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GX20 CONFIDENTIAL
[4] Schematic diagram/wiring side of P.W.Board
MAIN PWB-A (1/3)
A MAIN PWB-A(1/3)
TFT-COM
COMDC
VCOMH
T-COM
T-COM
COMC
COMC
CN404
G0
G1
G2
G3
G4
G5
R0
B0
B1
B2
B3
B4
B5
10
12
13
14
15
16
17
18
19
20
11
1
2
3
4
5
6
7
8
9
AND GATE
TC7SZ08A
C462
3
2
1
4.7
IC405
R433
56K
C449
4.7
4
5
C448
G0
G1
G2
G3
G4
G5
R0
B0
B1
B2
B3
B4
B5
B 1
8 7 6 5 8 7 6 5 8 7 6 5 8 7 6
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3
G0
G2
G4
G1
G3
G5
R0
R2
R4
R1
R3
B4
B1
B3
B5
C 8 7 6 5 8 7 6 5 8 7 6 5 8 7 6
L449
L448
L450
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3
101
R1 100
29
87
77
64
89
39
30
28
86
65
G5 63
99
R3 98
C428
B4
G0
G2
G4
R0
R2
R4
B1
B3
B5
G1
G3
1
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
D CAPA3+
CAPA3-
CAPA2+ C427
CAPA2- 1 TP419
CAPA1+ C425 SUBD6
21 17 35 78 110 122 80 136 123 27 66 57 58 67 55
CAPA1- SUBDB6
4 3 2 1 4 3 2 1 4 3 2 1
5 6 7 8 5 6 7 8 5 6 7 8
C426 1 SUBD4 IC
VOUT SUBDB4
1 C424 SUBD2 L447
VREG
0.1 SUBD0
SUBDB2 LR
VEE SUBDB0
VDD
SUBCKS
SUBD3
SUBDB3 DI
SUBD1
CKS SUBDB1
SUBCK SUBCKS L446
12
12
24
36
48
60
72
CK SUBCKS
SUBLP
GND SUBLPIN
EXTERNAL DISPLAY
SUBFLM SUBCK
23
35
47
59
71
11
11
FLM SUBCK
SUBLP SUBFLM L445
LP SUBFLMIN
E SUBD7 SUBD7