Read LG 52LG7500-ZB (CHASSIS:LD86F) 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.
C1422
0.47uF
Q1400
2SC3875S
E
B
C
SIDE_VIN
SCL_5V
C 1441
0.
47uF
C1420
2.2uF
SDA_5V
C1400
4.7uF
50V
C1
444
0.
47uF
C1410
47uF
16V
L1412
HB-1M2012-800JT
Q1403
2SA1504S
E
B
C
Q1401
2SC3875S
E
B
C
C1419
0.47uF
SIDE_YIN
DTV/MNT_ROUT
C 1
440
2.2uF
C
142
6
0.
47u
F
C1453
15pF
50V
DTV/MNT_VOUT
C
1428
2
.
2uF
L1413
HB-1M2012-800JT
C 143
9
0.47uF
C1423
0.47uF
C1449
2.2uF
GND
C1448
0.47uF
SIDE_LIN
C1421 82pF 50V
SCART2_RIN
C1401
4.7uF
50V
C1418
0.47uF
DTV/MNT_LOUT
C
1445
2.
2uF
SIDE_S_SW
SCART2_ID
SCART2_LIN
SIDE_RIN
IC1400
CXA2069Q
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
C1447
0.47uF
C1442
2.2uF
C1452
15pF
50V
SCART2_VIN
5.0V
L1401
HH-1M3216-501
GND
SIDE_CIN
Q1402
2SC3875S
E
B
C
+9V_CXA2069
Q1404
2SC3875S
E
B
C
C1408
100uF
16V
C
1429
0.
47uF
C1407 22uF 16V
SCART1_ID
SCART1_RIN
SCART1_LIN
SCART1_VIN
TV_LOUT
TV_ROUT
TU_MAIN
DTV_LOUT
SP_CVBS
DTV_ROUT
MAIN_V/YOUT
MAIN_COUT
AV_LOUT
AV_ROUT
R1462
100
R1414 100
R 1420
100
R1403 100
R 141
8
100
R1402 100
R1417 100
R1405
1K
R1404
1K
R1455
4.7K
R1401
4.7K
R1454
470K
R1453
470K
R1456
1.5K
R1400
1.5K
R1410
0
R1413
0
R1406
0
C1412
0.1uF
C1413
0.1uF
C1411
0.01uF
C1404
0.01uF
R1409
150
R1415
220
R1411
220
R1416
220
R1412
220
R1463
100K
R1431
1.2K
C1409
0.1uF
GND
GND
R1433
100
R1430
1.2K
R1429
1K
R1467
1K
R1436
1.2K
R1466
1.2K
R1468
1.2K
R1438
1.2K
R1461
100
R1439
100
R1460
100
R1465
100
R1423
100
R 1419
100
R1422
100
R1421
100
TP1400
TP1401
TP1402
TP1403
TP1404
TP1405
TP1406
TP1407
TP1408
TP1410
TP1411
TP1412
TP1413
TP1414
TP1415
TP1417
TP1420
TP1421
TP1422
TP1423
TP1424
TP1425
TP1426
TP1427
TP1428
TP1429
TP1430
TP1431
TP1432
TP1433
TP1434
TP1436
TP1437
TP1438
TP1439
TP1440
TP1441
TP1442
TP1443
TP1446
TP1447
TP1449
TP1450
TP1451
TP1452
TP1453
TP1454
TP1455
TP1456
TP1457
TP1463
TP1464
TP1465
TP1466
TP1467
C1402
680pF
C1403
680pF
R1452
100
R1408
2.7K
R1407
2.7K
TP1469
TP1470
TP1468
SCART1 Input
S-4
14.AV SWITCH
RV4
V6
TU-MAIN/IN
R1
MNT/DTV OUT
ROUT3
VCC
S2-3
RV6
Input
C2
LV4
LOUT2
LOUT1
C1
C3
AV-REAR
L1
Analog Tuner
[Y/CVBS 2.2uF : 2012 Type]
SCART2
S1
ROUT2
RV5
S2-1
YIN1
VOUT1
TV
LOUT3
L2
AV1
MAIN/OUT
ADR
TU-PIP/IN
COUT2
VGND
COUT1
CVBS/S
R2
MUTE
SCART2 Input
Y1
MONITOR/OUT
RTV
SCART-2
Y4
SCL
V/YOUT2
COUT3
TRAP2
CIN1
LV6
Y3
V4
V3
C4
AV-FRONT
S-2
S2-4
MAIN OUT
V5
S-3
LV5
AUDIO_GND
RV3
TRAP1
DC-OUT
Side AV
VOUT3
YOUT3
ROUT1
V2
LV3
AV2
SUB/OUT
BIAS
SCART-1
SDA
LTV
YOUT1
S2-2
Y2
C
2008
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