LG 42LV3400-DG (CHASSIS:LT01M) Service Manual ▷ View 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.
R888
2.7K
DDC_SCL_2
5V_DET_HDMI_4
C807
0.1uF
D804
OPT
DDC_SDA_1
R862
10K
D1+_HDMI2
HDMI_CEC
R871
10K
HDMI_SIDE_EEPROM
D0-_HDMI1
GND
JK801
EAG59023302
HDMI_2
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
JP805
Q801
2SC3052
E
B
C
R878
22
CK-_HDMI4
R875
22
R881
22
R854
68K
OPT
D0+_HDMI2
R815
0
IC804-*1
R1EX24002ASAS0A
HDMI_SIDE_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
5V_HDMI_1
R889
2.7K
+5V_Normal
D2-_HDMI2
HPD4
R828
10K
CK+_HDMI1
D0+_HDMI4
R896
1K
R805
0
OPT
Q803
2SC3052
E
B
C
R884
2.7K
R803
1.8K
HPD2
D811
OPT
D801
OPT
5V_DET_HDMI_2
D802
OPT
R885
2.7K
D824
ENKMC2838-T112
A
1
C
A
2
HDMI_CEC
R876
22
R837
1.8K
DDC_SCL_4
HDMI_CEC
IC804
AT24C02BN-SH-T
HDMI_SIDE_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
D821
ENKMC2838-T112
A
1
C
A
2
DDC_SDA_2
DDC_SCL_4
JK803
EAG62611201
HDMI_SIDE
14
13
5
D1_GND
20
BODY_SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
D0+_HDMI1
R808
10K
DDC_SDA_1
JP810
IC802
AT24C02BN-SH-T
HDMI_2_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R804
1.8K
+5V_Normal
IC801-*1
R1EX24002ASAS0A
HDMI_1_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R877
22
R874
10K
HDMI_1_EEPROM
D2+_HDMI4
CK-_HDMI2
C806
0.1uF
EDID_WP
EDID_WP
R806
10K
D1-_HDMI2
DDC_SCL_1
D822
ENKMC2838-T112
A
1
C
A
2
DDC_SDA_2
CK+_HDMI4
JP806
IC801
AT24C02BN-SH-T
HDMI_1_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
JK802
EAG59023302
HDMI_1
14
13
5
D1_GND
20
SHIELD
12
11
2
D2_GND
19
18
10
CK+
4
D1+
1
D2+
17
9
D0-
8
D0_GND
3
D2-
16
7
D0+
6
D1-
15
CK+_HDMI2
SI1012CR-T1-GE3
Q806
OPT
S
D
G
C805
0.1uF
16V
0.1uF
16V
OPT
R887
2.7K
5V_DET_HDMI_1
IC802-*1
R1EX24002ASAS0A
HDMI_2_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
GND
R830
10K
D0-_HDMI2
DDC_SCL_1
R882
22
5V_HDMI_2
CK-_HDMI1
JP812
+5V_Normal
C802
0.1uF
16V
0.1uF
16V
D1-_HDMI1
DDC_SDA_4
D803
AVRL161A1R1NT
OPT
R841
0
R897
1K
R857
68K
OPT
R807
10K
R895
1K
Q802
2SC3052
E
B
C
D1+_HDMI4
R835
3.3K
DDC_SCL_2
R873
10K
HDMI_2_EEPROM
C803
0.1uF
16V
0.1uF
16V
5V_HDMI_4
HDMI_ARC
D2-_HDMI4
HDMI_CEC
EDID_WP
C809
0.1uF
D2+_HDMI2
5V_HDMI_2
D0-_HDMI4
+3.5V_ST
R856
10K
10K
OPT
D1-_HDMI4
D2+_HDMI1
D2-_HDMI1
R802
3.3K
R891
2.7K
5V_HDMI_4
DDC_SDA_4
CEC_REMOTE_S7
R801
3.3K
HPD1
C801
0.1uF
16V
0.1uF
16V
5V_HDMI_1
D1+_HDMI1
R824
0
R855
100
100
20110324
GP3_S7LR
HDMI
8
HDMI_1
$0.055
HDMI EEPROM
HDMI_2
$0.055
For CEC
SIDE_HDMI
$0.055
F
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b
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O
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c
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.
DSUB_DET
D1114
5.6V
OPT
OPT
D1101
5.6V
OPT
OPT
AMOTECH
RGB_DDC_SDA
R1140
2.2K
2.2K
C1115
1000pF
50V
1000pF
50V
OPT
D1110
30V
30V
HP_DET
PC_R_IN
002:S12
D1113
30V
Q1102
MMBT3904-(F)
E
B
C
Q1104
MMBT3904-(F)
E
B
C
C1128
18pF
18pF
50V
Q1103
MMBT3904-(F)
E
B
C
EDID_WP
DSUB_HSYNC
R1139
2.2K
IC1105
AT24C02BN-SH-T
RGB_EEMPROM_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R1142
10K
RGB_EEPORM
+3.3V_Normal
DSUB_B+
IC1105-*1
R1EX24002ASAS0A
RGB_EEMPROM_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
R1110
10K
R1146
10K
10K
R1125
1K
1K
R1111
10K
R1133
75
75
R1129
3.3K
R1155
1K
1K
C1119
10uF
16V
10uF
16V
Q1101
MMBT3904-(F)
E
B
C
R1130
10K
D1112
30V
30V
R1107
15K
15K
+3.3V_Normal
R1108
15K
15K
C1131
0.1uF
16V
16V
R1147
1K
1K
SIDE_HP_MUTE
R1143
22
22
+5V_Normal
R1102
470K
470K
R1137
75
RGB_DDC_SCL
C1126
68pF
50V
68pF
50V
OPT
JK3301
KJA-PH-0-0177
HEAD_PHONE
3
DETECT
4
L
5
GND
1
R
C1127
18pF
50V
Q1106
2SC3052
E
B
C
C1118
10uF
16V
10uF
16V
C1107
100pF
50V
R1135
75
75
R1128
1K
HP_LOUT
002:V7
D1102
5.6V
OPT
OPT
AMOTECH
R1141
22
22
D1116
5.6V
OPT
D1109
30V
JK1104
SPG09-DB-010
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
C1110
10uF
16V
16V
OPT
DSUB_G+
D1117
5.6V
OPT
HP_ROUT
002:V7
D1115
ENKMC2838-T112
A1
C
A2
DSUB_R+
DSUB_VSYNC
+3.3V_Normal
Q1105
ISA1530AC1
E
B
C
R1104
10K
OPT
+3.5V_ST
SPDIF_OUT
002:T18
PC_L_IN
002:S12
C1108
100pF
50V
50V
C1122
68pF
50V
68pF
50V
OPT
D1111
30V
30V
C1109
22uF
16V
22uF
16V
OPT
R1103
470K
470K
C1121
100pF
50V
100pF
50V
C1129
0.1uF
16V
C1116
1000pF
50V
1000pF
50V
OPT
JK1103
2F01TC1-CLM97-4F
3
VIN
2
VCC
1
GND
4
S
H
I
E
L
D
JK1102
PEJ027-04
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
20110324
GP3_S7LR
RGB/SPDIF/HP
9
5.15 Mstar Circuit Application
EARPHONE BLOCK
SPDIF OPTIC JACK
PC AUDIO
RGB PC
RGB/SPDIF/PC/HP
New Item Development
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.
JP1112
C1106
0.1uF
0.1uF
PM_RXD
C1103
0.1uF
C1101
0.33uF
C1104
0.1uF
+3.5V_ST
D1107
30V
CDS3C30GTH
OPT
R1123
100
100
C1105
0.1uF
C1102
0.1uF
R1124
100
100
JK1101
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
JP1111
IC1101
MAX3232CDR
EAN41348201
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
PM_TXD
D1108
30V
CDS3C30GTH
OPT
20110324
GP3_S7LR
RS232C_9PIN
10
RS232C
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.
RXACK-
RXA2+
RXA1-
RXA3-
RXACK+
R710
10K
OPT
RXB1+
RXA2-
RXB3+
C700
10uF
16V
10uF
16V
OPT
RXACK+
RXBCK+
L702
120-ohm
WAFER_FHD
RXACK-
RXB0+
RXA3+
+3.3V_Normal
C701
10uF
16V
10uF
16V
OPT
RXBCK-
RXA0-
RXA4+
RXA4-
C709
1000pF
50V
1000pF
50V
OPT
RXB0-
R705
3.3K
OPT
+3.3V_Normal
P703
FI-RE51S-HF-J-R1500
WAFER_FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXA2-
RXA0+
C703
0.1uF
16V
0.1uF
16V
HD
RXB1-
C710
0.1uF
16V
0.1uF
16V
WAFER_FHD
P705
FF10001-30
HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
RXB2-
RXB4+
RXA0+
RXA1+
RXA0-
PANEL_VCC
C702
1000pF
50V
1000pF
50V
OPT
RXA3-
R711
10K
OPT
L701
120-ohm
HD
RXA3+
RXA1+
PANEL_VCC
R709
10K
10K
BIT_SEL_LOW
R713
0
OPT
RXB3-
RXB4-
RXB2+
RXA1-
R712
3.3K
OPT
RXA2+
20110324
GP3_S7LR
LVDS_LARGE
11
LVDS_SEL
[51Pin LVDS Connector]
(For FHD 60/120Hz)
(For FHD 60/120Hz)
BIT_SEL
LVDS_SEL
[30Pin LVDS Connector]
(For HD 60Hz_Normal)
(For HD 60Hz_Normal)
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