color monitor - go-gddq.com · the micom distinguishes polarity and frequencies of the h/v sync ......
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Copyright © 2010 LG Electronics. Inc. All right reserved. - 1 - LGE Internal Use Only Only for training and service purposes
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COLOR MONITOR SERVICE MANUAL
MODEL: E1908s (E1908s-PNT.A**DAS for LCM190A1L0G) **Sales Market
CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
*To apply the Realtek Chip.
Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes
CONTENTS SPECIFICATIONS ..........................................................2 PRECAUTIONS ..............................................................3 TIMING CHART ..............................................................7 DISASSEMBLY ...............................................................8 BLOCK DIAGRAM.........................................................11 DISCRIPTION OF BLOCK DIAGRAM ......................... 13
ADJUSTMENT ............................................................. 14 SERVICE MODE ......................................................... 16 TROUBLESHOOTING GUIDE .................................... 17 WIRING DIAGRAM ...................................................... 23 EXPLODED VIEW........................................................ 24 SCHEMATIC DIAGRAM............................................... 26
SPECIFICATIONS
1. LCD CHARACTERISTICS Type: Flat Panel Active matrix-TFT LCD Active Display Area: 19 inches Pixel Pitch: 0.2835 (H) x 0.2835 (V) mm Color Depth: 16.7M colors Size: 278(V) × 428 (H) × 11.6(D) (Typ.) Interface: 2-channel LVDS Surface Treatment: Anti-Glare (Haze25), Hard coating (3H) Operating Mode: Normally White 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio ≥ 10 θx
+ /θx-: 75(Min), 75(Typ) θY
+ /θY-: 70(Min), 80(Typ) 2-2. Center Luminance of White: 200Cd / m2 2-3. Contrast Ratio: 700(min), 1000(Typ) 3. SIGNAL (Refer to the Timing Chart) 3-1. Sync Signal Type: Separate Sync. 3-2. Video Input Signal 1) Type: R, G, B Analog, Digital 2) Voltage Level: 0.7 Vp-p 3) Input impedance: 75 Ω 3-3. Operating Frequency
Ho Horizontal: 30 ~ 83 kHz Vertical: 56 ~ 75Hz 4. Max. Resolution D-sub Analog: VESA 1440x 900 @ 75 Hz 5. POWER SUPPLY 5-1. Power: AC 100-240V~50/60Hz 5-2. Power Consumption On Mode: 26 W (Typ.) Sleep Mode: ≤ 0.5 W Off Mode: ≤ 0.5 W 6. ENVIRONMENT 6-1. Operating Temperature: 10°C to 35°C Humidity: 10 % to 80% non-Condensing 6-2. Storage Temperature: -20°C to 60 °C Humidity: 5 % to 90 % non-Condensing
7. DIMENSIONS (with Stand) Width: 43.86 cm (17.27 inches) Depth: 18.00 cm (7.09 inches) Height: 36.25 cm (14.27 inches) 8. WEIGHT (excl. packing) Weight: 3.10 kg (6.82 lb)
Copyright © 2010 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes
Copyright © 2010 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes
TIMING CHART
Display Modes (Resolution) Horizontal Freq. (kHz) Vertical Freq. (Hz)
1 640 x 480 31.469 59.940
2 640 x 480 37.500 75.000
3 800 x 600 37.879 60.317
4 800 x 600 46.875 75.000
5 1024 x 768 48.363 60.004
6 1024 x 768 56.476 70.069
7 1024 x 768 60.023 75.029
8 1280 x 1024 63.981 60.020
9 1280 x 1024 79.976 75.025
10 1440 x 900 55.935 59.887
Copyright © 2010 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes
DISASSEMBLY-Set #1
Put the monitor on a soft flat and unscrew the screw to remove the stand and the base.
#2
Use tool to open all latches.
#3
Put the front face down, disassemble back cover.
#4
Pull the key board out of bezel.
#5
Disassemble the LVDS cable and tear the aluminum foils.
#6
Unscrew the 6 screws to remove the main board, the power board and the adapter board.
Copyright © 2010 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes
#7
The mainframe.
#8
Disconnect the marked cables from the boards. #9
Unscrew the 4 screws to remove the bezel.
#10
The panel.
Copyright © 2010 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes
DISASSEMBLY-Stand #1
Press the release button.
#2
Consequently, pull the base directly.
#3
The stand.
#4
Directly remove the stand cover by hand.
#5
Unscrew the 3 screws to remove the hinge and the stand.
#6
Stand cover, stand and hinge.
Copyright © 2010 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes
BLOCK DIAGRAM MAIN BOARD
U401
DDC-DSUB PORT
SCALAR RTD2271-GR
Crystal X401 14.31818MHZ
CN402 to Keyboard A/D input control
M24C16-WMN6TP U402
CN406 to Panel
LVDS output
Panel Power sequence control circuit Block Q705
Q706
Power input CN701
LDO U701
CAPACITOR U703
3.3V 1.2V
DSUB CN101
EEPROM U101
Copyright © 2010 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes
POWER BOARD
EMI filter
Start Resistor (R920, R921, R922)
PWM Control (IC901)
Transformer AC input Bridge
Rectifier and Filter
Feedback Circuit
Rectifier diodes
Photo coupler (IC902)
ZD801
LED
(CN802)PWM Control TA9690GN
(IC801)
14.5V
MOSFET (Q801)
DIM
ENA
L801
LED
(CN803)
PWM Control TA9690GN
(IC802)
14.5V5V
Copyright © 2010 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes
DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part. This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock. The pixel clock for each mode is generated by the PLL. The range of the pixel clock is from 25.175MHz to 106.6MHz. This part consists of the Scalar, ADC converter, TMDS receiver and LVDS transmitter. The Scalar gets the video signal converted analog to digital, interpolates input to 1440 X 900 resolution signal and outputs 8-bit R, G, B signal to transmitter. 2. Power Part. This part consists of the one 3.3V, and one 1.2V regulators to convert power which is provided 5V in Power board. 12V is provided for inverter board, 5V is provided for LCD panel. Also, 5V is converted 3.3V and 1.2V by regulator. Converted power is provided for IC in the main board. The inverter operates back-light lamps of module. 3. MICOM Part. This part is including video controller part. And this part consists of Reset IC and the Micom. The Micom distinguishes polarity and frequencies of the H/V sync are supplied from signal cable. The controlled data of each mode is stored in scalar.
Copyright © 2010 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes
ADJUSTMENT Windows EDID V1.0 User Manual Operating System: DOS, windows98, 2000, XP 1. Parallel port setting Enter your bios, and do as followings. a) Integrated peripheral b) Super IO Device c) Parallel port mode you should set the” parallel port mode” to SPP for using the DOS EDID tool surely. 2. EDID Write 1、Connect the signal line of monitor with DDC recorder. 2、Choose the DDC RECORD program, and it shows on the screen, the choose the correct source base on the monitor. 3、Click “LoadFile” ,then key in the manufacturer name, model name, product code, then choose the correct model name base on the monitor.(As Fig.2) 4、Scan serial No. to DDC recorder by Bar Reader, then read again in the Verify SN. 5、According to the message of DDC program, when the picture as fig.1 appears, it show DDC record has finished.
Fig.1
Please check Manufacturer Name, Vendor Assigned Code, Monitor Name , Serial Number:*****[????????******] (it must be the same as Bar Code)、Week of Manufacture:**, Year of Manufacture:****, Checksum:** (It must be the same as the last byte of data table, as follows picture shows). Above of all must be right, then if it shows the green “PASS”, it means record succeeds ,the red “Fail” means record fails; Then check the power supply and signal line, and ensure they are connected well ,then do DDC record again from the third step.
Copyright © 2010 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes
Fig.2
Copyright © 2010 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes
1) Turn off the power switch at the front side of the display. 2) Wait for about 5 seconds and press MODE, POWER switch with 1 second interval, press MENU. 3) The SVC OSD menu contains additional menus that the User OSD menu as described below. a) Auto Level: PASS FAIL b) R/G/B-Gain: Allows you to set the R/G/B-Gain value manually. (Analog Only) c) R/G/B-Offset: Allows you to set the R/G/B-Offset value manually. (Analog Only) d) R/G/B-6500K: Allows you to set the R/G/B-6500K value manually. e) R/G/B-9300K: Allows you to set the R/G/B-9300K value manually. f) R/G/B-User: Allows you to set the R/G/B-User value manually. g) R/G/B-sRGB: Allows you to set the R/G/B- sRGB value manually. h) R/G/B-Nor: Allows you to set the R/G/B- Nor value manually. i) Burn In: OFF e) Panel Sel: TPVTPM190AWXGA
Figure 1 Cable Connection for Micom uploading
SERVICE MODE
Connect to the PC
Connect to the monitor
Copyright © 2010 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes
TROUBLESHOOTING GUIDE
No Power (Power Indicator Off)
Please reinsert and make sure the AC of 100-240V is normal
Measure U703 PIN2 =1.2V U701 PIN2=3.3V
Check the Adapter/Inverter section
Check CN701 or replace U703, and U701
NO
NO
YES
YES
1. NO POWER
Check X401 oscillate waveforms are normal
Replace X401
Replace U401
NO
YES
Copyright © 2010 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes
2. NO RASTER (OSD IS NOT DISPLAY)-LIPS
LIPS
YES
1. Check C703 2. Check C711, C713 3. Trouble in Scaler IC
NO
YES
YES
YES
Check CN701 PIN 6 =5V?
NO Check BL ON/OFF pulse as Contacting scope
No Raster (OSD Is Not Displayed)
Check U701 PIN 2 =3.3V?
Check CN701 PIN 6 =5V?
Check power board and find out a short point as penning each power line.
1. Check U701 2. Check C702,C703,C704
Check U703 1.2V?
NO
NO
Copyright © 2010 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes
3. NO RASTER (OSD IS NOT DISPLAY)-MSTAR
1. Check C415 C418 2. Check X401 3. Trouble in Scaler IC
Scaler pin 127, 128 oscillates as 14.31818 MHz?
No Raster (OSD Is Not Displayed)
Check connection line from D-SUB to Scaler
Trouble in cable or LCD module
NO
YES
YES
NO Scaler IC pin 22 H Sync ? pin 21 V Sync?
Copyright © 2010 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes
4. TROUBLE IN DPM
Trouble in DPM
Scaler IC pin 22 H Sync? pin 21 V Sync?
Check H/V sync line
Trouble in cable or LCD module
NO
YES
Copyright © 2010 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes
5. POWER
Replace panel
Check Vout=50V?
Check L801,ZD801,F801
NO
YES
Check CN801=14.5V?
Check L903,C912
YES
NO
YES
No Power (Power Indicator Off)
Check AC line volt
Check the adapter
Check AC line & AC socket
Replace adapter
NO
YES
NO
Check main board
Check main board
NO
Copyright © 2010 LG Electronics. Inc. All right reserved. - 22 - LGE Internal Use Only Only for training and service purposes
6. RASTER
Check DIM
Check U401
Check C141, C142
NO Raster (Lamp Off)
Check CN701 PIN6=5V,
Check ON/OFF signal
Check IC901
Check Interface section or main board
NO
NO
NO
YES
YES
Check PANEL_VCC
YES
NO
Copyright © 2010 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes
WIRING DIAGRAM
Copyright © 2010 LG Electronics. Inc. All right reserved. - 24 - LGE Internal Use Only Only for training and service purposes
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics.
These parts are identified by in the EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
Copyright © 2010 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes
EXPLODED VIEW PARTS LIST Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information.
Ref. No. TPV part no. LGE part no. Description
010 705GQACS 34076 ABJ73389801 BEZEL ASS’Y 020 KEPCAQL1 EBU60704504 KEY BOARD 030 LCM190A1L0GA703 COV30101226 PANEL TPM190A1L0G C1B FQ 040 ADPC91503YC3 EBU60704303 POWER BOARD 050 LNPCA9361XYC1 EBU60934907 CONVERTER BOARD 060 756GQACB KL017 00 EBU60714343 MAIN BOARD(CBPCAR6LGQ1) 070 A15G0842G01301 MDQ62818701 MAIN FRAME 080 802GQAME016 ACQ85326901 REAR COVER ASS’Y 090 A37G0127 8 AGU73530301 HINGE ASS’Y 100 A34G1405AED 1B0100 MCK66558601 STAND COVER 110 A34G1406AED 1B0100 MCK66558501 STAND 120 A34G1407AED 1B0130 MCK66558401 BASE TSS1 130 089G414A15N YH N/A AC POWER CORD 140 089G 725CAA 2G N/A D-SUB CABLE 150 S89G179T30N518 COV30101421 FFC CABLE
Copyright © 2010 LG Electronics. Inc. All right reserved. - 26 - LGE Internal Use Only Only for training and service purposes
SCHEMATIC DIAGRAM
DVI5V
VGA_5V
VLCD
DVI5V
VGA_5V
VLCD
V12S
+5V
VCC3.3
+5V
VCC3.3
+5V
V12S
EDID
_WP
EDID
_WP
DVI
_CAB
LE_D
ETED
ID_W
P
+5V
SO
G
VGA
_CAB
LE_D
ET
SCALER
04_SCALER
RX2
+R
X2-
RX1
+R
X1-
RX0
+R
X0-
RXC
+R
XC-
AHS0
B0-
B0+
G0-
G0+
R0-
R0+
Adj_
BAC
KLIG
HT
on_B
ACKL
IGH
T
DD
CSD
A1
DD
CSC
L1
Pan
el_O
N
DD
CSD
A2
DD
CSC
L2
DVI
_CAB
LE_D
ET
EDID
_WP
VGA_
CAB
LE_D
ET
SOG
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
+5V
VCC3.3
V12S
Audi
o_E
N
Audi
o_D
ET
AVS
0DVI5V
VGA_5V
R0+R0-
G0-
G0+
B0+
AH
S0B
0-
DD
CSC
L1D
DC
SDA
1
RX1
+
RXC
+R
X2-
RX1
-R
X2+
RX0
-R
X0+
RXC
-
DD
CSC
L2D
DC
SDA
2
Power
06_POWER
+5V
VCC3.3
V12S
VLCD
Pane
l_O
N
Adj_
BAC
KLIG
HT
on_B
ACKL
IGH
T
Audi
o_E
N
Audi
o_D
ET
PANEL I/O
05_PANEL I/O
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PA8
PA9
VLCD
D-SUB I/O
02_D-SUB I/O
DD
CSD
A1
DD
CSC
L1
R0+R0-
G0-
B0+
B0-
G0+
AHS
0
ED
ID_W
P
VGA
_CA
BLE_
DET
SOG
+5V
AVS
0
VGA_5VDVI
03_DVI
DD
CSC
L2D
DC
SDA
2
RX1
-
RX0
+
RX2
+R
X2-
RX1
+
RXC
-
RX0
-
RXC
+
DV
I_C
ABL
E_D
ET
ED
ID_W
P
+5V
DVI5V
1. MAIN BOARD
Copyright © 2010 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes
C104
47nF 16V
C105
47nF 16V
BIN0-
RIN0
BIN0
C107
47nF 16V
BIN0
GIN0
RIN0
C108
47nF 16V
ESD_VGA
CH11
VN2
CH23
CH34VP5CH46
U102
AOZ8902CIL
HSIN0
VSIN0
DDCSDA_A
DDCSCL_A
C110
47nF 16V
VGA_5V5
ESD_VGA
+5V
A01
A12
A23
VSS4
SDA5 SCL6 WP7 VCC8
U101AT24C02BN-SH-T
3
12
D101BAV70
R11
422
K 1
/16W
5%
C147
47nF 16V
R11
24K
7 1/
16W
5%
R11
34K
7 1/
16W
5%
R101100R 1/16W 5%
R105100R 1/16W 5%
CH11
VN2
CH23
CH34VP5CH46
U103
AOZ8902CIL
R123
2K2
1/16
W 5
%
R120 100R 1/16W 5%
EDID_WP4,5
R1030R05 1/16W
VGA_5V
162738495
11
12
13
14
1510
1716
CN101
DB15VGA_5V
AHS0 5AVS0 5
DET_VGA
B0+ 5
B0- 5
R0- 5
G0+ 5
G0- 5
R0+ 5
EDID_WP
GIN0
C112
NC/22pF 50V
C1035pF 50V
ESD_VGA
R121 100R 1/16W 5%
R122
2K2
1/16
W 5
%
C1095pF 50V
ZD101RLZ5.6B
C1065pF 50V
C111
NC/22pF 50V
DDCSDA15 RIN0-
R110
75R
1/1
6W 1
%
R117
75R
1/1
6W 1
%
GIN0-
BIN0-
R1080R05 1/16W
R1150R05 1/16W
SOG 5
R111100R 1/16W 5%
R109100R 1/16W 5%
R118100R 1/16W 5%
R116100R 1/16W 5%
C145
22pF 50V
C146
22pF 50V
DDCSCL15
+5V4,5,7
BIN0
C113100N16V
GIN0-
GIN0
RIN0-
RIN0
C114100N16V
R142470R 1/16W 5%
DDCSDA_A
DDCSCL_A
R107100R 1/16W 5%
R104100R 1/16W 5%
R106
75R
1/1
6W 1
%
R119 0R05 1/16W
R143 NC/1M 1/16W 5%
VSIN0
DDCSDA1
HSIN0
VGA_5VDDCSCL1
VSIN0HSIN0
C1010.22UF 16V
R0-
G0+
R0+
B0+
G0-
B0-
DDCSCL1DDCSDA1
VGA_CABLE_DET 5VGA_CABLE_DETDET_VGA
R1390R05 1/10W
R1400R05 1/10W
R1410R05 1/10W
C102
47nF 16V
Copyright © 2010 LG Electronics. Inc. All right reserved. - 28 - LGE Internal Use Only Only for training and service purposes
ESD_DVI
C120
NC/1000pF 50V
SDA_DVI
ESD_DVIESD_DVI
ESD_DVI
R131 NC
R133 NC
R136 NCR135 NC
DET_DVI
R138 NC
HPD
R137 NC
DVI5V
R134 NC
SCL_DVI
R132 NC
RX1- 5RX1+ 5RX0- 5
RXC- 5
RX2+ 5
RX0+ 5
DVI5V
RXC+ 5
DVI5V
+5V
ESD_DVI
EDID_WP 3,5
312
D102NC
A0 1
A12
A23
VSS 4SDA5 SCL6 WP7 VCC8
U105NC
RX2- 5
R12
8N
C
R12
9N
C
DDC_WP
DAT2-
R125 NCR126 NC
R127 NC
CH11
VN2
CH23 CH3 4VP5CH46
U104
NC
CH11
VN2
CH23 CH3 4VP 5CH46
U106
NC
CH11
VN2
CH23
CH34VP 5CH4 6
U107
NC
DVI5V5
FB101 NC
DAT2- 1DAT2+2
2/4shield3
DAT4- 4DAT4+5
DDC SCL 6
DDC SDA7
VSYNC8
DAT1-9DAT1+ 10
1/3shield11
DAT3-12DAT3+ 13
+5V14
SYNC GND 15
HPD 16
DAT0- 17DAT0+18
0/5shield 19
DAT5-20DAT5+ 21
clk shield 22
clk+23
clk- 24
GN
D26
GN
D25
CN102
NC
DVI_CABLE_DET 5
DDCSCL2 5DDCSDA2 5
DAT2+DAT1-
ZD102
NCC117
NC
C119
NC
+5V3,5,7
C118
NC
ESD_DVI
C115
NC C116NC
R130
NC
DAT1+
DAT0+DAT0-
DCLK+DCLK-
Copyright © 2010 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes
on_BACKLIGHT7
C401220N16V
123
CN408
NC/CONN
EESDAEESCL
SYSTEM_EEPROM_WP
R40
422
K 1
/16W
5%
R40
24K
7 1/
16W
5%
C405
100N16V
R40
34K
7 1/
16W
5%
R406100R 1/16W 5%
R407100R 1/16W 5%
A01
A12
A23
GND 4SDA5 SCL6 WP7 VCC8
U402
M24C16
VCC3.3
DVI5V4
C406
100N16V
DVI5V VGA_5V
+5V
DET_VGA5VDET_DVI5V
C415
22pF 50V
CE#1
SO2
WP#3
GND4
VDD8
HOLD#7
SCK6
SI5
U403
Pm25LD020C-SCE
VGA_5V3
C411 100N16V
PA[0..9]6
PA6 LVA1P
PA4 LVA2P
PA0 LVA3P
PA5 LVA2M
C408
100N16V
PA8 LVA0P
PA[0..9]
PA1 LVA3M
PA7 LVA1M
LVBCKMPA3
PA9 LVA0M
LVBCKPPA2
C42410uF 10V
C409
100N16V
Panel_ON 7
R411 0R05 1/16W
C412
0.22UF 16V
R4674K7 1/16W 5%
C414100N16V
PB[0..9]6
LVB2MPB5LVB1PPB6
LEDA
LVBCKPPB2
LVB3PPB0LVB3MPB1
LVB1MPB7
R415 4K7 1/16W 5%
LVB0MPB9LVB0PPB8
PB[0..9]
LVB2PPB4LVBCKMPB3
R432 120 OHM 1/16W
C410 100N16V
RX2-RX2+
RX0-RX0+RX1-RX1+
C418
22pF 50V
RXC-RXC+
BUZZER
R436
3K9 +/-5% 1/16W
R437 2K2 1/16W 5%
DVI_CABLE_DETR438 NC
V33P
DVI_CABLE_DET 4
VGA_CABLE_DET 3VGA_CABLE_DET
C422 100N16V
LEDG R416 4K7 1/16W 5%
FB405120 OHM
V12ADC
V12CV12S
FB406120 OHM
V12S7
FB404120 OHM
V33PVCC3.3
FB403120 OHM V33TMDS
VCC3.37
D40
3R
LZ5.
6B
R422 100R 1/16W 5%
R0-R0+
B0+G0-G0+SOG
AVS0AHS0B0-
R414
NC
123456
CN402
CONN
LEDG
VCC3.3
LED_G
R44510K 1/16W 5%
Q4022N3906S-RTK/PS
+5V 3,4,7
POWER
R446100R 1/10W 5%
+5VR444 NC
R443 0R05 1/16W
R429 22R 1/16W 5%
R433 22R 1/16W 5% SDIN
SDOUTCECLK
R428 10K 1/16W 5%FLASH_WP R431
R43510K 1/16W 5%
R426NC
VCC3.3
R427 22R 1/16W 5%
R4594K7 1/16W 5%
BUZZER
C4201UF 10V
Adj_BACKLIGHT7
R424 100R 1/16W 5%
LEDA
R45110K 1/16W 5%
VCC3.3
LED_AR455680R 1/10W 1%
+5VR450 NC
R448 0R05 1/16W
Q4042N3906S-RTK/PS
12
X40114.31818MHz
R4390R05 1/16W
R442
NC
XO
XI
Audio_EN 7AUDIO_PWM
CABLE_DET
C419 100N16V
C15
1
10pF
50V
V33P
V33P
SOG 3
R466NC
Q403NC
R468NC
SOG_TO_ADCR469 NC
C150
NC
R452NC
Q401NC
VCC3.3
C402
100N16V
12
FB401
NC/120 OHM
R4103K9 +/-5% 1/16W
1234567
CN404
NC/CONN
R4093K9 +/-5% 1/16W
TOUCH_POWER
R4083K9 +/-5% 1/16W
VCC3.3
R405 NC/2K2 1/16W 5%2468
1357
CN401
NC/CONN
C407
NCD
404N
C/R
LZ5.6B
123456
CN403
NC/CONN
LED_GPOWER
LED_A
KEY1KEY2
1234567
CN405
NC/CONN
R401 NC/2K2 1/16W 5%
C413
1UF 10V
AHS0AHS_DET
SOG_TO_ADC
R449 NC/0R05 1/16W
D401RLZ5.6B
R412 0R05 1/16W
R460NC/100R 1/10W 5%
R461NC/100R 1/10W 5%
R464
NC
SYSTEM_EEPROM_WP
R462
100K 1/16W 5%
DET_VGA5VDET_DVI5V
C421 NC
V12C
SDOUTCE
CLKSDIN
XIXO
RESETB
V33P
FLASH_WP
R4204K7 1/16W 5%
R465
220K 1/16W 5%
R463
220K 1/16W 5%
C417
100N16V
V12ADC
PA0 LVA3P
PA6 LVA1P
PA4 LVA2PPA5 LVA2M
PA1 LVA3MLVB0MPB9
PA9 LVA0MPA8 LVA0PPA7 LVA1M
LVB2MPB5LVB1PPB6LVB1MPB7LVB0PPB8
LVBCKPPB2LVBCKMPB3LVB2PPB4
LVB3PPB0LVB3MPB1
DDCSCL24
V33P
DDCSDA24 R425 100R 1/16W 5%
KEY1
LVBCKMPB3LVBCKPPB2
KEY2CABLE_DET
EESCL
EDID_WP EDID_WP 3,4
EESDA
V33TMDS
R430 6K2 1/10W 1%
TM
DS_
VD
D1
TM
DS_
RE
XT2
Res
erve
d3
Res
erve
d4
Res
erve
d5
Res
erve
d6
Res
erve
d7
Res
erve
d8
Res
erve
d9
Res
erve
d10
TM
DS_
GN
D11
RX2
P_1
12
RX2
N_1
13
RX1
P_1
14
RX1
N_1
15
RX0
P_1
16
RX0
N_1
17
RXC
P_1
18
RXC
N_1
19
TM
DS_
VD
D2
20
AV
S021
AH
S0
22
AD
C_V
DD
23
B0-
24
B0+
25
G0-
26
G0+
27
SO
G0
28
R0-
29
R0+
30
GPI
31
GPI
32
AD
C_G
ND
38G
PI37
GPI
36R
eser
ved
35G
PI34
GPI
33
GPIO 45
GPIO 44
A-ADC0 / GPIO50A-ADC1 / GPIO 51A-ADC2 / GPIO 52A-ADC3 / GPIO53GPIO54TCON[0][5] / PWM1 / PWM5 / GPIO55TCON[1][4] / IICSCL / GPIO56
GPIO/TCON[5]41
TCON[9][11] / IICSDA / GPIO57TCON[7][10] / DDCSCL1 / GPIO58TCON[3][5] / DDCSDA1 / GPIO 59VCCK 60PGND61PVCC62TCON[1][8] / PWM2 / GPIO63SD0 / SPDIF0 / TCON[0][7] / GPIO / PWM064
GPIO47PWM0 / GPIO48
BB3N
/ SC
K /
TCO
N[4
][2]
/ G
PI /
GP
O /
BLU
766
BB2
P /
MC
K /
TCO
N[5
][9]
/ G
PI /
GP
O /
BLU
667
BB
2N /
SD
0 / S
PD
IF 0
/ T
CO
N[1
3][3
] / G
PI /
GP
O /
BLU
568
I ICSCL / GPIO42
BB1P
/ S
PDIF
1 /
SD
1 /
TC
ON
[7][3
] /
GP
I / G
PO
/ I
ICS
CL
/ BL
U4
69B
B1N
/ S
PD
IF2
/ SD
2 / T
CO
N[9
][11
] / G
PI /
GP
O /
IIC
SDA
/ BL
U3
70BC
LKP
/ SP
DIF
3 / S
D3
/ TC
ON
[10]
[8] /
GPI
/ G
PO
/ PW
M1
/ PW
M5
/ BL
U2
71B
CLK
N /
TC
ON
[6][
12]
/ GP
I / G
PO /
PW
M3
72V
CC
K73
BG
3P /
BLU
7 /
BLU
1 /
GPI
/ G
PO
/ TX
O3+
_8b
/ IIS
_SD
0 (S
PD
IF0)
74B
G3N
/ B
LU0
/ B
LU6
/ GP
I / G
PO /
TXO
3-_8
b /
IIS_
MC
K (
SPD
IF1)
75BG
2P /
GR
N7
/ G
PI /
GP
O /
BLU
5 /
TXO
C+_
8b76
BG
2N /
GR
N6
/ G
PI
/ GPO
/ B
LU4
/ TX
OC
-_8b
77
GPIO46
PV
CC
84PG
ND
85B
R1P
/ R
ED
7 /
GR
N3
/ T
XE3+
_8b
86
I ICSDA / GPIO43
AG
2N /
GP
I / G
PO
/ P
WM
3 / T
CO
N[1
1][6
]99
Reserv ed40
LS_ADC_VDD49
AR1P / MCK / TCON[7] / GPI / GPO108
GPI39XO
127
XI128
BB3P
/ W
S /
TCO
N[7
][1]
/ G
PI /
GPO
/ P
WM
165
BG1P
/ G
RN
5 /
GPI
/ G
PO
/ BL
U3
/ T
XO2+
_8b
/ IIS
_SC
K (
SPD
IF2)
78BG
1N /
GR
N4
/ G
PI
/ G
PO
/ B
LU2
/ TX
O2-
_8b
/ IIS
_WS
(SP
DIF
3)79
BR3P
/ G
RN
3 / G
PI /
GP
O /
GR
N7
/ TX
O1+
_8b
80BR
3N /
GR
N2
/ G
PI
/ G
PO
/ G
RN
6 /
TXO
1-_8
b81
BR2P
/ G
RN
1 / G
PI /
GP
O /
GR
N5
/ TX
O0+
_8b
82BR
2N /
GR
N0
/ G
PI
/ G
PO
/ G
RN
4 /
TXO
0-_8
b83
BR1N
/ R
ED
6 /
GR
N2
/ TX
E3-
_8b
87A
B3P
/ R
ED5
/ R
ED
7 / T
XE
C+_
8b88
AB3N
/ R
ED
4 / R
ED
6 /
TXE
C-_
8b89
AB
2P /
RE
D3
/ RE
D5
/ T
XE2+
_8b
90A
B2N
/ R
ED2
/ R
ED
4 /
TXE
2-_8
b91
AB
1P /
RE
D1
/ RE
D3
/ T
XE1+
_8b
92A
B1N
/ R
ED0
/ R
ED
2 /
TXE
1-_8
b93
AC
LKP
/ D
EN
A /
TXE
0+_8
b94
AC
LKN
/ D
HS
/ TX
E0-
_8b
95AG
3P /
DC
LK /
GP
I / G
PO /
PW
M0
96AG
3N /
DV
S / G
PI /
GPO
/ P
WM
197
AG2P
/ G
PI
/ GP
O/
PW
M2
98A
G1P
/ G
PI
/ GP
O /
PW
M4
/ TC
ON
[12]
[3]
100
AG1N
/ G
PI /
GPO
/ P
WM
5 /
TC
ON
[0]
101
AR
3P /
SD
3 / S
PD
IF3
/ TC
ON
[10]
/ G
PI /
GPO
/ P
WM
010
2
AR3N / SD2 / SPDIF2 / TCON[8] / GPI / GPO / IICSCL / PWM1103
AR2P / SD1 / SPDIF1 / TCON[5] / GPI / GPO / IRQB / IICSDA104
AR2N / SD0 / SPDIF0 / TCON[9] / GPI / GPO105
PVCC106
PGND107
AR1N / SCK / TCON[3] / GPI / GPO109
WS(SD1) / TCON[2][6][7] / GPIO110
SD0 / SPDIF0 / TCON[4][7] / GPIO111
SD1(WS) / SPDIF1 / TCON[5][9] / GPIO112
SD2(SCK) / SPDIF2 / TCON[1][11] / GPIO113
SD3(MCK) / SPDIF3 / TCON[0][13] / PWM4 / GPIO114
SPI_SCLK / SDIO115
SI / MCU_SCLK116
SO / SCSB117
CEB / IRQB118
GPO / PWM5119
VCCK120
DDCSCL3 / GPIO121
DDCSDA3 / GPIO122
DDCSCL2 / GPIO124 DDCSDA2 / GPIO123
RESETB125
GPIO / PWM1126
U401
RTD2271-GR
R434NC
Audio_DET7AUDIO_MUTE
DDCSCL1 3DDCSDA1 3R421 100R 1/16W 5%
R419 100R 1/16W 5%
C423NC/10uF 10V
V12C
V33P
C403
100N16V
V12C
V33P
V33P
D40
2R
LZ5.
6B
C416
1UF 10V
C404
100N16V
Copyright © 2010 LG Electronics. Inc. All right reserved. - 30 - LGE Internal Use Only Only for training and service purposes
RXOC-
RXOC+
RXOC-
C142100N16V
LVB1PPB6LVB2MPB5
LVB1MPB7
LVB3PPB0LVB3MPB1LVBCKPPB2LVBCKMPB3LVB2PPB4
PB[0..9]
12
FB402120 OHM
R45
822
0 O
HM
1/4
W
24681012141618202224262830
13579
11131517192123252729
CN407
NC/CONN
LVB0PPB8LVB0MPB9
RXO0- RXO0+RXO1- RXO1+
R45
722
0 O
HM
1/4
W
RXO2-
PA6 LVA1P
RXO2+
PA5 LVA2M
PA0 LVA3P
PA4 LVA2PPA3 LVBCKM
PA1 LVA3M
PA7 LVA1M
PA[0..9]
RXOC-
PA8 LVA0P
RXOC+RXO3- RXO3+RXE0-
PB[0..9]5PA[0..9]5
RXE0+
VLCD 7
VLCD
RXE1- RXE1+RXE2- RXE2+RXOC- RXOC+RXE3- RXE3+
RXOC+
PA9 LVA0M
LVA0P RXE0+
PA2 LVBCKP
LVB2M RXO2-
LVACKM RXOC-
RXE1-LVA1M
RXE2-LVA2M
RXO1-LVB1M
RXO3-LVB3M
RXE3-LVA3M
RXO0-LVB0M
RXE0-LVA0M
RXOC+LVBCKPLVBCKM RXOC-
RXE2+LVA2P
RXO0+LVB0P
RXO1+LVB1P
RXO3+LVB3P
RXO2+LVB2P
RXOC+LVACKP
RXE1+LVA1P
RXE3+LVA3P
+C141
100uF16V
C143NC
123456789
101112131415161718192021222324252627282930
CN406
CONN
C144NC
Copyright © 2010 LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes
C7170.22UF 16V
TO-252
TO252
R757NC
C716NC/10uF 10V
DIMON/OFF
R706NC
R709NC
R719 NC/100R 1/16W 5%
R708
NC
C701100N16V
C703
100N16V
R711 NC
C704100N16V
Audio_EN1
C708
33P50V
C706
100N16V
C707
100N16V
C712100N16V
R710 NC
C713100N16V
R7054K7 1/16W 5%
123456789
CN701
CONN
R712 NC/100R 1/16W 5%
Q706
PMBS3904
Q705NC/AO3401
R70110K 1/16W 5%
R715
56K 1/16W
+
C702100uF16V
+
C710100uF16V
C705
NC/10uF 10V
R702 1K 1/16W
R707
5.1 OHM +-5% 2WS
VI3
VO2
GN
D1
U703
R716NC
R71810K 1/16W 5%
VOUT2
VIN3
GN
D1
U702NC/G1084-33T43Uf
VIN3
VOUT2
GN
D1
U701
R704
10K 1/16W 5%
S1
S2
S3
G4
D8
D7
D6
D5 Q704 AO4449 -7A/-30V
+C711
NC/100uF/16V
R71410K 1/16W 5%
R703
10K 1/16W 5%
Q701PMBS3904
R71310K 1/16W 5%
VI3
VO2
GN
D1
U707
R717 4K7 1/16W 5%
on_BACKLIGHT 5
Adj_BACKLIGHT 5
V12S 5
+5V3,4,5 VCC3.3 5
VLCD 6
+5V 3,4,5
Audio_DET 5
Audio_EN 5
Panel_ON5
VCC3.3
VLCD
VCC3.3+5V
+5V
VCC3.3
VCC3.3
VCC3.3
VCC3.3
+5V
+5V
V12S
+5V
C709NC
Audio_DET2
C714NC/100N16V
Q703NC/PMBS3904
Audio_DET3
Audio_DET1
Q702
NC
R720NC/10K 1/16W 5%
C715
0.22UF 16V
Copyright © 2010 LG Electronics. Inc. All right reserved. - 32 - LGE Internal Use Only Only for training and service purposes
R911NC
+14.5V
R9171K 1/10W 1%
T901POWER X'FMR1
2
34
5
67
89
10
CN901
SOCKET
12
3
!
+5V
+5VF902 FUSE
!
R9246R8 +-5% 1/8W
C905100nF 50V
ZD902
MTZJ T-72 16B
1 2
+ C91810uF/50V
L90130mH
1
4
2
3
D906 31DQ06FC3
ON/OFF_OUTPUT
IC903KIA431A-AT/P
D904 31DQ06FC3
+ C907NC/47uF M 450V
C9102N2 500V
R91210K 1/10W 5%
C90182pF
R919100K OMH 2W +-5%
D905 31DQ10FC
R92310K 1/8W 1%
R915 9.31KOHM +-1% 1/10W
GND2GND
12
D908
NC
1 2
L903
GND1GND
12
DIM_INPUT
R921
3.3 OHM 1/4W
D902
FR107
CN903CONN
123456789
10
D903 31DQ10FC
!
MUTE
R910100 OHM 1/4W
C9001000PF/250VAC
NR901NTCR
C915100N 50V
C917
100N 50V
8.
R901620K +-1% 1/4W
IC901TOP255EN
1
2
3
457
V
X
C
FSD
+ C90847uF/50V
R906 30 OHM 1/4W
!
+C907A100uF 450V
Relayout
R926
2.2 OHM 1/4W
R914NC
R90311K 1/8W 1%
C911
2N2 500V
ON/OFF_INPUT
17.4V
!C906
1500PF2KV
+ C9121000uF 25V
!
C91610N 16V
VOL
C9192N2 500V
DIM_OUTPUT
R9270R05 4A 1/4W
R908 30 OHM 1/4W
R907 30 OHM 1/4W
R91310K 1/10W 1%
R92582K +-1% 1/8W
HS1HEAT SINK(IC901)
12
L902
R922
3.3 OHM 1/4W
11.3K 4/13
+ C914
470UF M 16V
R909 30 OHM 1/4W
F601NC
R902620K +-1% 1/4W
R904 30 OHM 1/4W
IC902PC123X2YFZOF
12
43
+14.5VR905 30 OHM 1/4W
R920
3.3 OHM 1/4W + C913680uF 10V
CN902
Wire Harness
123456789
C903330pF/250V
FB902BEAD
1 2
R900620K +-1% 1/4W
R916470 OHM 1/10W
Q901KTD1028
Relayout
R918250OHM2W
D901FR103 93G 6038T 52T
!
C920
2N2 500V
-+
BD901KBP208G
2
1
3
4
C902330pF/250V
ZD901
MTZJ T-72 22B
12
GND3GND
12
F901
+5V1
C9040.47UF
2. POWER BOARD
Copyright © 2010 LG Electronics. Inc. All right reserved. - 33 - LGE Internal Use Only Only for training and service purposes
Q622NC
BKLT-VBRI PANEL
Q621NC
ON/OFF_INPUTR620NC
+5V1
R625NC
R624 NC
R626NC R627
NC
+5V1
R622NC
DIM_OUTPUT
DIM_INPUT
ON/OFF_OUTPUT
R629 NC
BKLT-EN PANEL
R6280R05 1/10W
R621NC
R6230R05 1/10W
Copyright © 2010 LG Electronics. Inc. All right reserved. - 34 - LGE Internal Use Only Only for training and service purposes
R826 1 OHM 1/10W
R842150K +-1% 1/10W
R828 1 OHM 1/10W
ZD801
B360B
R833 1 OHM 1/10W
R830 1 OHM 1/10W
R8234.7K 1/10W
R820
100 OHM 1/10W
IC802
TA9690GN
123456789
101112 13
1415161718192021222324
PWMISEN1ISEN2ISEN3ISEN4GNDAISEN8ISEN6ISEN7OVPISETRT ENA
ISWISEN5
LDRVREFGNDP
VINSEL
COMPSSTCMP
NCSTATUS
R8250R05 1/4W
R819100K 1/10W 5%
C815NC
R821 10K 1/10W 5%
C8092.2U16V
R816 120KOHM 1/10W
R809100K 1/10W 5%
R808NC
R843150K +-1% 1/10W
C8080.47uF 16V
C8062U2 25V
R834 1 OHM 1/10W
R835 1 OHM 1/10W
CN803CONN
123456789
10
1112
R803
1K 1/10W 5%
R807
10 OHM 1/10W
R837 1 OHM 1/10W
R810
1K 1/10W 5%
R845
NC
R836 1 OHM 1/10W
L801
22uH
R832 1 OHM 1/10W
C801
100N 50V
C814
NC
R801
0.3 OHM +-1% 1/4W
Q801
AO4828L
1234 5
678S2
G2S1G1 D1
D1D2D2
C8050.47uF 16V
F801 FUSE
R82456K +-5% 1/10W
R805 120KOHM 1/10W
R829 1 OHM 1/10W
R838 1 OHM 1/10W
R81527K 1/10W 1%
R81410 OHM 1/10W
C813NC
R80427K 1/10W 1%
R813 10K 1/10W 5%
R840 1 OHM 1/10W
R802
0.3 OHM
OVP2
R812
100 OHM 1/10W
R827 1 OHM 1/10W
R8221M 1/10W 5%
CN802CONN
123456789
10
1112
+
C804100uF 50V
R818NC
R831 1 OHM 1/10W
R839 1 OHM 1/10W
+14.5V
R81710K 1/10W 5%
+ C802
100uF 50V
C810NC
OVP1
C811NC
R841 1 OHM 1/10W
C8072.2U16V
C812NC
DIM
R844
10 OHM 1/10W
Vout
C8161N 50V
IC801TA9690GN
123456789
101112 13
1415161718192021222324PWM
ISEN1ISEN2ISEN3ISEN4GNDAISEN8ISEN6ISEN7OVPISETRT ENA
ISWISEN5
LDRVREFGNDP
VINSEL
COMPSSTCMP
NCSTATUS
CN801CONN
12345678910
1112
Vout
OVP2
R8110R05 1/10W
ENA
OVP1
R80610K 1/10W 5%
C803100N 50V
3. CONVERTER BOARD