LG 32LH250H Service Manual page 38
Chassis : la96c
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Also See for 32LH250H:
- Setup manual (46 pages) ,
- Owner's manual (40 pages) ,
- Specifications (4 pages)
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B-LAN
BLAN
TU1002
TMMB-H001P(W/O Tuner)
RF_OUT[NC]
1
GND_1
R2529
2
+3.3V
3
TSCL
4
TSDA
5
GND_2
6
IF_AGC
7
DIF-P
8
DIF-N
9
+5V
10
GND_3
11
J P 2 - P 1
12
J P 2 - P 4
13
J 1 - P 2
14
J 1 - P 3
15
J 1 - P 4
16
J 1 - P 5
17
PTS
18
J P 1 - P 3
19
J P 1 - P 4
20
J P 1 - P 5
21
J P 1 - P 6
22
J P 1 - P 7
23
J P 1 - P 1 0
24
J 2 - P 1
25
J 2 - P 2
26
J 2 - P 3
27
J 2 - P 4
28
J 2 - P 6
29
30
SHIELD
GND
b_LAN MPI JACK
BLAN
JK1401
MJ-623PT-6-S-SD
1
2
3
4
5
6
7
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.
UNER
BLAN
P1400
YFDW254-06S
0
1
2
R2530
0
3
4
L502
MLB-201209-0120P-N2
5
6
BLAN
C1411
C1412
100uF
0 . 2 2 u F
16V
50V
R2519
0
b_com_PWCTRL
009:BA31
R1409
0
b_MPI_DIN 0 1 4 : S 7 ; 0 1 4 : Y 2 6
R1402
0
b_MPI_DOUT 0 1 4 : S 7 ; 0 1 4 : Y 2 6
R1403
0
b_SPI_DATA_OUT
0 1 4 : S 1 4 ; 0 1 4 : Y 2 5
R1404
0
GND
0 1 4 : S 1 3 ; 0 1 4 : Y 2 5
b_SPI_DATA_IN
0
R1405
b_SPI_CLOCK 014:Y24;014:Y13
* * * 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
R1400
0
b_IR_IN_MODEM 009:M6;014:Y23
BEXT_5V
R1410
0
BEXT_MPI_OUT
014:K9
R1407
0
BEXT_MPI_DIN
014:K9
L1401
MLB-201209-0120P-N2
R1406
0
BEXT_Game_Control_Latch
014:K8
R1401
0
BEXT_IR_MODEM
014:K7
POWER LINE
BEXT_5V
BEXT_MPI_OUT
014:L17
BEXT_MPI_DIN
014:L17
BEXT_Game_Control_Latch 014:L16
BEXT_IR_MODEM
014:L15
JIG WAFER
BLAN
P1405
12505WS-15A00
NC
1
GND
2
R2568
MPI IN
0
3
R2569
MPI OUT
0
4
R2570
PM4
0
5
BLAN
R2571
C1413
PM2
0
6
100uF
16V
R2572
PM1
0
7
GND
8
BLAN
JK1400
PEJ024-01
NC
9
E_SPRING
3
R1418
R2573
PTO
0
T_TERMINAL1
0
6A
10
R1414
0
B_TERMINAL1
7A
NC
R1413
11
0
R_SPRING
4
R1415
0
T_SPRING
5V ON
5
12
R1416
0
B_TERMINAL2
7B
R1417
12V ON
0
T_TERMINAL2
13
6B
SHIELD_PLATE
8
5VST
14
NC
15
GND
16
GND
GND
BLAN
IC1401
MC14053BDR2G
R1434
0
Y1
VDD
1
16
014:K20;014:Y25
b_SPI_DATA_OUT
R1435
0
Y0
Y
R1454
2
15
009:K10
DUM_SPI_DATA_OUT
R1453
R1436
0
Z1
X
3
14
014:K20;014:Y25
b_SPI_DATA_IN
R1437
0
Z
X1
R1452
4
13
0 0 9 : I 1 2 ; 0 0 9 : N 2 6
SPI_DATA_IN
R1438
0
Z0
X0
R1451
009:K10
DUM_SPI_DATA_IN
5
12
INH
A
R1448
6
11
VEE
B
R1449
7
10
VSS
C
R1450
8
9
***MPI_OUT bypass
BLAN
IC1400
MC14053BDR2G
R1419
0
Y1
VDD
1
16
014:K21;014:Y26
b_MPI_DOUT
R1431
009:K11
R1420
0
Y0
Y
0
2
15
DUM_MPI_DOUT
R1421
0
Z1
X
R1430 OPT
0
3
14
014:K21;014:Y26
b_MPI_DIN
R1422
0
Z
X1
R1429 OPT
0
0 0 9 : I 1 4 ; 0 0 9 : A J 2 8
BUFFERED_MPI_DIN
4
13
R1423
0
Z0
X0
R1428 OPT
0
5
12
DUM_BUFFERED_MPI_DIN
009:K11
INH
A
R1425
0
6
11
VEE
B
R1426
0
7
10
VSS
C
R1427
0
8
9
R2538
10K
OPT
B-LAN POWER
bLAN_CHECK_5V
014:Y21
b_MPI_DIN
bLAN_CHECK_5VON
0 1 4 : K 2 1 ; 0 1 4 : S 7
014:Y22
b_MPI_DOUT
0 1 4 : K 2 1 ; 0 1 4 : S 7
b_SPI_DATA_OUT
0 1 4 : K 2 0 ; 0 1 4 : S 1 4
bLAN_POWER_MANAGE
009:AA35;014:AD21
b_SPI_DATA_IN
0 1 4 : K 2 0 ; 0 1 4 : S 1 3
b_SPI_CLOCK
014:K20;014:Y13
b_IR_IN_MODEM
009:M6;014:N19
5VST_JIG
BLAN CHECK
bLAN_CHECK_5VON
014:AF26
bLAN_CHECK_12VON
014:Y21
bLAN_CHECK_12VON
014:AD21
R1904
47K
bLAN_CHECK_5V
bLAN_POWER_MANAGE
014:AF27
009:AA35;014:AF25
B-LAN ON/OFF Control
+5V_ST_PTC
L1403
C1415
MLB-201209-0120P-N2
0 . 1 u F
0
SPI_DATA_OUT
0 0 9 : I 1 3 ; 0 0 9 : A J 2 7
bLAN_CTRL_0
0
0 0 9 : I 1 2 ; 0 0 9 : N 2 5
014:Y12
SPI_CLOCK
0
b_SPI_CLOCK
014:K20;014:Y24
0
DUM_SPI_CLOCK 009:K9
0
0
bLAN_CTRL_0
0
bLAN_CTRL_1
014:Y5
+5V_ST_PTC
L1402
MLB-201209-0120P-N2
C1414
0 . 1 u F
MPI_DOUT
0 0 9 : I 1 3 ; 0 0 9 : A O 2 7
bLAN_CTRL_1
5VST_JIG
BLAN CHECK
5VST
5VST
L1404
MLB-201209-0120P-N2
BLAN
Q507
AO4813
5VST_JIG
BLAN CHECK
S2
1
8
D2_2
C801
C802
2 . 2 u F
100uF
G2
2
7
D2_1
25V
16V
BLAN
S1
3
6
D1_2
G1
4
5
D1_1
Q506
C
R2567
0
B
R628
47K
E
C1906
22uF
25V
C1903
C1904
2 . 2 u F
47uF
25V
25V
BLAN
Q908
C
B
R1906
0
E
+5V_ST_PTC
R1462
0
C
Q1402
B
R1464
4.7K
R1467
0
bLAN_CTRL_PTC_0
2SC3875S(ALY)
009:AA35
E
+5V_ST_PTC
R2531
0
C
Q1404
B
R2533
4.7K
R2536
0
bLAN_CTRL_PTC_1
009:AA36
2SC3875S(ALY)
E
0 9 . 0 5 . 1 9
37LH250H
B-LAN
1 4
1 4
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