Read LG 22LH200H (CHASSIS:LD91Y) 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
SC1_G
SC1_CVBS_IN
SC1_R_IN
SC1_ID
SC1_B
SC1_L_IN
220pF
50V
50V
C1108
OPT
SC1_FB
100uF
16V
C1107
330pF
50V
C1102
SC1_R
+3.3V
11K
R1123
30V
OPT
D1101
30V
OPT
OPT
D1102
30V
OPT
D1103
30V
OPT
D1104
30V
OPT
OPT
D1106
30V
OPT
D1109
30V
OPT
D1111
5.6V
OPT
OPT
D1100
5.6V
OPT
OPT
D1105
5.6V
OPT
D1107
5.6V
OPT
OPT
D1108
62K
R1118
120-ohm
L1100
120-ohm
L1101
2SC3052
Q1120
E
B
C
BLM18PG121SN1D
L1104
+12V/+15V
0 . 1 u F
50V
C1144
TV/DTV_VOUT
47uF
16V
C1142
0 . 1 u F
50V
C1145
ISA1530AC1
Q1119
E
B
C
SCART1_Rout
+12V/+15V
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/DTV_L_OUT
SCART1_Lout
TV/DTV_R_OUT
TV/DTV_L_OUT
2SC3052
Q1127
RT1P141C-T112
Q1130
1
2
3
2SC3052
Q1126
TV/DTV_R_OUT
TV/DTV_L_OUT
TV/DTV_R_OUT
0 . 1 u F
50V
50V
C1126
0
R1182
0
R1117
0
R1105
0 . 1 u F
16V
16V
C1113
0 . 1 u F
C1131
10K
R1147
10K
R1108
10K
R1110
10K
R1148
12K
R1111
12K
R1112
15K
R1175
1K
R1126
2.2K
R1191
2.2K
R1190
22
R1114
2K
R1151
2K
R1149
33K
R1146
33K
R1145
33pF
C1128
33pF
C1127
4.7K
R1124
470
R1140
470K
OPT
R1192
470K
R1103
470K
R1100
470K
OPT
R1193
47K
R1174
47pF
50V
50V
C1106
5.6K
R1144
5.6K
R1143
75
R1109
75
R1106
75
R1104
75
R1102
75
R1101
OPT
C1101
OPT
C1100
JK1100
1
R_OUT
2
R_IN
3
L_OUT
4
GND
5
GND
6
LIN
7
B
8
SC_ID
9
.
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
75
R1107
390
R1113
120
R1138
10uF
16V
C1134
10uF
16V
C1133
BLM18PG121SN1D
L1102
BLM18PG121SN1D
L1103
1000pF
50V
50V
C1110
1000pF
50V
50V
C1111
0
R1135
0
R1160
+3.3V
10K
R1120
SCART1_MUTE
10uF
35V
C1143
5.6V
OPT
D1110
4700pF
C1116
4700pF
C1115
M41T81
IC903
3
VBAT
2
XO
4
VSS
1
XI
5
SDA
6
SCL
7
IRQ/FT/OUT/SQW
8
VCC
BATTERY
BA900
1
2
22
R918
0 . 1 u F
16V
16V
C905
CLOCK_SCL
EAW39040101
32.768KHz
X900
4.7K
R919
1K
R909
+5V_ST
22
R917
2pF
50V
50V
C903
CLOCK_SDA
2pF
50V
50V
C904
RTC_INT
CB3216PA501E
L400
10K
R471
22uF
16V
16V
C442
56K
R475
4.7K
R479
EXT_12V
EXT5V_CTRL
470pF
50V
50V
C443
P_12V
22uF
16V
16V
C440
4.7K
R476
P_12V
1uF
16V
16V
C438
1K
R474
2SC3875S(ALY)
Q400
E
B
C
EXT_PWR_DET
10K
R480
EXT12V_CTRL
0 . 1 u F
50V
50V
C441
MP5000DQ
IC407
3
ENABLE/FAULT
2
DV/DT
4
I-LIMIT
1
GND
5
NC
6
SOURCE_1
7
SOURCE_2
8
SOURCE_3
9
SOURCE_4
10
SOURCE_5
11
VCC
+5V_ST
+5V_ST
0 . 4 7 u F
25V
C444
1K
R470
MP2305DS
IC406
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
0 . 0 1 u F
50V
50V
C439
22uF
16V
16V
C436
12.4K
R473
D429
A1
C
A2
100K
OPT
R478
2700pF
50V
C437
2SC3875S(ALY)
Q401
E
B
C
1K
R477
CB3216PA501E
L401
0 . 1 u F
50V
50V
C435
22UH
L402
EXT_5V
43
R472
9 1 2
SCART
S c a r t A u d i o M u t e
Audio Out Amp
REAL TIME CLOCK
SCART
5V/12V EXT PowerOut
EAX61527901
LP91Y xxLH200H-ZA
2 0 0 9 . 1 0 . 0 8
SCART
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