Read LG 47LH40FD (CHASSIS:LC91A) Service Manual online
USB DOWN STREAM
Fiber Optic
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.
INTERFACE
C1439
18pF
50V
D1423
5.6V
OPT
AMOTECH
PC_L_IN
002:S16
JK1401
PEJ024-01
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
AV2_DET
001:AJ18
JK1406
PPJ200-07
3A
2A
4A
2B
5B
D1430
30V
AMOTECH
AV2_R_IN
002:S15
AV1_DET
001:AJ15
SIDE_USB_DP
001:AM8
DSUB_HSYNC
002:E18
DBG_RX
001:Y15;001:AJ11
D1449
5.6V
CDS3C05HDMI1
JK1408
KCN-DS-1-0088
1
2
3
4
5
6
7
8
9
10
JK1409
KJA-UB-4-0004
1
2
3
4
5
D1417
30V
AMOTECH
D1422
5.6V
OPT
AMOTECH
+3.3V
+3.3V
D1454
5.6V
AMOTECH
D1447
5.6V
AMOTECH
AV1_CVBS_IN
002:E21
C1411
OPT
D1400
OPT
IR_OUT
008:V18
D1412
30V
AMOTECH
+5V_ST
D1420
30V
AMOTECH
+5V_GENERAL
AV1_R_IN
002:S15
COMP2_L_IN
002:S16
AV2_L_IN
002:S15
+3.3V
R1491
10K
IC1401
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
COMP2_DET
001:AA22
S_Y_IN
002:E22
COMP1_L_IN
002:S14
D1435
5.6V
AMOTECH
D1426
30V
OPT
SPDIF_OUT
002:W18
COMP2_Pr_IN
002:E20
USB_CTL
001:AJ26
D1402
5.6V
OPT
AMOTECH
PC_R_IN
002:S16
C1413
OPT
D1440
5.6V
AMOTECH
D1442
5.6V
AMOTECH
D1448
ENKMC2838-T112
A1
C
A2
D1431
30V
AMOTECH
D1446
5.6V
AMOTECH
D1441
30V
AMOTECH
D1424
5.6V
OPT
AMOTECH
USB_OCD
001:AJ14
S_C_IN
002:E22
COMP2_Y_IN
002:E20
D1414
5.6V
AMOTECH
DSUB_G
002:E19
+5V_ST
JK1407
KCN-DS-1-0089
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
D1445
30V
AMOTECH
D1451
5.6V
CDS3C05HDMI1
D1434
5.6V
AMOTECH
+3.3V
ISP_RXD
001:Y14
C1412
OPT
COMP1_Y_IN
002:E16
DSUB_DET
001:AA22
COMP2_Pb_IN
002:E20
S_DET
001:AJ19
C1440
18pF
50V
D1419
30V
AMOTECH
AV1_L_IN
002:S15
D1432
30V
AMOTECH
JK1403
JST1223-001
1
GND
2
VCC
3
VINPUT
4
FIX_POLE
D1452
30V
AMOTECH
D1411
30V
AMOTECH
COMP2_R_IN
002:S16
IC1400
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
+3.3V
+5V_ST
DSUB_VSYNC
002:E18
D1418
30V
AMOTECH
COMP1_DET
001:AJ20
COMP1_Pr_IN
002:E16
+3.3V
DSUB_B
002:E19
COMP1_R_IN
002:S14
D1425
30V
OPT
D1413
30V
AMOTECH
DBG_TX
001:Y15;001:AN10
D1415
5.6V
AMOTECH
+5V_GENERAL
COMP1_Pb_IN
002:E17
D1444
5.6V
AMOTECH
D1416
5.6V
AMOTECH
SIDE_USB_DM
001:AM8
+5V_USB_SIDE
D1403
5.6V
OPT
AMOTECH
EDID_WP
001:AJ19;005:AL5;005:AL10;005:AL16
D1433
5.6V
AMOTECH
D1421
30V
AMOTECH
D1443
5.6V
AMOTECH
DSUB_R
002:E18
ISP_TXD
001:Y15;001:AN11
AV2_CVBS_IN
002:E21
D1453
30V
AMOTECH
JK1402
PPJ227-01
9N
[GN]E-LUG.
5K
[GN]O-SPRING-L
COMP2_Y
6K
[GN]CONTACT-L.
4E
[GN]O-SPRING-S
COMP1_Y
3E
[GN]CONTACT-S.
9M
[BL]E-LUG.
7J
[BL]C-LUG-L
COMP2_Pb
8D
[BL]C-LUG-S
COMP1_Pb
9L
[YL]E-LUG.
4L
[YL]O-SPRING-S
AV1_CVBS
3L
[YL]CONTACT-S.
7H
[RD]C-LUG-L
COMP2_Pr
8C
[RD]C-LUG-S
COMP1_Pr
9G
[WH]E-LUG.
8M
[WH]C-LUG-S_1
AV1_L
7G
[WH]C-LUG-L
COMP2_L
8B
[WH]C-LUG-S_2
COMP1_L
9F
[RD]E-LUG.
4N
[RD]O-SPRING-S_1
AV1_R
3N
[RD]CONTACT-S_1.
5F
[RD]O-SPRING-L
COMP2_R
6F
[RD]CONTACT-L.
4A
[RD]O-SPRING-S_2
COMP1_R
3A
[RD]CONTACT-S_2.
R1496
0
R1497
0
R1498
0
JK1405
PSJ014-01
6
GND
1
C-LUG1
2
C-LUG2
3
0-SPRING
4
C-LUG3
5
C-LUG4
7
SHIELD
AUDIO_R_OUT
C2400
0.1uF
50V
IC1404
LM324D
3
3
2
2
4
4
1
1
6
6
5
5
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
AUDIO_L_OUT
+12V
AUDIO_LR_OUT_MUTE
Q2402
RT1P141C-T112
1
2
3
2SC3052
Q2401
2SC3052
Q2400
D2400
5.6V
D2401
5.6V
R1402
470K
R1403
470K
R1433
470K
R1434
470K
R1465
470K
R1466
470K
R1474
470K
R1475
470K
R1477
470K
R1478
470K
R1407
15K
R1408
15K
R1411
10K
R1413
10K
R1424
10K
R1435
10K
R1436
10K
R1467
10K
R1468
10K
R1481
10K
R1482
10K
R1483
10K
R1484
10K
R1494
10K
R1412
0
OPT
R1418
0
R1419
0
R1420
0
R1422 0
R1428
0
R1439
0
R1440
0
R1449 0
OPT
R1455
0
R1456
0
R1460
0
R1471
0
R1472
0
R1421
75
R1423
75
R1430
75
R1431 75
R1432 75
R1462
75
R1463 75
R1464 75
R1479
75
R1480
75
R1425
1K
R1426
1K
OPT
R1429
1K
R1452
1K
R1461
1K
R1473 1K
R1476 1K
R1427
4.7K
R1451
4.7K
R1457
4.7K
R1458 4.7K
R1459
4.7K
R1437
12K
R1438
12K
R1469
12K
R1470
12K
R1485
12K
R1486
12K
R1487
12K
R1488
12K
R1446
22
R1448
22
R1453
100
R1454
100
R1495
47
R2400
470K
R2401
470K
R2404
470K
R2405
470K
R2402
2.2K
R2403
2.2K
R2406
2K
R2407
2K
R2410
33K
R2411
33K
R2412
10K
R2413
10K
C2401
10uF
16V
C2402
10uF
16V
C2403
33pF
C2404
33pF
C2405
0.1uF
16V
C1400
100pF
50V
C1401
100pF
50V
C1432
100pF
50V
C1433
100pF
50V
C1434
100pF
50V
C1435
100pF
50V
C1408
0.1uF
16V
C1420
0.1uF
16V
C1421
0.1uF
16V
C1430
0.1uF
16V
C1431
0.1uF
16V
C1438
0.1uF 16V
C1409
1000pF
50V
C1410
1000pF
50V
C1423
1000pF
50V
C1424
1000pF
50V
C1415
220pF
50V
C1416
220pF
50V
C1436
47pF
50V
C1437
47pF
50V
C1443
47pF
50V
C1444
47pF
50V
C1445
0.1uF
16V
R2408
5.6K
R2409
5.6K
R1447
6.2K
R1450
6.2K
C1414
0.33uF
16V
C1417
0.33uF
16V
C1418
0.33uF
16V
C1419
0.047uF
25V
IC1403
MP6211DH
3
IN_2
2
IN_1
4
EN
1
GND
5
FLAG
6
OUT_1
7
OUT_2
8
OUT_3
D1455
ENKMC2838-T112
A1
C
A2
SB_MUTE
C1446
100uF
16V
R1489
4.7K
R1490
4.7K
R1499
100
C1428
68pF
C1429
68pF
R1441
68
R1442
68
R1417
22
C1407
100pF
50V
JK1404
PPJ218-02
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
R1445
75
R1443
75
R1444
75
EAX60736302
4 9
2009.02.27
PC AUDIO
AV2(SIDE)
Component1/2 and AV1(rear)
SPDIF OUT
SIDE_USB
RS232C
PC RGB
S-Video(AV1,rear)
AUDIO OUT
(option : AUDIO_LR_OUT)
Close to JK1409
LC91A(32/37/42/47LH40FD-CE)
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