LG 42LG350H (CHASSIS:LD85F) 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.
0 . 1 u F
50V
50V
C1219
+12V_RJP
0 . 1 u F
50V
50V
C1218
0 . 1 u F
50V
50V
C1216
10K
R1230
RJP_DET
RSR025P03
Q1209
S
D
G
P_12V
10K
R1240
CB3216PA501E
L1202
1K
R1219
SI4925BDY
Q1205
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
1K
R1216
100pF
50V
50V
C1202
10K
R1207
10K
R1222
0 . 1 u F
50V
50V
C1214
10K
R1209
P_12V
2SC3875S(ALY)
Q1206
E
B
C
EXT_12V
2SC3875S(ALY)
Q1201
E
B
C
+5V_ST
EXT12V_DET
5.1V
ZD1202
4.7K
R1211
+5V_ST
4 . 7 u F
16V
16V
C1203
+5V_ST
4.7K
R1228
OPT
EXT12V_CTRL
2SC3875S(ALY)
Q1203
E
B
C
100K
R1201
5.1V
ZD1200
OPT
4.7K
R1235
1uF
16V
16V
C1208
0 . 1 u F
50V
50V
C1206
0 . 4 7 u F
25V
C1201
22uF
16V
16V
C1210
2700pF
50V
C1209
1N4148W
100V
D1200
10K
R1217
0 . 0 1 u F
50V
50V
C1205
22uH
L1200
+5V_ST
+12V
EXT_5V
MP2305DS
IC1200
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
100K
R1266
1K
R1213
OPT
EXT5V_CTRL
56K
R1214
12.4K
R1212
CB3216PA501E
L1201
2SC3052
Q1211
E
B
C
D1202
A1
C
A2
P_12V
0 . 1 u F
50V
50V
C1217
10K
R1234
EXT5V_CTRL
+12V
0 . 1 u F
50V
50V
C1222
0 . 1 u F
50V
50V
C1220
CB3216UA121
L1203
22uF
16V
16V
C1211
33K
R1237
22K
R1233
OPT
3.3K
R1267
4 . 7 u F
16V
16V
C1223
10K
R1268
+5V_ST
2SC3875S(ALY)
Q1204
E
B
C
10K
R1269
0
R1225
+12V RJP
EXT-Power
1 2 1 3
5V/12V EXT PowerOut
xxLG350H-TA
2 0 0 9 . 1 . 2 3
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.
0 . 1 u F
C1309
+5V_ST
2SC3875S(ALY)
Q1306
E
B
C
MJ-657PT-8-SD
JK1300
1
2
3
4
5
6
7
8
9
RJP_CTRL_3
10K
R1304
22
R1307
+5V_GENERAL
+5V_ST
+5V_ST
RJP_CTRL_2
10K
R1301
33K
R1309
5.1V
ZD1301
+5V_ST
0 . 1 u F
C1303
1K
R1300
RJP_DET
47K
R1330
74AC08SJ
IC1304
3
O0
2
B0
4
A1
1
A0
6
O1
5
B1
7
GND
8
O3
9
B3
10
A3
11
O2
12
B2
13
A2
14
VCC
RJP_CTRL_0
+5V_ST
74LX1G14CTR
IC1300
3
GND
2
1A
4
1Y
1
NC
5
VCC
CLOCK/AMP_SDA
22
R1326
M41T81
IC1301
3
VBAT
2
XO
4
VSS
1
XI
5
SDA
6
SCL
7
IRQ/FT/OUT/SQW
8
VCC
+5V_ST
+5V_ST
12505WR-05A00
P1300
1
2
3
4
5
6
100pF
OPT
C1310
0 . 1 u F
16V
16V
C1302
2SC3875S(ALY)
Q1305
E
B
C
100pF
50V
C1306
KID65003AF
IC1305
3
I 3
2
I 2
4
I 4
1
I 1
6
I 6
5
I 5
7
I 7
8
GND
9
COMMON
10
O7
11
O6
12
O5
13
O4
14
O3
15
O2
16
O1
22
R1308
CLOCK/AMP_SCL
P I C 1 6 F 8 1 9 - I / S O
IC1303
3
RA4/AN4/T0CKI
2
RA3/AN3/VREF+
4
RA5/MCLR/VPP
1
RA2/AN2/VREF-
6
RB0/INT
5
VSS
7
RB1/SDI/SDA
8
RB2/SDO/CCP1
9
RB3/CCP1/PGM
10
RB4/SCK/SCL
11
RB5/SS
12
RB6/T1OSO/T1CKI/PGC
13
RB7/T1OSI/PGD
14
VDD
15
RA6/OSC2/CLKO
16
RA7/OSC1/CLKI
17
RA0/AN0
18
RA1/AN1
PKLCS1212E4001-R1
BU1300
1
2
100
R1310
IROUT_HDMI1
IROUT_HDMI2
10K
R1328
5.1V
ZD1300
BUZZ_PWM
100
R1317
47K
R1312
10K
R1303
5.1V
ZD1302
10K
R1327
CLOCK/AMP_SDA
10K
R1302
RJP_CTRL_1
4.7K
R1318
4.7K
R1311
+5V_ST
5.1V
ZD1303
IR_MST
IROUT_RS232
KIA7042AF
IC1302
2
G
3
O
1
I
+12V_RJP
CLOCK/AMP_SCL
47uF
16V
16V
C1307
10K
R1329
0
R1332
4.7K
R1334
4.7K
R1335
0 . 0 1 u F
50V
50V
C1305
10uF
16V
16V
C1304
12505WS-12A00
P1301
1
2
3
4
5
6
7
8
9
10
11
12
13
10
R1320
10
R1319
10
R1325
10
R1321
10
R1322
10
R1324
10
R1323
2SA1504S
Q1304
E
B
C
2SA1504S
Q1303
E
B
C
2SA1504S
Q1302
E
B
C
2SA1504S
Q1300
E
B
C
2SA1504S
Q1301
E
B
C
220
R1338
BATTERY
BA1300
1
2
2pF
50V
C1300
2pF
50V
C1301
EAW39040101
32.768KHz
X1301
CB3216PA501E
L1300
4.7K
R1331
OPT
22
R1306
OPT
LED CLOCK
RJP
BUZZER
REAL TIME CLOCK
1 3 1 3
Commercial
⁄
⁄
* * P o l a r i t y N o t a t i o n i n P C B
xxLG350H-TA
2 0 0 9 . 1 . 2 3