LG 32LH255H (CHASSIS:LA96C) Service Manual ▷ View 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.
USB_DP
008:AR34
USB_DM
008:AR34
CB3216PA501E
L1300
180
R2513
MIC2009YM6-TR
IC1304
3
ENABLE
2
GND
4
FAULT/
1
VIN
6
VOUT
5
ILIMIT
4.7K
R2515
10uF
10V
C2248
+5V_EXT
10K
R2518
0 . 1 u F
C2249
+3.3V
USB_CTL
USB_OCD
47
R2514
5.6V
D1305
ADMC5M03200L
5.6V
D1304
ADMC5M03200L
USB DOWN STREAM
KJA-UB-4-0004
P1207
1
2
3
4
5
47uF
10V
10V
C2252
47uF
10V
10V
C2251
SIGN799
13
14
USB JACK
U S B + 5 V O v e r C u r r e n t P r o t e c t i o n - - > U S B J a c k
USB JACK (DOWN LOAD ONLYU)
37LH250H
0 9 . 0 5 . 1 9
TUNER
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.
GND
+5V_BLAN
100uF
16V
16V
C802
BLAN
2SC3875S(ALY)
Q506
E
B
C
2 . 2 u F
25V
C801
2.2K
R631
22K
R630
+5V_BLAN
5VST
5VST
0
R1093
OPT
100uF
16V
16V
C1411
BLAN
P E J 0 2 4 - 0 1
JK1400
BLAN
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
0
R1415
0
R1413
0
R1416
0
R1414
0
R1418
0
R1417
GND
MC14053BDR2G
IC1401
BLAN
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
b_MPI_DIN
0 1 4 : S 7 ; 0 1 4 : Y 2 6
0
R1409
0
R1402
b_MPI_DOUT
0 1 4 : S 7 ; 0 1 4 : Y 2 6
0
R1403
0
R1404
b_SPI_DATA_OUT
0 1 4 : S 1 4 ; 0 1 4 : Y 2 5
b_SPI_DATA_IN
0 1 4 : S 1 3 ; 0 1 4 : Y 2 5
0
R1405
b_SPI_CLOCK
0 1 4 : Y 2 4 ; 0 1 4 : Y 1 3
0
R1400
b_IR_IN_MODEM
009:M6;014:Y23
0
R1410
BEXT_MPI_OUT
014:K9
0
R1407
0
R1406
0
R1401
BEXT_IR_MODEM
014:K7
BEXT_MPI_DIN
014:K9
0
R1434
0
R1435
0
R1436
0
R1437
0
R1438
0
R1450
0
R1449
0
R1448
0
R1451
0
R1452
0
R1453
0
R1454
0 . 1 u F
C1415
+5V_ST_PTC
+5V_ST_PTC
0
R1420
0
R1419
0
R1427
0
R1429 OPT
0
R1421
0
R1422
0
R1431
MC14053BDR2G
IC1400
BLAN
3
Z1
2
Y0
4
Z
1
Y1
6
INH
5
Z0
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
0
R1430 OPT
0
R1423
0 . 1 u F
C1414
0
R1426
0
R1428 OPT
0
R1425
2SC3875S(ALY)
Q1402
E
B
C
10K
R1463
+5V_ST_PTC
SPI_CLOCK
0 0 9 : I 1 2 ; 0 0 9 : N 2 5
SPI_DATA_OUT
0 0 9 : I 1 3 ; 0 0 9 : A J 2 7
SPI_DATA_IN
0 0 9 : I 1 2 ; 0 0 9 : N 2 6
DUM_SPI_CLOCK 009:K9
b_SPI_CLOCK
0 1 4 : K 2 0 ; 0 1 4 : Y 2 4
b_SPI_DATA_OUT
0 1 4 : K 2 0 ; 0 1 4 : Y 2 5
DUM_SPI_DATA_OUT
009:K10
b_SPI_DATA_IN
0 1 4 : K 2 0 ; 0 1 4 : Y 2 5
DUM_SPI_DATA_IN
009:K10
MPI_DOUT
0 0 9 : I 1 3 ; 0 0 9 : A O 2 7
b_MPI_DOUT
0 1 4 : K 2 1 ; 0 1 4 : Y 2 6
BUFFERED_MPI_DIN
0 0 9 : I 1 4 ; 0 0 9 : A J 2 8
b_MPI_DIN
0 1 4 : K 2 1 ; 0 1 4 : Y 2 6
DUM_BUFFERED_MPI_DIN
009:K11
bLAN_CTRL_1
bLAN_CTRL_0
bLAN_CTRL_0
014:Y12
0
R1462
10K
R1466
0
OPT
R1465
bLAN_CTRL_PTC_0
009:AA35
bLAN_POWER_MANAGE
009:AA35;014:AD21
BEXT_Game_Control_Latch
014:K8
b_com_PWCTRL
009:BA31
0
R2519
BEXT_5V
DUM_MPI_DOUT
009:K11
BEXT_IR_MODEM
0 1 4 : L 1 5
BEXT_MPI_OUT
0 1 4 : L 1 7
BEXT_5V
BEXT_MPI_DIN
0 1 4 : L 1 7
BEXT_Game_Control_Latch
0 1 4 : L 1 6
MJ-623PT-6-S-SD
JK1401
BLAN
1
2
3
4
5
6
7
22K
R629
OPT
0
R1467
4.7K
R1464
MLB-201209-0120P-N2
L502
MLB-201209-0120P-N2
L1401
0
R2529
0
R2530
4.7K
R2533
10K
R2535
0
OPT
R2534
0
R2536
0
R2531
bLAN_CTRL_PTC_1
009:AA36
10K
R2532
bLAN_CTRL_1
014:Y5
+5V_ST_PTC
2SC3875S(ALY)
Q1404
E
B
C
100uF
16V
16V
C1413
BLAN
MLB-201209-0120P-N2
L1403
MLB-201209-0120P-N2
L1402
+12V_C
2SC3875S(ALY)
Q908
E
B
C
47K
R1910
+12V_C
47K
R1905
OPT
2 . 2 u F
25V
C1903
0
R1906
47K
R1909
22K
R2537
OPT
bLAN_POWER_MANAGE
009:AA35;014:AF25
+12V_C_MPI
47K
R1904
47K
R628
22uF
25V
C1906
47uF
25V
25V
C1904
BLAN
10K
R2538
OPT
0
R2539
OPT
0
R2562
OPT
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
10K
R2566
10K
R2565
5.6V
D1400
OPT
5.6V
D1401
OPT
5.6V
D1402
OPT
5.6V
D1403
OPT
5.6V
D1404
OPT
5.6V
D1405
OPT
5.6V
D1406
OPT
5.6V
D1407
OPT
GND
30V
D1408
OPT
0
R2567
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
GND
bLAN_CHECK_5V
014:Y21
bLAN_CHECK_5VON
014:Y22
bLAN_CHECK_12VON
014:Y21
bLAN_CHECK_12VON
014:AD21
bLAN_CHECK_5VON
014:AF26
bLAN_CHECK_5V
014:AF27
b_SPI_CLOCK
0 1 4 : K 2 0 ; 0 1 4 : Y 1 3
b_SPI_DATA_OUT
0 1 4 : K 2 0 ; 0 1 4 : S 1 4
b_MPI_DOUT
0 1 4 : K 2 1 ; 0 1 4 : S 7
b_MPI_DIN
0 1 4 : K 2 1 ; 0 1 4 : S 7
b_SPI_DATA_IN
0 1 4 : K 2 0 ; 0 1 4 : S 1 3
b_IR_IN_MODEM
009:M6;014:N19
MLB-201209-0120P-N2
L1404
0 . 2 2 u F
50V
50V
C1412
0
R2568
0
R2569
0
R2570
0
R2571
0
R2572
0
R2573
YFDW254-06S
P1400
BLAN
4
3
2
6
1
5
AO4813
Q507
BLAN
3
S1
2
G2
4
G1
1
S2
5
D1_1
6
D1_2
7
D2_1
8
D2_2
B-LAN
1 4 1 4
B-LAN
37LH250H
***MPI_OUT bypass
B-LAN ON/OFF Control
B-LAN POWER
* * * 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
b_LAN MPI JACK
POWER LINE
5VST_JIG
5VST_JIG
5VST_JIG
0 9 . 0 5 . 1 9
BLAN CHECK
BLAN CHECK
BLAN CHECK
JIG WAFER
TUNER