Read LG 42CQ610H (CHASSIS:LA1EZ) 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.
15K
R1179
100pF
50V
C1108
15K
R1107
470K
R1162
PC_R_IN
002:T11
10K
R1111
AMOTECH
5.6V
OPT
D1101
470K
R1161
10K
R1110
100pF
50V
C1107
AMOTECH
5.6V
OPT
D1102
PC_L_IN
002:T12
0
R1112
0
R1113
DSUB_R+
5.6V
OPT
D1114
DSUB_HSYNC
RGB_DDC_SDA
18pF
50V
C1128
5.6V
OPT
D1116
68pF
50V
OPT
C1126
1K
R1147
22
R1141
+3.3V_Normal
18pF
50V
C1127
68pF
50V
OPT
C1122
30V
D1109
DSUB_DET
+5V_Normal
30V
D1113
RGB_DDC_SCL
30V
D1111
75
R1135
75
R1137
ENKMC2838-T112
D1115
A1
C
A2
30V
D1110
DSUB_VSYNC
22
R1143
5.6V
D1117
OPT
10K
R1146
75
R1133
2.2K
R1139
2.2K
R1140
DSUB_G+
30V
D1112
DSUB_B+
0.1uF
16V
C1129
S
P
G
09
-D
B
-0
10
JK
1
1
0
4
1
R
ED
2
G
R
EE
N
3
B
LU
E
4
G
N
D
_1
5
D
D
C
_G
N
D
6
R
ED
_G
N
D
7
G
R
EE
N
_G
N
D
8
B
LU
E_
G
N
D
9
N
C
1
0
SY
N
C
_G
N
D
1
1
G
N
D
_2
1
2
D
D
C
_D
A
TA
1
3
H
_S
Y
N
C
1
4
V
_S
Y
N
C
1
5
D
D
C
_C
LO
C
K
1
6
SH
IL
E
D
PEJ027-04
JK1102
6B T_TERMINAL2
7B B_TERMINAL2
5 T_SPRING
4 R_SPRING
7A B_TERMINAL1
6A T_TERMINAL1
3
E_SPRING
EXT_SPK_L-
009:H20
EXT_SPK_L+
009:O20
1uF
10V
OPT
C1137
0
R1145
0
R1144
1uF
10V
OPT
C1138
PEJ027-04
JK1100
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
EXT_SPK_L+
009:Z24
9.1K
R1130
0
R1122
10uF
16V
C1134
PILLOW_MUTE
001:AL22;016:AF16;014:AA23
1uF
10V
C1136
2SC3875S(ALY)
Q1116
E
B
C
10
K
R
11
14
3K
R
11
15
2SC3052
Q1118
E
B
C
100
R1128
15pF
50V
C1130
TPA6011A4PWPRG4
IC1100
3
PVDD_1
2
ROUT-
4
RHPIN
1
PGND_1
6
RIN
5
RLINEIN
7
VDD
8
LIN
9
LLINEIN
10
LHPIN
11
PVDD_2
12
LOUT-
13
PGND_2
14
LOUT+
15
SHUTDOWN
16
FADE
17
BYPASS
18
AGND
19
SEMAX
20
SEDIFF
21
VOLUME
22
HP/LINE
23
SE/BTL
24
ROUT+
EXT_SPK_L-
009:Z24
0
OPT
R1120
1K
R
11
16
1
0
u
F
6
.3
V
C
11
31
0
OPT
R1121
SUB_MUTE
001:AB13;009:R25
1K
R
11
24
SUB_MUTE
001:AB13;009:U20
1K
R
11
19
CB3216PA501E
L1100
+5V_Normal
3
9
0
R
11
17
+5V_Normal
ISA1530AC1
Q1117
E
B
C
1
u
F
10
V
C
11
33
4.7K
R1132
OPT
100
OPT
R1126
1.6K
R1118
4.7K
R1131
R1131
4.7K
R1150
0.1uF
C1135
0.1uF
OPT
C1132
EXT_SPK
002:V10
1
0
0
R
11
23
10
K
O
PT
R
11
29
3.3K
R1125
PC AUDIO
RGB PC (250 APPLY)
9
E x t e r n a l s p e a k e r
RGB PC
EXTERNAL SPEAKER OUT
42LD6DDH-UA
2 0 1 1 . 1 2 . 0 1
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