LG 42LV3500-SA (CHASSIS:LJ01U) 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.
L/DIM_SCLK
18pF
50V
50V
OPT
C2103
2.2K
R2100
LED_DRIVER_D/L
18pF
50V
50V
OPT
C2102
18pF
50V
50V
C2100
OPT
V_SYNC
L/DIM_MOSI
18pF
50V
50V
OPT
C2104
18pF
50V
50V
OPT
C2101
2.2K
R2101
LED_DRIVER_D/L
LED_DRIVER_D/L_SDA
12507WR-08L
P2100
L/DIM_LED/DRIVER
1
2
3
4
5
6
7
8
9
+3.3V_Normal
LED_DRIVER_D/L_SCL
L/DIM_LED
20101023
21
GP2R
10
19
1
10
19
1
19
1
10
8
1
9 4 V - 0
1
4
5 0
4 0
3 0
2 0
1 0
1
5 1
4 0
3 0
2 0
1 0
1
4 1
1 0
2 0
3 0
1
B A R C O D E
1
5
RD
RD
GN
BL
WH
RD
WH
GN
RD
BL
RD
WH
YL
3
1
1
4
5
8
5
1 6
10
1
1
4
5
8
1
45
8
5
16
1 0
1
B A R C O D E
[RD]
[WH]
[YL]
1
4
36
24
13
12
1
48
37
25
123
789
B
C
D
E
F
G
H
J
K
L
M
N
A
P
R
T
1
2
3
7
8
9
B
C
D
E
F
G
H
J
K
L
M
N
A
P
R
T
Soldering
Pb Free
1
12
11
5
REVERSE
NON-
REVERSE
NON-
26
25
24
23
22
21
20
19
18
17
16
15
14
6
7891
0
1
1
1
2
1
3
5
4
3
2
1
AF
AE
AD
AC
AB
AA
Y
W
V
U
T
R
P
N
M
L
K
J
H
G
F
E
D
C
B
A
24
14
8
25
1
4
5
8
123
789
B
C
D
E
F
G
H
J
K
L
M
N
A
P
R
T
1
10
1 5
20
28
3 0
2 9
4 0
4 3
5 0
5 6
14
4 2
1
10
15
20
28
3 0
2 9
4 0
43
50
56
14
42
JH
R210
R213
R214
R 2 1 5
C4001
AR1907
AR1908
AR1909
L 5 0 5 5
J K 8 0 1
J K 8 0 2
J K 8 0 3
R 4 1 4
R416
AR1912
AR1913
R 8 0 1
R226
R 8 0 2
R227
R 8 0 3
D1110
R228
R 8 0 4
D1111
R229
D1112
L 3 7 0 2
D1117
R423
R230
R231
R232
R233
P2100
R237
R238
R239
R815
R 4 3 2
R4002
R4003
C204
R 4 3 4
R240
R241
R1125
C205
R 4 3 6
R242
C206
R 4 0 0 6
C207
C208
R 1 1 2 9
C209
R824
C 4 0 1
C 4 0 2
C403
R1130
C210
C404
R828
R 4 4 1
X 2 0 1
C405
P501
R 1 9 0 1
R 4 4 2
R443
C 4 0 7
R 1 1 3 3
R444
C 4 0 8
R 1 1 3 5
R1905
R 1 1 3 7
C218
R830
R 4 0 1 9
C219
R449
C4043
C4044
C410
P703
R4020
C220
P704
C221
P705
C222
R452
C223
C418
R 4 5 4
C224
C 8 0 1
R455
AR301
R1146
A R 3 0 2
C 8 0 2
R 4 5 7
R1147
A R 3 0 3
C 2 2 8
R458
AR304
C805
AR305
R 8 4 1
R 1 9 1 9
A R 3 0 6
A R 3 0 7
C 4 2 0
A R 3 0 8
A R 3 0 9
J K 3 3 0 1
C423
R 4 6 0
C 4 2 4
R 1 9 2 0
R461
R1921
R462
C 4 2 6
C 4 2 7
R 4 0 3 4
C 4 2 8
C810
R 4 0 3 5
R1155
R465
C429
R 4 6 6
C236
R 4 6 7
C237
C238
C4061
C239
C 4 3 0
R 8 5 4
C 4 0 6 4
C 4 3 1
R855
C 4 0 6 5
C5005
R856
C 4 0 6 6
C432
R857
C5008
C 5 0 0 9
R 4 7 3
C439
L 9 9 0 3
C248
R 2 8 7
R 2 8 8
C440
C441
R 2 8 9
C444
C250
C445
C251
C 4 4 8
R 2 9 1
R 2 9 2
R293
C 2 5 7
R294
C 2 5 8
R295
R297
C453
C 2 6 1
C456
C 2 6 2
C457
C264
C458
R5004
C459
R5005
C 2 6 8
R5008
C5030
P5050
R883
C460
C 5 0 3 4
C461
C 4 6 2
C 4 6 3
C 4 6 4
C465
C 5 0 3 9
C466
C 2 7 2
R5012
C467
C468
C 2 7 5
C 4 6 9
C 2 7 6
C5040
J K 1 6 0 1
J K 1 6 0 2
R892
R893
JK1603
J K 1 6 0 4
C470
C 4 7 1
R 8 9 5
C472
R 8 9 6
C 4 7 3
C476
C 4 7 7
C284
D 8 0 1
L 5 0 1
D 8 0 2
L 5 0 2
D 8 0 3
D 8 0 4
C5050
C 5 0 5 1
C 5 0 5 2
L506
C5053
L 5 0 7
P 3 9 0 4
Q 5 0 5 0
L 5 0 8
I C 4 0 1
C 5 0 5 5
L 5 0 9
I C 4 0 2
I C 4 0 3
C 5 0 5 7
C5058
C485
I C 4 0 5
IC406
C293
I C 4 0 7
C 4 8 8
C5062
J K 9 9 0 1
C3701
J K 9 9 0 2
C 5 0 6 6
JK9903
C5067
C5068
C3705
Q3701
C 3 7 0 6
C 3 7 0 7
C 3 7 0 8
AR1201
C3709
D 8 2 2
AR1202
AR1203
A R 1 2 0 4
A R 1 2 0 5
D825
C 5 0 7 1
A R 1 2 0 6
D826
A R 1 2 0 7
C5073
A R 1 2 0 8
A R 1 2 0 9
C 3 7 1 1
C 3 7 1 3
Q1001
C1007
C1008
A R 1 2 1 0
R5054
A R 1 2 1 1
C 3 7 1 9
R 5 0 5 5
A R 1 2 1 2
A R 1 2 1 3
A R 1 2 1 4
A R 1 2 1 5
A R 1 2 1 6
A R 1 2 1 7
C 1 0 1 0
J K 1 4 5 0
A R 1 2 1 8
A R 1 2 1 9
T U 3 7 0 1
R 1 0 5
R 1 0 6
R 1 0 6
T U 3 7 0 2
C3722
R107
C3724
R108
R5060
R109
C3726
R5063
A R 1 2 2 0
R 5 0 6 4
C1401
R3701
R 3 7 0 2
R3705
R 3 0 6
R 1 1 3
R 3 0 7
R 3 0 8
R115
R 3 0 9
R116
R117
R118
R5070
R503
C 3 7 3 7
R 3 1 0
R504
C 3 7 3 8
R 3 1 1
R505
C 3 7 3 9
R 3 1 2
R506
R 3 1 3
R507
R1004
R 3 1 4
R 5 0 8
R 3 1 5
R 3 1 6
R123
R124
R1009
R319
R125
C3742
R126
I C 1 0 0 2
C 1 2 2 6
C3743
R127
R 1 2 8
R 1 2 9
R 7 0 5
R 7 0 6
R 7 0 7
R 7 0 7
R320
R321
R1012
R 1 2 0 6
R 1 2 0 7
R 1 2 0 8
R325
I C 1 2 0 1
R 1 2 0 9
R132
IC1202
R 1 3 3
R1018
R 7 1 0
R1019
C 1 6 2 0
R 1 2 1 0
C 1 6 2 1
R 1 2 1 1
R 1 2 1 2
R 1 2 1 2
R 1 2 1 3
R1020
R 1 2 1 4
C9901
R1215
C101
R1216
R1023
R 1 2 1 7
R 1 4 0
R 1 2 1 8
R 1 4 1
R 1 2 1 9
R 3 7 3 5
R 3 3 6
R 3 7 3 6
C 1 0 7
C 9 9 0 7
R 3 3 8
R144
C108
R145
C109
C1245
R 1 2 2 0
R 1 2 2 1
R 1 2 2 2
R 1 2 2 3
R 3 4 0
C 1 1 1
P 2 4 0 1
P401
R 3 4 2
P2402
P403
R1034
P404
R 1 0 3 7
R 1 0 3 9
R 1 5 6
C502
C504
C505
C1642
C 1 6 4 4
C 5 0 8
R 1 0 4 1
C1645
C509
R 1 0 4 3
D 9 9 0 1
D9902
R1048
R1049
C511
C512
D 9 9 0 7
C 5 1 3
D9908
R 9 9 0 4
C 5 1 4
R 9 9 0 7
C 5 1 7
R1050
R 3 7 6 0
C 5 1 8
R3761
R1052
R3762
C2403
R1054
C2404
R1055
C2405
R1056
C2406
R1057
R 9 9 1 0
C 5 2 0
R9911
C 5 2 1
R 9 9 1 2
C 5 2 2
C524
R9915
C525
R 1 0 6 0
C 2 4 1 0
C 5 2 8
R1063
R1065
D1451
R1066
D1452
R 1 0 6 8
R 1 0 6 9
R 1 0 6 9
C 5 3 4
C 5 3 5
R 1 4 5 8
R1071
D 2 4 0 1
D 2 4 0 2
D 2 4 0 2
D 2 4 0 3
D 2 4 0 4
R 1 6 5 5
D 2 4 0 5
R1656
R 2 4 0 4
R 2 4 0 5
JK1101
JK1102
JK1103
R1084
JK1104
R 2 4 1 3
R2414
R2416
R1090
R 1 0 9 1
Q408
L203
L 2 0 4
L205
L 2 0 6
I C 1 0 1
IC102
I C 1 0 3
L 4 0 2
L 4 0 4
L211
Q801
L212
L406
Q802
L407
L 2 1 4
L5004
Q805
L 2 1 5
I C 3 0 1
L5005
Q806
L5006
L 5 0 0 7
L219
D 9 0 2
D 9 0 3
L413
L415
I C 5 0 1
L416
I C 5 0 2
L 2 2 5
L228
L 4 2 0
L421
L 4 2 2
L 4 2 3
L 4 2 4
X1002
Q1105
Q 1 1 0 6
R 2 0 2 R203
P 1 9 0 1
R205
C1115
L * 0 1 U ( * : A , B , C , D , J . L . T )
E A X 6 3 5 2 9 6 0 2 ( 1 )
2 0 1 0 . 1 1 . 2 0 . H . Y . D
E A X 6 3 5 2 9 6 0 2 ( 1 )
2 0 1 0 . 1 1 . 2 0 . H . Y . D
R - R + L -
L +
L A B E L
S O F T W A R E
GND
NC
SCLK
MOSI
SCL
SDA
SYNC
R -
R +
R +
L -
L +
S C L
S D L
G N D
K E Y 1
K E Y 2
+ 3 . 5 V
G N D
L O G O
I R
G N D
+ 3 . 3 V
B U Z Z
S D L
G N D
K E Y 1
K E Y 2
+ 3 . 5 V
G N D
L O G O
I R
G N D
+ 3 . 3 V
B U Z Z
P1902
R 7 0 3
R 7 0 1
R 7 0 2
R 7 0 2
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