Read LG 42LG7500 (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.
2007/08/30
AUDIO PART
C1347
0.47uF
L1301
HH-1M3216-501
R1301
24K
SPDIF_MSP_OUT
C1341
3.3uF
50V
SCL
CLK
Q1302 2SC3875S
C1343
100uF
16V
C1345 10uF
25V
+8V_MSP4450
L1304
DA-8580
2S
1S
1F
2F
MS_LRCK
C1332
0.47uF
C1329
0.47uF
SDA
C1344
10uF
25V
CLK
C1319
3.3uF
50V
MUTE_MAIN
C1335
0.47uF
SDA_5V
C1307
6800pF
C1320
0.47uF
+3.3V
C1370
0.47uF
L1305
DA-8580
2S
1S
1F
2F
Q1304
2SC3875S
SCL_5V
C1309 4.7uF 50V
Q1303
2SC3875S
C1308
6800pF
C1310 4.7uF 50V
C1315
3pF
MS_SCK
C1371
0.47uF
Q1301
2SC3875S
C1314
3pF
R1302
470
MS_LRCH
Q1305 KRA102S
C1350 10uF 16V
+3.3V
C1346
0.47uF
X1300
18.432MHz
Q1300
2SC3875S
C1321
0.47uF
C1313
22uF
16V
SW_RESET
AV_LOUT
MS_SCK
MS_LRCK
MS_LRCH
AV_ROUT
PC_AUDIO_R
PC_AUDIO_L
COMP_RIN
COMP_LIN
R1345
4.7K
R1346
4.7K
C1330
0.01uF
C1340
0.01uF
C1322
0.01uF
R1303
1.5K
C1316
0.1uF
C1311
0.1uF
C1374 0.1uF
C1327
0.1uF
C1373
0.1uF
C1351 0.1uF
C1318
56pF
C1317
56pF
R1309
100
R1308
100
R1364
750
R1365
750
R1366
750
C1333
100pF
C1338
470pF
R1320
0
R1319
0
R1327
0
R1321
2K
R1322
2K
R1324
470K
R1323
470K
C1323
OPT
C1324
OPT
C1342
0.1uF
1.8V_AMP
C1306
1uF
R1351 4.7K
R1353 4.7K
C1360
1000pF
C1361
1000pF
C1358
1000pF
C1357
1000pF
R1355
4.7K
R1356 4.7K
R1352
3.3
R1354
3.3
R1358
3.3
R1357
3.3
P_16V
R1375
5.6
C1386
1000pF
R1373
5.6
C1384
1000pF
P_16V
R1374
5.6
C1383
1000pF
P_16V
R1372
5.6
C1382
1000pF
P_16V
R1348
5.6
5.6
R1350
R1349
5.6
R1347
5.6
P_16V
C1376
22000pF
C1375
1uF
C1398
1uF
C1387
22000pF
C1388
22000pF
C1389
22000pF
P_16V
C1391
0.1uF
C1393
0.1uF
R1370
100
C1394
1000pF
1.8V_AMP
C1395
1000pF
R1369 3.3K
C1396
100pF
C1399 0.1uF
C1392
0.1uF
AC_DET
C1385 1uF
C1369 0.01uF
C1368
0.01uF
C1362
0.01uF
C1365
0.01uF
R1376
0
R1314
100
R1313
100
R1312
100
R1310
0
R1334
220
R1332
220
R1333
220
R1307
100
R1306
OPT
C1312
0.01uF
R1300
68K
R1315
1K
R1316
1K
R1317 4.7K
R1318 4.7K
IC1300
MSP4450K-VK-E8-500
1
NC_1
2
I2C_CL
3
I2C_DA
4
I2S_CL
5
I2S_WS
6
I2S_DA_OUT
7
I2S_DA_IN1
8
I2S_DEL_IN
9
I2S_DEL_OUT
10
I2S_DEL_CL
11
I2S_DEL_WS
12
DVSUP_1
13
DVSUP_2
14
DVSS_1
15
DVSS_2
16
I2S_DA_IN2
17
I2S_CL3
18
I2S_WS3
19
RESETQ
20
I2S_DA_IN3
21
I2S_DA_IN4
22
NC_2
23
DACA_R
24
DACA_L
25
VREF2
26
DACM_R
27
DACM_L
28
DACM_C
29
DACM_SUB
30
DACM_SR
31
DACM_SL
32
NC_3
33
SC2_OUT_R
34
SC2_OUT_L
35
VREF1
36
SC1_OUT_R
37
SC1_OUT_L
38
CAPL_A
39
AHVSUP
40
CAPL_M
41
SC3_OUT_R
42
SC3_OUT_L
43
AHVSS_1
44
AHVSS_2
45
AGNDC
46
NC_4
47
NC_5
48
SC4_IN_L
49
SC4_IN_R
50
SC3_IN_L
51
SC3_IN_R
52
SC2_IN_L
53
SC2_IN_R
54
SC1_IN_L
55
SC1_IN_R
56
VREFTOP
57
SC5_IN_L/MONO_IN
58
SC5_IN_R
59
AVSS_1
60
AVSS_2
61
AVSUP_1
62
AVSUP_2
63
ANA_IN1+
64
ANA_IN-
65
ANA_IN2+
66
TESTEN
67
XTAL_IN
68
XTAL_OUT
69
TP
70
AUD_CL_OUT
71
NC_6
72
NC_7
73
NC_8
74
NC_9
75
NC_10
76
SPDIF_OUT
77
DCTRI/O_1
78
DCTRI/O_0
79
ADR_SEL
80
STANDBYQ
SW_RESET
SCLK_MUX
LRCLK_MUX
PCMDATA_MUX
TV_LOUT
TV_ROUT
MUTE_LINE
AM_AUDIO
C1326
0.47uF
SIF
C1378 0.1uF
R1371 3.3
C1377
0.1uF
C1380
0.01uF
C1379 0.1uF
JP1300
JP1301
JP1302
JP1303
TP1300
TP1301
TP1302
TP1303
TP1304
TP1305
TP1306
TP1307
TP1308
TP1309
TP1311
TP1312
TP1314
TP1315
TP1316
TP1319
TP1322
TP1333
TP1334
TP1335
TP1338
TP1339
TP1340
TP1343
TP1344
TP1345
TP1349
TP1350
TP1351
TP1353
TP1354
TP1364
TP1365
TP1366
TP1367
TP1368
TP1369
TP1371
TP1372
TP1373
TP1377
TP1378
TP1381
TP1382
TP1385
TP1386
TP1389
C1397 10uF 6.3V
C1390 10uF 6.3V
P1301
SMAW250-04
1
R-
2
R+
3
L-
4
L+
C1300
100uF
25V
C1381
100uF
25V
R1311
100
R1328
220
IC1301
NTP3000A
1
BST1A
.
2
VDR1A
.
3
/RESET
.
4
AD
.
5
VSS_IO
.
6
CLK_I
.
7
CLK_O
.
8
VDD_IO
.
9
DGNDPLL
.
10
AGNDPLL
.
11
LFM
.
12
AVDDPLL
.
13
DVDDPLL
.
14
NC_1
.
15
DVSS
.
16
DVDD
.
17
SDATA
.
18
WCK
.
19
BCK .
20
SDA .
21
SCL .
22
PWM_3B/PWM_HP2
.
23
PWM_3A/PWM_HP1
.
24
PROTECT
.
25
FAULT .
26
VDR2B
.
27
BST2B .
28
PGND2B_1
.
29
PGND2B_2.
30
OUT2B_1.
31
OUT2B_2.
32
PVDD2B_1.
33
PVDD2B_2.
34
PVDD2A_1.
35
PVDD2A_2.
36
OUT2A_1.
37
OUT2A_2.
38
PGND2A_1.
39
PGND2A_2.
40
BST2A.
41
VDR2A.
42
NC_2.
43
VDR1B
.
44
BST1B
.
45
PGND1B_1
.
46
PGND1B_2
.
47
OUT1B_1
.
48
OUT1B_2
.
49
PVDD1B_1
.
50
PVDD1B_2
.
51
PVDD1A_1
.
52
PVDD1A_2
.
53
OUT1A_1
.
54
OUT1A_2
.
55
PGND1A_1
.
56
PGND1A_2
.
C1301
0.1uF
READY
C1363 0.1uF
C1364 0.1uF
C1367 0.1uF
C1366
0.1uF
5.0V_MSP
5.0V_MSP_1
L1306
UBW2012-121F
L1307
UBW2012-121F
L1309
UBW2012-121F
L1310
UBW2012-121F
L1311
UBW2012-121F
L1312
UBW2012-121F
R1368 0
R1367 0
C1303 0.01uF
R1361
100
R1360
100
C1304
0.01uF
C1302
100uF
25V
13 15
13.AUDIO BLOCK
France-MPEG4
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