Read LG 32LH35FD (CHASSIS:LJ91A) Service Manual online
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
2009.01.20
MICOM, POWER_DET
BRAZIL DVR DV
R467
OPT
C429
0.1uF
+12.0V
C404
10uF
+3.3V_ST
R455 1K
GND
GND
R456
33K
+5.0V
R461
100
FLASH_WP_1
9:C1
+5.0V_ST
IC406
M24C16-WMN6T
3
3
2
2
4
4
1
1
5
5
6
6
7
7
8
8
+5.0V
R477
OPT
C425
0.1uF
GND
R417
100
LED_WARM_STBY
DDC_SCL
1:J7
+3.3V_ST
R433
4.7K
Q461
2SC3052
2SC3052
OPT
E
B
C
Q460
2SC3052
2SC3052
OPT
E
B
C
D3.3V
R4009
0
0
OPT
UCOM_TX
14:X6
R421
22
IC407
MTV416GMF
1
HSYNC/P1.5
2
VSYNC/P1.6
3
P1.7/SOGI
4
RST
5
HSCL1/P3.0/RXD
6
P4.3/AD3
7
HSDA1/P3.1/TXD
8
P3.2/INT0
9
P3.3/INT1
10
ISDA/P3.4/T0
11
ISCL/P7.5
12
HSDA2/P7.4
13
HSCL2/P7.3
14
X2
15
X1
16
VSS
17
P4.0/AD0
18
P6.0/CLKO1
19
P6.1
20
P6.2
21
P6.3
22
P6.4
23
P6.5
24
P6.6
25
P6.7
26
P7.2/HCLAMP
27
P7.1/VBLANK
28
P4.1/AD1
29
P7.0/HBLANK
30
P5.7/CLKO2
31
P5.6
32
P5.5
33
P5.4
34
P5.3
35
P5.2
36
P5.1
37
P5.0
38
VDD
39
P4.2/AD2
40
P1.0/ET2
41
P1.1/DA0
42
P1.2/DA1
43
P1.3/DA2
44
P1.4/DA3
IC460
NCP803SN293
1
GND
3
VCC
2
RESET
SCL2_3.3V
B5;2:AH5;14:C5;3:B4
EYEQ_SDA_3.3V
UCOM_RX
14:R8
R440
100
R443
33K
33K
R462
100
R473
OPT
R423
47K
C415
0.1uF
R472
10K
R451
4.7K
R474
OPT
C418
0.1uF
R424
220
R420
22
R4010
0
0
C431
0.1uF
KEY1
14:AA25
R402
100
100
SDA2_3.3V
B5;2:AH5;14:C6;3:B4
RL_ON
4:D7;14:X19
R430
22
+5.0V_ST
GND
R
4
4
1
1
0
0
MICOM_RESET
3:A6
R480
15K
R404
100
R416
1K
R434
15K
R437
22
R469
OPT
R428
4.7K
R453
68K
68K
+3.3V_ST
GND
+3.3V_ST
R438
22
R464
2K
Q400
2SC3052
E
B
C
+20.0V
R475
30K
1/10W
1%
R4005
1K
R418
4.7K
R
4
4
2
4
.
7
K
+3.3V_ST
+3.3V_ST
R454 1K
HDMI_CEC
2:AD27
IC405
KIA7029AF
2
G
3
O
1
I
R448
4.7K
R449
4.7K
OPT
R435
4.7K
R481
7.5K
GND
R431
4.7K
KEY2
14:AA25
C417
0.1uF
Q401
RT1N141C-T112-1
E
B
C
ERROR_OUT
4:C5
+3.3V_ST
X400
24MHz
R407
4.7K
4.7K
GND
GND
R413
0
+5.0V_ST
GND
R439
100
R401
100
100
R471
OPT
R400
100
C424
0.1uF
0.1uF
R427
10K
C422
0.1uF
0.1uF
R450
1K
GND
R
4
0
3
22
C430
0.1uF
C426
0.1uF
R432
220
R4006
4.7K
4.7K
GND
R460
4.7K
R425
4.7K
/W_PROTECT
1:I7
IR
1:C1;14:U23
INV_ON/OFF
4:C6
R470
OPT
POWER_DET
9:A7;B3
EYEQ_SCL_3.3V
MUTE1
3:D4
GND
LED_POWER_ON
R468
OPT
R414
0
OPT
R459
22
OPT
+3.3V_ST
R436
33K
GND
LVDS_PANEL_CTRL
4:G1
POWER_DET
R426
4.7K
IC404
AZ1117H-3.3
2
OUTPUT
3
INPUT
1
ADJ/GND
+3.3V_ST
R463
2K
C405
22uF
R415
100
DDC_SDA
1:J7
R476
5.1K
1/10W
5%
C428
22pF
22pF
C427
22pF
22pF
R429
22
C423
0.1uF
0.1uF
R452
4.7K
OPC_EN
7:E2
12
17
POWER DETECT
LCD :
AI_ON/OFF
3.3V_VDDP_ST , MICOM
PDP :
POD
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
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