470
R471
C436
C437 C438
R475
C440 C441
C442
C449
C451
C453
C454
C455
D202
D203
C458
D403
C466
C468
C469
C470
D412
C473
L3073
C474
L505
L506
IC403
C487
C488
XF1
CP401
R308
R508
R317
R320
R321
R329
R524
R330
R335
R531
C302
R533
R344
C308
R345
R539
R349
R540
C311
R542
R544
R351
C319
R355
R356
R357
C519
C522
C332
C335
C530
C535
C350
C353
C354
C356C357Q201
C359
C557
Q405
Q407
Q408
L203
L204 L205
L207
D508
L209
L403
L404
L210
L405
L406 L407
L409
IC302 IC304
L411
L412L413
L415
IC501L417
IC505
L423
L429
R203
R205
R207
D
SG
G
+
+
+
67 12
13
181924
1
3
1
4
5
121
1324
2
1
3
4
18
45
R440
R451
R456
R459
R460
R461
C233
C236
R472
C456
C457
C461
C467
C471
C475
C476
C477
C478
C480
C481
C482
Q401
L211
L418
L421
L422
L424L426
L427R
212
C209
C212
C224
C225
R457
C229
D201 C
293
L206
L208
R204
R208
R209
R443
R444
C447
C459
C460
C462
D402
C463
D404
D405
D406
D407
D409
D410
D411
D415
C498
C499
Q402
L419
R400
R408
R413
R415
R416
R417
R421
R433
C405
C406 C
408
C409
C411
C413
C415
C416
C417
C418
C419
C423
C424
Q301
Q303
Q506
Q507
Q509
L302
L305
L306
L308
L509
C483 R
301
R302
R304
R305
R306
R310
R326 R
327
R328
R331
R332
R338
R530
C301
R532
C303
R340
R341
C307
R346
C310
CF1
CF2
C313
R543
C508C
314
C315
R546
R545
R352
C316
C317
R354
C318
C320
C515
C321
C516
C322
C323
C324
C327C
330
C338
C339 C
340
C341
C343
C538
C346
C351
C358
C360
C361
C362
L201
L202
L401
L402
IC507C
398
L425
R201
3
3
3 1
4 6 1
46
3 4
2 1
1
46
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Foil side view (J79-0314-19)
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4Layer 5Layer 6Layer 7Layer 8
PC BOARD NX-320
NX-320
86
Q201
Mixer
VCOASIC
IC610
Q303
IF Amp
IC904
SUM SMF
400mW
C338C353XF1
MCF
IC302
FM IC
CF2
CF
C216C246
LNA
Q202
C71
PLL
C477
C475
Q408 Q102C482 D413
RXLO
Q103 Q104 C149
D412
–118.5dBm
–119.5dBm –107.0dBm –120.5dBm –107.0dBm
12.5mVrms(at MIC terminal) 42.6mVrms
–2.1dBm 33.5dBm 5.0W
F1: K,K2,K3F2: K4,K5,K6,E,E2,E3
IF1 (49.95MHz)RF (Center Frequency)
RF (Center Frequency)
AF (1kHz)
C261
C473 C114 C120
IC2C30
C335
–71.0dBm
IC610
ASIC
C605
186.2mVrms 186.2mVrms 226.2mVrms
23.5mVrms
DSP
IC603
13.2dBm 13.0dBm
AF (1kHz)
IF2 (450kHz)
IC901
Audio Amp
IC2C35 C443
F1: 162.4mVrms(W) 81.2mVrms(N)F2: 166.3mVrms(W) 83.2mVrms(N)
F1: 162.4mVrms(W) 81.2mVrms(N)F2: 166.3mVrms(W) 83.2mVrms(N)
F1: 30.9mVrms(W) 15.5mVrms(N)F2: 37.0mVrms(W) 18.5mVrms(N)
IC4
DAC
C903
68.0mVrms 43.9mVrms
VCO
IC6
IC610
ASIC
To make measurements in the AF section, connect the AC level meter. (ANT input: –53dB, 1kHz FM, 3kHz DEV (Wide))In the RF section, use a 1000pF coupling capacitor.(The display shows the SSG input value required to obtain 12dB SINAD without local level.)
AG is set to the MIC input becomes (3kHz/1.5kHz) at 1kHz MOD (Wide/Narrow).To make measurements in the AF section, connect the AC level meter.In the RF section, use a 1000pF coupling capacitor.
LEVEL DIAGRAM
Receiver Section
Transmitter Section
NX-320
87
INTERCONNECTION DIAGRAM
CN
21
SB
22
MIC
I3
GN
D4
SP
AF
5T
V1
6T
V2
733
A8
VC
O_M
OD
9G
ND
10M
OD
1150
C12
MIC
13V
OX
14A
SQ
AP
C15
AS
Q16
RX
AF_
217
GN
D18
/LC
DC
S19
/EV
CS
20D
ISP
_VE
R21
SD
O0
22S
DI0
23S
CK
024
33M
CN
524
SB
223
MIC
I22
GN
D21
SP
AF
20T
V1
19T
V2
1833
A17
VC
O_M
OD
16G
ND
15M
OD
1450
C13
MIC
12V
OX
11A
SQ
AP
C10
AS
Q9
RX
AF_
28
GN
D7
/LC
DC
S6
/EV
CS
5D
ISP
_VE
R4
SD
O0
3S
DI0
2S
CK
01
33M
CN3
X54-3760-XX-10 K3,K6,E YES
NOYES-11 K2,K5,E2
-12 K,K4,E3
LCD
1GND
2PTT
3/S1
4/S2
5/EMG
6
1
2
3
4
5
6GND
CN6
GND
PTT
/S1
/S2
/EMG
GND
CN
41
MIC
+2
MIC
–3
SP
+4
SP
–
CN1
1 +B
2 SB1
3 NC
4 33A
5 VOL
6 VOL_GND
7 ENC3
8 GND
9 ENC4
10 ENC2
11 ENC1
J1P
TT
/RX
DM
ICI
MIC
OO
PT
DE
T50
V
J2A
ET
XD
SP
IS
PO
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
+ – S
BA
TT
ER
Y
7.5V
INT
SP
INT
MIC
EX
TS
P
EX
TM
IC
TX-RX PCBX57-805
DISPLAY PCBX54-376 A/3
PTTSECTIONX54-376
B/3
MIC
SE
CT
ION
X54
-376
C/3
CO
M1
CO
M2
CO
M3
CO
M4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
* LCD
AN
T
VR
1P
ow
er S
W/
AF
Vo
l
S10
1C
HA
NN
EL
SE
LEC
TO
R
88
NX-320 SCHEMATIC DIAGRAM
X54-376 (A/3) 1/2
7
6
5
4
3
2
1
A B C D E
T:5.72VR:0.12VR:6.04V
T:0.09V
R:7.47VT:7.25V
3.30V
D
D
SC
K0
/LC
DC
SS
DI0
S1S2
COM1COM2
COM3COM4
S33
S30S29S28S27
S2
6S
25
S2
4S
23
S2
2S
21
S2
0S
19
S1
8S
17
S1
6S
15
S14S13S12S11
S10S9S8S7
S6S5S4S3
LE
DG
LE
DR
SD
O0
S31S32
CO
M1
CO
M2
CO
M3
CO
M4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S1
0S
11
S1
2S
13
S1
4S
15
S1
6S
17
S1
8
S1
9S
20
S2
1S
22
S2
3S
24
S2
5S
26
S2
7S
28
S2
9S
30
S3
1S
32
S3
3
KL
C
33
MD
50
CD
BL
C
SB2
SB2SB2
D1
8D
19
R76
R7
4
Q8
R7
5
C9
0
R7
3
C7
9
C8
5
C83
C8
4
CP12 1kx4
CP
71
kx4
CP4 1kx4 CP11 1kx4CP
81
kx4
CP13 1kx4
CP14 1kx2
IC8
1P1/S1
2P2/S2
3P3/S3
4P4/S4
5S5
6S6
7S7
8S8
9S9
10S10
11S11
12S12
13S13
14S14
15S15
16S16
17
S1
7
18
S1
8
19
S1
9
20
S2
0
21
S2
1
22
S2
2
23
S2
3
24
S2
4
25
S2
5
26
S2
6
27
S2
7
28
S2
8
29
S2
9
30
S3
0
31
S3
1
32
S3
2
33S3334S34
35S35
36S36
37S37
38S38
39CoM4/S39
40 CoM341
CoM242
CoM143
KS1/S4044
KS2/S4145
KS3/S4246KS4
47 KS548 KS6
49
KI1
50
KI2
51
KI3
52
KI4
53
KI5
54
VD
D5
5V
LC
D5
6V
LC
D1
57
VL
CD
25
8V
SS
59
TE
ST
60
oS
C6
1D
o6
2C
E6
3C
L6
4D
I
CP
91
kx4
CP2 1kx4
R67
D16
L3
CP
10
10
0x4
R7
2
R7
0
R7
1
C7
8 R69
Q7
R6
6
D1
3D
14
D1
1D
12
D8
D7
D9
D1
0
Q6
R6
3
R6
4
R6
2
R6
1
S5
S
S20
C
S15
B
S10
A
S6
1
S16
3
S11
2
S17
6
S12
5
S7
4
S8
7
S13
8
S18
9
S9 S14
0
S19
#
CP3 470x4
CP6
470x4
R1
4.7
k
R7
4.7kC4
47
0p
R6
82
0
R5 10
C1
47
0p
D1
B3
0-2
27
8-0
5
R3
39
0
Q1
UM
G9
N
15
32
D15
CP5 1kx4
LCD
R83
0
C9
3
0.0
1u
C9
4
0.0
1u
R6
5
LCD BACKLIGHTKEY BACKLIGHT
HN2S03FE
1SS388FB
30
-22
10
-05
2SC5383-T111
2SA1362-F(GR)
2SC5383-T111
B3
0-2
33
7-0
5
CP2
RK74HB1J102J
RK74HB1J102J
CP3
RK74HB1J102J
CP4
RK74HB1J102J
CP5
RK74HB1J102J
RK74HB1J102J
CP6 CP7 CP8
RK74HB1J102J
RK74HB1J102J
CP9
RK74HB1J101J
CP10
RK74HB1J101J
CP11 CP12 CP13 CP14
D10 D11 D13 D14
HN2S03FE
HN2S03FE
D15 D18
B30-2210-05
B30-2210-05
D19
B30-2210-05
B30-2210-05
IC8
LC75857W-E
LC75857W-E
Q6
2SA1362-F(GR)
2SA1362-F(GR)
Q7
2SC5383-T111
2SC5383-T111
Q8
2SC5383-T111
2SC5383-T111
S5
S70-0519-05
S70-0519-05
S70-0519-05
S6
S70-0519-05
S8S7
S70-0519-05 S70-0519-05
S9
S70-0519-05
S70-0519-05
S10 S11
S70-0519-05
S12
S70-0519-05 S70-0519-05
S13 S14 S15
S70-0519-05
S16
S70-0519-05
S17
S70-0519-05
S18 S19
L92-0138-05
L3
L92-0138-05
D7
B30-2337-05
1SS388F
D16
1SS388F
X54-3760-XX
-10
-11
-12
X54-3760-XX
X54-3760-XX
RK74HB1J471J
RK74HB1J471J
NO NO NO NO
RK74HB1J471J
NO
NO
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
NO NO NO NO NO NO NO NO
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
D8 D9 D12
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
B30-2337-05
NO
B30-2337-05 B30-2337-05
NO NO NO NO NO NO NONO
NO NO
NO
NO NO
NONO
NO
NO
NO NO
NONO
NO NO NONO NO
NONO
S70-0519-05 S70-0519-05
NO
NO
NO
S70-0519-05 S70-0519-05
NO
NO
NO
NO
K,K4,E3
K3,K6,E
X54-3760-XX
-10
-11
-12
K2,K5,E2 NO
NO
NO
NO NO NO NO NONO NONO NONO
NO
NO
S20
S70-0519-05
NO
S70-0519-05
NO
R61 R62 R63 R64 R65 R66 R67 R69 R70 R71 R72 R73
3.3k 6.8k
6.8k
0 10k
0 470
470 2.2k
2.2k 10k
10k
10k
10k
10k
43k
43k
X54-3760-XX
-10
-11
-12 NO NO NONO NO NO
R74 R75 R76 C78
680
2.2k
2.2k
C79 C83 C84 C85 C90
NO NONO
120
120
680 0.01u
0.01u 0.047u
0.047u
1000p
1000p
0.047u
0.047u 680p
680p
0.01u
0.01u
RED
DISPLAY UNIT (X54-3760-XX) (A/3)
33M
SB2
LEDG
LEDR
33M
-10
-11
-12
-10
-11
-12
LCD DRIVER
TX/BUSY LEDD1
TX/BUSYLED
KEY BACKLIGHT
Q6
BACKLIGHT CONT
Q7 Q8
LCD BACKLIGHT
KEY CONT
D15,16
D7-14
4
3.3k 3.3k 3.3k
3.3k
LCD
YES
NO
YES
GRN
1
*
*
*
*
**
*
*
*
*
*
*
*
* * *
* *
*
***
*
*
*
* *
* * *
* *
*
**
** *
*
***
**
*
* *
*
**
*
* * * *
***
* * *
***
***
K,K4,E3
K3,K6,E
K2,K5,E2
K,K4,E3
K3,K6,E
K2,K5,E2
K,K4,E3
K3,K6,E
K2,K5,E2
K,K4,E3
K3,K6,E
K2,K5,E2
*
89
SCHEMATIC DIAGRAM NX-320
X54-376 (A/3) 2/2, X54-376 (B/3) 1/1
JIHGF
R:7.47VT:7.25V
3.30V
5.00V
3.30V
D
C
-t
SDO0
SCK0
/EVCS
MOD
MIC
DISP_VER
MIC
I
SPAF
TV1
TV2
ASQ
TV2
TV1
MICI
SPAF
MIC
ASQAPC
SDO0
SDI0
SCK0
AS
QA
PC
ASQ
/LCDCS
/EVCS
DISP_VER
MOD
50C
RXAF_2
SQ_SW
VCO_MOD
VREF
VREF
33A
33A
33A
33A
33M
SB2
R85L1
R86
R84
L2
R3
4
10
0k
R50
22k
R3
5
10
0k
C74
1u
R4
51
00
kR
44
10
0k
C49 1000p
C7
0
1u
C5
4
33
0p
R3
3
10
0k
C5
8
68
pC45
R5
3
1.8
k
IC6TC75W51FK(F)
1 oUTA
2
3
4 VSS 5
6
7oUTB
8VDDC48 1u
C6
7
10
00
p
C68
0.01u
R3
0 0
C23
C3447p
C7
R5
2
47
0
C26
47p
C3147p
C2847p
C29
C33
C42
C44
47p
C43
S2S70-0516-05
S3S70-0516-05
S4S70-0516-05
CP1100x4
CN6
1
2
3
4
5
6
R23
0
R24
0
C35
0.1u
R2
9
0
R2
8
0
C4
7
0.1
u
C40 47p
C3647p
IC4
R2A20178NP
1V
IN2
2V
DD
3L
D
4C
LK
5D
I
6V
IN3
7VoUT3
8VoUT4
9VIN4
10VIN5
11VoUT5
12VoUT6
13
VIN
6
14
VD
AR
EF
11
5V
DA
RE
F2
16
RE
SE
T1
7G
ND
18
VIN
7
19VoUT7
20VoUT8
21VIN8
22VIN1
23VoUT1
24VoUT2
R18
39k
C16
1000p
C1
3
10
0p
TH
1
C1
9
0.1
uC
21
0.0
1u
IC1TC75W51FK(F)
ASQ BPF
1 oUTA
2 IN-A
3 IN+A
4 VSS 5IN+B
6IN-B
7oUTB
8VDD
R1
71
00
k
R1
9
22
0k
R9
33
k
C220.22u
R4
82
k
R2
10k
R1
53
.3k
C2
5
C5
0.1
u
C1
0
10
0p
C2
0
10
00
p
R14
330k
D2KDR731
R8
15
k
C2
68
0p
KTC4075E(Y,GR)Q3
R1
1
33
0k
R1
3
47
0
C3
27
p
C6
1000p
R2
0
22
0k
C8
S1S70-0516-05
C11
680p
SSM3K15TE(F)Q2
R1
2
33
0k
C30
1u
R21
56k
C3
2
12
00
p
R22
56k
C3
8
18
0p
R26
68k
R1
6
47
R10
0
IC2TC75W51FK(F)
1 oUTA
2 IN-A
3 IN+A
4 VSS 5IN+B
6IN-B
7oUTB
8VDD
C39
0.1u
CN5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
R3
7
15
0k
C6
2
10
0p
C71
0.1u
R47
22k
R78
6.8k
R77
10k
R79
56k
C9
2
10
00
p
R81 0
C7
31
0u
R82
R88
0
C5
2
0.1
u
2SC4738(GR)FQ4
R40
10k
D3DA221
R4
1
68
k
C5
3
0.1
u
D4DA221
R39
10k
C6
3
1u
C6
4
1u
R4
2
68
k2SA1832(GR)F
Q5
PTT Side 2Side 1
GND
+-
+ -
PTT
/S1
/S2
/EMG
GNDEMG
(0V-1.65V)
(0V-3.3V)
X54-3760-XX
-10 NO
-11
-12
NO
3.3k
47p
47p
47p
47p
47p
47p
47p
0.2
2u
1000p
SB2
LEDG
LEDR
33M
33A
33M
D/A CONV
AGC DETD3,4
MIC AGCQ4,5
VCO MOD/VREF
AF LPF/MIC AMP
SQL NOISE AMP
BW SW
NOISE DET
50C
50C50C
33A
C15 0.01u
C3
7
47
00
p
PTT SECTION(X54-3760-XX) (B/3)
TX
-RX
UN
IT(X
57-8
050-
XX
)
C
N3
TX
-RX
UN
IT (
X57
-805
0-X
X)
CN
2
1
*
***
NO
R84 R85 R86
0
0
NO NO
NO
NONO
0
R82
10
0k
K,K4,E3
K3,K6,E
K2,K5,E2
DISPLAY UNIT (X54-3760-XX) (A/3)
90
NX-320 SCHEMATIC DIAGRAM
X57-805 1/8
K L M N O
3.30V
3.30V
3.30V
3.30V
5.0V
T:7.27VR:7.48V
D
D
D
D
D
D
D
D[9]
D[1
4]
D[1
2]
D[1
0]
D[8
]
D[7
]D
[5]
D[2
]A[2]A[6]A[18]
A[10]A[14]A[1]A[5]A[20]A[19]A[11]A[15]
A[16]
D[13]D[15]
D[1]D[3]D[4]D[6]
/WP
/WR
A[7
]A
[3]
A[9
]A
[13
]A
[4]
A[1
7]
A[8
]A
[12
]
D[11]A[16]A[15]
A[9]A[10]A[11]A[12]A[13]A[14]
A[0
]A
[1]
A[3
]A
[6]
A[8
]
A[2
]
A[4]A[7]
A[5]
D[6
]
D[1]
D[5]D[0]
D[4]
D[0
]/F
RS
T
D[3
]
D[2
]D
[7]
/RD
/CS
0
33MSRAM
33
MF
A[0]
I2CCK
SPAF
MIC
VOX
BEEP
MICI
RXAFDISP_VER
SDO0
SCK0
/LCDCS
/EVCS
SDI0
RXAF_2
MOD
VOICE
/WR
/CS
2
/RD
TV1
ASQ
I2CSDA
TV2
SB2
33M
33M
ASQAPC
33A
33A
IC601
A1
A3
A2
A7
A3
RY
/BY
A4
WE
A5
A9
A6
A1
3B
1A
4B
2A
17
B3
WP
/AC
CB
4R
ES
ET
B5
A8
B6
A1
2 C1A2
C2A6
C3A18
C4A21C5A10C6A14D1A1D2A5D3A20D4A19D5A11D6A15
E1
A0
E2
DQ
0E
3D
Q2
E4
DQ
5E
5D
Q7
E6
A1
6F
1C
EF
2D
Q8
F3
DQ
10
F4
DQ
12
F5
DQ
14
F6
NC
G1oE
G2DQ9
G3DQ11
G4VCC
G5DQ13
G6DQ15
H1VSS1
H2DQ1
H3DQ3
H4DQ4
H5DQ6
H6VSS2
C6
70
0.0
1u
C668
IC607XC6119C29ANR
RESET
1VIN
2VSS
4VoUT
3 CD
C663
1u
C653
0.01u
C652
1u
IC605
A1
A0
A2
A1
A3
CE
2A
4A
3A
5A
6A
6A
8B
1D
Q4
B2
A2
B3
WE B4
A4B5A7B6DQ0
C1DQ5
C3NC1
C4A5
C6DQ1
G2
oE
G3
CE
E1
VC
C2
E6
VS
S2
F1
DQ
6F
3N
C2
F4
NC
3F
6D
Q2
G1
DQ
7
H3A11
H4A12
G4A16
G5A15
G6DQ3
H1A9
H2A10
D1VSS1
D6VCC1
H5A13
H6A14
R618
470k
C6
55
10
00
p
CN
60
4
L609L
60
7
L617
R619
10
R620
10
C6
07
0.0
1u
R6
57
10
k
R664
15k
C603
0.01u
R660
82k
C601
100p
C604
0.068u
R658
10k
R656
56k
R659
56k
C6
08
0.0
1u
C602
0.1u
R661
180k
R6
63
22
k
C642
C616 47p
C640
C643
C622 47p
C618 47p
C638
C639
C631 47p
C644
C641
C620 47p
C628 47p
IC904
TC75S51FE(F)
1IN+
2VSS
3IN-
4 oUT
5 VDD
R653
0
C606
0.01u
R662
10k
C605
0.1u
R655
0
CN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
R690
0
IC613KXSD9-2050
1 IOVDD
2DNC
3AUXIN
4 GND
5V
DD
6NCS
7MOT
8ADDR/SDI
9SCL/SCLK
10
SD
A/S
D0
C7
00
0.0
1u
C701
0.1u
R668
10k
C6
69
0.0
47
u
FLASHSRAM
47p
47p
47p
47p
47p
47p
47p
0.01u
TX-RX UNIT (X57-8050-XX)
VCO_MOD
TV1
TV2
MEMORY
MOTION SENSOR
OP AMP(BEEP/AF)
50C
50C
VCO_MOD
SB2
SB2
33A
DIS
PLA
Y U
NIT
(X
54-3
760-
XX
) (A
/3)
CN
5
2
3
RESET
4
5
6
47pC623
C614 47p
91
SCHEMATIC DIAGRAM NX-320
X57-805 2/8
TSRQP
1.50V
3.0V
D
D
A-T
DI
A-T
MS
A-T
Do
A-/
TR
ST
A-T
CK
D-T
DI
A[7]
D-/
TR
ST
A[8]
D-T
CK
A[9]
D-T
MS
A[10]
D[3]
MC
DO
AF
D[4]D[5]D[6]D[7]D[8]D[9]
/MC
CS
AF
A[11]
D[10]
A[12]
D[11]
A[13]
D[12]
A[0]
D[13]
A[1]
D[14]
D[2]
A[2]
D[15]
D[0]
A[3]
D[1]
/DIN
T
MC
DIA
F
/DW
UP
A[4]D
-EM
U0
D-E
MU
1
A[5]
D-T
DO
A[6]
PL
LM
OD
/PC
S_
DS
P
/SY
MT
IM
FSDET
MC
SC
KA
F
/MCCSXCN
MCSCKCNMCDICN
HOST_RDY
15MDSP
A-R
TC
K
A[20]
33MDSP
/DR
ST
/HD
S2
/RD
/CS
3
/HR
DY
/WR
PC
K_
DS
P
PTT2
L602
L6
11
1 10
L604
L603
R6
06 1k
C6
58
0.1
u
C648
C6
57
0.1
u
C646
R6
10
R6
12
10
0
R6
17
10
0
IC603
E1
0N
C_
2C
3N
C_
1B
4T
IN/T
oU
T0
F5
CL
Ko
UT
F1
X1
J14
TM
SJ1
3T
CK
J12
TR
ST
K1
4T
DI
K1
3T
Do
K1
2E
MU
1/o
FF
K1
1E
MU
0H
12
RE
SE
TF
12
INT
4F
14
INT
3G
10
INT
2G
13
INT
1G
14
INT
0A
10
DR
2C
9F
SR
2A
9C
LK
R2
A1
1D
X2
D1
0F
SX
2B
10
CL
KX
2D
8D
R1
A7
FS
R1
D7
CL
KR
1E
9D
X1
E8
FS
X1
C8
CL
KX
1D
6D
R0
A5
FS
R0
B5
CL
KR
0E
7D
X0
B6
FS
X0
C6
CL
KX
0G
4H
R/W
G2
HIN
ITH
1H
RD
YJ1
HC
NT
L0
J4H
BE
0K
2H
BE
1K
3H
CS
L3
HD
S1
L2
HD
S2 L13
D[15] L12D[14] L11D[13]
M14D[12]N12D[11]P12D[10]
L10D[9]
N11D[8]
P11D[7]
M10D[6]
P10D[5]
L9D[4]
M9D[3]
P9D[2]
K8D[1]
L8D[0]
G3A[20]
H3A[19]
K1A[18]
P5A[17]
P7A[16]
M8A[15]
K9A[14]
N3A[13]
P3A[12]
L4A[11]
N4A[10]
P4A[9]
L5A[8]
N5A[7]
L6A[6]
M6A[5]
P6A[4]
K6A[3]
K7A[2]
M7A[1]
L7A[0]
H11A’[0]
F2X2/CLKIN
A2VSS_1
B1
VSS_2
B9
VSS_3
B11
VSS_4
C2
VSS_5
C5
VSS_6
C7
VS
S_
7
C1
1V
SS
_8
D1
1V
SS
_9
E4
VS
S_
10
E5
VS
S_
11
E1
3V
SS
_1
2
F4
VS
S_
13
F1
1V
SS
_1
4
K4
VS
S_
15
K5
VS
S_
16
M3
VS
S_
17
M5
VS
S_
18
M1
3V
SS
_1
9
N1
VS
S_
20
N2
VS
S_
21
N9
VS
S_
22
N1
0V
SS
_2
3
N1
4V
SS
_2
4
P1
VS
S_
25
P2
VS
S_
26
G1
2U
SB
PL
LV
SS
E1
2A
DV
SS
B1
4A
VS
S_
1
C1
3A
VS
S_
2
A4
DV
DD
_1
A8
DV
DD
_2
D9
DV
DD
_3
E3
DV
DD
_4
E6
DV
DD
_5
F1
3D
VD
D_
6
H2
DV
DD
_7
H1
0D
VD
D_
8
J2D
VD
D_
9
K1
0D
VD
D_
10
M1
2D
VD
D_
11
N6
DV
DD
_1
2
N1
3D
VD
D_
13
P8
DV
DD
_1
4
P1
3D
VD
D_
15
P1
4D
VD
D_
16
A6
CV
DD
_1
B2
CV
DD
_2
B7
CV
DD
_3
B8
CV
DD
_4
C1
0C
VD
D_
5
G1
CVDD_6
J5
CVDD_7
J10
CVDD_8J11
CVDD_9L1
CVDD_10L14CVDD_11M4
CVDD_12M11 CVDD_13
N7 CVDD_14N8 CVDD_15
G11 USBPLLVDDD2 USBVDD
F10ADVDD
C14AVDD
A13RDVDD_1
B13 RDVDD_2A14
RDVDD_3C12
RCVDD_4D14 AIN[0]D13 AIN[1]D12 AIN[2]E11 AIN[3]C1 PUD4 DPD3 DN
H13 SDAH14 SCLA12 RTCINX1B12 RTCINX2
M2 GPIo13M1 GPIo12J3 GPIo11H5 GPIo10H4 GPIo9G5 GPIo8D1 GPIo7C4 GPIo6D5 GPIo5A3 GPIo4B3 GPIo3E2 GPIo2E1 GPIo1F3 GPIo0
E14 XF
C6
60
0.1
u
C6
59
0.1
u
C650
1000p
C6
61
1u
R6
11
C647
R6
13
R6
09
C649 1000p
R6
04
1k
R616
4.7k
1D
-TM
S
D-/
TR
ST
D-T
DI
33
MD
SP
D-T
DO
D-T
CK
D-E
MU
0
D-E
MU
1
R615
4.7k
C665 47p
C666 47p
C664 47p
C667 47p
R6
14
CN
3
1 2 3 4 5 6
TP
60
1
CP602 10kx4
CP601 100kx4
100kx4
CP605100kx4
R6
49
10
0kTP
60
4
TP
60
5
TP
60
6
TP
60
7
TP
60
8BE
RD
T
TP
60
9BE
RC
K
R6
65
0
C609
C610 10u
CP
60
71
00
x4
/S1
/EM
G
PT
T
/S2
GN
D
GN
D
13
0.1u
0.1u0.01u
10
0 00 10
01
00
10u
DSP
CP603
50C
VCO_MOD
SB2
33A
33M
15M
33M
X2/CLKIN
HINIT
33MAS
50C
33M
RESET33A
/EMG
SB2
KEYI0KEYI1
AS
QD
ET
PTT SECTION(X54-3760-XX) (B/3) CN6
2
3
RESET
4
5
6
3
2
4
10
5
6
7
8
AS
QD
ET
X2/CLKIN
TX-RX UNIT (X57-8050-XX)
92
NX-320 SCHEMATIC DIAGRAM
X57-805 3/8
U V W X Y
0.03V3.30V
D
D
D
D
D
D
D
D
D
D
D
D
D
DD
BE
EP
MCSCKAF
MCDIAFMCDOAF
/MCCSAF
MCDICN
/SAVE
D[0]D[1]D[2]
D[4]D[5]D[6]
D[9]D[10]D[11]
D[15]
/WR
/DINT
FSDET
AU
D_
VR
EF
C
/DWUP
/EMG/HRDY/HDS2
/CS0
/CS3
A[0]A[1]A[2]
A[3]A[4]A[5]
A[11]
A[7]A[6]
A[8]A[9]A[10]
A[13]
A[16]
A[12]
A[14]A[15]
A[17]A[18]A[19]A[20]
D[3]
D[7]D[8]
D[12]D[13]D[14]
/RD
TXC
/DRST
/T_RRXC
SD
O1
SBC
IF_DET
/CS2
MCSCKCN
PLD
RX
AF
MIC
MO
D
A-T
DI
A-T
MS
A-T
Do
A-T
CK
A-/
TR
ST
A-R
TC
K
33MC
AFSW
RS
SI
TH
P
AS
QA
PC
S-D
ET
HOST_RDY
CV
BA
TT
VO
L
PDSW
OPTDET
ASSIST
VO
ICE
DD
CL
K
TX
D0
/PC
S
/MCCSXCN
I2C
CK
/WP
/EV
CS
SD
O0
SC
K0
SC
K1
DIS
P_
VE
R
/LC
DC
S
ENC4ENC3
ENC2ENC1
VO
X
5VC
SD
I0
15
MA
S
/DSW
EXTMICSW
/BINT/PSW
/APCSWT
EM
P
PT
T/R
XD
ASQDET
/SYMTIM
I2C
SD
A
33AA
33MAS
33
MA
S
RESET
A4XTALIB4XTALoA10
32IA12
DSPCKB11
CKoA11
USRCKIH18
ADD0J18
ADD1K18
ADD2L18
ADD3M18
ADD4N18
ADD5J17
ADD6K17
ADD7M17
ADD8N17
ADD9P17
ADD10K16
ADD11L16
ADD12M16
ADD13P16
ADD14J15
ADD15K15
ADD16M15
ADD17N15
ADD18P15
ADD19J16
ADD20H15
ADD21G17
DT0H16
DT1G15
DT2F18
DT3F17
DT4G16
DT5E18
DT6E17
DT7F16
DT8D18
DT9D17
DT10B15
DT11D16
DT12C15
DT13D15
DT14E15
DT15A15
WRITEA16
READB14
BHEC14
BLEA13
CS4D13
CS3C13
CS2B13
CS1A14
CS0B12
HRADYD14
HDS2R18
TXD0T18
RXD0R16
RTS0R15
CTS0U15
TXD1T15
RXD1V15
TXD2V14
RXD2T14 TXD3
R1
4R
XD
3A
9S
CK
C1
0S
DT
V4
SP
CK
0U
5S
PI0
T6
SP
o0
V5
SP
CS
00
U4
SP
CS
01
T4
SP
CS
02
V6
SP
CK
1U
7S
PI1
T8
SP
o1
V7
SP
CS
10
U6
SP
CS
11
T5
SP
CS
12
G3
AD
C4
H1
AD
C5
H2
AD
C6
H3
AD
C7
J1A
DC
8J2
AD
C9
J3M
ICV
RK
1S
PD
AC
K2
MIC
AD
C0
K3
Mo
DD
AC
L2
MIC
AD
C1
T10
KE
YI0
R9
KE
YI1
V11
KE
YI2
U1
0K
EY
I3T
11
KE
YI4
V1
2K
EY
o0
U1
1K
EY
o1
T1
2K
EY
o2
V1
3K
EY
o3
U1
2K
EY
o4
R4
PW
M1
P4
PW
M2
V8
TI
R1
0T
DI
R1
2T
MS
R1
1T
Do
T1
3T
CK
U1
4T
RS
TU
13
RT
CK
H1
7B
SC
AN
0E
16
BS
CA
N1
P1
8R
ST
R1
7R
ST
oG
18
TE
ST
0L
17
TE
ST
1N
16
TE
ST
2L
15
TE
ST
3V
3B
oo
TC
2S
QD
AC
F1
AD
C0
F2
DA
C0
E1
IFR
G2
AD
C3
G1
AD
C2
D2
FC
DA
DC
E2
IFA
DC
PE
3IF
AD
CN
D1
IFV
R R3AGCDAC A8MCCK0
D11MCI0
B9MCo0
B10MCCS0
A7MCCK1
B8MCI1
C9MCo1
B7MCCX1
D9MCCR1
C8MCCK2
D10MCCS2
C7MCo2
D7VoINT
D8VFRM
N1RSSIT
M3PSRPLL
M2PSRIF
L4PSRRF
P1RXSLT
N2RXRVE
N3PSTPLL
R1PSTIF
M4PSTPA
P2TMoD
P3TRAMP
R2TXRVE
R6FSDET
R5SYMTIM
C12SIMDT
D12SIMCK
C11SIMRST
T9GPIo0
V9GPIo1
U9GPIo2
V10GPIo3
T7GPIo4
R7GPIo5
R8GPIo6U8
GPIo7A6
GPIo8B6
GPIo9C6
GPIo10B5
GPIo11E8
DVDD1E9
DVDD2F14
DVDD3G14
DVDD4M14
DVDD5N14
DVDD6P10
DVDD7P9
DVDD8N5
DVDD9M5
DVDD10E7
DVDIo1E13
DVDIo2H14
DVDIo3L14
DVDIo4P11
DVDIo5P6
DVDIo6L5
DVDIo7E10DGND1E11
DGND2E12
DGND3
J14
DG
ND
4K
14
DG
ND
5
P1
3D
GN
D6
P1
2D
GN
D7
P8
DG
ND
8
P7
DG
ND
9
B3
DG
ND
10
A5
DG
ND
11
C4
DG
ND
12
T2
DG
ND
13
C1
7D
GN
D1
4
U1
6D
GN
D1
5
D3
AV
CC
1
E4
AV
CC
2
V1
6N
C3
6
F4
AV
CC
4
G4
AV
CC
5
H4
AV
CC
6
T3
NC
35
K4
AV
CC
8
L3
AV
CC
9
M1
AV
CC
10
U3
NC
34
E5
AG
ND
2
F5
AG
ND
3
G5
AG
ND
4
H5
AG
ND
5
J5A
GN
D6
K5
AG
ND
7
L1
AG
ND
8
E6
AG
ND
9
A1
NC
1
A2
NC
2
B1
NC
3
B2
NC
4
A1
7N
C5
A1
8N
C6
B1
7N
C7
B1
8N
C8
U1
7N
C9
U1
8N
C1
0
V1
7N
C1
1
V1
8N
C1
2
U1
NC
13
U2
NC
14
V1
NC
15
V2
NC
16
A3
NC
17
C3
NC
18
C5
NC
19
B1
6N
C2
0
D4
NC
21
D6
NC
22
C1
6N
C2
3
C1
8N
C2
4
F1
5N
C2
5
R1
3N
C2
6
T1
6N
C2
7
T1
7N
C2
8
N4
NC
29
T1
NC
30
F3
AD
C1
J4M
ICIR
AU
D_
IRE
FC
D5
IFIR
AD
12
_IR
EF
F
R6
36
10
0k R638
18k
C6
75
0.1
u
C6
83
0.1
u
C689 0.1u
C687
C688 1u
C692
C693 0.1u
C691
C680 1u
C681 0.1u
C679 0.01u
IC609SM5023CNDH-G
1INHN
2XT
3VSS
4 Q5 VDD6 XTN
R629
22
C6
73
0.1
u
R630
470k
C674
0.01u
R6
32
10
0k
R6
28
22
R624
4.7k
R625
4.7k
R6
35
10
k
C6
86
3p
X601L77-3015-05
1VC
2GND
3 oUTPUT
4 VCC
C6
78
0.0
1u
CN607
C6
97
10
00
p
R642
C6
96
R641 1k
L613
L6
16
C6
84
68
00
p
C6950.01u
R640
1k
L6
15L614
R633
1k
CN
60
8/F
LD
M
CN
60
9
R6
23
10
k
SS
M3
K1
5T
E(F
)
Q6
02
R6
50
47
0k
R6
37
10
0k
CP
60
80
x4
R6
66
R6
67
CP
60
61
00
kx4
CP610
C6
85
10
uC6
77
10
u
R631
1k R6
39
0
IC610
PCB version
0.1u
0.01u
1u
10
00
p
1k
BUFFER(CLOCK)
ASIC
Q602
DC SWITCH(SYSTEM)
0
0
15M
33M
X2/CLKIN
HINIT
50C
33M 33M
33ARESET
SB2KEYI0KEYI1
50C
33A
15M
33A
BATT
PCK_RF
SCK1
PCK_DSP
33M
33M
/PCS_DSP
/PCS
SB2
18.432MHz
100kx4
3
2
10
5
4
6
7
8
/PCS_RF
5
6
33M
AS
D
/FR
ST
C6
82
10
00
p
R6
34
1k
CN611
TX-RX UNIT (X57-8050-XX)
93
SCHEMATIC DIAGRAM NX-320
X57-805 4/8
ADACABAAZ
5.00V
3.30V
R:7.50VT:7.31V
R:2.05VT:1.99V
R:7.48VT:7.27V
3.30V
3.30V
1.50V
7.50V 7.49V
3.83V
T:3.30V
D
D
D
/PCS_RF
PCK_RF
PCK_DSP
15M
VO
L
EN
C1
EN
C2
EN
C4
EN
C3
SB
C
38
M
S-D
ET
SB1
33C
/PCS_DSP
/PCS
SCK1
BATT
33A
33A
R5
44
10
k
D508DAN222
R546
10k
C5
38
Q509EMD12
R5
16
10
kR
51
7
47
0k
R5
18
47
0k
SSM3K15TE(F)Q502R511
470
C5
36
68
00
p
R5
13
33
k
C5
32
56
p
C5
27
10
u
L509
15u
D5
06
HR
B0
50
2A
R542
470k
R5
39
47
0k
R530
100k
R531
100k
R532
100k
R543
470kR533
100k R5
40
47
0k
Q507
SSM6N16FE-F
Q506
SSM6N16FE-F
IC6
12
TC
7S
H0
8F
U-F
1IN
B
2IN
A
3G
ND
4o
UT
Y
5V
CC
C6
98
0.0
1u
C5
08
1u
IC5
07
XC
61
CC
56
02
N-G 1
Vo
UT
2V
IN
4V
SS
3N
C
C5
37
4.7
u
IC506LT1616ES6-PBF
1B
oo
ST
2G
ND
3F
B4
SH
DN
5V
IN
6S
W
D5
05
1S
S3
88
F
C5
26
10
u1
0
R5
24
47
0k
L506
R510
10
R507
68k
C5
16
0.1
u
D502
1SS388F
L508
C5
25
10
00
p
R5
53
0
L5
05
2SJ648-AQ501
C5
23
47
0p
C5
10
C5
14
4.7
u
L503
4.7u
C5
21
10
u
C5
24
1u
L504
C5
29
1u
C5
30
1u
C5
19
10
00
p
C5
35
10
00
p
IC5
04
XC
62
09
B5
02
P-G
AVR(50C)
1N
C
2V
SS
3C
E4
VIN
5V
oU
T
C5
34
10
00
pD5
01
1S
R1
54
-40
0
C5
06
22
p
F1
C5
28
1u
C5
22
0.2
2u
R508
1k
IC505XC6209B332M-G
AVR(33C)
1 VIN
2 VSS
3 CE4NC
5VoUT
IC503XC9235A15CM-G
DC/DC(15M)
1VIN
2VSS
3CE/MoDE4VoUT
5LX
C5
03
10
00
p
R501
270k
R5
05
18
0k
C5
13
68
00
p
C5
17
1u
C5
09
1u
C5
15
1u
R646
0
R647
0
C6
99
0.0
1uIC
61
1T
C7
SH
08
FU
-F
1IN
B
2IN
A
3G
ND
4o
UT
Y
5V
CC
CN502+B
IC5
02
NJ
M2
87
8F
4-3
3
1C
oN
TR
oL
2G
ND
4V
IN
3V
oU
TIC
50
1
NJ
M2
87
8F
4-3
3
1C
oN
TR
oL
2G
ND
4V
IN
3V
oU
T
R547
0R
51
5
15
0k
R5
14
39
0k
C5
33
10
00
p
R503
C501
C502
CP
50
1
10
0kx
4
C552 470p
CN504
C504 6800p
CN505GND
C548
R5
04
2.2
kC550
L502
C551 470p
C5
53
R509 2.2k
C599
R520
2.2
C5
39
R5
12
68
k
C5
58
10
u
L511
1u
R554
1
CN1
1 +B
2 SB1
3 NC
4 33A
5 VOL
6 VOL_GND
7 ENC3
8 GND
9 ENC4
10 ENC2
11 ENC1
+
-
S
R3
1-0
68
5-0
5S
60
-04
48
-05
DC/DC (38M)
470p
470p
470p
470p
470p
47
0p
47
0p
1000
p
C5
40
10
u
0.0
1u
D505,506
DC/DC CONV
LEVELE CONV
LEVELE CONV
AVR (33A)
AND GATE
AND GATE
AVR (33M)
SPEED UP
REVERSEPROTECT
DC/DC CONV
DC/DC CONT(100C)
DC SW(SB2)
VOLTAGE DET(BATT)
DC SW CONT(SB2)
33M
33M
50C
33A
50C
33A
SBC
/BINT
/PSW
+B
33M
33M
SB2
50C
50C
+B
C5
41
470P
R5
45
47
0k
Li-ionBATTERY
VR
1S
101
F53-0324-05
2.5A
5
6 6
5
5
SB2 +B
C5
57
47
0p
0
TX-RX UNIT (X57-8050-XX)
94
NX-320 SCHEMATIC DIAGRAM
X57-805 5/8
AE AF AG AH AI
9.36V
4.97V
R:0VT:4.95V
R:4.87VT:0V
R:3.30VT:0V
R:0VT:3.30V
3.30V
5.0V
-t
-t
RX
C
/PSW
PLD
CV
AS
SIS
TTEMP
TX
C
AS
QA
PC
THP
SDO1/PCS_RFPCK_RFPLLMOD
/BINT/S
AV
E
DD
CL
K
SBC
33C
10
0C
50
C
R5
29
0
R407
10 C4
11
0.0
1u
C4
08
0.0
1u
X401L77-3073-05
1 GND1
2 GND23oUTPUT
4VCC
C4
06
10
p
R408
1k
C4
09
10
p
L401
4.7u
C4
05
10
0p
C418 100p
L402
C422
100p
R415
10
C416
C421
0.1u
C417 100p
R4
14
1k
R412
10
R411
10
C487 470p
C424
100p
C413 0.01u
C4
88
47
0p
C423
0.1u
C425
100p
C420
100p
R413
47k
C419 100p
CP401
IC403SKY72310-362
7N
C
8O
SC
_A
C_
GN
D
9O
SC
in
10
OS
Co
ut
11
VC
C_
OS
C1
2G
ND
_O
SC
13NC_1
14NC_2
15NC_3
16NC_4
17NC_5
18NC_6
19
VC
C_
dig
ital
20
DA
TA
21
CS
22
CL
OC
K
23
MO
Din
24
MU
Xo
ut
1VCC
2Fin
3Fin
4LD/PS
5VCCcp
6CPout
25
GN
D
CN401
R422
10M
C4
34
10
0p
IC404TC75W51FK(F)
1
2
3
4 VSS5
6
7
8VDD
C4
10
10
0p
R4
20
47
k
D401DA221
IC402XC221A1200MRG
1 VoUT
2 VDD
3 IN+ 4IN-
5VSS
R4
10
12
0k
R4
26
47
k
C429
0.01u
R423
470k
C439
R4
09
1k
C4
32
0.1
u
R4
27
68
k
C4
02
2.2
u
R404
47
R5
02
2.7
k C5
12
10
00
p
Q511
RT1N441U-T111
C5
07
47
0p
C5
11
1u
2SA1955A-FQ505
D5
09
1S
S3
88
F
D5121SS416
C5
45
1u
R5
19
10
k
R5
06
10
0
IC509
TC7W53FK(F)
1 CoMMoN
2 INH
3 VEE
4 GND 5A
6CH1
7CH0
8VCC
C5
18
1u
Q510RT1N141U-T111
D5111SS416
C543
1u 16
R5
49
47
0k R551
1k
R5
50
47
0k
Q512SSM6L05FU-F
R4
63
22
0k
R46418k
C444
R4
62
1k
R4
32
12
0k
C483
1000p
C442
47p
R4
00
47
R467
0
C484
470p
L425C
40
1
0.0
1u
TH
40
2
10
0k
R548
100
R552
100
R468
1kC4
31
10
0p
R469
Q503
EMD5
C5
20
0.1
u
C5
49
0.1
u
C5
55
47
0p
C4
86
10
0p
R4
33
0
TH
10
1
10
0k
L120
C1
30
47
0p
DC AMP(ASSIST)
-
-
+
+
+
CV
-
DC AMP (CV/APC)
100p
1000p
0.1u
PLL SYSTEM
BYPASS
DC SW(50T)
REVERSECURRENTPROTECT
DC SW CONT(50T)
DC SW(50R)
DC SW(50CS)
DC/DC (100C)
DC/DC CONV
D511,512
DC/DC CONT(38M)
C5
05
470p
33A
+B
33C
50C
+B
33A
50CS
50T
50R
100k
CPout
10x4
16.8MHz
6 6
5
5
Fin
OS
C
OSCAPC
5
CV
BYPASS
C4
15
0.0
1u
C4
12
10
p
C414 0.01u
33C
C43
0
100P
C5
54
470p
TX-RX UNIT (X57-8050-XX)
95
SCHEMATIC DIAGRAM NX-320
X57-805 6/8, X54-376 (C/3) 1/1
ANAMALAKAJ
R:4.78VT:4.78V
R:1.30VT:1.30V
R:1.80VT:1.80V
R:3.85VT:3.82V
R:0.75VT:0.72V
R:0VT:4.14V
R:4.18VT:0V
R:3.30VT:0V
R:4.20VT:4.16V
R:4.87VT:4.84V
R:7.45VT:0.27V
R:7.49VT:7.29V
R:3.29VT:0V
T:3.82V
7.49V
R:4.07VT:0V R:1.25V
T:0V
R:0VT:3.98V
R:0VT:1.15V
OPTDET
PTT2
SPAF
EXTMICSW
MICI
AFSW
50V
PTT/RXD
TXD0
5V
C
50CS
50CS
50CS
+B2
R417
0
C4
26
0.1
5u
35
R4
18
12
0
C4
27
10
u2
0
R4
16
0
R419
390
L4
03
C4
28
0.0
47
u3
5
R4
21
10
k
D902
DAN222
C9
07
10
u
C9
09
0.0
47
u
C908
100p
C9
21
10
0p
C9
10
1u
C906
0.1u
C9
04
22
0p
C903
1u
2SK3577-AQ904
C9
20
10
00
p
2SK3577-AQ905 R913
100
2SA1362-F(GR)Q902
J2
R912 680
IC9
02
XC
62
09
B5
02
P-G
_9
1N
C
2V
SS
3C
E4
VIN
5V
oU
T
C9
18
10
0p
C9
15
10
0p
IC901
TA7368FG
1 NC1
2 VCC
3 NC2
4 VIN
5 RIPPLE6NF
7PHASE
8PRE-GND
9PW-GND
10PoUT
Q901RT1N141U-T111
R9
09
27
0k
C9
16
10
0p
C9
23
47
p
C9
13
1u
C9
02
10
00
p
R9
06
15
0
R905
470k
R9
03
47
k
C9
05
1u
C914
100u6.3
R9
07
10
k
Q903
RT1N441U-T111
J1
R9
10
47
k
R9
08
33
0k
R9
02
56
k
R901
10k
C9
22
10
00
p
R9
04
2.2
k
C9
17
10
00
p
R911
27k
C9
01
10
00
p
R9
14
5.6
k
L4
09
L4
17
C480
0.1u
C4
69
R447
2SC5383-T111Q403
C481
470p
C475
10p
C4
38
10
0p
R448
470k
C467
0.5p
D4
15
1SV
282F
MCH3914(8)-HQ402
L4
22
C473
5p
C4
70
10
00
p
D409
1SV282F
R441
470k
C4
54
L4
24
22
n
R4
39
4.7
k
C4
43
1u
L405
220n
C466
0.5p
L404
SSM3J05FU-FQ407
R4
60
2.2
k
C4
62 C4
68
5p
D4
05
1SV
282F
R4
40
10
0k
R4
52
10
0
D407
1SV282F
R429
0
C4
60
4.7
u
2SC5108(Y)FQ405
D4
02
1SV
282F
R446
22
R4
36
L4
08
22
0n
2SC5636Q408R
45
6
10
k
C4
64
47
0p
C4
37
10
0p
C4
53
0.5
p
D4
10
1S
V2
78
F
L4
12
22
0n
C4
50
10
u
MCH3914(8)-HQ401
C4
74
47
0p
C446
180p
R4
61
47
D4
14
HS
C1
19
R4
58
6.8
k
Q406SSM6L05FU-F
C482
R4
59
33
0
D4
11
1SV
282F
C447L
41
0
D4
04
1S
V3
23
F
L4
13
C471
L4
11 C
45
9
3p
C441R451
150k
C4
49
R4
50
47
k
C4
78
47
0p
R4
38
47
k
C477
R428
0
D4
03
1S
V3
23
F
C4
56
4p
L9
01
D901
1SS416
Q906RT1N141U-T111
CN41
2
3
4
L902
L903
F2
F53-0319-15
R9
19
10
0k
RX
D
TX
D
C440
Q907
UPA672T-A
R9
20
47
k
R9
21
6.8
k
L4
23
56
n
R4
37
47
k
C457
C4
91
10
0p
C4
92
10
0p
C9
27
47
p
R4
49
1k
MICIPTT/RXD
SPO
AE
OPTDET
SPI
50V
MICO
TXD
TX VCO
RX VCO
7u
ASSIST TUNED402,405,408,409
RX VCO TUNE
TX VCO TUNE
ASSIST TUNED406,407,411,415
T/R VCO SW
T/R VCO SW
BUFFER AMP
RIPPLE FIL
SPEEDUP
BUFFER AMP
TX MOD
AVR (50V)
50V SW CONT
LEVELE CONV
DC SW(AF PA AMP)
EXT/MIC SW
AF POWER AMP
DC SW(AF MUTE)
DC SW(AF MUTE)
AF POWER MUTEQ904,905
REVERSECURRENTPROTECT
D901
470p
5P
+B
+B
33A
50CS
50T
33A
50T
50R
0.5p
22
0n
CPout
50R
A
C9
1
47
0p
MIC1
T91-0673-05
MIC SECTION(X54-3760-XX)(C/3)
EXTMIC
EXTSP
1A
6
Fin
OSC OSCAPCAPC
5 5
/T_R
CV
BYPASS*
R4
70 0
R4
71
0
R472R4
34
0
L421
12n
C4
51
5P
L426
220nC455
L416D408
1SV282F
L4
18
22
0n
R4
43C
46
1
47
0p
D406
1SV282F
C4
99
L4
07
L415
C4
35
10
0p
C4
63
L4
19
R4
44
15
0
L427
C458 C4
76
47
0p
L4
06
22
0n
C4
98
*
*
*
*
*
*
*
**
*
*
*
*
* **
* *
*
*
*
* *
*
L429
C4
36
10
0p
L4
28
L904
L905
*
INTSP
R4
55
0
L404
K,K2,K3
X57-8050-XX
-10
-11 K4,K5,K6,E,E2,E3
L415 R436 R443L407 L409 L411 L413 R447 R472 C440 C441 C447 C455 C457 C458 C462 C463
180n
220n
180n 100k
82k
180
220 22
10 33
0
120p
330p
120p
470p
120p
270p
6p
8p
5p
6p
3p
4p
2p
5p
18p
10p
C477 C498 C499C471L416 L419 L422 L427
220n
180n
220n
180n
220n
180n
220n 18n
15n 18n
22n
180n
220n 33n
27n 180n
220n 8p
4p
470p
5p 0.75p
1p
NO
1p
TX-RX UNIT (X57-8050-XX)
96
NX-320 SCHEMATIC DIAGRAM
X57-805 7/8
AO AP AQ AR AS
R:0VT:1.78V
R:0VT:2.29V
R:0VT:0.81V
R:0VT:3.85V
R:0VT:3.30V
R:4.54VT:0V
R:3.33VT:0V
R:2.90VT:0V
R:1.52VT:0V
R:0.68VT:0V
RX:4.68VTX:0V
R:3.84VT:0V
R:3.44VT:0V
R:0.68VT:0V
R:1.99VT:0V
R:4.87VT:0V
R:0VT:4.98V
R:0VT:4.88V
/DS
W
PD
SW
/T_R
AS
Q
AS
QD
ET
RS
SI
+B
50T
D4
12
HS
C2
77
R4
57
4.7
k
D413
HSC277
R3
31
10
k
L308
IC302 TK10931VTL-G
1 OSC-B
2 OSC-E
3 MIXout
4 Vcc
5 AM-IFin
6 AM-DCPL
7 FM-IFin
8 FM-DCPL1
9 FM-DCPL2
10 LIMout
11 QUADin
12 FM-DETout
13AM-DETout
14AMSW
15RSSIout
16RF-AGCout
17AGCAMPout
18AM-AGCin
19NOISEin
20NOISEout
21COMPin
22COMPout
23GND
24RFin
R2
09
10
0k
C343
C313
33p
C323
0.1u
R329 22k
C3
08
10
0p
C319
0.01u
C3
18
68
p
R2
10
22
0k
C316
0.1u
C3
21
0.1
u
2SC5108(Y)FQ301
C2
02
0.0
1u
C3
50
47
0p
C3
03
0.1
u
C2
15
47
0p
L302
560n
C341 0.1u
R330 18k
C338
0.01u
R2
08
C2
04
4.7
u
R305
10
R327 10k
2SC4215-F(Y)Q303
L3
07
1.5
u
L3
06
10
0n
C3
11
15
0p
R301
560
C3
30
0.1
u
R340
560kC
20
5
47
0p
C327
10p
R335
220
R310
10k
C340 0.1uC315
0.1u
C322
0.1u
C3
02
0.0
1u R306
330k
L2
01
C339
0.1u
C3
24
10
u
R3
20
27
0k
C310 100p
CF1INoUT
C3
51
0.0
1u
C3
17
10
u
C314
0.1u
C3
32
0.0
1u
R326
100k
R328 4.7k
R2
07
10
0k
L2
06
R147
560
L1
03
22
n
C1
10
47
0p
R149
1k
R1
46
0
2SC5383-T111Q105
R1
10
10
k
C1
12
0.1
u
C1
75
0.1
u
C106C102
470p
C1
01
47
0p
C1
11
47
0p
R1
12
56
0
C1
73
47
0p
R144
27k
R1
01
4.7
k
C216
470p
L2
07
8.2
n
C354
0.01u
R3
38
10
0
R352
10k
R3
49
1k
C3
46
47
p
C3
59
47
p
R344
6.8kCN301
IC304TC75W51FK(F)
1oUTA
2IN-A
3IN+A
4VSS5 IN+B
6 IN-B
7 oUTB
8 VDD
R3
51
10
0k
R3
32
47
k
R3
41
10
0k
R1
41
47
0k
R1
43
1k
R1
42
47
0k
Q110SSM6L05FU-F
R102
0
R1
14
27
2SC4926YDQ102
C2
01
0.0
1u
R2
01
47
R203
680
C2
10
0.0
1u
R345
270
R2
05
C3
57
18
p
R346
270
C3
56
3p
C353
0.01u
C2
07
47
0p
L2
02
3SK318Q201
C360
0.01u
C2
03
47
0p
XF1 49.95MHz
C3
58
6p C
21
2
R204
4.7k
C2
14
C211
2p
C2
08
6p
C213
2pR
11
7
47
0
C1
19
47
0pR
11
8
47
RD01MUS1-T113Q103
R1
24
33
k
C114
C120
100p
R115
12
R1
16
47
0
R1
19
39
k
L104
R1
21
330
L1
06
C1
21
47
0p
C113
C1
15
R1
11
C2
09
12
p
L203
270n
C3
98
10
p
R302
1k
C301
0.01u
C307
10p
C1
09
R1
132
2
C2
17
R2
45
1k
BPF
C2
93
47
0p
C1
22
47
0p
R1
23
33
k
R1
20
22
k
C1
16
47
0p
R1
22
27
D1
01
HZ
U5
CL
L
R148
1k
C1
74
2.2
u
L204 L205
R308
0
L305
56n
L1
05
22n
C1
70
47
0p
R475
0
R3
55
8.2
k
R3
56
8.2
k
R357
820
RSSI
47
0p
56
0n
0 .47u
T/R SWD412,413
PD SW
PRE DRIVE AMP
DRIVE AMP
APC SW
APC PROTECT
IF AMP
TRIPLER
FM SYSTEM
MIXER
DC AMP (RSSI/ASQL)
33A
50T
50R
50T
50R
+B
C1
18
OSC
APC
APC
5
APC SW
R126
0
C1
24
*
R170
C107
R474
0
D2
01
1S
V3
05
FC2
19
C2
20
R2
41
1M
C2
23
47
0p
*
* *
*
**
*
* **
*
*
*
*
*
*
*
*
L1
02
*
*
C36
2
10
0p
C36
1
10
0p
5
L102
K,K2,K3
X57-8050-XX
-10
-11 K4,K5,K6,E,E2,E3 NO
R1 R2 R111 R170 R205 R208 C106
0
R2
R1**
L104 L204 L205 L206 C107 C113 C114 C115 C118 C124 C212 C214 C217 C219 C220
NO
NO NO
0
8.2n
12n
18n
18n 18n
15n 15n 18n
22n
0 2.7k
2.2k
180k270
220 150k
22p
15p 12p
15p 6p
12p
10p
22p
3p
NO
NO
12p
18p
27p
10p
12p
7p
8p
3p
4p
1p
3.5p 18p
10p
TX-RX UNIT (X57-8050-XX)
97
SCHEMATIC DIAGRAM NX-320
X57-805 8/8
Note : The components marked with a dot (•) are parts of layer 1.
7
6
5
4
3
2
1
AXAWAVAUAT
R:0VT:4.95V
R:1.95VT:0V
R:0.83VT:0V
R:4.82VT:0V
R:4.87VT:0V
7.49V
R:4.87VT:0V
R:4.86VT:0V
TV
2
TV
1IF_
DE
T
/AP
CS
W
T05T05
50
R
R3
17
1k
L210
IN oUT
D1
06
RN
14
2S
R132
0
D1
05
RN
14
2S
C1
61
L1
18
C1
81
47
0p
C1
82
0.1
u
R1
60
0
R1
69
10
0k
C1
78
47
p
R1
29
27
0
R166
0
R167
2.2k
R1
65
56
k
C1
69
0.1
u
R1
59
47
0k
R157
150k
R164
100k
C1
79
10
p
SSM3K15TE(F)Q107
R1
55
0.3
9
Q106RT1N441U-T111
R1
52
10
k
R162
10k
R1
53
0.3
9
SSM3K15TE(F)Q109
C1
77
47
0p
R1
58
0
C1
68
10
00
p
R1
61
47
0k
C1
50
47
0p
R1
68
82
k
R150
1k
R1
54
0.3
9
R156
150k
C1
80
47
0p
R1
30
27
0IC101
TA75W01FUF
1 oUT1
2 IN1-
3 IN1+
4 VEE 5IN2+
6IN2-
7oUT-B
8VCC
C2
44
47
0p
L2
11
22
0n
C2
32
0.5
p
R2
21
10
k
R2
36
R213
100k
C251
1.5p
C2
35
47
0p
C2
47
2p
C2
27
47
0p
C260
R2
26
15
0
C2
59
C2
29
C2
24
2p
L2
12
3SK318Q202
D2
04
1S
V3
05
F
C246
470p
R2
20
1M
R2
31
10
0k
D2
02
1S
V3
05
F
C2
42
0.1
u
C2
33
0.0
1u
C2
49
C2
40
47
0p
C2
25
R2
12
1M
C2
36
1u
R2
17
10
0k
D2
03
1S
V3
05
F
R2
34
10
0k
D2
06
1S
V3
05
F
R2
32
68
k
C228
R235
0
R2
16
56
k
R2
24
10
k
L2
13
68
n
C2
58
R2
27
22
0k
R2
28
10
0k
R2
37
10
0k
R225
68
IC201TC75W51FK(F)
1
2
3
4 VSS5
6
7
8VDD
SSM3J05FU-FQ108
R1
31
82
k
C1
41
C1
48
L1
09 C153
C149
RD07MUS2BT112Q104
C1
58
C1
25
15
0p
C1
56
L1
08
D103
HVC131
C1
60
C1
38
L115
4T
C1
27
15
0p
C157
C151
100p
C1
29
0.0
1u
C1
28
0.1
u
C1
44
C1
52
C1
54
L114
4T
C1
31
D102
HVC131C155
3p
L116
4T
L1
17
220n
C1
35
C1
26
1u
R1
63
27
0k
-
-
+
+
str ip l ine
APC SW
APC SW
APC SW
APC SW
FINAL AMP
ANT SW
D102,103
ANT SW
D105,106
OP AMP (APC)
RF AMP BPF TUNE
D202,203
BPF TUNED204,206
DC AMP (BPF)
50T
50R
+B
50R
C3
35
0.1
u
R321
1k
CF2C320
0.1u
R354
0
R304
0
C2
61
APC
5
APC SW
L119
C164
C1
63
R128
0
C1
36
C237 0.1u
L2
14
D2
07
1S
V3
05
F
R2
38
10
0k
C2
21
47
0p
10
0k
C2
56
C226
1p
L2
088
.2n 1 .5p
C2
30
L2
09
8.2
n
8.2
n
C2
25
47
0p
R233
0
470p
C218
R2
29
10
0k
*
*
*
*
*
* *
*
* **
* ** * **
**
**
****
*
*
*
*
*
*
L118
K,K2,K3
X57-8050-XX
-10
-11 K4,K5,K6,E,E2,E3
C148L119 L214 R132 C149 C152 C153 C154 C157 C158 C160 C161 C163 C164 C261
NO
NO NO8.2n
6.8n 47n
39n
0
6p
5p 68p
47p 2.5p
3p
2p
1p
3.5p 1.5p
1p
2.5p
5p
4p
3p 6p
4p 2p
3p
18p
C136C135C131 C138 C141 C144 C260C259C258C256C249C230
39p 33p
47p 10p
6p
8p 2p
10p
22p
7p
8p
3p
4p
1p
18p
10pNO
33p
C156
3.5p
9p
C225 C229
10p
22p
10p
20p
6p
7p
3p
4p
6p
7p
L34-4564-05
L34-4565-05
ANT
NO NO
TX-RX UNIT (X57-8050-XX)
98
NX-320 BLOCK DIAGRAM
IC601
FlashMemory SRAM
PCK_DSP/PCS_DSPPLL MOD
/DRST, /HDS2, /HRDY/DINT, FSDET, /HINT, /DWUP
/SYMTIM
MCDIAF, /MCSCKAF, /MCCSAF, MCD0AF, MCDICN, /MCCSXCN, HOST_RDY, DSP_ST,
MCSCKCN
/CS0, /CS2, /CS3, /CS4D0~D15, A0~A20, /WR, /RD
SDO0, SCK0, SDI0/EVCS, /LCDCS
SDI0DISP_VER
33M 33M
SB2
50C
33A I2CCKI2CDT
MotionSensor
33M
15M
IC605
DSPIC603
Q602SSM3K15TE(F)
IC613KXSD9-2050
ASQ
IC304(1/2)TC75W51FK(F)
ASQDET
ASQAPC
ASQAPC
VCO_MOD
TV2
TV1
RXAF_2
MOD
MIC
VOX
SPAF
IC904TC75S51FE(F)
BEEP, RXAF, VOICE
MICI
J1
J2
50V
MIC+
MIC–
SP+
SP–
CN4
VR1Volume
S101Selector
CN1
ENC1ENC2ENC3ENC4
VOL
OPTDET
AFSW
EXTMICSW
PTT/RXD
TXD0
Q901RT1N141U-T111
Q903RT1N441U-T111
IC901TA7368FG
+B
Q9022SA1362-F(GR)
Q904,Q9052SK3577-A
DC SW
DC SW
DC SW
50VQ907UPA672T-A
Q906RT1N141U-T111
+BSB133A
CN
224
-pin
Co
nn
ecto
r
/BINT, /PSW,S-DET, OPTDET
PLD
BATT, TEMP, THP, CV
CN3
PTTRXD/KEYI1/KEYI0/EMG
PTT
Side1
Side2
/EMG
ASIC
IC610
/T_R, /DSW, /APCSW, PDSW, ASSISTTXC, RXC, /SAVE, SBC, DDCLK
EXTMICSW
RSSI
IF_DET
RESET 33M
IC607XC6119C29ANR
IC304(2/2)TC75W51FK(F)
PCK_DSP
SCK1
/PCS
SD01
PLD
PLL MOD
/PCS_RF
/PCK_RF
/PCS_DSPIC612
TC7SH08FU-F
IC611TC7SH08FU-F
33C TCXO
X40116.8MHz
33M
X60118.432MHz
TXCO
33A 15M 33M
BS
HIF
T
IC609SM5023CNDH-G
Q403: 2SC5383-T111D414: HSC119Ripple
Filter50CS
T/
IC403SKY72310-362
33C
50C
PLL
LoopFilter
CV
Q406: SSM6L05FU-FQ407: SSM3J05FU-F
IC404(1/2)TC75W51FK(F)
VCO_MOD
Assist
50C
100C
BPF
BPF
ICD4
K4,K5,K6,E,E2,E3TX: 400~470MHzRX: 350.05~420.05MHz
K,K2,K3TX: 450~520MHzRX: 400.05~470.05MHz
Q3012SC5108(Y)F
x3
50R
CF2450kHz
TX-RX unit (X57-8050-XX)
PTT section(X54-3760-XX) (B/3)
EXTSP/MIC
99
BLOCK DIAGRAM NX-320111
T/R VCOSW
T/RSW
/T_R
VCO
L05FU-FJ05FU-F
(F)
100C
LPF
BPF50.4MHz
BPF
BPF
50CS
Q4082SC5636
BUFFAMP
BUFFAMP
Q4052SC5108(Y)F
IC402: XC221A1200MRGD401: DA221
05MHz
05MHz
Q401,Q402 : MCH3914(8)-HD410: 1SV278FD403,D404: 1SV323FD402,D405,D406,D407,D408,D409,D411,D415 : 1SV282-F
D412,D413HSC277
50T 50R
LPF
CF2450kHz
CF1450kHz
IF ICIC302
TK10931VTL-GIF
AMP
Q3032SC4215-F(Y)
MCF
XF149.95MHz
1stMIXER
Q2013SK318
K4,K5,K6,E,E2,E3TX: 400~470MHz
K,K2,K3TX: 450~520MHz
Q1022SC5754
Pre-DriveAMP
Q103RD01MUS1-T113
DriveAMP
Q104RD07MUS2BT112
FinalAMP
ANTSW LPF
ANT
D102,D103HVC131
D105,D106RN142S
PDSW PD SW APC SW
APC SW
APC SW/DSW
Q110SSM6L05FU-F
50T
Q1052SC5383-T111
Q108SSM3J05FU-F
APCIC101TA75W01FUF
+B
Protect
/APCSW
ASQAPC
50C
IC404(2/2)TC75W51FK(F)
50T
Q107SSM3K15TE(F)
Q106RT1N441U-T111
Q109SSM3K15TE(F)
50T
TUNETUNE TUNE D2071SV305F
D204,D2061SV305F
K4,
K5,
K6,
E,E
2,E
31s
t Lo
cal:
350.
05~4
20.0
5MH
z
K,K
2,K
31s
t Lo
cal:
400.
05~4
70.0
5MH
z
TV2
TV1
IC201(1/2)TC75W51FK(F)
IC201(2/2)TC75W51FK(F)
D201,D202,D2031SV305F
BPF BPF BPF
L207,L208,L209
RFAMP
Q2023SK318
L212,L213 L214
50R
33M
15M
33C
50V
33A
5VC
D902DAN222
IC502NJM2878F4-33
IC501NJM2878F4-33
AVR
AVR
AVR
AVR
AVR
IC503XC9235A15CM-G
IC505XC6209B332M-G
DC/DC
IC902XC6209B502P-G
BATT7.5V
+
–
SS-DET
38M
DC SW
SBCD508
DAN222
L509D505: 1SS388F
D506: HRB0502AIC506: LT1616ES6-PBF
DC/DCConverter
Q509EMD12
IC507XC61CC5602N-G
BATTINT
SB1
/BINT
/PSW
Q506SSM6N16FE-F
Q507SSM6N16FE-F
SB2
BATT
DC SW
DC SW
DC SW
DC SW
Q501: 2SJ648-AQ502: SSM3K15TE(F)
SBC
50C
50R
50CS
50T
100C DC/DCConverter
Q510RT1N141U-T111
D511,D512: 1SS416IC509: TC7W53FK(F)
Q505: 2SA1955A-FQ511: RT1N441U-T111
Q512SSM6L05FU-F
Q503EMD5
IC504XC6209B502P-G
SBC
RXC
/SAVE
TXC
DDCLK
APC SW
NX-320
100
CN
524
-pin
Co
nn
ecto
r
IC1(
1/2)
TC
75W
51FK
(F)
IC1(
2/2)
TC
75W
51FK
(F)
LPF
BP
FA
SQ
AP
C
LCD
Mo
du
le
ED
1B
38-0
935-
05
CO
M[1
~4]
S[1
~33]
KE
Y M
atri
x(0
-10:
16k
ey)
(0-1
1: 4
key)
D15
HN
2S03
FE
LCD
Dri
ver
IC8
LC75
857W
-E
D16
1SS
388F
KI[
1~5]
KS
1K
S2
KS
3
KS
4
R82
SD
O0,
SC
K0,
/LC
DC
S, /
EV
CS
, SD
I0
SD
I0
50C
33M
DIS
P_V
ER
SB
2S
B2
BLC
KLC
DC
SW
DC
SW
DC
SW
D18
,D19
B30
-221
0-05
LCD
Bac
klig
ht
KE
YB
ackl
igh
t
TX
/BU
SY
LED
Q6
2SA
1362
-F(G
R)
Q7
2SC
5383
-T11
1
D7~
D14
B30
-233
7-05
Q8
2SC
5383
-T11
1
VR
EF
33A
DA
C
IC4
R2A
2017
8NP
D1
B30
-227
8-05
Q1
UM
G9N
LED
R(3
/8)
LED
G(4
/8)
TV
1T
V2
AM
PD
ET
Q3
KT
C40
75E
(Y,G
R)
D2
KD
R73
1
Q2
SS
M3K
15T
E(F
)B
W S
W
SQ_SW(2/8)
LPF
DA
CD
AC
IC2(
1/2)
TC
75W
51FK
(F)
IC4(
6/8)
R2A
2017
8NP
IC4(
5/8)
R2A
2017
8NP
AS
Q
RX
AF_
2
SPA
F
VO
X
MIC
I
MIC
MO
D
VC
O_M
OD
IC2(
2/2)
TC
75W
51FK
(F)
AM
P
AG
C
MO
DA
MP
BU
FF33
AV
RE
F
IC6(
2/2)
TC
75W
51FK
(F)
IC6(
1/2)
TC
75W
51FK
(F)
D3,
D4:
DA
221
Q4:
2S
C47
38(G
R)F
Q5:
2S
A18
32(G
R)F
Dis
pla
y u
nit
(X
54-3
760-
XX
) (A
/3)
(0-1
0)(0
-10,
0-1
1)
BLOCK DIAGRAM
NX-320
101
OPTIONAL ACCESSORIES
KNB-55L (Li-ion Battery Pack)
■ Schematic Diagram■ External View
■ External View
■ External View
KNB-56N (Ni-MH Battery Pack)
■ Schematic Diagram
KNB-57L (Li-ion Battery Pack)
■ Schematic Diagram
■ Specifi cations
Voltage : 7.2V (1.2V x 6)Capacity : 1400mAh
■ Specifi cations
Voltage : 7.4V (3.7V x 2)Capacity : 2000mAh
■ Specifi cations
Voltage : 7.4V (3.7V x 2)Capacity : 1480mAh
Discharging Terminal
Protection Circiut
1.8MΩ
Charging Terminal
S+ –
S T+ –
Discharging Terminal
Charging Terminal
S–+
S T+ –
220kΩ
Discharging Terminal
Protection Circiut
Charging Terminal
S+ –
S T+ –
1.8MΩ
NX-320
102
GENERALModels ........................................................K, K4: Basic Model K2, K5: 4-Key w/LCD Model K3,K6: Full Key w/LCD ModelFrequency Range ........................................K, K2, K3: 450~520MHz K4, K5, K6: 400~470MHzNumber of Channels ...................................K2, K3, K5, K6: 260 K, K4: 64Zones ..........................................................K2, K3, K5, K6: 128 K, K4: 4Max. Channels per Zone .............................K2, K3, K5, K6: 250 K, K4: 16Channel Spacing .........................................Analog: 12.5/25kHz Digital: 6.25/12.5kHzOperating Voltage .......................................7.5V DC ±20%Battery Life (5-5-90) with KNB-55L .........................................Approx. 8.5 hours with KNB-56N .........................................Approx. 8.5 hours with KNB-57L .........................................Approx. 11.5 hoursOperating Temperature Range ...................–22°F to +140°F (–30°C to +60°C)Frequency Stability .....................................±1.0ppmAntenna Impedance ...................................50ΩDimensions (W x H x D) (Projections not included) K, K4 Radio only ...........................................2.20 x 4.35 x 1.48 in (56 x 110.5 x 37.5 mm) with KNB-55L ......................................2.20 x 4.35 x 1.50 in (56 x 110.5 x 38.1 mm) with KNB-56N .....................................2.20 x 4.35 x 1.72 in (56 x 110.5 x 43.8 mm) with KNB-57L ......................................2.20 x 4.35 x 1.58 in (56 x 110.5 x 40.1 mm) K2, K3, K5, K6 Radio only ...........................................2.20 x 4.35 x 1.45 in (56 x 110.5 x 36.9 mm) with KNB-55L ......................................2.20 x 4.35 x 1.48 in (56 x 110.5 x 37.5 mm) with KNB-56N .....................................2.20 x 4.35 x 1.70 in (56 x 110.5 x 43.2 mm) with KNB-57L ......................................2.20 x 4.35 x 1.56 in (56 x 110.5 x 39.5 mm)Weight (net) Radio only ...............................................K, K4: 7.2 oz (205g) K2, K3, K5, K6: 7.4 oz (210g) with KNB-55L .........................................K, K4: 10.6 oz (300g) K2, K3, K5, K6: 10.8 oz (305g) with KNB-56N .........................................K, K4: 14.1 oz (400g) K2, K3, K5, K6: 14.3 oz (405g) with KNB-57L .........................................K, K4: 11.5 oz (325g) K2, K3, K5, K6: 11.6 oz (330g)
RECEIVERSensitivity ...................................................Digital @6.25kHz (3% BER): 0.20µV Digital @12.5kHz (3% BER): 0.25µV Analog (12dB SINAD): 0.25µVSelectivity ...................................................Analog @25kHz: 72dB Analog @12.5kHz: 65dBIntermodulation Distortion ..........................Analog: 70dBSpurious Response .....................................Analog: 70dBAudio Distortion ..........................................Less than 3%Audio Output ..............................................500mW/8Ω
TRANSMITTERRF Power Output ........................................5W/1WSpurious Response .....................................70dBFM Hum and Noise ....................................Analog @25kHz: 45dB Analog @12.5kHz: 40dBAudio Distortion ..........................................Less than 3%Modulation ..................................................16K0F3E, 11K0F3E, 8K30F1E, 8K30F1D, 8K30F7W, 4K00F1E, 4K00F1D, 4K00F7W, 4K00F2D
Analog measurements made per TIA/EIA 603 and specifi cations shown are typical.Kenwood reserves the right to change specifi cations without prior notice or obligation.
SPECIFICATIONS (K TYPE)
NX-320
103
GENERALModels ............................................................. E3: Basic Model E2: 4-Key w/LCD Model E: Full Key w/LCD ModelFrequency Range ............................................. 400~470MHzNumber of Channels ........................................ E, E2: 260 E3: 64Zones ............................................................... E, E2: 128 E3: 4Max. Channels per Zone .................................. E, E2: 250 E3: 16Channel Spacing .............................................. Analogue: 12.5/25kHz Digital: 6.25/12.5kHzOperating Voltage ............................................ 7.5V DC ±20%Battery Life (5-5-90) with KNB-55L .............................................. Approx. 8.5 hours with KNB-56N .............................................. Approx. 8.5 hours with KNB-57L .............................................. Approx. 11.5 hoursOperating Temperature Range ........................ –30°C to +60°CFrequency Stability .......................................... ±1.0ppmAntenna Impedance ........................................ 50ΩDimensions (W x H x D) (Projections not included) E3 Radio only ................................................ 56 x 110.5 x 37.5 mm with KNB-55L ........................................... 56 x 110.5 x 38.1 mm with KNB-56N .......................................... 56 x 110.5 x 43.8 mm with KNB-57L ........................................... 56 x 110.5 x 40.1 mm E, E2 Radio only ................................................ 56 x 110.5 x 36.9 mm with KNB-55L ........................................... 56 x 110.5 x 37.5 mm with KNB-56N .......................................... 56 x 110.5 x 43.2 mm with KNB-57L ........................................... 56 x 110.5 x 39.5 mmWeight (net) Radio only .................................................... E3: 205g E, E2: 210g with KNB-55L .............................................. E3: 300g E, E2: 305g with KNB-56N .............................................. E3: 400g E, E2: 405g with KNB-57L .............................................. E3: 325g E, E2: 330g
RECEIVERSensitivity (Analogue) EIA 12dB SINAD .......................................... 25kHz: 0.28µV 20kHz: 0.28µV 12.5kHz: 0.32µV EN 20dB SINAD ........................................... 25kHz: –3dBµV (0.35µV) 20kHz: –3dBµV (0.35µV) 12.5kHz: –1dBµV (0.45µV)Sensitivity (Digital) 3% BER ....................................................... 12.5kHz: 0.32µV 6.25kHz: 0.25µV 1% BER ....................................................... 12.5kHz: –1dBµV (0.45µV) 6.25kHz: –4dBµV (0.32µV)Adjacent Channel Selectivity (Analogue) ......... 25kHz: 76dB 20kHz: 74dB 12.5kHz: 68dBIntermodulation (Analogue) ............................. 65dBSpurious Response Rejection (Analogue) ........ 75dBAudio Distortion ............................................... Less than 3%Audio Output ................................................... 500mW/8Ω
TRANSMITTERRF Power Output (High/Low) .......................... 5W/1WModulation Limiting (Analogue) ....................... ±5.0kHz at 25kHz ±4.0kHz at 20kHz ±2.5kHz at 12.5kHzSpurious Emission ........................................... –36dBm ≤ 1GHz, –30dBm > 1GHzFM Noise (EIA) (Analogue) .............................. 25kHz: 45dB 20kHz: 45dB 12.5kHz: 40dBModulation Distortion ...................................... Less than 3%Microphone Impedance ................................... 1.8kΩModulation ....................................................... 16K0F3E, 14K0F3E, 14K0F2D, 12K0F2D, 8K50F3E, 7K50F2D, 8K30F1E, 8K30F1D, 8K30F7W, 4K00F1E, 4K00F1D, 4K00F7W, 4K00F2D
Analog measurements made per EN standards or TIA/EIA 603 and specifi cations shown are typical.Kenwood reserves the right to change specifi cations without prior notice or obligation.
SPECIFICATIONS (E TYPE)
NX-320
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
P.O. BOX 22745, 2201 East Dominguez Street, Long Beach,
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
Rembrücker Str. 15, 63150 Heusenstamm, Germany
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
KENWOOD House, Dwight Road, Watford, Herts.,
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
Via G. Sirtori, 7/9 20129 Milano, Italy
Bolivia, 239-08020 Barcelona, Spain
Talavera Business Park Building A, 4 Talavera Road, North Ryde NSW 2113 Australia
Suite 2504, 25/F, Tower 2, Nina Tower, No. 8 Yeung Uk Road,
1 Ang Mo Kio Street 63, Singapore 569110
CA 90801-5745, U.S.A.
Tsuen Wan, New Territories, Hong Kong
WD18 9EB United Kingdom
L’Etoile Paris Nord 2, 50 Allée des Impressionnistes, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex
J K L M N O P Q R SIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
S10A
S140
S138
S125
S112
S15B
ED1
S189
S176
J79-0312-09 B/3
J79-0312-09 C/3
J79-0312-09 A/3
S163
C78
S19#
C79
S20C
C83
C84
C90
C93
C1
C4CP10 CP11
D15
+
–
CP12
D16
CP13
CP14
L2
L3
IC8
1 16
17
32
3348
49
64
Q134
15
Q6
Q8R1R3
R5
R6R7
S1EMG
S2PTT
S3Side1
S5S
S9
*S87
S74
S61
R65
R66
R72
R73
R75
CP2CP3 CP4CP5
CP6
C85
C94
D1
MIC
1
D19
D18
L1
Q7
R67
R69
R70
R71
R74
R76
R83
CP
7C
P8
CP
9
D7
D8
D9
D10
D11
D12
D13
D14
S4Side2
R61
R62
R63
R64
DISPLAY UNIT (X54-3760-XX) Component side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
DISPLAY UNIT (X54-3760-XX) Component side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4
NX-320 PC BOARD PC BOARD NX-320
Ref. No. Address
IC8 7F
Q1 8C
Q6 9D
Q7 9D
Q8 8D
D1 8B
D7 7Q
D8 5Q
D9 7P
Ref. No. Address
D10 5P
D11 7O
D12 5O
D13 8N
D14 4N
D15 5E
D16 5E
D18 5H
D19 7H
J K L M N O P Q R SIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DGS
C20
C21
C32
C38
C48
C49
C52 C53
C54
C62
C63 C64
C71
C73
C92
MIC+GRE
MIC–BWN
C6
C7
C8
IC1
45
18
IC6
45
18
R12
R13
R15
R16
R19
R20
R21R23
R24 R26
R30
R35
R37
R9
R41 R42
R47
R52
R53
R77
R78
R81
1
6712
13
1819 24
R82
CN5
CN6
C10
C15
C16
C19
J79-0312-09C/3
J79-0312-09 B/3
J79-0312-09 A/3
GN
D16
PT
T/S
1/S
2/E
MG
GN
D
SB
2M
ICI
GN
DS
PA
FT
V1
TV
233
AV
CO
_MO
DG
ND
MO
D50
CM
ICV
OX
AS
QA
PC
AS
QR
XA
F_2
GN
D/L
CD
CS
/EV
CS
DIS
P_V
ER
SD
O0
SD
I0S
CK
033
M1 24
C22
C23
C25
C26
C28
C29
C30C37
C31
C33
C34
C35
C36
C39
C40
C42 C
43C
44
C45
C47
C58
C67
C68
C70
C74
C2
C3
C5
D2
D3
D4
TH
1
IC2
45
18
IC4
R10
R11
R14
R17
R18
R22
Q2
Q3
Q4
R28
Q5
R29
R33
R34
R2
R4
R39
R8
R40
R44
R45
R50
R79
R84
R85
R86
R88
CP
1
C11
C13
C91
DISPLAY UNIT (X54-3760-XX) Foil side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
DISPLAY UNIT (X54-3760-XX) Foil side view (J79-0312-09)
-10: K3, K6, E -11: K2, K5, E2 -12: K, K4, E3
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4
NX-320 PC BOARD PC BOARD NX-320
Ref. No. Address
IC1 4I
IC2 6L
IC4 8N
IC6 7M
Q2 4I
Q3 4H
Ref. No. Address
Q4 4J
Q5 4K
D2 5G
D3 4J
D4 4K
J K L M N O P Q R SIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14D
GS
DG S
DG S
D
G S
D
G
S
DG S
DG S
DGS
R604
R410
R606
R609
R224
R610
R228
R611
R612
R613
R614
R615
R616
R423
R427
R235
R620
R623
R624
R625
R432
R628
R436
R630
C402
R632
C601
C604
R641
R642
C607
C608
R649
R650
C616
R655
R656
R657
R463
R467
C237
R469
R660
R661
C431
C432
R663
R664
R666
R667
R474
C439
C443
C444
C646
Q106
C647
C648
C649
C650
C652
C653
R690
D401
C657
C658
C659
Q505
C660
F1
C661
C663
C666
C667
Q510C668
D414
Q511
IC201
L502
L503
C670
Q902
C673C674
Q905
C678
IC404
L511
IC601
IC603
C684
IC605
C685
C492
C687
C688
C689
IC610 C691
C692
C693
C696
C697
C699
CP602
CP603
CP607
CP610
R501
R502
R503
R504
R507
R509R510
R512
R513
R514
R515
R516
R517
R518
R519
R901
R902
R906
R907
R909
TH101
R529
R147 R148
R919
R920
R150
R921
C501
C502
C504
C509
R547
R548
C701
R161
R164
R165
C511
C512
R550
R552
R553
R554
C901
C902
C904
C905
C906
C907
C909
C523
C524
C525
C527
C910C913
C532
C536
C540 C541
C548
C549
C550
C551
C552
C177
C178D501
D502
C181
D509
IC101
C182
D902
L607
L609
IC502
CN2
CN3
CN4
L611
L613
L614
L615
L616L617
C599
IC901
IC904
CP501
2
1
3
4
31
46
45
101
6
9
+
RSSI
DGND
BSCAN0
/FLDM
BPF
CV4 5
1 8
3
1
4
5
4 5
1 8
1
11 ENC1ENC2ENC4GNDENC3VOL_GNDVOL33ANCSB1+B
SB1
RXD0
J1EXT. MICGND
OPTDET
50V
PTT/RXDMICI
MICO
45
18
+
J2EXT. SP
SPOSPI
TXD
AE
S
J79-0314-19
R213
R216
R217
R221 R
227
R617
R618
R619
R234
R629
R631
R633
R634
R635
R636
R637
R638
R639
C602
C603
R640
C605
C606
C609
R646
R647
C610
X601
R653
C618
R658
R659
C620
C622
C623
C614
R662
C628
R665
R668
C631
C638
C639
C640
C641
C642
C643
C644
C655
Q502
Q503
C669
L508 C675
C677
C679
C680
C681
C682
C683
C686
IC607
IC609
IC611
IC612
IC613
C695
C698
CP
601
CP
605
CP
606
CP
608
R506
R520
C700
C510
C514
C517 C
518
TP601
TP604TP605
C521
TP606
TP
607
TP608
TP609
C526
R1
R2
C537
C539
C543
C545C
553 C554
C555
C558
D505
D506
Q602
D511
D512
L602
L603 L604
IC503
IC506
IC509
R404
R409
R420 R
422
R426
R437
R438 R
439C
410
R462
R464
C429
R468
C430
C434
C450
Q105
Q501
C664
C665
Q512
L120
IC402
C484
C486
C491
R511
R144
R146
R149
C505
C507R
549R
551
C130
C520
D101
C173Q
403
C174
C175
CN
1
Q107
Q108
Q109
F2
L504
Q901
Q903
Q904
Q907
L902
L903
L904
L905
J2
R505
R903
R904
R905
R908
R152 R
153
R154
R155
R156
R157
C503
R158
R159
C506
R160
R162
R163R
166
R167
C513
R168
R169
C903
C908
C528
C529
C914
C533
C534
C179
C180
IC504
IC902
34
16
3 1
4 5
21
34
45
18
34
15
SB
2124
MIC
IG
ND
SP
AF
TV
1T
V2
33AV
CO
_MO
DG
ND
MO
D50CM
ICV
OX
AS
QA
PC
AS
QR
XA
F_2G
ND
/LCD
CS
/EV
CS
DIS
P_V
ER
SD
O0
SD
I0S
CK
033M
3 1
4 6
GN
DP
TT
/S1
/S2
/EM
GG
ND
16
34
16
3 1
4 6
TXD0
31
45
SP
+
SP
–
MIC
+
MIC
–
1 4
31
45
5 1
6 10
+B
+
34
15
34
15
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Component side view (J79-0314-19)
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Component side view (J79-0314-19)
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4Layer 5Layer 6Layer 7Layer 8
NX-320 PC BOARD PC BOARD NX-320
Ref. No. Address
IC101 3O
IC201 3I
IC402 9J
IC404 8H
IC502 4C
IC503 7B
IC504 4M
IC506 5B
IC509 4H
Ref. No. Address
IC601 4D
IC603 8D
IC605 3F
IC607 4E
IC609 6D
IC610 5E
IC611 8F
IC612 8F
IC613 5C
Ref. No. Address
IC901 6P
IC902 6O
IC904 4I
Q105 8K
Q106 3O
Q107 4O
Q108 5O
Q109 5N
Q403 8J
Ref. No. Address
Q501 6K
Q502 7K
Q503 3J
Q505 4M
Q510 3G
Q511 4M
Q512 5L
Q602 7F
Q901 7Q
Ref. No. Address
Q902 5P
Q903 7Q
Q904 7P
Q905 8P
Q907 9N
D101 8L
D401 10J
D414 8J
D501 4Q
Ref. No. Address
D502 3C
D505 6B
D506 5B
D509 5M
D511 4H
D512 4H
D902 7O
J K L M N O P Q R SIHGFEDCBA
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GSD
GSD
DG
S
R210
R407
R411
R412
R220
R414
R418 R419
R225
R226
R231
R428 R429
R238C201
C202
C203
R434
C204
R241
C205
C207
C208R245
C401
C210
R441
C211
TH402
C213
C214
C215
R446
C216
C217
R447
C218
R449
C219
X401
C412
R450
C414
C220
C221
R452
C223
R455
C226
C227
R458
C228
C420
C421
C422
C230
C425
C232
C426
C427
C428
C235
R470
C240
R471
C436
C437 C438
C244
R475
C246
C440 C441
C442
C251
C449
Q103
Q104C451
C453
C454
C260
C455
C261
D202
D203
C458
D206
D207
D403
L103
L105
C466
L106
C468
C469
C470
D412
C473
L307D413
C474
L115
L117
L119
L505
L506
Q906
IC403
C487
C488
XF1
CP401
R101
R110R111
R112R113
R114
R308
R115
R116
R508
R121
R317
R126
R129
R320
R321
R130
R131
R329
R524
R330
C101C102R141
R911
R335
R142
R143
R913
R914
C109
R531
C302
R533
C110
C113
C114
R344
C308
R345
R539
C119
R349
R540
C311
R542
C120
R544
R351
C122
C124
C125
C319
R355
C126
R356
C127
R357
C128
C129
C131
C519
C522
C332
C335
C144
C915
C148
C530
C149
C535
C150
C920
C152
C922
C923
C155
C927
C350
C353
C354
C160
C161
C356C357Q201
C359
D105
Q202
C557
Q405
Q407
Q408
L203
L204 L205
L207
D508
L209
L403
L404
L210
L405
L406
L212
L407
L408 L409
IC302 IC304
L410 L411
L412L413
L415
IC501L417
IC505
L423
L428
L429
R203
R205
R207
ANT
J79-0314-19
OPTDET
50V
TXD
AE
SPISPO
PTT/RXD MICI
MICO
D G
D
S
G
DG
G S
D
SG
G
+
+
+
67 12
13
181924
1
3
1
4
5
121
1324
2
1
3
4
18
45
R229
R232
R233
R236
R237
R440
R448
R451
R456
R459
R460
R461
C233
C236
C435
R472
C242
C247
C249
C446
C255
C256
C258
C259
Q102
C456
C457
D204
Q110
C461
L102
C464
or L104
C467
L108
L109
C471
L114
C475
C476
L116
C477
C478
L118
C480
C481
C482
L901
R102
R117
R118
R119
R120
R122
R123
R124
R128
R1
32
R910
C106
R912
C107
C111
C112
C115
C116
C118
C121
R170
C135
C138
C136
C141
C916
C917
C918
C151
C921
C153
C154
C156
C157
C158
D102 C
163
D103 C
16
4 o
rD
106
C170
Q401
L211
L213
L214
D901
L416
L418
L421
L422
L424L426
L427R
212
C209
C212
C224
C225
R457
C229
D201 C
293
L206
L208
R204
R208
R209
R443
R444
C447
C459
C460
C462
D402
C463
D404
D405
D406
D407
D408
D409
D410
D411
D415
C498
C499
Q402
Q406
L419
R400
R408
R413
R415
R416
R417
R421
R433
C405
C406 C
408
C409
C411
C413
C415
C416
C417
C418
C419
C423
C424
Q301
Q303
Q506
Q507
Q509
L302
L305
L306
L308
L509
C483 R
301
R302
R304
R305
R306
R310
R326 R
327
R328
R331
R332
R338
R530
C301
R532
C303
R340
R341
C307
R346
C310
CF1
CF2
C313
R543
C508C
314
C315
R546
R545
R352
C316
C317
R354
C318
C320
C515
C321
C516
C322
C323
C324
C327C
330
C338
C339 C
340
C341
C343
C538
C346
C351
C358
C360
C361
C362
L201
L202
L401
L402
IC507C
398
L425
R201
31
46
E
EC
B
3 1
4 6
3
3
3 1
4 6 1
46
3 4
2 1
1
46
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Foil side view (J79-0314-19)
TX-RX UNIT (X57-8050-XX) -10: K, K2, K3 -11: K4, K5, K6, E, E2, E3
Foil side view (J79-0314-19)
Component side
Foil side
Layer 1Layer 2Layer 3Layer 4Layer 5Layer 6Layer 7Layer 8
NX-320 PC BOARD PC BOARD NX-320
Ref. No. Address
IC302 6P
IC304 6R
IC403 7N
IC501 7R
IC505 5M
IC507 9Q
Q102 5H
Q103 7H
Q104 7F
Q110 5G
Ref. No. Address
Q201 4M
Q202 3J
Q301 8O
Q303 5O
Q401 8J
Q402 8L
Q405 7K
Q406 7I
Q407 7J
Q408 6J
Ref. No. Address
Q506 8R
Q507 8Q
Q509 9R
Q906 9G
D102 4E
D103 4E
D105 3F
D106 4G
D201 3L
D202 3K
Ref. No. Address
D203 3K
D204 3H
D206 3H
D207 4G
D402 9J
D403 9L
D404 9K
D405 9J
D406 9K
D407 9K
Ref. No. Address
D408 9J
D409 9J
D410 8L
D411 9L
D412 5J
D413 5J
D415 9L
D508 9Q
D901 9G
R:0VT:4.95V
R:0VT:1.78V
R:0VT:2.29V
R:0VT:0.81V
R:0VT:3.85V
R:0VT:3.30V
R:1.95VT:0V
R:0.83VT:0V
R:4.82VT:0V
R:4.54VT:0V
R:3.33VT:0V
R:2.90VT:0V
R:1.52VT:0V
R:0.68VT:0V
RX:4.68VTX:0V
R:3.84VT:0V
R:3.44VT:0V
R:0.68VT:0V
R:1.99VT:0V
R:4.78VT:4.78V
R:1.30VT:1.30V
R:1.80VT:1.80V
R:3.85VT:3.82V
R:0.75VT:0.72V
R:0VT:4.14V
R:4.18VT:0V
R:3.30VT:0V
R:4.20VT:4.16V
R:4.87VT:4.84V
R:7.45VT:0.27V
R:7.49VT:7.29V
R:3.29VT:0V
9.36V
4.97V
R:0VT:4.95V
R:4.87VT:0V
R:3.30VT:0V
R:0VT:3.30V
5.00V
3.30V
R:7.50VT:7.31V
R:2.05VT:1.99V
R:7.48VT:7.27V
3.30V
3.30V
1.50V
7.50V 7.49V
3.83V
0.03V
3.30V
3.30V
3.30V
T:5.72VR:0.12VR:6.04V
T:0.09V
R:7.47VT:7.25V
3.30V
5.00V
3.30V
R:4.87VT:0V
3.30V
T:3.82V
3.30V
5.0V
7.49V
7.49V
R:4.87VT:0V
R:4.87VT:0V
R:0VT:4.98V
3.30V
5.0V
T:7.27VR:7.48V
R:4.86VT:0V
R:4.07VT:0V R:1.25V
T:0V
R:0VT:3.98V
R:0VT:1.15V
T:3.30V
R:0VT:4.88V
R:7.47VT:7.25V
3.30V
1.50V
3.0V D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
DD
D
D
D
-t
-t
D[9]
D[1
4]
D[1
2]
D[1
0]
D[8
]
D[7
]D
[5]
D[2
]
A[2]A[6]A[18]
A[10]A[14]A[1]A[5]A[20]A[19]A[11]A[15]
A[16]
BE
EP
MCSCKAF
MCDIAFMCDOAF
/MCCSAF
MCDICN
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D[13]D[15]
D[1]D[3]D[4]D[6]
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A[7
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[3]
D[0]D[1]D[2]
D[4]D[5]D[6]
D[9]D[10]D[11]
D[15]
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A[0]A[1]A[2]
A[3]A[4]A[5]
A[11]
A[7]A[6]
A[8]A[9]A[10]
A[13]
A[16]
A[12]
A[14]A[15]
A[17]A[18]A[19]A[20]
D[3]
D[7]D[8]
D[12]D[13]D[14]
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A[9
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[4]
A[1
7]
A[8
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[12
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A[9]A[10]A[11]A[12]A[13]A[14]
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ADD11L16
ADD12M16
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ADD14J15
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DT0H16
DT1G15
DT2F18
DT3F17
DT4G16
DT5E18
DT6E17
DT7F16
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DT9D17
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DT12C15
DT13D15
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WRITEA16
READB14
BHEC14
BLEA13
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CS3C13
CS2B13
CS1A14
CS0B12
HRADYD14
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CTS0U15
TXD1T15
RXD1V15
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D8VFRM
N1RSSIT
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M2PSRIF
L4PSRRF
P1RXSLT
N2RXRVE
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R1PSTIF
M4PSTPA
P2TMoD
P3TRAMP
R2TXRVE
R6FSDET
R5SYMTIM
C12SIMDT
D12SIMCK
C11SIMRST
T9GPIo0
V9GPIo1
U9GPIo2
V10GPIo3
T7GPIo4
R7GPIo5
R8GPIo6U8
GPIo7A6
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GPIo9C6
GPIo10B5
GPIo11E8
DVDD1E9
DVDD2F14
DVDD3G14
DVDD4M14
DVDD5N14
DVDD6P10
DVDD7P9
DVDD8N5
DVDD9M5
DVDD10E7
DVDIo1E13
DVDIo2H14
DVDIo3L14
DVDIo4P11
DVDIo5P6
DVDIo6L5
DVDIo7E10DGND1E11
DGND2E12
DGND3
J14
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ND
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14
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ND
5
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9
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A5
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11
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12
T2
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13
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2
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6
T3
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35
K4
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8
L3
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9
M1
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10
U3
NC
34
E5
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2
F5
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3
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4
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5
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D6
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7
L1
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8
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9
A1
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1
A2
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2
B1
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3
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4
A1
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13
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14
V1
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15
V2
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16
A3
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17
C3
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18
C5
NC
19
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C2
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D4
NC
21
D6
NC
22
C1
6N
C2
3
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4
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5
R1
3N
C2
6
T1
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7
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8
N4
NC
29
T1
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30
F3
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C1
J4M
ICIR
AU
D_
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FC
D5
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12
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EF
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R6
36
10
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18k
L602
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10
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16
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SSM3K15TE(F)Q502R511
470
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56
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470k
R5
39
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R530
100k
R531
100k
R532
100k
R543
470kR533
100k R5
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83
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C692
C693 0.1u
C691
C680 1u
C681 0.1u
C679 0.01u
C663
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R629
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73
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88
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26
10
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0
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24
47
0k
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28
22
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4.7k
R625
4.7k
IC605
A1
A0
A2
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A3
CE
2A
4A
3A
5A
6A
6A
8B
1D
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G4A16
G5A15
G6DQ3
H1A9
H2A10
D1VSS1
D6VCC1
H5A13
H6A14
R618
470k
R6
35
10
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C6
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16
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84
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00
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68k
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29
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IC505XC6209B332M-G
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IC503XC9235A15CM-G
DC/DC(15M)
1VIN
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5LX
R640
1k
1 10
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15L614
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L604
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10 C4
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06
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C418 100p
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100p
R415
10
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R4
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R412
10
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10
C487 470p
C424
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C413 0.01u
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0
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16
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03
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28
0.0
47
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D4
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77
R4
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4.7
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D413
HSC277
R3
31
10
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L308
IC302 TK10931VTL-G
1 OSC-B
2 OSC-E
3 MIXout
4 Vcc
5 AM-IFin
6 AM-DCPL
7 FM-IFin
8 FM-DCPL1
9 FM-DCPL2
10 LIMout
11 QUADin
12 FM-DETout
13AM-DETout
14AMSW
15RSSIout
16RF-AGCout
17AGCAMPout
18AM-AGCin
19NOISEin
20NOISEout
21COMPin
22COMPout
23GND
24RFin
R2
09
10
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C343
C313
33p
C323
0.1u
R329 22k
C3
08
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50
47
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15
47
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L302
560n
C341 0.1u
R330 18k
C338
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C2
04
4.7
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10
R327 10k
2SC4215-F(Y)Q303
L3
07
1.5
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L3
06
10
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C3
11
15
0p
R301
560
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30
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560k
R3
17
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C2
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17
10
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32
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R326
100k
R328 4.7k
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2D
8D
R1
A7
FS
R1
D7
CL
KR
1E
9D
X1
E8
FS
X1
C8
CL
KX
1D
6D
R0
A5
FS
R0
B5
CL
KR
0E
7D
X0
B6
FS
X0
C6
CL
KX
0G
4H
R/W
G2
HIN
ITH
1H
RD
YJ1
HC
NT
L0
J4H
BE
0K
2H
BE
1K
3H
CS
L3
HD
S1
L2
HD
S2 L13
D[15] L12D[14] L11D[13]
M14D[12]N12D[11]P12D[10]
L10D[9]
N11D[8]
P11D[7]
M10D[6]
P10D[5]
L9D[4]
M9D[3]
P9D[2]
K8D[1]
L8D[0]
G3A[20]
H3A[19]
K1A[18]
P5A[17]
P7A[16]
M8A[15]
K9A[14]
N3A[13]
P3A[12]
L4A[11]
N4A[10]
P4A[9]
L5A[8]
N5A[7]
L6A[6]
M6A[5]
P6A[4]
K6A[3]
K7A[2]
M7A[1]
L7A[0]
H11A’[0]
F2X2/CLKIN
A2VSS_1
B1
VSS_2
B9
VSS_3
B11
VSS_4
C2
VSS_5
C5
VSS_6
C7
VS
S_
7
C1
1V
SS
_8
D1
1V
SS
_9
E4
VS
S_
10
E5
VS
S_
11
E1
3V
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2
F4
VS
S_
13
F1
1V
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4
K4
VS
S_
15
K5
VS
S_
16
M3
VS
S_
17
M5
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S_
18
M1
3V
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9
N1
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S_
20
N2
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S_
21
N9
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S_
22
N1
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3
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4V
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4
P1
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S_
25
P2
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26
G1
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PL
LV
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1
C1
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2
A4
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A8
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D9
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E3
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E6
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6
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H1
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8
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9
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N6
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4
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B8
CV
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C1
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5
G1
CVDD_6
J5
CVDD_7
J10
CVDD_8J11
CVDD_9L1
CVDD_10L14CVDD_11M4
CVDD_12M11 CVDD_13
N7 CVDD_14N8 CVDD_15
G11 USBPLLVDDD2 USBVDD
F10ADVDD
C14AVDD
A13RDVDD_1
B13 RDVDD_2A14
RDVDD_3C12
RCVDD_4D14 AIN[0]D13 AIN[1]D12 AIN[2]E11 AIN[3]C1 PUD4 DPD3 DN
H13 SDAH14 SCLA12 RTCINX1B12 RTCINX2
M2 GPIo13M1 GPIo12J3 GPIo11H5 GPIo10H4 GPIo9G5 GPIo8D1 GPIo7C4 GPIo6D5 GPIo5A3 GPIo4B3 GPIo3E2 GPIo2E1 GPIo1F3 GPIo0
E14 XF
C6
60
0.1
u
C6
59
0.1
u
C650
1000p
C6
61
1u
R6
11
C647
R6
13
R6
09
C649 1000p
R6
04
1k
D1
06
RN
14
2S
R132
0
D1
05
RN
14
2S
C1
61
L1
18
R616
4.7k
1D
-TM
S
D-/
TR
ST
D-T
DI
33
MD
SP
D-T
DO
D-T
CK
D-E
MU
0
D-E
MU
1
R615
4.7k
D902
DAN222
C5
03
10
00
p
R501
270k
R5
05
18
0k
C5
13
68
00
p
C5
17
1u
C5
09
1u
C5
15
1u
C665 47p
C666 47p
C664 47p
C667 47p
C419 100p
CP401
R646
0
R647
0
C6
99
0.0
1u
R6
14
IC403SKY72310-362
7N
C
8O
SC
_A
C_
GN
D
9O
SC
in
10
OS
Co
ut
11
VC
C_
OS
C1
2G
ND
_O
SC
13NC_1
14NC_2
15NC_3
16NC_4
17NC_5
18NC_6
19
VC
C_
dig
ital
20
DA
TA
21
CS
22
CL
OC
K
23
MO
Din
24
MU
Xo
ut
1VCC
2Fin
3Fin
4LD/PS
5VCCcp
6CPout
25
GN
D
CN
3
1 2 3 4 5 6
TP
60
1
CP602 10kx4
CP601 100kx4
100kx4
L2
06
CP605100kx4
IC6
11
TC
7S
H0
8F
U-F
1IN
B
2IN
A
3G
ND
4o
UT
Y
5V
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CN
60
8/F
LD
M
CN
60
9
CN502+B
R6
23
10
k
R6
49
10
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60
4
TP
60
5
TP
60
6
TP
60
7
SS
M3
K1
5T
E(F
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Q6
02
R6
50
47
0k
C1
81
47
0p
C1
82
0.1
u
R147
560
R1
60
0
L1
03
22
n
R1
69
10
0k
C1
78
47
p
R1
29
27
0
R166
0
R167
2.2k
R1
65
56
k
C1
69
0.1
u
C1
10
47
0p
R149
1k
R1
59
47
0k
R157
150k
R1
46
0
R164
100k
C1
79
10
p
SSM3K15TE(F)Q107
2SC5383-T111Q105
R1
55
0.3
9
R1
10
10
k
C1
12
0.1
u
Q106RT1N441U-T111
C1
75
0.1
u
C106
R1
52
10
k
R162
10k
R1
53
0.3
9
SSM3K15TE(F)Q109
C102
470p
C1
77
47
0p
C1
01
47
0p
R1
58
0
C1
11
47
0p
R1
12
56
0
C1
68
10
00
p
R1
61
47
0k
C1
50
47
0p
R1
68
82
k
R150
1k
C1
73
47
0p
R1
54
0.3
9
R156
150k
R144
27k
R1
01
4.7
k
C1
80
47
0p
R1
30
27
0
IC101TA75W01FUF
1 oUT1
2 IN1-
3 IN1+
4 VEE 5IN2+
6IN2-
7oUT-B
8VCC
C9
07
10
u
C9
09
0.0
47
u
C908
100p
C9
21
10
0p
C9
10
1u
C906
0.1u
C9
04
22
0p
C903
1u
2SK3577-AQ904
C9
20
10
00
p
2SK3577-AQ905 R913
100
2SA1362-F(GR)Q902
J2
R912 680
IC9
02
XC
62
09
B5
02
P-G
_9
1N
C
2V
SS
3C
E4
VIN
5V
oU
T
C9
18
10
0p
C9
15
10
0p
IC901
TA7368FG
1 NC1
2 VCC
3 NC2
4 VIN
5 RIPPLE6NF
7PHASE
8PRE-GND
9PW-GND
10PoUT
Q901RT1N141U-T111
R9
09
27
0k
C9
16
10
0p
C9
23
47
p
C9
13
1u
C9
02
10
00
p
R9
06
15
0
R905
470k
R9
03
47
k
C9
05
1u
C914
100u6.3
R9
07
10
k
Q903
RT1N441U-T111
J1
R9
10
47
k
R9
08
33
0k
R9
02
56
k
R901
10k
C9
22
10
00
p
R9
04
2.2
k
C9
17
10
00
p
R911
27k
C9
01
10
00
p
R9
14
5.6
k
C2
44
47
0p
L2
11
22
0n
C2
32
0.5
p
R2
21
10
k
R2
36
R213
100k
C251
1.5p
C2
35
47
0p
C2
47
2p
C2
27
47
0p
C260
R2
26
15
0
C2
59
C2
29
C2
24
2p
L2
12
3SK318Q202
D2
04
1S
V3
05
F
C246
470p
R2
20
1M
R2
31
10
0k
D2
02
1S
V3
05
F
C216
470p
C2
42
0.1
u
C2
33
0.0
1u
C2
49
C2
40
47
0p
C2
25
R2
12
1M
C2
36
1u
R2
17
10
0k
D2
03
1S
V3
05
F
R2
34
10
0k
D2
06
1S
V3
05
F
R2
32
68
k
C228
R235
0
R2
16
56
k
R2
24
10
k
L2
13
68
n
C2
58
R2
27
22
0k
R2
28
10
0k
R2
37
10
0k
L2
07
8.2
n
R225
68
L4
09
L4
17
C480
0.1u
C4
69
CN401
R422
10M
R447
2SC5383-T111Q403
C481
470p
C4
34
10
0p
C475
10p
C4
38
10
0p
R448
470k
C467
0.5p
D4
15
1SV
282F
MCH3914(8)-HQ402
IC404TC75W51FK(F)
1
2
3
4 VSS5
6
7
8VDD
L4
22
C473
5p
C4
70
10
00
p
D409
1SV282F
R441
470k
C4
54
L4
24
22
n
R4
39
4.7
k
C4
43
1u
L405
220n
C466
0.5p
L404
SSM3J05FU-FQ407
R4
60
2.2
k
C4
62 C4
68
5p
D4
05
1SV
282F
R4
40
10
0k
R4
52
10
0
D407
1SV282F
C4
10
10
0p
R429
0
R4
20
47
k
C4
60
4.7
u
2SC5108(Y)FQ405
D4
02
1SV
282F
R446
22
R4
36
L4
08
22
0n
2SC5636Q408R
45
6
10
k
C4
64
47
0p
C4
37
10
0p
C4
53
0.5
p
D401DA221
D4
10
1S
V2
78
F
IC402XC221A1200MRG
1 VoUT
2 VDD
3 IN+ 4IN-
5VSS
L4
12
22
0n
C4
50
10
u
MCH3914(8)-HQ401
C4
74
47
0p
C446
180p
R4
61
47
D4
14
HS
C1
19
R4
10
12
0k
R4
58
6.8
k
Q406SSM6L05FU-F
C482
R4
59
33
0
R4
26
47
k
D4
11
1SV
282F
C447
C429
0.01u
L4
10
D4
04
1S
V3
23
F
L4
13
C471
L4
11
R423
470k
C4
59
3p
C439
C441R451
150k
C4
49
R4
50
47
k
C4
78
47
0p
R4
38
47
k
R4
09
1k
C4
32
0.1
u
C477
R428
0
D4
03
1S
V3
23
F
R4
27
68
k
C4
56
4p
C4
02
2.2
u
R404
47
R5
02
2.7
k C5
12
10
00
p
Q511
RT1N441U-T111
C5
07
47
0p
C5
11
1u
2SA1955A-FQ505
D5
09
1S
S3
88
F
D5121SS416
C5
45
1u
R5
19
10
k
R5
06
10
0
IC509
TC7W53FK(F)
1 CoMMoN
2 INH
3 VEE
4 GND 5A
6CH1
7CH0
8VCC
C5
18
1u
Q510RT1N141U-T111
D5111SS416
C543
1u 16
R5
49
47
0k R551
1k
R5
50
47
0k
Q512SSM6L05FU-F
L617
C354
0.01u
R3
38
10
0
R352
10k
R3
49
1k
C3
46
47
p
C3
59
47
p
R344
6.8kCN301
IC304TC75W51FK(F)
1oUTA
2IN-A
3IN+A
4VSS5 IN+B
6 IN-B
7 oUTB
8 VDD
R3
51
10
0k
R3
32
47
k
R3
41
10
0k
R4
63
22
0k
R46418k
C444
R4
62
1k
R4
32
12
0k
C483
1000p
R1
41
47
0k
R1
43
1k
R1
42
47
0k
Q110SSM6L05FU-F
L9
01
D901
1SS416
Q906RT1N141U-T111
R619
10
R620
10
TP
60
8BE
RD
T
TP
60
9BE
RC
K
IC201TC75W51FK(F)
1
2
3
4 VSS5
6
7
8VDD
R102
0
C442
47p
R4
00
47
R467
0
IC5
02
NJ
M2
87
8F
4-3
3
1C
oN
TR
oL
2G
ND
4V
IN
3V
oU
TIC
50
1
NJ
M2
87
8F
4-3
3
1C
oN
TR
oL
2G
ND
4V
IN
3V
oU
T
CN41
2
3
4
L902
L903
C484
470p
R1
14
27
F2
F53-0319-15
C6
07
0.0
1u
R6
57
10
k
R664
15k
C603
0.01u
R660
82k
C601
100p
C604
0.068u
R658
10k
R656
56k
R659
56k
C6
08
0.0
1u
C602
0.1u
R661
180k
R6
63
22
k
C642
C616 47p
C640
C643
C622 47p
C618 47p
C638
C639
C631 47p
C644
C641
C620 47p
C628 47p
IC904
TC75S51FE(F)
1IN+
2VSS
3IN-
4 oUT
5 VDD
SSM3J05FU-FQ108
R9
19
10
0k
R653
0
L425
C4
01
0.0
1u
TH
40
2
10
0k
R6
37
10
0k
R6
65
0
C609
C610 10u
2SC4926YDQ102
C2
01
0.0
1u
R2
01
47
R203
680
C2
10
0.0
1u
R345
270
R2
05
C3
57
18
p
R346
270
C3
56
3p
C353
0.01u
C2
07
47
0p
L2
02
3SK318Q201
C360
0.01u
C2
03
47
0p
XF1 49.95MHz
C3
58
6p C
21
2
R204
4.7k
C2
14
C211
2p
C2
08
6p
C213
2p
R1
17
47
0
R1
31
82
k
C1
41
C1
48
C1
19
47
0pR
11
8
47
RD01MUS1-T113Q103
L1
09
R1
24
33
k
C114
C153
C149
RD07MUS2BT112Q104
C1
58
C1
25
15
0p
C1
56
L1
08
C120
100p
D103
HVC131
C1
60
C1
38
R115
12
R1
16
47
0
L115
4T
R1
19
39
k
L104
R1
21
330
C1
27
15
0p
C157
C151
100p
C1
29
0.0
1u
C1
28
0.1
u
L1
06 C
14
4
C1
52
C1
54
L114
4T
C1
31
D102
HVC131
C1
21
47
0p
C155
3p
L116
4T
L1
17
220n
C113
C1
15
C1
35
C1
26
1u
R547
0
C606
0.01u
R662
10k
C605
0.1u
CP
60
71
00
x4
R5
15
15
0k
R5
14
39
0k
R1
11
C2
09
12
p
L203
270n
CP
60
80
x4
RX
D
TX
D
R655
0
R6
66
R6
67
R548
100
C5
33
10
00
p
R552
100
R468
1k
R503
C501
C502
CP
50
1
10
0kx
4
C552 470p
CN504
C504 6800p
CN505GND
C548
R5
04
2.2
k
C550
L502
C551 470p
C5
53
C3
98
10
p
R302
1k
C301
0.01u
C307
10p
R509 2.2k
C599
C440
C4
31
10
0p
C1
09
R1
132
2
R520
2.2
Q907
UPA672T-A
R9
20
47
k
R9
21
6.8
k
CN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CP
60
61
00
kx4
R469
C2
17
R2
45
1k
BPF
C2
93
47
0p
C1
22
47
0p
R1
23
33
k
R1
20
22
k
C1
16
47
0p
R1
22
27
R1
63
27
0k
CP610
D1
01
HZ
U5
CL
L
R148
1k
C1
74
2.2
u
C6
85
10
uC6
77
10
u
L204 L205
R308
0
L305
56n
L4
23
56
n
Q503
EMD5
L1
05
22n
R631
1k
C5
20
0.1
u
C5
49
0.1
u
C5
55
47
0p
C4
86
10
0p
R6
39
0
R690
0
C5
39
R5
12
68
k
R4
37
47
k
C1
70
47
0p
C457
R475
0
C4
91
10
0p
C4
92
10
0p
R4
33
0
IC613KXSD9-2050
1 IOVDD
2DNC
3AUXIN
4 GND
5V
DD
6NCS
7MOT
8ADDR/SDI
9SCL/SCLK
10
SD
A/S
D0
C7
00
0.0
1u
C701
0.1u
C5
58
10
u
R3
55
8.2
k
R3
56
8.2
k
R357
820
L511
1u
C9
27
47
p
R668
10k
C6
69
0.0
47
u
R554
1
TH
10
1
10
0k
L120
C1
30
47
0p
R4
49
1k
CN1
1 +B
2 SB1
3 NC
4 33A
5 VOL
6 VOL_GND
7 ENC3
8 GND
9 ENC4
10 ENC2
11 ENC1
IC610
FLASHSRAM
+
-
S
/S1
/EM
G
PT
T
/S2
GN
D
GN
D
PCB version
MICIPTT/RXD
SPO
AE
OPTDET
SPI
50V
MICO
TXD
DC AMP(ASSIST)
-
TX VCO
RX VCO
-
+
+
+
CV
-
DC AMP (CV/APC)
RSSI-
-
+
+
str ip l ine
R3
1-0
68
5-0
5S
60
-04
48
-05
DC/DC (38M)
47p
47p
47p
47p
47p
47p
47p
0.01u
13
0.1u
0.1u0.01u
10
0 00 10
01
00
0 .1u
0.01u
1u
10
00
p
1k
470p
470p
470p
470p
470p
47
0p
47
0p
1000
p
C5
40
10
u
100p
1000p
0.1u
7u
47
0p
56
0n
10u
TX-RX UNIT (X57-8050-XX)
0.47u
VCO_MOD
TV1
TV2
MEMORY
MOTION SENSOR
OP AMP(BEEP/AF)
DSP
BUFFER(CLOCK)
ASIC
Q602
DC SWITCH(SYSTEM)
0.0
1u
D505,506
DC/DC CONV
LEVELE CONV
LEVELE CONV
AVR (33A)
AND GATE
AND GATE
AVR (33M)
SPEED UP
REVERSEPROTECT
DC/DC CONV
DC/DC CONT(100C)
DC SW(SB2)
VOLTAGE DET(BATT)
DC SW CONT(SB2)
PLL SYSTEM
BYPASS
DC SW(50T)
REVERSECURRENTPROTECT
DC SW CONT(50T)
DC SW(50R)
DC SW(50CS)
DC/DC (100C)
DC/DC CONV
D511,512
DC/DC CONT(38M)
ASSIST TUNED402,405,408,409
RX VCO TUNE
TX VCO TUNE
ASSIST TUNED406,407,411,415
T/R VCO SW
T/R VCO SW
BUFFER AMP
RIPPLE FIL
SPEEDUP
BUFFER AMP
TX MOD
AVR (50V)
50V SW CONT
LEVELE CONV
DC SW(AF PA AMP)
EXT/MIC SW
AF POWER AMP
DC SW(AF MUTE)
DC SW(AF MUTE)
AF POWER MUTEQ904,905
REVERSECURRENTPROTECT
D901
T/R SWD412,413
PD SW
PRE DRIVE AMP
DRIVE AMP
APC SW
APC SW
APC SW
APC SW
APC SW
APC PROTECT
IF AMP
TRIPLER
FM SYSTEM
MIXER
DC AMP (RSSI/ASQL)
FINAL AMP
ANT SW
D102,103
ANT SW
D105,106
OP AMP (APC)
RF AMP BPF TUNE
D202,203
BPF TUNED204,206
DC AMP (BPF)C5
05
470p
0
0
470p
CP603
5P
50C
50C
50C
VCO_MOD VCO_MOD
SB2
SB2 SB2
33A 33A
33M
15M 15M
33M 33M
X2/CLKIN
X2/CLKIN
HINIT
HINIT
33MAS
50C 50C
33M 33M
RESET33A
33M 33M
33M
33ARESET
/EMG
SB2
SB2KEYI0KEYI1
KEYI0KEYI1
50C 50C
33A 33A
50C
33A 33A
SBC
/BINT
/PSW
+B
+B
+B+B
15M
33A
BATT
PCK_RF
SCK1
PCK_DSP
33M 33M
33M 33M
/PCS_DSP
/PCS
SB2 SB2
33C
50C
50C 50C
+B +B
33A 33A
50CS 50CS
50T 50T
50R
33A
50T
50R
33A
50T
50R
50T
50R
50T
50R
+B +B
50R
C1
18
0.5p
C5
41
470P
R5
45
47
0k
100k
22
0n
CPout
CPout
AS
QD
ET
50R
PTT SECTION(X54-3760-XX) (B/3) CN6
A
C9
1
47
0p
MIC1
T91-0673-05
MIC SECTION(X54-3760-XX)(C/3)
DIS
PLA
Y U
NIT
(X
54-3
760-
XX
) (A
/3)
CN
5
18.432MHz
100kx4
Li-ionBATTERY
VR
1S
101
F53-0324-05
2.5A
10x4
16.8MHz
EXTMIC
EXTSP
C3
35
0.1
u
R321
1k
CF2C320
0.1u
R354
0
R304
0
C2
61
1A
22
3 3
RESET RESET
4
4
5 5
66
33
2
2
4
1010
5
5
4
6 6
77
88
/PCS_RF
55
6 6 66
6
6
5
55
5
FinFin
OS
C
OSC OSC OSC OSC
APC APC
APCAPCAPC APC
5 5 5 5
/T_R
5
APC SW APC SW
CV CV
BYPASS BYPASS
AS
QD
ET
X2/CLKIN
33M
AS
L119
C164
C1
63
R128
0
C1
36
C237 0.1u
L2
14
D2
07
1S
V3
05
F
R2
38
10
0k
C2
21
47
0p
10
0k
C2
56
C226
1p
L2
088
.2n 1 .5p
C2
30
L2
09
8.2
n
8.2
n
C2
25
47
0p
R233
0
470p
C218
R2
29
10
0k
R126
0
C1
24
*
R170
C107
R474
0
D2
01
1S
V3
05
FC2
19
C2
20
R2
41
1M
C2
23
47
0p
*
R4
70 0
R4
71
0
R472R4
34
0
L421
12n
C4
51
5P
L426
220nC455
L416D408
1SV282F
L4
18
22
0n
R4
43C
46
1
47
0p
D406
1SV282F
C4
99
L4
07
L415
C4
35
10
0p
C4
63
L4
19
R4
44
15
0
L427
C458 C4
76
47
0p
L4
06
22
0n
C4
98
*
*
*
*
*
*
* *
*
* **
* ** * **
**
**
****
*
*
*
*
* *
*
**
*
* **
*
*
*
*
*
*
*
*
*
*
*
*
*
*
**
*
*
*
*
* **
* *
*
*
*
* *
*
L429
C4
36
10
0p
L4
28
L904
L905
*
C4
15
0.0
1u
C4
12
10
p
C414 0.01u
33C
SB2 +B
D
/FR
ST
C6
82
10
00
p
R6
34
1k
CN611
D
C
D
D
-t
SDO0
SCK0
/EVCS
MOD
MIC
DISP_VER
SC
K0
/LC
DC
SS
DI0
MIC
I
SPAF
S1S2
COM1COM2
COM3COM4
S33
S30S29S28S27
S2
6S
25
S2
4S
23
S2
2S
21
S2
0S
19
S1
8S
17
S1
6S
15
S14S13S12S11
S10S9S8S7
S6S5S4S3
TV1
TV2
LE
DG
LE
DR
ASQ
SD
O0
TV2
TV1
MICI
S31S32
SPAF
MIC
ASQAPC
SDO0
SDI0
SCK0
CO
M1
CO
M2
CO
M3
CO
M4
S1
S2
S3
S4
S5
S6
S7
S8
S9
S1
0S
11
S1
2S
13
S1
4S
15
S1
6S
17
S1
8
S1
9S
20
S2
1S
22
S2
3S
24
S2
5S
26
S2
7S
28
S2
9S
30
S3
1S
32
S3
3
KL
C
AS
QA
PC
ASQ
33
MD
50
CD
/LCDCS
/EVCS
DISP_VER
MOD
50C
RXAF_2
SQ_SW
VCO_MOD
VREF
VREF
33A
33A
33A
33A
BL
C
33M
SB2
SB2
SB2
SB2
R85L1
R86
R84
L2
R3
4
10
0k
R50
22k
R3
5
10
0k
C74
1u
R4
51
00
kR
44
10
0k
C49 1000p
C7
0
1u
C5
4
33
0p
R3
3
10
0k
C5
8
68
p
C45
R5
3
1.8
k
IC6TC75W51FK(F)
1 oUTA
2
3
4 VSS 5
6
7oUTB
8VDDC48 1u
C6
7
10
00
p
C68
0.01u
R3
0 0
D1
8
C23
C3447p
D1
9
C7
R5
2
47
0
C26
47p
C3147p
C2847p
C29
C33
C42
C44
47p
C43
S2S70-0516-05
S3S70-0516-05
S4S70-0516-05
CP1100x4
CN6
1
2
3
4
5
6
R76
R7
4
Q8
R7
5
C9
0
R23
0
R24
0
C35
0.1u
R2
9
0
R2
8
0
C4
7
0.1
u
C40 47p
C3647p
IC4
R2A20178NP
1V
IN2
2V
DD
3L
D
4C
LK
5D
I
6V
IN3
7VoUT3
8VoUT4
9VIN4
10VIN5
11VoUT5
12VoUT6
13
VIN
6
14
VD
AR
EF
11
5V
DA
RE
F2
16
RE
SE
T1
7G
ND
18
VIN
7
19VoUT7
20VoUT8
21VIN8
22VIN1
23VoUT1
24VoUT2
R7
3
C7
9
C8
5
C83
C8
4
CP12 1kx4
CP
71
kx4
CP4 1kx4 CP11 1kx4CP
81
kx4
CP13 1kx4
CP14 1kx2
IC8
1P1/S1
2P2/S2
3P3/S3
4P4/S4
5S5
6S6
7S7
8S8
9S9
10S10
11S11
12S12
13S13
14S14
15S15
16S16
17
S1
7
18
S1
8
19
S1
9
20
S2
0
21
S2
1
22
S2
2
23
S2
3
24
S2
4
25
S2
5
26
S2
6
27
S2
7
28
S2
8
29
S2
9
30
S3
0
31
S3
1
32
S3
2
33S3334S34
35S35
36S36
37S37
38S38
39CoM4/S39
40 CoM341
CoM242
CoM143
KS1/S4044
KS2/S4145
KS3/S4246KS4
47 KS548 KS6
49
KI1
50
KI2
51
KI3
52
KI4
53
KI5
54
VD
D5
5V
LC
D5
6V
LC
D1
57
VL
CD
25
8V
SS
59
TE
ST
60
oS
C6
1D
o6
2C
E6
3C
L6
4D
I
CP
91
kx4
CP2 1kx4
R67
D16
R18
39k
C16
1000p
C1
3
10
0p
TH
1
C1
9
0.1
uC
21
0.0
1u
IC1TC75W51FK(F)
ASQ BPF
1 oUTA
2 IN-A
3 IN+A
4 VSS 5IN+B
6IN-B
7oUTB
8VDD
R1
71
00
k
R1
9
22
0k
R9
33
k
C220.22u
R4
82
k
R2
10k
R1
53
.3k
C2
5
C5
0.1
u
C1
0
10
0p
C2
0
10
00
p
R14
330k
D2KDR731
R8
15
k
C2
68
0p
KTC4075E(Y,GR)Q3
R1
1
33
0k
R1
3
47
0
C3
27
p
C6
1000p
R2
0
22
0k
C8
L3
CP
10
10
0x4
R7
2
R7
0
R7
1
C7
8 R69
Q7
R6
6
D1
3D
14
D1
1D
12
D8
D7
D9
D1
0
Q6
R6
3
R6
4
R6
2
R6
1
S1S70-0516-05
C11
680p
SSM3K15TE(F)Q2
R1
2
33
0k
S5
S
S20
C
S15
B
S10
A
S6
1
S16
3
S11
2
S17
6
S12
5
S7
4
S8
7
S13
8
S18
9
S9 S14
0
S19
#
CP3 470x4
CP6
470x4
R1
4.7
k
R7
4.7kC4
47
0p
R6
82
0
R5 10
C1
47
0p
D1
B3
0-2
27
8-0
5
R3
39
0
Q1
UM
G9
N
15
32
D15
C30
1u
R21
56k
C3
2
12
00
p
R22
56k
C3
8
18
0p
R26
68k
R1
6
47
R10
0
IC2TC75W51FK(F)
1 oUTA
2 IN-A
3 IN+A
4 VSS 5IN+B
6IN-B
7oUTB
8VDD
C39
0.1u
CP5 1kx4
LCD
CN5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
R3
7
15
0k
C6
2
10
0p
C71
0.1u
R47
22k
R78
6.8k
R77
10k
R79
56k
C9
2
10
00
p
R81 0
C7
31
0u
R82
R83
0
C9
3
0.0
1u
C9
4
0.0
1u
R6
5R88
0
C5
2
0.1
u
2SC4738(GR)FQ4
R40
10k
D3DA221
R4
1
68
k
C5
3
0.1
u
D4DA221
R39
10k
C6
3
1u
C6
4
1u
R4
2
68
k
2SA1832(GR)FQ5
PTT Side 2Side 1
GND
+-
+ -
LCD BACKLIGHT
PTT
/S1
/S2
/EMG
GNDEMG
KEY BACKLIGHT
(0V-1.65V)
(0V-3.3V)
HN2S03FE
1SS388F
B3
0-2
21
0-0
5
2SC5383-T111
2SA1362-F(GR)
2SC5383-T111
B3
0-2
33
7-0
5
CP2
RK74HB1J102J
RK74HB1J102J
CP3
RK74HB1J102J
CP4
RK74HB1J102J
CP5
RK74HB1J102J
RK74HB1J102J
CP6 CP7 CP8
RK74HB1J102J
RK74HB1J102J
CP9
RK74HB1J101J
CP10
RK74HB1J101J
CP11 CP12 CP13 CP14
D10 D11 D13 D14
HN2S03FE
HN2S03FE
D15 D18
B30-2210-05
B30-2210-05
D19
B30-2210-05
B30-2210-05
IC8
LC75857W-E
LC75857W-E
Q6
2SA1362-F(GR)
2SA1362-F(GR)
Q7
2SC5383-T111
2SC5383-T111
Q8
2SC5383-T111
2SC5383-T111
S5
S70-0519-05
S70-0519-05
S70-0519-05
S6
S70-0519-05
S8S7
S70-0519-05 S70-0519-05
S9
S70-0519-05
S70-0519-05
S10 S11
S70-0519-05
S12
S70-0519-05 S70-0519-05
S13 S14 S15
S70-0519-05
S16
S70-0519-05
S17
S70-0519-05
S18 S19
L92-0138-05
L3
L92-0138-05
D7
B30-2337-05
1SS388F
D16
1SS388F
X54-3760-XX
-10 NO
-11
-12
NO
3.3k
X54-3760-XX
-10
-11
-12
X54-3760-XX
X54-3760-XX
RK74HB1J471J
RK74HB1J471J
NO NO NO NO
RK74HB1J471J
NO
NO
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
NO NO NO NO NO NO NO NO
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
RK74HB1J102J
D8 D9 D12
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
NO
B30-2337-05
NO
B30-2337-05
NO
B30-2337-05 B30-2337-05
NO NO NO NO NO NO NONO
NO NO
NO
NO NO
NONO
NO
NO
NO NO
NONO
NO NO NONO NO
NONO
S70-0519-05 S70-0519-05
NO
NO
NO
S70-0519-05 S70-0519-05
NO
NO
NO
NO
K,K4,E3
K3,K6,E
X54-3760-XX
-10
-11
-12
K2,K5,E2 NO
NO
NO
NO NO NO NO NONO NONO NONO
NO
NO
S20
S70-0519-05
NO
S70-0519-05
NO
R61 R62 R63 R64 R65 R66 R67 R69 R70 R71 R72 R73
3.3k 6.8k
6.8k
0 10k
0 470
470 2.2k
2.2k 10k
10k
10k
10k
10k
43k
43k
X54-3760-XX
-10
-11
-12 NO NO NONO NO NO
R74 R75 R76 C78
680
2.2k
2.2k
C79 C83 C84 C85 C90
NO NONO
120
120
680 0.01u
0.01u 0.047u
0.047u
1000p
1000p
0.047u
0.047u 680p
680p
0.01u
0.01u
47p
47p
47p
47p
47p
47p
RED
47p
0.2
2u
1000p
DISPLAY UNIT (X54-3760-XX) (A/3)
33M
SB2
SB2
LEDG
LEDR
LEDG
LEDR
33M
33M
33A
33M
-10
-11
-12
-10
-11
-12
LCD DRIVER
TX/BUSY LEDD1
TX/BUSYLED
KEY BACKLIGHT
Q6
BACKLIGHT CONT
Q7 Q8
LCD BACKLIGHT
KEY CONT
D15,16
D7-14
D/A CONV
AGC DETD3,4
MIC AGCQ4,5
VCO MOD/VREF
AF LPF/MIC AMP
SQL NOISE AMP
BW SW
NOISE DET
4
50C
50C50C
33A
C15 0.01u
C3
7
47
00
p
3.3k 3.3k 3.3k
3.3k
LCD
YES
NO
YES
GRN
PTT SECTION(X54-3760-XX) (B/3)
TX
-RX
UN
IT(X
57-8
050-
XX
)
C
N3
TX
-RX
UN
IT (
X57
-805
0-X
X)
CN
2
1 1
*
*
*
*
**
*
*
*
*
*
*
*
* * *
* *
*
***
*
*
*
* *
* * *
* *
*
**
** *
*
***
**
*
* *
*
*
*
**
*
* * * *
***
* * *
***
***
**
NO
R84 R85 R86
0
0
NO NO
NO
NONO
0
R82
INTSP
10
0k
C43
0
100P
C5
54
470p
C5
57
47
0p
0
47pC623
*
*
L1
02
*
*
C36
2
10
0p
C36
1
10
0p
R4
55
0
C614 47p
5
L102
K,K2,K3
X57-8050-XX
-10
-11 K4,K5,K6,E,E2,E3 NO
R1 R2 R111 R170 R205 R208 C106
0
*
R2
R1**
L104 L204 L205 L206 C107 C113 C114 C115 C118 C124 C212 C214 C217 C219 C220
NO
NO NO
0
8.2n
12n
18n
18n 18n
15n 15n 18n
22n
0 2.7k
2.2k
180k270
220 150k
22p
15p 12p
15p 6p
12p
10p
22p
3p
NO
NO
12p
18p
27p
10p
12p
7p
8p
3p
4p
1p
3.5p 18p
10p
L118
K,K2,K3
X57-8050-XX
-10
-11 K4,K5,K6,E,E2,E3
C148L119 L214 R132 C149 C152 C153 C154 C157 C158 C160 C161 C163 C164 C261
NO
NO NO8.2n
6.8n 47n
39n
0
6p
5p 68p
47p 2.5p
3p
2p
1p
3.5p 1.5p
1p
2.5p
5p
4p
3p 6p
4p 2p
3p
18p
C136C135C131 C138 C141 C144 C260C259C258C256C249C230
39p 33p
47p 10p
6p
8p 2p
10p
22p
7p
8p
3p
4p
1p
18p
10pNO
33p
C156
3.5p
9p
C225 C229
10p
22p
10p
20p
6p
7p
3p
4p
6p
7p
L34-4564-05
L34-4565-05
L404
K,K2,K3
X57-8050-XX
-10
-11 K4,K5,K6,E,E2,E3
L415 R436 R443L407 L409 L411 L413 R447 R472 C440 C441 C447 C455 C457 C458 C462 C463
180n
220n
180n 100k
82k
180
220 22
10 33
0
120p
330p
120p
470p
120p
270p
6p
8p
5p
6p
3p
4p
2p
5p
18p
10p
C477 C498 C499C471L416 L419 L422 L427
220n
180n
220n
180n
220n
180n
220n 18n
15n 18n
22n
180n
220n 33n
27n 180n
220n 8p
4p
470p
5p 0.75p
1p
NO
1p
K,K4,E3
K3,K6,E
K2,K5,E2
K,K4,E3
K3,K6,E
K2,K5,E2
K,K4,E3
K3,K6,E
K2,K5,E2
K,K4,E3
K3,K6,E
K2,K5,E2
K,K4,E3
K3,K6,E
K2,K5,E2
*
ANT
NO NO
IC601
FlashMemory SRAM
PCK_DSP/PCS_DSPPLL MOD
/DRST, /HDS2, /HRDY/DINT, FSDET, /HINT, /DWUP
/SYMTIM
MCDIAF, /MCSCKAF, /MCCSAF, MCD0AF, MCDICN, /MCCSXCN, HOST_RDY, DSP_ST,
MCSCKCN
/CS0, /CS2, /CS3, /CS4D0~D15, A0~A20, /WR, /RD
SDO0, SCK0, SDI0/EVCS, /LCDCS
SDI0DISP_VER
33M 33M
SB2
50C
33A I2CCKI2CDT
MotionSensor
33M
15M
IC605
DSPIC603
Q602SSM3K15TE(F)
IC613KXSD9-2050
ASQ
IC304(1/2)TC75W51FK(F)
ASQDET
ASQAPC
ASQAPC
VCO_MOD
TV2
TV1
RXAF_2
MOD
MIC
VOX
SPAF
IC904TC75S51FE(F)
BEEP, RXAF, VOICE
MICI
J1
J2
50V
MIC+
MIC–
SP+
SP–
CN4
VR1Volume
S101Selector
CN1
ENC1ENC2ENC3ENC4
VOL
OPTDET
AFSW
EXTMICSW
PTT/RXD
TXD0
Q901RT1N141U-T111
Q903RT1N441U-T111
IC901TA7368FG
+B
Q9022SA1362-F(GR)
Q904,Q9052SK3577-A
DC SW
DC SW
DC SW
50VQ907UPA672T-A
Q906RT1N141U-T111
+BSB133A
CN
224
-pin
Co
nn
ecto
r
/BINT, /PSW,S-DET, OPTDET
PLD
BATT, TEMP, THP, CV
CN3
PTTRXD/KEYI1/KEYI0/EMG
PTT
Side1
Side2
/EMG
ASIC
IC610
/T_R, /DSW, /APCSW, PDSW, ASSISTTXC, RXC, /SAVE, SBC, DDCLK
EXTMICSW
RSSI
IF_DET
RESET 33M
IC607XC6119C29ANR
IC304(2/2)TC75W51FK(F)
PCK_DSP
SCK1
/PCS
SD01
PLD
PLL MOD
/PCS_RF
/PCK_RF
/PCS_DSPIC612
TC7SH08FU-F
IC611TC7SH08FU-F
33C TCXO
X40116.8MHz
33M
X60118.432MHz
TXCO
33A 15M 33M
BS
HIF
T
IC609SM5023CNDH-G
Q403: 2SC5383-T111D414: HSC119Ripple
Filter50CS
T/R VCOSW
T/RSW
/T_R
IC403SKY72310-362
33C
50C
PLL
LoopFilter VCO
CV
Q406: SSM6L05FU-FQ407: SSM3J05FU-F
IC404(1/2)TC75W51FK(F)
VCO_MOD
Assist
50C
100C
LPF
BPF50.4MHz
BPF
BPF
50CS
Q4082SC5636
BUFFAMP
BUFFAMP
Q4052SC5108(Y)F
IC402: XC221A1200MRGD401: DA221
K4,K5,K6,E,E2,E3TX: 400~470MHzRX: 350.05~420.05MHz
K,K2,K3TX: 450~520MHzRX: 400.05~470.05MHz
Q401,Q402 : MCH3914(8)-HD410: 1SV278FD403,D404: 1SV323FD402,D405,D406,D407,D408,D409,D411,D415 : 1SV282-F
D412,D413HSC277
50T 50R
LPF
Q3012SC5108(Y)F
x3
50R
CF2450kHz
CF1450kHz
IF ICIC302
TK10931VTL-GIF
AMP
Q3032SC4215-F(Y)
MCF
XF149.95MHz
1stMIXER
Q2013SK318
K4,K5,K6,E,E2,E3TX: 400~470MHz
K,K2,K3TX: 450~520MHz
Q1022SC5754
Pre-DriveAMP
Q103RD01MUS1-T113
DriveAMP
Q104RD07MUS2BT112
FinalAMP
ANTSW LPF
ANT
D102,D103HVC131
D105,D106RN142S
PDSW PD SW APC SW
APC SW
APC SW/DSW
Q110SSM6L05FU-F
50T
Q1052SC5383-T111
Q108SSM3J05FU-F
APCIC101TA75W01FUF
+B
Protect
/APCSW
ASQAPC
50C
IC404(2/2)TC75W51FK(F)
50T
Q107SSM3K15TE(F)
Q106RT1N441U-T111
Q109SSM3K15TE(F)
50T
TUNETUNE TUNE D2071SV305F
D204,D2061SV305F
K4,
K5,
K6,
E,E
2,E
31s
t Lo
cal:
350.
05~4
20.0
5MH
z
K,K
2,K
31s
t Lo
cal:
400.
05~4
70.0
5MH
z
TV2
TV1
IC201(1/2)TC75W51FK(F)
IC201(2/2)TC75W51FK(F)
D201,D202,D2031SV305F
BPF BPF BPF
L207,L208,L209
RFAMP
Q2023SK318
L212,L213 L214
50R
33M
15M
33C
50V
33A
5VC
D902DAN222
IC502NJM2878F4-33
IC501NJM2878F4-33
AVR
AVR
AVR
AVR
AVR
IC503XC9235A15CM-G
IC505XC6209B332M-G
DC/DC
IC902XC6209B502P-G
BATT7.5V
+
–
SS-DET
38M
DC SW
SBCD508
DAN222
L509D505: 1SS388F
D506: HRB0502AIC506: LT1616ES6-PBF
DC/DCConverter
Q509EMD12
IC507XC61CC5602N-G
BATTINT
SB1
/BINT
/PSW
Q506SSM6N16FE-F
Q507SSM6N16FE-F
SB2
BATT
DC SW
DC SW
DC SW
DC SW
Q501: 2SJ648-AQ502: SSM3K15TE(F)
SBC
50C
50R
50CS
50T
100C DC/DCConverter
Q510RT1N141U-T111
D511,D512: 1SS416IC509: TC7W53FK(F)
Q505: 2SA1955A-FQ511: RT1N441U-T111
Q512SSM6L05FU-F
Q503EMD5
IC504XC6209B502P-G
SBC
RXC
/SAVE
TXC
DDCLK
TX-RX unit (X57-8050-XX)
PTT section(X54-3760-XX) (B/3)
EXTSP/MIC
APC SW