Read LG 47LH9000 (CHASSIS:LD91I) 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.
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.
330pF
50V
50V
C1103
SCART1_DET
330pF
50V
C1124
SC2_ID
SC1_G
SC1_CVBS_IN
SC1_R_IN
0 0 2 : S 1 4
330pF
50V
50V
C1123
SC1_ID
0 0 2 : E 1 6
REC_8
SC1_B
SC1_L_IN
220pF
50V
50V
C1108
OPT
SC2_L_IN
SC2_R_IN
SC1_FB
100uF
16V
C1107
SC2_CVBS_IN
220pF
50V
50V
C1125
OPT
330pF
50V
C1102
SC1_R
SCART2_DET
100uF
16V
C1122
+3.3V
+3.3V
SC_RE1
0 0 1 : A J 1 9
REC_8
009:AL8
2SC3052
Q1116
E
B
C
SC_RE2
0 0 1 : A J 1 9
+12V
2SC3052
Q1117
E
B
C
2SC3052
Q1118
E
B
C
2SC3052
Q1111
E
B
C
+12V
DTV/MNT_VOUT
51K
OPT
R1188
11K
R1123
30V
OPT
D1101
30V
OPT
D1102
30V
OPT
D1103
30V
OPT
D1104
30V
OPT
D1106
30V
OPT
D1109
30V
OPT
D1110
30V
OPT
D1111
30V
OPT
D1112
30V
OPT
D1115
30V
OPT
D1118
5.6V
OPT
OPT
D1100
5.6V
OPT
OPT
D1105
5.6V
OPT
D1107
5.6V
OPT
OPT
D1108
5.6V
OPT
OPT
D1113
5.6V
OPT
OPT
D1114
5.6V
OPT
OPT
D1116
5.6V
OPT
OPT
D1117
62K
R1118
120-ohm
L1100
120-ohm
L1101
120-ohm
L1105
120-ohm
L1106
BLM18PG121SN1D
L1109
ISA1530AC1
Q1109
E
B
C
0 . 1 u F
50V
C1141
0 . 1 u F
50V
C1139
2SC3052
Q1120
E
B
C
BLM18PG121SN1D
L1104
+12V
0 . 1 u F
50V
C1144
FE_VSCART_OUT
0 . 1 u F
50V
C1145
ISA1530AC1
Q1119
E
B
C
SCART1_Rout
DTV/MNT_L_OUT
SCART2_Lout
DTV/MNT_R_OUT
+12V
LM324D
IC1103
3
3
2
2
4
4
1
1
6
6
5
5
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
TV_L_OUT
SCART2_Rout
SCART1_Lout
TV_R_OUT
SCART1_Lout
2SC3052
Q1129
SCART2_Rout
RT1P141C-T112
Q1131
1
2
3
2SC3052
Q1128
SCART2_Lout
2SC3052
Q1127
RT1P141C-T112
Q1130
1
2
3
2SC3052
Q1126
SCART1_Rout
TV_L_OUT
009:N17
TV_R_OUT
009:N20
DTV/MNT_R_OUT
DTV/MNT_L_OUT
680
OPT
R1179
0 . 1 u F
50V
50V
C1126
0
R1185
0
R1187
0
R1182
0
R1117
0
R1105
0
R1133
0
R1134
0 . 1 u F
16V
16V
C1105
0 . 1 u F
16V
16V
C1113
0 . 1 u F
C1132
0 . 1 u F
C1131
10K
R1147
10K
R1108
10K
R1121
10K
R1128
10K
R1154
10K
R1153
10K
R1110
10K
R1178
10K
R1148
12K
R1127
12K
R1111
12K
R1112
12K
R1129
12K
R1186
15K
R1167
15K
R1175
15K
R1184
1K
R1181
1K
R1180
1K
R1126
1K
R1159
2.2K
R1196
2.2K
R1191
2.2K
R1190
2.2K
R1197
22
R1114
2K
R1150
2K
R1151
2K
R1149
2K
R1152
2K
OPT
R1176
33K
R1146
33K
R1155
33K
R1156
33K
R1145
33pF
C1129
33pF
C1316
33pF
C1128
33pF
C1127
4.7K
R1122
4.7K
R1124
470
R1162
470
R1140
470K
OPT
R1192
470K
OPT
R1195
470K
R1103
470K
R1115
470K
R1116
470K
R1100
470K
OPT
R1194
470K
OPT
R1193
47K
R1166
47K
R1174
47pF
50V
50V
C1119
47pF
50V
50V
C1106
5.6K
R1158
5.6K
R1157
5.6K
R1144
5.6K
R1143
560
OPT
R1177
75
R1139
75
R1109
75
R1106
75
R1104
75
R1102
75
R1101
75
R1137
OPT
C1120
OPT
C1101
OPT
C1121
OPT
C1100
75
R1136
75
R1107
390
R1131
390
R1113
120
R1161
120
R1138
10uF
16V
C1134
10uF
16V
C1133
10uF
16V
C1135
10uF
16V
C1136
BLM18PG121SN1D
L1107
BLM18PG121SN1D
L1108
BLM18PG121SN1D
L1102
BLM18PG121SN1D
L1103
1000pF
50V
C1110
1000pF
50V
50V
C1114
1000pF
50V
C1112
1000pF
50V
50V
C1111
62K
R1125
11K
R1132
+5V_ST
1000pF
50V
C1315
100
R1317
AMOTECH
5.6V
ZD1303
SDA_SUB/AMP
0 . 1 u F
C1305
10K
IR-OUT
R1302
AMOTECH
5.6V
ZD1304
2SC3052
IR-OUT
Q1301
E
B
C
0 . 1 u F
16V
C1314
BLM18PG121SN1D
L1314
22
IR-OUT
R1300
BLM18PG121SN1D
L1303
2SC3052
IR-OUT
Q1300
E
B
C
CDS3C05HDMI1
5.6V
5.6V
ZD1301
0 . 1 u F
16V
C1310
BLM18PG121SN1D
L1313
4.7K
R1319
IR_OUT
IR
+5V_ST
CDS3C05HDMI1
5.6V
5.6V
ZD1300
SCL_SUB/AMP
10K
IR-OUT
R1301
100
R1322
KEY1
BLM18PG121SN1D
L1301
4.7K
R1320
100pF
50V
C1309
10K
IR-OUT
R1303
47K
IR-OUT
R1304
0 . 1 u F
C1307
+3.3V
+5V_ST
100
R1321
AMOTECH
5.6V
ZD1302
KEY2
100
R1305
100
R1318
+3.3V_ST
1000pF
50V
C1311
0
R1164
0
R1163
0
R1135
0
R1160
10K
R1119
SCART2_MUTE
ENKMC2838-T112
D1120
A1
C
A2
ENKMC2838-T112
D1119
A1
C
A2
SCART1_MUTE
+3.3V
SB_MUTE
+3.3V_ST
10K
R1141
SB_MUTE
10K
R1120
WARM_LED_ON
0 . 1 u F
16V
C1302
LED_ON
001:W19
4700pF
C1115
4700pF
C1116
4700pF
C1118
4700pF
C1117
PSC003-05
JK1100
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
23
23
22
22
PSC003-05
JK1101
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
23
23
22
22
10uF
35V
C1143
10uF
35V
C1104
47uF
16V
C1109
47uF
16V
C1142
100
R1323
4.7K
R1325
10K
R1306
12507WS-12L
P1304
1
SCL
2
SDA
3
GND
4
KEY1
5
KEY2
6
5V_ST
7
GND
8
WARM_ST
9
IR
10
GND
11
3.3V
12
PWR_ON
13
JP1309
JP1311
GND
1 1 1 3
SCART
[SCART2 PIN 8]
EAX61052801
c l o s e t o w a f e r
CONTROL
IR & LED
2 0 0 9 . 0 2 . 2 3
Z e n e r D i o d e i s
_SCART
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