Read LG 32LG3DCH (CHASSIS:LA76B) 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 F
O
R
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
GND
GND
MC14052BDTR2
IC1100
3
Y
2
Y2
4
Y3
1
Y0
6
INH
5
Y1
7
VEE
8
VSS
9
B
10
A
11
X3
12
X0
13
X
14
X1
15
X2
16
VDD
47uF
10V
C1107
+5V_ST
GND
0.1uF
16V
C1106
+5V_ST
CDS3C30GTH
30V
OPT
D1103
CDS3C30GTH
30V
OPT
D1104
100
R1115
0.47uF
50V
C1110
+5V_ST
0.47uF
50V
C1111
4.7K
R1109
OPT
0.47uF
50V
C1109
4.7K
R1110
OPT
0.47uF
50V
C1105
0.47uF
50V
C1108
100
R1100
100
R1102
100
R1101
100
R1104
100
R1105
100
R1106
1
0
0
R1112
1
0
0
R1114
100
R1111
R1116
OPT
100
R1120
OPT
100
R1123
OPT
GND
GND
100
R1119
0.1uF
16V
C1112
47uF
10V
C1113
100
R1118
100
R1121
+5V_ST
GND
MC14052BDTR2
IC1102
3
Y
2
Y2
4
Y3
1
Y0
6
INH
5
Y1
7
VEE
8
VSS
9
B
10
A
11
X3
12
X0
13
X
14
X1
15
X2
16
VDD
100
R1122
100
R2112
100
R2113
100
R2114
100
R2115
100
R2116
100
R2117
100
R2118
100
R2119
PTC_TX
009:AO24;011:J11
PTC_TX
009:AO24;011:J18
PTC_RX
009:AO23;011:B10
PTC_RX
009:AO23;011:C20
UART2_RX
009:AA27
UART2_TX
009:AA27
MASTER_TX
001:T27
MASTER_RX
001:T27
+5V_ST
10K
R1126
UART_SWA
009:AE34
UART_SWYB
009:AE33
100
R1127
100
R1129
MBW3216-501TF
L1105
MBW3216-501TF
L1104
MAX3232CDR
IC1101
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
JP1105
JP1104
JP1103
2K
R1113
2K
R1117
KCN-DS-0-0088 KSD
JK1100
1
2
3
4
5
6
7
8
9
10
UART
1
1
1
2
2008.3.14
32LG3DCH
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