sony subwoofer with stk404
TRANSCRIPT
1
SERVICE MANUAL US ModelCanadian Model
AEP ModelUK Model
E Model
SA-WM250
ACTIVE SUBWOOFER
Ver 1.0 2004.03
Sony CorporationHome Audio Company
Published by Sony Engineering Corporation
9-877-696-012004C04-1
© 2004.03
AUDIO POWER SPECIFICATIONSPOWER OUTPUT AND TOTAL HARMONICDISTORTION:With 6 ohm loads, from 28 – 200 Hz; rated 100 watts,minimum RMS power, with no more than 0.8 % totalharmonic distortion from 250 milliwatts to ratedoutput.
SystemType Active Subwoofer (magnetically shielded design)Speaker unit Woofer: 20 cm dia. (8 in.), cone typeRMS output 100 W (6 Ohms, 40 Hz, 10% THD)Frequency range 28 Hz – 200 HzHigh frequency cut-off frequency
50 Hz – 200 HzPhase selector NORMAL, REVERSE
SPECIFICATIONS
InputsInput jacks INPUT: input pin jack
SPEAKER IN: input terminalsOutput jacks SPEAKER OUT: output terminals
GeneralPower requirements Taiwan models: 110 V AC, 50 Hz
USA and Canada models: 120 V AC, 60 HzOther models: 230 V AC, 50/60 Hz
Power consumption 100 WDimensions Approx. 290 × 355 × 387 mm
(11 3/8 × 14 × 15 1/4 in.) (w/h/d)Mass 11.5 kg (25 lb 6 oz)Supplied accessories Foot pads (4)
Audio connecting cord (1 phono – 1 phono),2 m (6 ft 6 1/2 in.) (1)Speaker cords, 2.5 m (8 ft 2 1/2 in.) (2)
Design and specifications are subject to change without notice.
2
1.5 kΩ0.15 µFACvoltmeter(0.75 V)
To Exposed MetalParts on Set
Earth Ground
SAFETY CHECK-OUTAfter correcting the original service problem, perform the follow-ing safety check before releasing the set to the customer:Check the antenna terminals, metal trim, “metallized” knobs, screws,and all other exposed metal parts for AC leakage.Check leakage as described below.
LEAKAGE TESTThe AC leakage from any exposed metal part to earth ground andfrom all exposed metal parts to any exposed metal part having areturn to chassis, must not exceed 0.5 mA (500 microampers.).Leakage current can be measured by any one of three methods.1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use theseinstruments.
2. A battery-operated AC milliammeter. The Data Precision 245digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of aVOM or battery-operated AC voltmeter. The “limit” indica-tion is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-amples of a passive VOM that is suitable. Nearly all batteryoperated digital multimeters that have a 2 V AC range are suit-able. (See Fig. A)
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINEWITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND INTHE PARTS LIST ARE CRITICAL TO SAFE OPERATION.REPLACE THESE COMPONENTS WITH SONY PARTS WHOSEPART NUMBERS APPEAR AS SHOWN IN THIS MANUAL ORIN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LESDIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONTCRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NEREMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONYDONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OUDANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
TABLE OF CONTENTS
1. GENERALLocation of Controls ................................................................ 3
2. DIAGRAMS2-1. Note for Printed Wiring Boards and Schematic Diagrams ............................................................ 32-2. Circuit Boards Location ...................................................... 32-3. Printed Wiring Boards – Main Section – ............................ 42-4. Printed Wiring Board – Input Control Section – ................. 52-5. Printed Wiring Boards – Power Section – ........................... 62-6. Schematic Diagram – Main Section – ................................. 72-7. IC Block Diagram ............................................................... 8
3. EXPLODED VIEWS3-1. Main Section ....................................................................... 9
4. ELECTRICAL PARTS LIST ......................................... 10
SA-WM250
• UNLEADED SOLDERBoards requiring use of unleaded solder are printed with the lead-free mark (LF) indicating the solder contains no lead.(Caution: Some printed circuit boards may not come printed withthe lead free mark due to their particular size.)
: LEAD FREE MARK
Unleaded solder has the following characteristics.• Unleaded solder melts at a temperature about 40°C higher than
ordinary solder.Ordinary soldering irons can be used but the iron tip has to beapplied to the solder joint for a slightly longer time.Soldering irons using a temperature regulator should be set toabout 350°C.Caution: The printed pattern (copper foil) may peel away ifthe heated tip is applied for too long, so be careful!
• Strong viscosityUnleaded solder is more viscous (sticky, less prone to flow)than ordinary solder so use caution not to let solder bridgesoccur such as on IC pins, etc.
• Usable with ordinary solderIt is best to use only unleaded solder but unleaded solder mayalso be added to ordinary solder.
(Fig. A)
3 3
SA-WM250
2-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
CONTROL board
POWER TRANS board
SWITCH board
INPUT CONTROL board
MAIN board
2-2. CIRCUIT BOARDS LOCATION
SECTION 2DIAGRAMS
SECTION 1GENERAL
LOCATION OF CONTROL
This section is extractedfrom instruction manual.
INPUT
SPEAKER ININ OUT
INPUT
L
SPEAKER
L
R R
Amplifier
This subwoofer
IN OUT
L
SPEAKER
L
R R
SPEAKERThis subwoofer
IN OUT
L
SPEAKER
L
R R
Front Speaker (R) Front Speaker (L)
SPEAKER A
IN OUT
L
SPEAKER
L
R R
SPEAKER B
A1
B2 1
C2
LEVEL
PHASE
E
POWER
1F
AmplifierThis subwoofer
MONO OUTINPUT
D
CUT OFF FREQ
Front Speaker (R) Front Speaker (L)
Amplifier
This subwoofer
Amplifier
CUT OFF FREQ200Hz
NORMALREVERSE
50Hz
PHASE
MAX
MIN
LEVEL
IN OUT
L L
R R
43
2 1
50Hz
200Hz
75Hz
120Hz 150Hz
100Hz
2G
Foot pads
POWER indicator
Precautions
On safety• Before operating the subwoofer, be sure that the
operating voltage of your subwoofer is identical withthat of your local power supply.
• Unplug the subwoofer from the wall outlet if it is not tobe used for an extended period of time. To disconnectthe cord, pull the cord by grasping the plug. Neverpull the cord itself.
• Should any liquid or solid object fall into thesubwoofer, unplug the subwoofer and have thesubwoofer checked by qualified personnel beforeoperating it any further.
• AC power cord must be changed only at the qualifiedservice shop.
When turning on or off an amplifier or otherequipmentLower the volume of the amplifier to minimum.
To avoid damaging the subwoofer• Be careful in setting the volume control of the amplifier
to avoid an excessive input power.• Do not attempt to open the enclosure or remold
speaker units and networks.
In case color irregularity is observed on thenearby TV screenWith the magnetically shielded type of the speakersystem, the speakers can be installed near a TV set.However, color irregularity may still be observed on theTV screen depending on the type of your TV set.
If color irregularity is observed...t Turn off the TV set once, then turn it on after 15 to
30 minutes.
If color irregularity is observed again...t Place the speakers further apart from the TV set.
When howling occursRelocate the speaker or turn down the volume of theamplifier.
On installation• Do not install the subwoofer near heat sources such as
radiators or air ducts, or in a place subject to directsunlight, excessive dust, mechanical vibration or shock.
• Good ventilation is essential to prevent internal heatbuild-up in the subwoofer. Place the subwoofer in alocation with adequate air circulation. Do not place thesubwoofer on a soft surface.
• Use caution when placing the speaker on a speciallytreated (waxed, oiled, polished, etc.) floor, as stainingor discoloration may result.
On cleaning the cabinetClean the cabinet with a soft cloth lightly moistened withwater. Do not use any type of abrasive pad, scouringpowder or solvent such as alcohol or benzine.
If you have any questions or problems concerning yoursubwoofer that is not covered in this manual, pleaseconsult your nearest Sony dealer.
Installation
Since the human ear cannot detect the direction andposition where the bass sound being reproduced by asubwoofer (below 200 Hz) comes from, you can installthe subwoofer wherever you like in your room. Toobtain a better bass reproduction, we recommend youto install the subwoofer on a solid floor where theresonance is unlikely to occur.
Notes• Always install the subwoofer vertically, keeping a few
centimeters away from the wall.• Do not place an object on the subwoofer or sit on it.• If the subwoofer is installed in the center of a room, the
bass could be extremely weakened. This is due to theinfluence of the standing wave of the room. If thishappens, move the subwoofer away from the center ofa room or eliminate the cause of the standing wave, byinstalling a bookshelf on the wall, etc.
Hooking Up the System
OverviewUse the INPUT jacks or the SPEAKER IN terminals of thesubwoofer when you connect the amplifier.• If your amplifier has one of the following types of
output jacks, connect the INPUT jack and theamplifier's jack using the supplied audio connectingcord.— MONO OUT jack— MIX OUT jack— SUBWOOFER output jack(s)— SUPER WOOFER output jack(s)
• If your amplifier does not have the above mentionedoutput jacks, connect the speaker terminals of theamplifier to the SPEAKER IN terminals instead. (A)
Before you get started• Turn off the power of the amplifier and the subwoofer
before making any connection.• Use the audio connecting cords that are supplied to
the respective equipment. If there are not enoughaudio connecting cords to make the necessaryconnections, you need to purchase some optionalaudio connecting cords.
• Be sure to make connections firmly to avoid noise.• Connect the AC power cord from the subwoofer to
a wall outlet.• You cannot connect the CENTER output jack for use
with Dolby Pro Logic function to the subwoofer.Bass sound is not output with some Dolby Pro Logicmodes.
Connecting to an amplifier with asingle set of speaker terminals (B)If your amplifier is equipped with a single set of speakerterminals, connect the subwoofer to the amplifier, andthen connect the front speakers to the subwoofer.
Hookups
1 Connect the subwoofer to the amplifier.
Connect the SPEAKER IN terminals of thesubwoofer to the amplifier’s speakerterminals with the speaker cords. Be sure toconnect both L and R channels.
2 Connect the front speakers to the subwoofer.
Connect the speakers to the SPEAKER OUTterminals of the subwoofer.
Connecting to an amplifier withdouble (A+B) sets of speakerterminals (C)If your amplifier has double (A+B) sets of speakerterminals, connect both the subwoofer and the frontspeakers to the amplifier.
Hookups
1 Connect the front speakers to the amplifier.
Connect the speakers to your amplifier’sSPEAKER A terminals.
2 Connect the subwoofer to the amplifier.
Connect the SPEAKER IN terminals of thesubwoofer to the amplifier’s SPEAKER Bterminals using the supplied speaker cords.
When using the double (A+B) sets of speakers, makesure that you select the “A+B” position with youramplifier.
NoteWhen you are using SPEAKER A terminal (frontspeaker) only or when the power of the amplifier isturned off, turn down the volume or turn off the powerof the subwoofer. Otherwise, hum noise may be heard.
Connecting to an amplifier with aspecial jack for a subwooferIf your amplifier has a special jack for a subwoofer (suchas MONO OUT jack, MIX OUT jack, SUBWOOFER jackor SUPER WOOFER jack), connect the INPUT jack of thesubwoofer to one of those jacks.
Hookups (D)Connect the MONO OUT jack of your amplifier to theINPUT jack of the subwoofer with the supplied audioconnecting cord.
NoteIf the output level of your amplifier is not large enough,the sound may not be loud enough. In this case, connectthe speaker terminals of the amplifier directly to theSPEAKER IN terminals of the subwoofer.
Connecting the AC power cord• Connect the AC power cord from the subwoofer and
from your amplifier to a wall outlet.• Make sure that power to the subwoofer is turned off
before you plug in or unplug any power cord.
Listening to the Sound (E)
1 Turn on the amplifier and select the programsource.
2 Press POWER.
The subwoofer turns on and the POWERindicator lights up in green.
3 Play the program source.
Adjust the VOLUME so that sound from thefront speakers is not distorted.If it is distorted, the sound from thesubwoofer will also be distorted.
Notes• Never set the amplifier’s tone control (BASS, TREBLE,
etc.) or the equalizer output to a high level or inputsinewaves of 20 Hz to 50 Hz recorded on acommercially-available test disc or special sound (basssound of electronic musical instrument, pop noise ofanalog disc turntable, sound with abnormallyenhanced bass, etc.) in a high level to this unit. Theseactions may cause damage to the speakers.When a special disc containing abnormally enhancedbass is played, noise may be output in addition to theoriginal sound. In such a case, reduce the sound level.
• The subwoofer output signal (DOLBY digital signal)of the digital surround processor sold singularly is set10 dB higher by Dolby laboratories LicensingCorporation. In the case of using normally, adjust thesubwoofer level.
Adjusting the Sound (F)
You can adjust the sound of the subwoofer to suit thesound of your front speakers. Reinforcing the bass soundgives you a greater sense of atmosphere.
1 Adjust the cut-off frequency.
Turn the CUT OFF FREQ control, dependingon the reproduction frequencies of your frontspeakers.
Refer to the following when adjusting.
1Typical very small sized speakers: 5 – 7 cmdia.
2Typical small sized speakers: 8 –15 cm dia.
3Typical medium sized speakers: 16 –24 cmdia.
4Typical large sized speakers: more than 25cm dia.
To make the most of the low level converterfunction of Dolby digital, turn the CUT OFFFREQ as high as possible when playing backthe Dolby digital.
2 Adjust the volume level of the subwoofer.
Turn the LEVEL control so that you can hearthe bass sound a little more than before. Toincrease the volume, turn the LEVEL controlclockwise. To reduce the volume, turn theLEVEL control counterclockwise.
3 Play your favorite song and movie.
Male vocal tunes and voice containing basssounds are most suitable for adjustment.Turn the volume for front speakers to thesame level as usual.
4 Select the phase polarity.
Use the PHASE selector to select the phasepolarity.
5 Repeat steps 1 to 4 to adjust for yourpreference.
Once you have adjusted the subwoofer to thesettings you want, use the VOLUME controlon the amplifier to adjust the volume of thesubwoofer with that of the other speakers.You don’t need to adjust the subwoofersettings when you change the volume levelof the amplifier.
Notes• If the sound distorts when you turn on the bass
reinforcement from your amplifier (such as, DBFB,GROOVE, the graphic equalizer, etc.), turn off the bassreinforcement and adjust the sound.
• Do not turn the volume of the subwoofer to maximum.Doing so may weaken the bass sound. Moreover,extraneous noise may be heard.
• Selecting NORMAL or REVERSE with the PHASEselector reverses the polarity and may provide betterbass reproduction in certain listening environments(depending on the type of front speakers, the positionof the subwoofer and the adjustment of the cut-offfrequency). It may also change the expanse andtightness of sound, and effect the feeling of the soundfield. Select the setting that provides the sound youprefer when listening in your normal listening position.
Setting the speaker (G)To prevent speaker vibration or movement whilelistening, attach the supplied foot pads to the speaker.
THIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this, the necessary note is printedin each block.)
For schematic diagrams.Note:• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolyticsand tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specified.• f : internal component.• C : panel designation.
For printed wiring boards.Note:• X : parts extracted from the component side.• Y : parts extracted from the conductor side.• : Pattern from the side which enables seeing.• Abbreviation
CND : Canadian model.MY : Malaysia model.SP : Singapore model.
• A : B+ Line.• B : B– Line.• Voltages are dc with respect to ground under no-signal
(detuned) conditions. no mark : Power on• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-tion tolerances.
• Signal path.F : AUDIO
• AbbreviationCND : Canadian model.MY : Malaysia model.SP : Singapore model.TW : Taiwan model.
Note:The components identi-fied by mark 0 or dottedline with mark 0 are criti-cal for safety.Replace only with partnumber specified.
Note:Les composants identifiés parune marque 0 sont critiquespour la sécurité.Ne les remplacer que par unepiéce portant le numérospécifié.
44
SA-WM250
2-3. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 3 for Circuit Boards Location. : Uses unleaded solder.
1
A
B
C
D
E
F
2 3 4 5 6 7 8 9 10 11 12 13 14
CN402
CN301
IC301
RY301
C401
C402
C405
C407 C408
D40
2 D40
3
Q50
1
Q50
2
Q50
3
Q50
4
D50
1 C501
C502
C503R403
R404
C308
C306
C307
R307
C302
R301
R30
2
R401
R40
2
D30
4
R31
1
R31
2
C309
C310
R50
2
R50
3
JW10
2
JW11
6
C303
JW11
4JW
115
R308
D401
D301
JW10
6
R309
R303
C301
JW30
1
R508
Q50
5
R50
6 D50
2
R50
7
JW12
6
JW12
7
JW501C312
R50
5
R304
R50
1
G1
G2
R500
C409
C410
C313
JW128
R31
3
R31
5
D302
C406
R207
C203
C204
R208
R21
0
R20
5
R215
R21
6
C210
R217
C305C304
R504
C601
D60
2
R601
D205 D206
C205 C206
JW12
3
JW10
5
IC203IC202
JW10
7
CN201
JW10
8
JW132
JW10
9
R305
C311
CN202
JW11
0
R31
4JW
111
JW12
9
R30
6
JW10
1CNP111
C404
JW40
4JW403
JW103
JW104
C211
C209
JW11
7
JW11
8
R21
1
JW120
JW121
JW131
JW12
2
JW133
JW134
JW11
9
R31
0
C403
JW135
C316
C317
C318
C314
CN204
JW124
JW12
5
C411
C412
R317 JW130
JW11
2
CNP801
C801
RV801
(Page 6) (Page 5) (Page 5)(Page 6)
D205 D-8D206 D-8D301 F-4D302 F-4D304 C-6D401 C-3D402 C-4D403 C-4D501 B-5D502 F-4D602 B-8
IC202 D-9IC203 D-10IC301 F-7
Q501 B-6Q502 C-6Q503 B-7Q504 B-7Q505 F-4
• SemiconductorLocationRef. No. Location
5 5
SA-WM250
1
A
B
C
D
E
F
2 3 4 5 6 7 8 9 10 11 12 13 14
IC201
IC701 D20
4
C101
C201
S701
RV701
C701
C702
C703
C704
C705
C706
CN701
CN101
JW207
D20
3
JW20
8
J101
JW21
0
TM101
R10
3
R701
D20
2
D20
1
JW20
4
JW20
5
JW20
9
JW701
JW702
JW20
6
R20
2
R20
1
R203
R70
8
R70
7
R70
6
R704
R705
R702
R102 R104
R101R106R105 R
108
R109
R107
R703
R11
0
R204
2-4. PRINTED WIRING BOARD — INPUT CONTROL SECTION — • Refer to page 3 for Circuit Boards Location. : Uses unleaded solder.
(Page 4) (Page 4)
D201 C-12D202 C-12D203 C-11D204 C-12
IC201 C-10IC701 C-2
• SemiconductorLocationRef. No. Location
66
SA-WM250
2-5. PRINTED WIRING BOARDS — POWER SECTION — • Refer to page 3 for Circuit Boards Location. : Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2 3 4 5 6 7 8 9 10 11 12 13 14
CN1CN2
FH951
C2
CNP401
FH901
F901
JW2
JW1
C901
S901
CN3
CN90
1
D901
(Page 4)
(Page 4)
7 7
SA-WM250
2-6. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 8 for IC Block Diagram.
IC B/D
TW
CN204
JW403
JW404
S901
C2C407
C408
JW501
F901
J101
RV701
CN901
C101
C211
C311
C312C313
C401
C402
C409
C410
C411
C412
D20
1
D20
2
D20
3
D20
4
D30
1
D30
2
D304
D602
Q502
Q503
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110
R201 R202
R203
R204
R207
R208
R210
R211
R217
R301
R302
R303 R304
R305
R306
R307
R310
R311
R312
R313 R315
R317
R500R501
R502R503R504
R505
R506
R507
R508
R701R702
R703 R704
R705 R706 R707
R708
C209
C201
C701
C702
CN101 CN202
R205
C203 C204
C205
C206 C317
C316
C703
C704
C705
C706
C601 R601
C301
C314
C302
C303
C308
C307
C306C304 C305
C309
C310
R314
C503
C502
C405
C406
R402
R401
R403
R404
C403
C404
C318
CN2 CN3
R215
R216
C210
C801
TM101
RY301
IC201(2/2)
IC201(1/2)
IC202(1/2) IC202(2/2)
D20
5D
206
S701
IC701(1/2)
Q505
D502
IC301
R308
G1
G2
CN301
SP901
Q501
D501
C901
CN1
RV801
IC203(2/2)
IC203(1/2)
Q504
IC701(2/2)
D401
CN201 CN701
CNP111 CNP801
R309
D901
D402
D403
C501
CN402 CNP401
JW1T1
88
SA-WM250
IC301 STK404-130S (MAIN Board)
2-7. IC BLOCK DIAGRAM
1 2 3 4 5 6 7 8 9 10 11 12 13
9
SA-WM250SECTION 3
EXPLODED VIEWS
Ref. No. Part No. Description Remark
3-1. MAIN SECTION
Ref. No. Part No. Description Remark
The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.
Les composants identifiés par unemarque 0 sont critiques pourla sécurité.Ne les remplacer que par une piéceportant le numéro spécifié.
NOTE:• The mechanical parts with no reference
number in the exploded views are not supplied.• Items marked “*” are not stocked since
they are seldom required for routine service.Some delay should be anticipatedwhen ordering these items.
• -XX and -X mean standardized parts, sothey may have some difference from theoriginal one.
• Color Indication of Appearance PartsExample :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color• Accessories are given in the last of this
parts list.• Abbreviation
CND : Canadian modelMY : Malaysia modelSP : Singapore modelTW : Taiwan model
R R
1 A-4713-812-A SPEAKER CABINET ASSY (BLACK)...(BLACK)1 A-4715-636-A SPEAKER CABINET ASSY (WOOD)...(WOOD)2 4-229-774-01 SCREW, TAPPING, HEXAGON SOCKET3 4-253-174-01 GRILLE FRAME4 3-905-609-31 SCREW (TRANSISTOR)
* 5 3-703-244-00 BUSHING (2104), CORD06 1-769-744-11 CORD, POWER (AEP,UK,SP,MY)06 1-783-820-11 CORD, POWER (US,CND)06 1-827-597-41 CORD, POWER (TW)
7 4-999-482-81 KNOB (VOL)
8 4-235-677-01 SCREW (4X20) (TYPE1), +BVTP0F901 1-532-463-51 FUSE (T1AL/250V) (AEP,UK,SP,MY)0F901 1-533-450-12 FUSE, GLASS TUBE (DIA.5) (2.5A/125V)
(US,CND,TW)SP901 1-825-004-13 SPEAKER (20cm) (WOOFER)
0T901 1-439-624-11 TRANSFORMER, POWER (AEP,UK,SP,MY)
0T901 1-439-625-11 TRANSFORMER, POWER (US,CND,TW)#1 7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3#2 7-685-880-09 SCREW +BVTT 4X6 (S)#3 7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
12
2
SP901
T901
F901
#2
#2
#2
#2
#3
#3
#1
#1
not supplied
not supplied
not supplied
not supplied
not supplied(CONTROL board)
not supplied(MAIN board)
not supplied(SWITCH board)
not supplied(POWER TRANS board)
not supplied(INPUT CONTROL board)
3
4
5
6
7
7
8
8
8
8
A
A
supplied withRV801
supplied withRV701
10
SA-WM250SECTION 4
ELECTRICAL PARTS LIST
NOTE:• Due to standardization, replacements in
the parts list may be different from theparts specified in the diagrams or thecomponents used on the set.
• -XX and -X mean standardized parts, sothey may have some difference from theoriginal one.
• RESISTORSAll resistors are in ohms.METAL:Metal-film resistor.METAL OXIDE: Metal oxide-film resistor.F:nonflammable
• Items marked “*” are not stocked sincethey are seldom required for routine service.Some delay should be anticipatedwhen ordering these items.
• SEMICONDUCTORSIn each case, u : µ, for example:uA.. : µA.. uPA.. : µPA..uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD..
• CAPACITORSuF : µF
• COILSuH : µH
• AbbreviationCND : Canadian model TW : Taiwan modelMY : Malaysia modelSP : Singapore model
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.
Les composants identifiés par unemarque 0 sont critiques pourla sécurité.Ne les remplacer que par une piéceportant le numéro spécifié.
When indicating parts by referencenumber, please include the board.
CONTROL BOARD***************
< CAPACITOR >
C801 1-126-964-11 ELECT 10uF 20% 50V
< CONNECTOR >
CNP801 1-691-765-11 PLUG (MICRO CONNECTOR) 3P
< VARIABLE RESISTOR >
RV801 1-227-511-11 RES, VAR, CARBON 20K (LEVEL)*************************************************************
INPUT CONTROL BOARD********************
< CAPACITOR >
C101 1-128-813-11 CERAMIC 220PF 5% 50VC201 1-126-964-11 ELECT 10uF 20% 50VC701 1-126-947-11 ELECT 47uF 20% 35VC702 1-126-947-11 ELECT 47uF 20% 35VC703 1-126-963-11 ELECT 4.7uF 20% 50V
C704 1-131-702-11 FILM 0.68uF 5% 50VC705 1-136-157-00 FILM 0.022uF 5% 50VC706 1-126-965-11 ELECT 22uF 20% 50V
< CONNECTOR >
CN101 1-779-179-11 CONNECTOR (B5B-XH-A) 5PCN701 1-784-931-11 PIN, CONNECTOR 5P
< DIODE >
D201 8-719-991-33 DIODE 1SS133T-77D202 8-719-991-33 DIODE 1SS133T-77D203 8-719-991-33 DIODE 1SS133T-77D204 8-719-991-33 DIODE 1SS133T-77
< IC >
IC201 8-759-636-74 IC M5218AP-22IC701 8-759-636-74 IC M5218AP-22
< JACK >
J101 1-815-025-11 JACK, PIN 1P (INPUT)
< RESISTOR >
R101 1-260-107-11 CARBON 4.7K 5% 1/2WR102 1-247-879-11 CARBON 100K 5% 1/4WR103 1-247-879-11 CARBON 100K 5% 1/4WR104 1-247-847-11 CARBON 4.7K 5% 1/4WR105 1-247-847-11 CARBON 4.7K 5% 1/4W
R106 1-247-847-11 CARBON 4.7K 5% 1/4WR107 1-260-107-11 CARBON 4.7K 5% 1/2WR108 1-247-879-11 CARBON 100K 5% 1/4WR109 1-247-879-11 CARBON 100K 5% 1/4WR110 1-247-879-11 CARBON 100K 5% 1/4W
R201 1-247-847-11 CARBON 4.7K 5% 1/4WR202 1-247-831-11 CARBON 1K 5% 1/4WR203 1-247-847-11 CARBON 4.7K 5% 1/4WR204 1-247-847-11 CARBON 4.7K 5% 1/4WR701 1-247-847-11 CARBON 4.7K 5% 1/4W
R702 1-249-429-11 CARBON 10K 5% 1/4WR703 1-249-428-11 CARBON 8.2K 5% 1/4WR704 1-249-428-11 CARBON 8.2K 5% 1/4WR705 1-247-879-11 CARBON 100K 5% 1/4WR706 1-247-847-11 CARBON 4.7K 5% 1/4W
R707 1-249-429-11 CARBON 10K 5% 1/4WR708 1-249-429-11 CARBON 10K 5% 1/4W
< VARIABLE RESISTOR >
RV701 1-227-365-11 RES, VAR, CARBON 20KX2 (CUT OFF FREQ)
< SWITCH >
S701 1-786-490-11 SWITCH, SLIDE (PHASE)
< TERMINAL BOARD >
TM101 1-537-922-11 TERMINAL BOARD (SPEAKER)*************************************************************
MAIN BOARD***********
< CAPACITOR >
C203 1-131-696-11 FILM 0.22uF 5% 50VC204 1-131-696-11 FILM 0.22uF 5% 50VC205 1-126-964-11 ELECT 10uF 20% 50VC206 1-126-964-11 ELECT 10uF 20% 50VC209 1-128-813-11 CERAMIC 220PF 5% 50V
CONTROL
INPUT CONTROL MAIN
11
SA-WM250
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
C210 1-126-964-11 ELECT 10uF 20% 50VC211 1-128-813-11 CERAMIC 220PF 5% 50VC301 1-128-813-11 CERAMIC 220PF 5% 50VC302 1-126-964-11 ELECT 10uF 20% 50VC303 1-104-658-11 ELECT 100uF 20% 10V
C304 1-126-968-11 ELECT 100uF 20% 50VC305 1-126-968-11 ELECT 100uF 20% 50VC306 1-126-964-11 ELECT 10uF 20% 50VC307 1-126-967-11 ELECT 47uF 20% 50VC308 1-126-964-11 ELECT 10uF 20% 50V
C309 1-136-165-00 FILM 0.1uF 5% 50VC310 1-136-165-00 FILM 0.1uF 5% 50VC311 1-162-199-31 CERAMIC 10PF 5% 50VC312 1-128-813-11 CERAMIC 220PF 5% 50VC313 1-128-813-11 CERAMIC 220PF 5% 50V
C314 1-128-813-11 CERAMIC 220PF 5% 50VC316 1-128-813-11 CERAMIC 220PF 5% 50VC317 1-128-813-11 CERAMIC 220PF 5% 50VC318 1-128-813-11 CERAMIC 220PF 5% 50VC401 1-136-165-00 FILM 0.1uF 5% 50V
C402 1-136-165-00 FILM 0.1uF 5% 50VC403 1-104-482-11 ELECT 4700uF 20% 63VC404 1-104-482-11 ELECT 4700uF 20% 63VC405 1-126-968-11 ELECT 100uF 20% 50VC406 1-126-968-11 ELECT 100uF 20% 50V
C407 1-126-971-11 ELECT 470uF 20% 50VC408 1-126-971-11 ELECT 470uF 20% 50VC409 1-136-165-00 FILM 0.1uF 5% 50VC410 1-136-165-00 FILM 0.1uF 5% 50VC411 1-128-813-11 CERAMIC 220PF 5% 50V
C412 1-128-813-11 CERAMIC 220PF 5% 50VC501 1-126-964-11 ELECT 10uF 20% 50VC502 1-126-949-11 ELECT 220uF 20% 35VC503 1-126-923-11 ELECT 220uF 20% 10VC601 1-126-964-11 ELECT 10uF 20% 50V
< CONNECTOR >
CN201 1-784-931-11 PIN, CONNECTOR 5PCN202 1-779-179-11 CONNECTOR (B5B-XH-A) 5P
* CN204 1-564-704-11 PIN, CONNECTOR (SMALL TYPE) 2PCN301 1-564-320-00 PIN, CONNECTOR (3.96mm PITCH) 2PCN402 1-785-104-11 PIN, CONNECTOR (3.96mm PITCH) 6P
CNP111 1-691-765-11 PLUG (MICRO CONNECTOR) 3P
< DIODE >
D205 8-719-110-31 DIODE RD12ESB2D206 8-719-110-31 DIODE RD12ESB2D301 8-719-991-33 DIODE 1SS133T-77D302 8-719-991-33 DIODE 1SS133T-77D304 8-719-991-33 DIODE 1SS133T-77
D401 8-719-302-38 DIODE RBV-602-01D402 6-500-522-11 DIODE 10EDB40-TA2B5D403 6-500-522-11 DIODE 10EDB40-TA2B5D501 8-719-991-33 DIODE 1SS133T-77D502 8-719-991-33 DIODE 1SS133T-77
D602 8-719-991-33 DIODE 1SS133T-77
< GROUND TERMINAL >
G1 1-537-738-21 TERMINAL, GROUNDG2 1-537-738-21 TERMINAL, GROUND
< IC >
IC202 8-759-636-74 IC M5218AP-22IC203 8-759-636-74 IC M5218AP-22IC301 6-600-091-01 IC STK404-130S
< TRANSISTOR >
Q501 8-729-119-78 TRANSISTOR 2SC2785-HFEQ502 8-729-178-42 TRANSISTOR 2SC2784-FQ503 8-729-119-78 TRANSISTOR 2SC2785-HFEQ504 8-729-029-86 TRANSISTOR DTC124ESAQ505 8-729-119-78 TRANSISTOR 2SC2785-HFE
< RESISTOR >
R207 1-249-429-11 CARBON 10K 5% 1/4WR208 1-249-426-11 CARBON 5.6K 5% 1/4WR210 1-247-871-11 CARBON 47K 5% 1/4WR211 1-247-863-11 CARBON 22K 5% 1/4WR215 1-249-429-11 CARBON 10K 5% 1/4W
R217 1-247-879-11 CARBON 100K 5% 1/4WR301 1-247-847-11 CARBON 4.7K 5% 1/4WR302 1-247-871-11 CARBON 47K 5% 1/4WR303 1-249-413-11 CARBON 470 5% 1/4W
0R304 1-215-886-11 METAL OXIDE 100 5% 2W F
R305 1-247-871-11 CARBON 47K 5% 1/4WR306 1-247-847-11 CARBON 4.7K 5% 1/4WR307 1-247-847-11 CARBON 4.7K 5% 1/4W
0R308 1-234-182-11 ENCAPSULATED COMPONENT 0.22X2 5WR309 1-249-409-11 CARBON 220 5% 1/4W
R310 1-249-393-11 CARBON 10 5% 1/4WR311 1-215-868-00 METAL OXIDE 680 5% 1WR312 1-247-863-11 CARBON 22K 5% 1/4WR313 1-249-429-11 CARBON 10K 5% 1/4W
0R314 1-217-637-00 FUSIBLE 1 5% 1/4W F
R315 1-247-871-11 CARBON 47K 5% 1/4WR317 1-249-393-11 CARBON 10 5% 1/4W
0R401 1-215-891-11 METAL OXIDE 680 5% 2W F0R402 1-215-891-11 METAL OXIDE 680 5% 2W F0R403 1-219-153-11 FUSIBLE 10 5% 1/4W F
0R404 1-219-153-11 FUSIBLE 10 5% 1/4W FR500 1-249-421-11 CARBON 2.2K 5% 1/4WR501 1-249-429-11 CARBON 10K 5% 1/4WR502 1-247-871-11 CARBON 47K 5% 1/4WR503 1-247-879-11 CARBON 100K 5% 1/4W
R504 1-247-879-11 CARBON 100K 5% 1/4WR505 1-247-863-11 CARBON 22K 5% 1/4WR506 1-247-863-11 CARBON 22K 5% 1/4WR507 1-247-847-11 CARBON 4.7K 5% 1/4WR508 1-247-831-11 CARBON 1K 5% 1/4W
0R601 1-215-920-11 METAL OXIDE 3.3K 5% 3W F
< RELAY >
RY301 1-515-920-11 RELAY (24V)*************************************************************
MAIN
The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.
Les composants identifiés par unemarque 0 sont critiques pourla sécurité.Ne les remplacer que par une piéceportant le numéro spécifié.
12
SA-WM250
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
POWER TRANS BOARD*******************
1-533-217-41 HOLDER, FUSE
< CAPACITOR >
0C2 1-113-924-11 CERAMIC 0.0047uF 20% 250V
< CONNECTOR >
CN1 1-564-321-00 PIN, CONNECTOR (3.96mm PITCH) 2P* CN2 1-580-230-11 PIN, CONNECTOR (PC BOARD) 2P*************************************************************
SWITCH BOARD*************
< CAPACITOR >
0C901 1-113-924-11 CERAMIC 0.0047uF 20% 250V
< CONNECTOR >
* CN3 1-695-044-11 PIN, CONNECTOR (3.96mm PITCH) 2PCN901 1-564-718-11 PIN, CONNECTOR (SMALL TYPE) 2P
< DIODE >
0D901 6-500-991-01 LED TLPGE62T(SONY-M.F) (POWER)
< SWITCH >
0S901 1-554-920-11 SWITCH, PUSH (AC POWER) (1 KEY) (POWER)*************************************************************
MISCELLANEOUS***************
06 1-769-744-11 CORD, POWER (AEP,UK,SP,MY)06 1-783-820-11 CORD, POWER (US,CND)06 1-827-597-41 CORD, POWER (TW)0F901 1-532-463-51 FUSE (T1AL/250V) (AEP,UK,SP,MY)0F901 1-533-450-12 FUSE, GLASS TUBE (DIA.5) (2.5A/125V)
(US,CND,TW)
SP901 1-825-004-13 SPEAKER (20cm) (WOOFER)0T901 1-439-624-11 TRANSFORMER, POWER (AEP,UK,SP,MY)0T901 1-439-625-11 TRANSFORMER, POWER (US,CND,TW)*************************************************************
ACCESSORIES************
1-769-329-21 CORD, CONNECTION (PIN-PIN) (AUDIO)1-769-433-23 CORD, SPEAKER (2.5m)
0 1-770-019-11 ADAPTOR, CONVERSION PLUG 3P (UK)4-235-237-01 FOOT (BLACK/WOOD:AEP,UK,TW)4-252-451-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
SPANISH) (US,CND)
4-252-451-21 MANUAL, INSTRUCTION (ENGLISH,FRENCH,GERMAN,ITALIAN)
(AEP,UK)4-252-451-31 MANUAL, INSTRUCTION (DUTCH,SPANISH,
SWEDISH,POLISH)(AEP)
4-252-451-41 MANUAL, INSTRUCTION (PORTUGUESE,DANISH,FINNISH) (AEP)
4-252-451-51 MANUAL, INSTRUCTION (ENGLISH,FRENCH,SPANISH,TRADITIONAL CHINESE)
(SP,MY,TW)4-981-864-01 FOOT (WOOD:SP,MY)
POWER TRANS SWITCH
The components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numberspecified.
Les composants identifiés par unemarque 0 sont critiques pourla sécurité.Ne les remplacer que par une piéceportant le numéro spécifié.
13
SA-WM250
MEMO
14
SA-WM250
REVISION HISTORY
Clicking the version allows you to jump to the revised page.Also, clicking the version at the upper on the revised page allows you to jump to the next revised page.
Ver. Date Description of Revision1.0 2004.03 New