LG 32LD310H, Service Manual

Page: 34 / 64

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.
+5V_ST_PTC
BEXT_MPI_OUT
011:M16
bLAN_CHECK_5VON
011:X21
10K R2535
OPT
0
R2573
b_MPI_DIN
0 1 6 : A I 1 9 ; 0 1 1 : S 5 ; 0 1 1 : X 2 5
10K R1481
MLB-201209-0120P-N2
C1485
22K R1483
OPT
47K
R1480
+5V_ST_PTC
+5V_ST_PTC
+12V_C_MPI
YFDW254-06S
P1400
BLAN
4 3
2
6
1
5
0 R1423
2SC3875S(ALY)
Q1402
OPT
E
B
C
0
R1462 OPT
GND
0 R1427
12505WS-15A00
P1405
BLAN
1
NC
2
GND
3
MPI IN
4
MPI OUT
5
PM4
6
PM2
7
PM1
8
GND
9
NC
10
PTO
11
NC
12
5V ON
13
12V ON
14
5VST
16
GND
15
NC
0
R1417
b_SPI_DIN
016:AM22;011:M17;011:S13
47K R1482
OPT
BEXT_MPI_OUT 011:O7
bLAN_CTRL_PTC_1
016:Y21
bLAN_POWER_MANAGE
016:N17;011:AD20
10K R1486
5.6V
D1407
OPT
b_MPI_DIN
0 1 6 : A I 1 9 ; 0 1 1 : L 2 0 ; 0 1 1 : X 2 5
+5V_ST_PTC
b_SPI_DOUT
016:AM22;011:M17;011:S12
4.7K R2533
OPT
0 R1454
0 R1452 OPT
bLAN_CHECK_5V
011:Y20
0 R1428 OPT
5.6V
D1404
OPT
2SC3875S(ALY)
Q1480
E
B
C
0 R1435
5.6V
D1401
OPT
22K
R1492
SPI_DIN
011:M18
0
R1453
0
R1434 OPT
0
R1415
b_SPI_CLOCK
016:AM23;011:M17;011:X23
bLAN_IR_IN_MODEM
016:AN12;011:O16;011:X5
0
R1416
22uF
25V
C1484
BEXT_5V
bLAN_CHECK_5V
011:AF26
47uF
25V
C1481
BLAN
MJ-623PT-6-S-SD
JK1401
BLAN
1
2
3
4
5
6
7
0
R1418
0 R1429 OPT
bLAN_POWER_MANAGE
016:N17;011:AF24
MLB-201209-0120P-N2 L1401
GND
+12V_C
b_com_PWCTRL
0 1 1 : F 5
2SC3875S(ALY)
Q1404 OPT
E
B
C
MPI_DIN
0 1 1 : L 2 0
0 . 1 u F
C1414
0 R1410
0
R2572
10K R1466
OPT
5.6V
D1402
OPT
0 R1467
OPT
BEXT_Game_Control_Latch 011:O6
b_MPI_DOUT
0 1 6 : A N 1 8 ; 0 1 1 : L 1 9 ; 0 1 1 : X 2 5
SPI_DOUT
011:M18
0
R1404 OPT
bLAN_CHECK_12VON
011:AD21
0 R1407
0
R2571
bLAN_CHECK_12VON
011:X20
MLB-201209-0120P-N2
L1403
100uF
16V
C1411
0
OPT
R2534
5.6V
D1405
OPT
0 R1449
MLB-201209-0120P-N2
L1402
0
R1413
0 . 1 u F
C1415
10K R1463
OPT
0 R2562
OPT
+5V_BLAN
0
R1490
OPT
+5V_BLAN
b_SPI_CLOCK
016:AM23;011:M17;011:Y12
0 R2536
OPT
BEXT_IR_MODEM
011:O5
47K
R1487
2SC3875S(ALY)
Q1481
E
B
C
0 R1420
0 R1425
BEXT_Game_Control_Latch
011:M14
0
R2570
47K
R1485
5.6V
D1403
OPT
b_SPI_DIN
016:AM22;011:S13;011:X24
100uF
16V
C1483
BLAN
5.6V
D1406
OPT
b_MPI_DOUT
0 1 6 : A N 1 8 ; 0 1 1 : L 1 9 ; 0 1 1 : S 7
BEXT_IR_MODEM
011:M14
22K R1489
OPT
0 R1451
b_SPI_DOUT
016:AM22;011:S12;011:X24
0
R2569
0
R1422
0 R1436 OPT
0 R2529
0
R1491
MPI_DOUT
0 1 1 : L 2 0
0 R1431
0
R1437
+12V_C
30V
D1408
OPT
BEXT_5V
GND
b_MPI_DOUT
0 1 6 : A N 1 8 ; 0 1 1 : S 7 ; 0 1 1 : X 2 5
0
R1414
0
R2568
0
R1401
0 R2531 OPT
bLAN_CTRL_PTC_0
016:X22
0 R1406
2.2K
R1493
b_MPI_DIN
0 1 6 : A I 1 9 ; 0 1 1 : L 2 0 ; 0 1 1 : S 5
bLAN_IR_IN_MODEM
016:AN12;011:X5;011:X22
0
R2519
SI4925BDY
Q1482
BLAN
3 S2
2 G1
4 G2
1 S1
5 D2_1
6 D2_2
7 D1_1
8 D1_2
SPI_CLOCK
011:M18
0 R1403 OPT
0 R1405 OPT
MLB-201209-0120P-N2
L1404
bLAN_CHECK_5VON
011:AF25
b_SPI_CLOCK
016:AM23;011:X23;011:Y12
0
R1484
0 R1438
+5V_ST_PTC
5.6V
D1400
OPT
b_SPI_DIN
016:AM22;011:M17;011:X24
b_SPI_DOUT
016:AM22;011:M17;011:X24
0 R1421 OPT
0 R1450
+5V_ST_PTC
TMMB-H001P(W/O Tuner)
TU1002
BLAN
1
RF_OUT[NC]
2
GND_1
3
+3.3V
4
TSCL
5
TSDA
6
GND_2
7
IF_AGC
8
DIF-P
9
DIF-N
10
+5V
11
GND_3
12
J P 2 - P 1
13
J P 2 - P 4
14
J 1 - P 2
15
J 1 - P 3
16
J 1 - P 4
17
J 1 - P 5
18
PTS
19
J P 1 - P 3
20
J P 1 - P 4
21
J P 1 - P 5
22
J P 1 - P 6
23
J P 1 - P 7
24
J P 1 - P 1 0
25
J 2 - P 1
26
J 2 - P 2
27
J 2 - P 3
28
J 2 - P 4
29
J 2 - P 6
30
SHIELD
0
OPT
R1465
0
R1448
0
R1430 OPT
10K R2532 OPT
0
R1426
BEXT_MPI_DIN
011:M15
0 R2530
0 R1409
OPT
0
R1419 OPT
100uF
16V
C1413
0 R1402
OPT
4.7K R1464
47K
R1488
0 R1400
GND
BEXT_MPI_DIN 011:O7
3.3K
R1472
2SC3875S(ALY)
Q1470
E
B
C
1/10W
3.3K
5%
R1474
1W 200 R1473
BEXT_5V
2N3906S-RTK
Q1471
E
B
C
220pF
50V
C1470
1/10W
10K
5%
R1470
b_com_PWCTRL
011:K21
+12V_C_MPI
MLB-201209-0120P-N2
L1470
1W 200 R1471
P E J 0 2 7 - 0 1
JK6001
BLAN
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
2 . 2 u F
25V
C1480
2 . 2 u F
25V
C1482
0 . 2 2 u F
50V
C1412
MLB-201209-0120P-N2
L1405
+5V_ST_PTC
+5V_ST
HEF4053B
IC1401
3
Y1C
2
Y0B
4
ZC
1
Y1B
6
E
5
Y0C
7
VEE
8
VSS
9
SC
10
SB
11
SA
12
Y0A
13
Y1A
14
ZA
15
ZB
16
VDD
HEF4053B
IC1400
3
Y1C
2
Y0B
4
ZC
1
Y1B
6
E
5
Y0C
7
VEE
8
VSS
9
SC
10
SB
11
SA
12
Y0A
13
Y1A
14
ZA
15
ZB
16
VDD
10K
R1412
10K
OPT
R1411
+5V_ST_PTC
IR_IN_MODEM
014:V10;016:AN14;011:O16
bLAN_IR_IN_MODEM
016:AN12;011:O16;011:X22
10K
R1432
+5V_ST_PTC
10K OPT
R1424
IR_IN_MODEM
014:V10;016:AN14;011:X6
0
R1439
0 R1440
MPI_DIN
0 1 1 : S 6
MPI_DOUT
011:X6
SPI_DIN
011:Y13
SPI_CLOCK 011:Y13
SPI_DOUT
0 1 1 : S 1 2
0 R1442
0 R1443
0 R1441
JP1483
* * * L i n e s i s s a m e l e n g t h a s P o s s i b l e a s
5VST_JIG
b_LAN MPI JACK
BLAN CHECK
5VST_JIG
BLAN CHECK
5VST_JIG
BLAN CHECK
B-LAN POWER
B-LAN ON/OFF Control
JIG WAFER
POWER LINE
b-LAN
M P I _ 5 V o r 1 2 V ( P I N 3 ) S e l e c t C o n t r o l f r o m b - L A N
MPI_5V or 12V
b _ L A N M P I p i n 3 p o w e r c o n t r o l
5VST_JIG
BLAN CHECK
BLAN CHECK
5VST_JIG
12V_JIG
BLAN CHECK
21
LD320H-UA_LA06A
2 0 1 0 . 0 9 . 0 4
1 1 ( 1 0 )
b-LAN