Read LG 42SL8000-ZB / 42SL8500-ZA (CHASSIS:LD91K) 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.
SCART
GND
C1103
330pF
50V
330pF
50V
SCART1_DET
C1124
330pF
50V
SC2_ID
SC1_G
SC1_CVBS_IN
SC1_R_IN
002:S14
C1123
330pF
50V
330pF
50V
SC1_ID
002:E16
REC_8
SC1_B
SC1_L_IN
C1108
220pF
50V
OPT
220pF
50V
OPT
SC2_L_IN
SC2_R_IN
SC1_FB
C1107
100uF
16V
SC2_CVBS_IN
C1125
220pF
50V
220pF
50V
OPT
C1102
330pF
50V
SC1_R
SCART2_DET
C1122
100uF
16V
+3.3V
+3.3V
SC_RE1
001:AJ19
REC_8
009:AL8
Q1116
2SC3052
2SC3052
E
B
C
SC_RE2
001:AJ19
+12V
Q1117
2SC3052
2SC3052
E
B
C
Q1118
2SC3052
2SC3052
E
B
C
Q1111
2SC3052
E
B
C
+12V
DTV/MNT_VOUT
R1188
51K
OPT
R1123
11K
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
30V
OPT
D1100
5.6V
OPT
D1105
5.6V
OPT
D1107
5.6V
OPT
D1108
5.6V
OPT
D1113
5.6V
OPT
D1114
5.6V
OPT
D1116
5.6V
OPT
D1117
5.6V
OPT
R1118
62K
62K
L1100
120-ohm
L1101
120-ohm
L1105
120-ohm
L1106
120-ohm
L1109
BLM18PG121SN1D
Q1109
ISA1530AC1
E
B
C
C1141
0.1uF
0.1uF
50V
C1139
0.1uF
0.1uF
50V
Q1120
2SC3052
E
B
C
L1104
BLM18PG121SN1D
+12V
C1144
0.1uF
0.1uF
50V
FE_VSCART_OUT
C1145
0.1uF
0.1uF
50V
Q1119
ISA1530AC1
E
B
C
SCART1_Rout
DTV/MNT_L_OUT
SCART2_Lout
DTV/MNT_R_OUT
+12V
IC1103
LM324D
LM324D
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
2SC3052
Q1129
Q1131
RT1P141C-T112
1
2
3
2SC3052
Q1128
2SC3052
Q1127
Q1130
RT1P141C-T112
1
2
3
2SC3052
Q1126
TV_L_OUT 009:N22;009:N17
TV_R_OUT
009:N24;009:N20
DTV/MNT_R_OUT
DTV/MNT_L_OUT
R1179
680
OPT
C1126
0.1uF
50V
0.1uF
50V
R1185
0
R1187
0
R1182
0
0
R1117
R1105
0
0
0
R1133
R1134
0
0
C1105
0.1uF
16V
0.1uF
16V
C1113
0.1uF
16V
0.1uF
16V
C1132
0.1uF
C1131
0.1uF
R1147
10K
R1108
10K
10K
R1121
10K
10K
R1128
10K
10K
R1154
10K
R1153
10K
R1110
10K
10K
R1178
10K
R1148
10K
R1127
12K
R1111
12K
R1112
12K
R1129
12K
R1186
12K
R1167
15K
15K
R1175
15K
15K
R1184
15K
15K
R1181
1K
R1180
1K
R1126
1K
R1159
1K
R1196
2.2K
2.2K
R1191
2.2K
2.2K
R1190
2.2K
2.2K
R1197
2.2K
2.2K
R1114
22
R1150
2K
R1151
2K
R1149
2K
R1152
2K
R1176
2K
OPT
R1146
33K
33K
R1155
33K
33K
R1156
33K
33K
R1145
33K
33K
C1129
33pF
C1316 33pF
C1128
33pF
C1127
33pF
33pF
R1122
4.7K
R1124
4.7K
R1162
470
R1140
470
R1192
470K
OPT
R1195
470K
OPT
R1103
470K
R1115
470K
R1116
470K
R1100
470K
R1194
470K
OPT
R1193
470K
OPT
R1166
47K
47K
R1174
47K
47K
C1119
47pF
50V
47pF
50V
C1106
47pF
50V
47pF
50V
R1158
5.6K
5.6K
R1157
5.6K
R1144
5.6K
5.6K
R1143
5.6K
5.6K
R1177
560
OPT
R1139
75
75
R1109
75
75
R1106
75
1%
75
1%
R1104
75
1%
1%
R1102
75
1%
1%
R1101
75
1%
R1137
75
75
C1120
OPT
C1101
OPT
OPT
C1121
OPT
OPT
C1100
OPT
R1136
75
75
R1107
75
75
R1131
390
390
R1113
390
R1161
120
120
R1138
120
120
C1134
10uF
16V
C1133
10uF
16V
C1135
10uF
16V
C1136
10uF
16V
L1107
BLM18PG121SN1D
L1108
BLM18PG121SN1D
L1102
BLM18PG121SN1D
L1103
BLM18PG121SN1D
C1110
1000pF
50V
C1114
1000pF
50V
C1112
1000pF
50V
C1111
1000pF
50V
R1125
62K
62K
R1132
11K
+5V_ST
C1315
1000pF
50V
R1317
100
100
ZD1303
5.6V
AMOTECH
SDA_SUB/AMP
C1305
0.1uF
R1302
10K
OPT
ZD1304
5.6V
AMOTECH
Q1301
2SC3052
OPT
E
B
C
C1314
0.1uF
16V
L1314
BLM18PG121SN1D
OPT
R1300
22
OPT
L1303
BLM18PG121SN1D
Q1300
2SC3052
OPT
E
B
C
ZD1301
5.6V
CDS3C05HDMI1
C1310
0.1uF
16V
L1313
BLM18PG121SN1D
R1319
4.7K
OPT
IR_OUT
IR
+5V_ST
ZD1300
5.6V
CDS3C05HDMI1
SCL_SUB/AMP
R1301
10K
OPT
OPT
R1322
100
100
KEY1
L1301
BLM18PG121SN1D
R1320
4.7K
OPT
C1309
100pF
100pF
50V
R1303
10K
OPT
OPT
R1304
47K
OPT
C1307
0.1uF
+5V_ST
R1321
100
100
ZD1302
5.6V
AMOTECH
KEY2
R1305
100
100
R1318
100
100
+3.3V_ST
C1311
1000pF
50V
R1164
0
0
R1163
0
0
R1135
0
0
R1160
0
0
R1119
10K
SCART2_MUTE
D1120
ENKMC2838-T112
A1
C
A2
D1119
ENKMC2838-T112
A1
C
A2
SCART1_MUTE
+3.3V
SB_MUTE
+3.3V_ST
R1141
10K
10K
SB_MUTE
R1120
10K
WARM_LED_ON
ZD1305
CDS3C05HDMI1
OPT
R1323
4.7K
4.7K
C1317
0.1uF
16V
R1324
0
0
OPT
LED_CTL
001:AN22
R1328
10K
10K
OPT
+3.3V
C1318
OPT
OPT
OPT
C1115
4700pF
4700pF
C1116
4700pF
C1118
4700pF
C1117
4700pF
C1142
47uF
6.3V
C1109
47uF
6.3V
C1143
10uF
16V
C1104
10uF
16V
R1329
100
JK1100
PSC008-01
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
22
AV_DET
JK1101
PSC008-01
1
AUDIO_R_OUT
2
AUDIO_R_IN
3
AUDIO_L_OUT
4
AUDIO_GND
5
B_GND
6
AUDIO_L_IN
7
B_OUT
8
ID
9
G_GND
10
D2B_IN
11
G_OUT
12
D2B_OUT
13
R_GND
14
RGB_GND
15
R_OUT
16
RGB_IO
17
SYNC_GND1
18
SYNC_GND2
19
SYNC_OUT
20
SYNC_IN
21
COM_GND
22
AV_DET
P1304
12507WS-12L
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
+3.3V_ST
+3.3V
L1315
BLM18PG121SN1D
ZD1307
5.6V
AMOTECH
ZD1306
5.6V
AMOTECH
DTV/MNT_L_OUT
TV_L_OUT
DTV/MNT_R_OUT
TV_R_OUT
11 12
SCART
[SCART2 PIN 8]
EAX60890803
close to wafer
CONTROL
IR & LED
2009.06.10
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