Printed Circuit Board Diagrams; Main P. C. Board Diagram - LG SNC4R Service Manual

PRINTED CIRCUIT BOARD DIAGRAMS

1. MAIN P. C. BOARD DIAGRAM

(TOP VIEW)
C 3 2 4
C 3 2 7
C 3 8 8
C 3 0 4
C 3 8 7
R 3 1 9
C 5 4 5
C 5 4 6
D 5 0 2
J K 5 0 1
C 5 4 4 C 5 7 0
C 5 6 9
D 5 0 3
(BOTTOM VIEW)
F L +
F L -
F R +
F R -
L 3 0 1
R 5 A 4 R 5 A 3 R 3 9 6
C 5 5 3 C 5 1 5
R 5 0 6 R 5 0 5
I C 3 1 2
C 5 8 8 I C 3 0 1
C 5 7 7 R 3 0 8
X 5 0 0
C 5 1 8 C 5 1 7
R 5 3 0
R 5 5 4
R 5 1 8 R 5 5 3
R 5 2 1
L 3 0 8
F B 3 1 5 R 5 8 4
I C 5 0 1 R 5 5 2
C 5 0 8 R 5 3 5
C 5 0 9 R 5 5 9
C 5 6 4
R 5 6 1
R 5 2 0
R 3 1 4
M C L K
R 5 1 9
R 5 0 7
R 5 8 6
R 5 4 0 C 3 9 2
R 5 9 8
R 5 9 9 R 5 8 5
C 3 9 1
R 5 4 3
O P 6 R 5 4 1
R 5 7 5
I C 3 0 3 R 5 7 6
R 5 2 9
R 5 8 3
I C 3 1 3
R 5 1 5
O C P
R 5 2 5
R 5 1 0 R 5 7 4
R 5 A 1 R 5 2 6
R 5 A 0
R 5 7 9 R 5 A 2 R 5 4 4 C 3 8 1
R 5 8 0 R 5 8 1 R 5 3 2 R 5 4 2
C 3 8 2
R 5 8 2 C 3 8 3
R 5 4 8 F B 3 1 6
R 5 4 7
F B 3 1 4
R 5 3 1
C 5 5 5
R 5 7 8
Z D 5 1 1
W R 5 0 3
R R 5 0 3
C 5 5 2
W C 5 1 7
C 5 1 9
C 5 0 6
Z D 5 1 2
W C 5 1 6
C N 5 0 3 R C 5 1 7
R C 5 1 6
CN506
C N 5 0 4 Rear SPK
Subwoofer
R E M O _ T P
R 7 8 5
Q 7 0 8
R 7 B 4
Q 7 0 9
R 7 B 0
C 7 3 9
R 7 8 4
R 7 8 3
R 7 8 2
C 7 3 8
C 3 0 6
R 3 0 6
R 7 7 7
R 7 7 5
C 3 5 1
C 7 3 1
R 3 0 1
Z D 7 0 1
T P 3 0 0
C 7 3 0
R 7 0 2
T P 3 0 1
G S 3 0 1
R C F 5 0 0
C 5 4 9
Z D 5 0 4
F B 5 1 0
C 5 F 1 L 3 0 0 Q 3 0 0
C 5 A 1 Q 3 0 1
C 5 F 2
C 5 A 2
R 5 F 1
C 3 9 5
R 5 F 2 C 3 3 0
I C 3 0 9
F B 3 0 4
R 3 2 7 R 3 1 2
R 3 7 1 C 3 9 3
CN502
R 3 0 3
R 3 1 0
C 3 9 4
L 3 0 2
R 5 2 8
C 3 1 3
C 5 4 8
C 5 4 7
C 3 1 2
C 4 3 8 C 4 3 9 F M
T P _ G N D
C 3 2 3
C 3 3 1 C 3 0 7
R 4 0 9
C 3 3 3
C 3 0 0
R 4 0 8 F B 4 0 4
C 3 3 4
C 4 4 0 I C 4 0 2 C 3 2 0
F B 4 0 3
C 4 3 2
L 4 0 7 2
C N 4 0 2
1
R 5 F 7
Q 5 0 2 R 5 F 6
C 3 0 3
R 3 5 5
R 5 F 4 R 5 F 3
R 5 F 5
R 3 1 1
R 3 5 1
C 5 F 4
C 5 F 3
R 3 0 2 R 3 0 4
C 5 F 6
C 3 3 6
T G N D
C 3 3 8 R 5 3 9
F M _ A N T R 5 1 1
C 5 5 0
C 5 6 7
F B 5 0 4
J K 5 0 2
CN402
I C 5 0 6
D 4 0 1
R R 5 0 2
R R 5 0 1
R C 5 0 1
3-35 3-36
S L 4 / S L 4 Y / S L 4 F M a i n
E A X 6 8 4 0 8 2 0 2 V e r 1 . 1
F R 4 - 4 L 1 . 2 T
R 7 A 1 2 0 1 8 . 1 2 . 0 6 2 6 1 X 6 7 . 5
MES
C 7 C 6
L 7 1 0
C N 7 0 3
F B 3 1 3
C 7 C 5
F L 2 +
C 7 5 9
C 7 4 6 F L 2 -
L
C 7 7 9
C 7 7 8
D 3 0 0 R
C 3 0 1
C 3 4 8
C 7 5 8 C 7 4 5
C 3 7 8
C 7 4 4
C 3 7 9
F 3 0 1
F R 2 +
F 3 0 0 L 7 0 9
F R 2 -
C N 7 0 4
C 7 7 7
K E Y _ T P
K E Y _ G
C 5 0 3
F B 5 0 7
F B 5 0 8
C N 5 0 5
R 3 1 6
R 3 0 9
C 3 9 7
R 5 6 7 C 5 2 1
R 5 8 8 R 3 1 7
C 3 3 2
R 3 2 1
C 5 2 6
C 5 3 8
R 5 5 8
R 5 2 4
C 5 0 1 C 5 2 9
C 5 4 0 C 5 3 7
R 3 1 3
C 5 4 1
Z D 5 0 1
C 5 4 2
C 5 2 2 R 5 2 7
C 5 6 1
C 5 6 0
C 5 4 3
F B 5 0 5 F B 5 0 1
C 5 2 3
W R 5 0 2
W R 5 0 1
W C 5 0 1
I C 5 0 5
U S B 5 V
C 5 5 1 C 5 1 4
U S B _ N
U S B _ P
U S B _ G N D
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