Read LG 32LG350H (CHASSIS:LD85F) 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.
100uF
16V
C1140
1N4148W
OPT
D1100
0 . 0 1 u F
50V
C1185
+3.3V_AVDD_ADC
0 . 0 1 u F
50V
C1187
0 . 1 u F
50V
50V
C1189
5600pF
50V
C1111
+3.3V_AVDD
+3.3V_VDDP_ST
0 . 1 u F
50V
50V
C1192
0 . 1 u F
50V
50V
C1132
1K
R1108
+3.3V_AVDD_MEMPLL
0 . 0 1 u F
50V
C1184
0 . 1 u F
50V
50V
C1143
0 . 1 u F
50V
50V
C1174
22uH
L1105
100K
R1107
OPT
100uF
16V
C1193
0 . 1 u F
50V
50V
C1194
PANEL_POWER
+3.3V_AVDD_LPLL
+3.3V_VDDP_ST
+5V
+2.5V_DDR
9.1K
R1113
SI4925BDY
Q1104
3
S2
2
G1
4
G2
1
S1
5
D2_1
6
D2_2
7
D1_1
8
D1_2
P_12V
+3.3V_AVDD_SIF
0 . 4 7 u F
25V
25V
C1100
0 . 0 1 u F
50V
50V
C1183
0 . 1 u F
50V
50V
C1175
+3.3V_AVDD_AU
0 . 0 1 u F
50V
50V
C1166
0 . 1 u F
50V
50V
C1171
+3.3V_AVDD_MPLL
PANEL_CTL
3225
22uF
16V
16V
C1108
470uF
16V
C1112
0 . 0 1 u F
50V
50V
C1169
0 . 1 u F
50V
C1114
0 . 1 u F
50V
50V
C1191
+3.3V_AVDD_DVI
+5V_ST
+5V_ST
POWER_ON/OFF1
0 . 0 1 u F
50V
50V
C1103
10K
R1123
OPT
10K
R1122
0 . 1 u F
50V
50V
C1170
0 . 0 1 u F
50V
C1131
0 . 1 u F
50V
50V
C1190
+3.3V_VDDP
0 . 1 u F
50V
50V
C1188
MP2305DS
IC1100
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
0 . 0 1 u F
50V
C1165
+5V_TU
+5V_ST
100uF
16V
16V
C1141
POWER_ON/OFF1
0 . 0 1 u F
50V
C1186
0 . 1 u F
50V
50V
C1156
+5V_GENERAL
+5V
0 . 1 u F
50V
50V
C1177
0 . 1 u F
50V
50V
C1161
100uF
16V
C1176
100uF
16V
C1158
+3.3V_AVDD
0 . 0 1 u F
50V
50V
C1168
0 . 1 u F
50V
50V
C1173
+3.3V_AVDD_OTG
0 . 1 u F
50V
50V
C1129
+3.3V_TU
100uF
16V
C1126
100uF
16V
C1134
0 . 1 u F
50V
50V
C1139
+5V
R1140
OPT
+3.3V_CI
0 . 1 u F
50V
50V
C1146
0 . 1 u F
50V
50V
C1147
0 . 1 u F
50V
50V
C1144
+1.8V_TU
0 . 1 u F
50V
50V
C1153
3216
10uF
16V
16V
C1154
0 . 0 1 u F
50V
50V
C1148
0 . 1 u F
50V
50V
C1151
+1.25V_VDDC
0 . 0 1 u F
50V
50V
C1150
+1.25V_AVDD_DVI
0 . 1 u F
50V
50V
C1145
0 . 1 u F
50V
C1116
0 . 1 u F
50V
50V
C1118
10uF
16V
16V
C1178
100uF
16V
16V
C1135
0
R1139
22K
R1127
22K
R1129
10K
R1124
0
5%
R1128
0 . 1 u F
50V
50V
C1128
402
1%
R1130
0 . 1 u F
50V
50V
C1160
0 . 1 u F
50V
50V
C1162
100uF
16V
C1159
OPT
0 . 1 u F
50V
50V
C1155
+3.3V_VDDP_ST
+3.3V_VDDP_ST
1/4W
0
5%
R1134
1/4W
0
5%
R1133
AZ1117D-3.3TRE1
IC1103
1
ADJ/GND
2
OUTPUT
3
INPUT
AZ1117D-3.3TRE1
IC1106
1
ADJ/GND
2
OUTPUT
3
INPUT
AZ1117D-2.5TRE1
IC1107
1
ADJ/GND
2
OUTPUT
3
INPUT
AZ1117D-1.8TRE1
IC1104
1
ADJ/GND
2
OUTPUT
3
INPUT
10K
R1109
OPT
100
R1116
10K
R1119
+5V_GENERAL
10K
OPT
R1121
220uF
16V
C1117
P_24V
+5V_GENERAL
INV_CTL
1uF
25V
25V
C1107
+5V_ST
A_DIM
+5V_ST
10K
R1120
4.7K
LPL32"/LPL37"/LPL42"
R1106
0 . 1 u F
16V
OPT
C1102
0 . 1 u F
16V
OPT
OPT
C1101
0
PWM_DIM
R1112
100uF
16V
16V
C1119
5V_MNT
0 . 1 u F
16V
C1199
PWM_DIM
0
OPT
R1110
A_DIM_1
2SC3052
Q1101
E
B
C
2SC3052
Q1100
E
B
C
2SC3052
Q1103
E
B
C
2SC3052
Q1102
E
B
C
560
R1126
10K
R1125
4 . 7 u F
16V
C1137
0 . 1 u F
50V
C1110
P_12V
0
R1243
1/4W
0
R1262
0
R1142
OPT
0
OPT
R1265
0
OPT
R1263
PWM_DIM
5V_MNT
A_DIM_1
AZ1085S-ADJTR/E1
IC1102
1
ADJ/GND
2
OUTPUT
3
INPUT
100uF
16V
C1133
100uF
16V
C1152
OPT
P_12V
AZ1117D-1.8TRE1
IC1108
1
ADJ/GND
2
OUTPUT
3
INPUT
0 . 1 u F
50V
50V
C1123
+1.8V_AMP
100uF
16V
16V
C1149
0 . 1 u F
50V
50V
C1195
A_DIM_1
5.6K
OPT
R1103
10K
R1117
OPT
BG2012B080TF
L1104
4.7K
R1114
12.4K
1%
R1115
56K
1%
1%
R1105
10uF
16V
16V
C1157
+5V_ST
3225
22uF
16V
16V
C1180
22uH
L1111
0 . 4 7 u F
25V
25V
C1196
0 . 1 u F
50V
50V
C1181
0 . 0 1 u F
50V
50V
C1197
5600pF
50V
C1179
0 . 1 u F
50V
C1198
10K
OPT
R1154
1N4148W
OPT
D1102
MP2305DS
IC1101
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
12.4K
1%
R1157
100K
R1155
3.9K
R1156
33K
1%
R1158
220uF
16V
16V
C1182
RSR025P03
Q1105
S
D
G
10K
R1159
OPT
0 . 1 u F
50V
50V
C1172
DDR_PWR_CTRL
1/4W
0
5%
OPT
R1141
4 . 7 u F
16V
C1136
CB3216PA501E
L1128
CB3216PA501E
L1113
CB3216PA501E
L1107
CB3216PA501E
L1114
CB3216PA501E
L1109
CB3216PA501E
L1112
CB3216PA501E
L1119
CB3216PA501E
L1130
CB3216PA501E
L1122
CB3216PA501E
L1123
CB3216PA501E
L1126
CB3216PA501E
L1129
CB3216PA501E
L1116
CB3216PA501E
L1120
CB3216PA501E
L1125
330uF
35V
C1105
1uF
35V
C1109
2SC3875S
Q1106
10K
R1152
10K
R1151
D1101
A1
C
A2
POWER_ON/OFF1
+5V_ST
1K
R1150
0
OPT
R1162
CB3216UA121
L1102
CB3216UA121
L1101
CB3216UA121
L1131
0
R1163
OPT
0
R1164
22
OPC_OUT
R1264
OPC_OUT
FW20020-24S
P1101
19
14
9
4
18
13
8
3
17
12
7
2
16
11
6
1
20
15
10
5
21
22
23
24
1uF
16V
C1130
33K
R1131
3.3K
R1132
EXT12V_CTRL
RT1P141C-T112
Q1107
1
2
3
33K
OPT
R1111
D1103
A1
C
A2
EXT5V_CTRL
3.3K
R1118
Power
Stand-by +3.3V_+1.25V_MST_Core
TUNER_CI +3.3V_+1.8V
+12V
+2.5V_DDR
+3.3V_MST
1 1 1 3
R1
R2
V 0 = 1 . 2 5 ( 1 + R 2 / R 1 )
FROM LIPS & POWER B/D
ERROR_OUT
DC-DC CONVERTER
DC-DC CONVERTER
** Consider BOOTSTRAP PWM **
xxLG350H-TA
2 0 0 9 . 1 . 2 3
OWER
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