Read LG 42LV375H-ZA (CHASSIS:LD03X) 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.
2SC3052
Q4107
ISA1530AC1
Q4104
E
B
C
15K
R4127
SCART1_Lout_N
DTV/MNT_R_OUT
390
R4133
30V
OPT
D4101
+3.3V_NORMAL
3.9K
R4130
390
R4132
33pF
C4121
OPT
SCART1_Rout_P
SCART1_MUTE
30V
OPT
D4103
SC1_G
2SC3052
Q4105
E
B
C
5.6V
OPT
OPT
D4107
15K
R4137
33pF
C4122
OPT
30V
OPT
D4106
SC1_B
5.6K
R4143
SCART1_Rout_N
DTV/MNT_R_OUT
68K
R4142
OPT
68K
R4139
OPT
30V
OPT
D4110
SC1_R_IN
100uF
16V
C4114
+12V
47K
R4136
RT1P141C-T112
Q4109
1
2
3
5.6K
R4148
5.6V
OPT
OPT
D4109
SC1_CVBS_IN
DTV/MNT_L_OUT
5.6V
OPT
OPT
D4100
68K
R4141
OPT
SCART1_Lout_P
5.6V
OPT
D4108
2K
1/16W
R4153
68K
R4140
OPT
33pF
C4127
0 . 1 u F
C4130
SC1_R
L4105
5.6K
R4147
33pF
C4128
5.6K
R4144
DTV/MNT_L_OUT
470
R4135
+12V
5.6V
OPT
D4102
2K
1/16W
R4151
30V
OPT
D4111
DTV/MNT_R_OUT
5.6V
OPT
OPT
D4105
0
R4138
DTV/MNT_L_OUT
47uF
16V
16V
C4117
SC1_L_IN
2SC3052
Q4106
+12V
PSC008-01
JK4100
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
SC1_ID
SC1_FB
30V
OPT
D4104
4700pF
50V
50V
C4107
4700pF
50V
50V
C4108
BLM18PG121SN1D
L4100
BLM18PG121SN1D
L4101
1000pF
50V
50V
C4100
1000pF
50V
50V
C4101
47pF
50V
50V
C4113
LM324D
IC4100
3
IN1+
2
I N 1 -
4
VCC
1
OUT1
6
I N 2 -
5
IN2+
7
OUT2
8
OUT3
9
I N 3 -
10
IN3+
11
VEE/GND
12
IN4+
13
I N 4 -
14
OUT4
DTV/MNT_V_OUT
SCART1_DET
6800pF
50V
50V
C4125
6800pF
50V
C4126
10K
R4126
1K
R4129
0
R4123
75
R4112
75
1%
R4104
75
1%
1%
R4102
75
1%
R4101
470K
R4100
470K
R4103
1/16W
0
5%
R4107
1/16W
0
5%
R4105
0
R4108
22
R4122
75
R4111
220pF
50V
50V
OPT
C4115
0 . 1 u F
16V
16V
C4116
0 . 1 u F
16V
C4119
0 . 1 u F
16V
C4118
0
R4131
OPT
1K
R4145
1K
R4146
ATV_OUT
NLASB3157DFT2G
IC4101
3
B0
2
GND
4
A
1
B1
6
SELECT
5
VCC
DTV_ATV_SELECT
10K
R4163
+5V_NORMAL
180
R4134
12
R4164
62
R4115
0 . 1 u F
16V
C4134
0
R4168
1uF
25V
25V
C4105
1uF
25V
25V
C4104
100pF
50V
50V
C4112
100pF
50V
C4111
0
R4116
0
R4113
10K
R4176
10K
R4177
SIDE_HP_MUTE
2 . 2 u F
10V
C4144
1uF
10V
10V
C4135
1uF
10V
10V
C4139
HP_ROUT_N
0 . 1 u F
16V
C4142
BG2012B080TF
L4103
HP_ROUT
100K
OPT
OPT
R4172
1uF
10V
C4138
BG2012B080TF
L4104
HP_LOUT
0
OPT
R4174
4.7K
R4106
HP_LOUT_P
OPT
R4171
4.7K
R4109
OPT
R4169
+3.3V_NORMAL
2SC3052
Q4117
E
B
C
10uF
10V
10V
C4140
1K
R4175
TPA6132A2
EAN60724701
IC4102
3
INR+
2
INL+
4
INR-
1
INL-
OUTR
5
G0
6
G1
7
HPVSS
8
CPN
9
PGND
10
CPP
11
HPVDD
12
EN
13
VDD
14
SGND
15
OUTL
16
4.7K
R4170
2 . 2 u F
10V
10V
C4141
HP_LOUT_N
HP_ROUT_P
1uF
10V
C4137
2 . 2 u F
10V
10V
C4143
+3.3V_NORMAL
1uF
10V
C4136
10uH
L4102
0 . 1 u F
50V
50V
C4120
75
R4178
0 . 2 2 u F
16V
16V
C4145
0 . 2 2 u F
16V
16V
C4146
1/16W
0
R4173
1/16W
0
R4119
10uF
16V
C4123
10uF
16V
C4124
20K
R4149
20K
R4150
Gain=1+Rf/Rg
Rg
Rf
EU_SCART [OPT]
R e v ( 4 )
R207
68=>75
Audio Out Amp
F o r F r e q u e n c y R e s p o n s e
S e l e c e = H i g h = = > A = B 1
S e l e c e = L o w = = > A = B 0
C l o s e t o t h e I C
EARPHONE AMP
EARPHONE BLOCK
41
Chameleon(EU_GP2_BCM3556)
2 0 1 0 . 1 2 . 2 0
SCART&HP
xxLV375H-ZA
Click on the first or last page to see other 42LV375H-ZA (CHASSIS:LD03X) service manuals if exist.