Service manual

GX30
5 – 9
CONFIDENTIAL
Figure 5 SCHEMATIC DIAGRAM (5/22)
A
B
C
D
E
F
G
H
123
45
6
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
MAIN PWB-A
17
NC
VINT
3.0V
TP713
VLCD
1.8V
5
TP712
TP714
XIN
XOUT
RESET_B
VDDPLL
VDDCORE
VDDCORE
VDDCORE
VDDCORE
VDDCORE
VDDCORE
VDDCORE
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
CAMCK
SUBLPIN
SUBFLMIN
SUBCKS
SUBDB3 SUBDB7 SUBDB5
SUBDB4
SUBRS
SUBWR_B
SUBCS_B
RSP
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 DB8 DB9
DB10
DB11
DB12 DB13 DB14 DB15
BUFOFF_B
LCDINT
WAIT_B
RD_B
WR_B
CS_B
123456789101112
A
B
C
D
E
F
G
H
J
1
2
345
67
8910
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
38
48
47
464544
4342
41
37
4039
50
60
59
585756
5554
53
49
5251
62
72
71
70
6968
6766
65
61
64
63
74
84
83
828180
7978
77
73
7675
86
96
95
94
9392
9190
89
85
88
87
98
99
97
107
106100 101
102 103
104 105 108
2
15
17
19
21
22
23
24
26
34
35
42
43
46 47
54
56
60
66 6
7
69707172
74
76
78
81
82
84
85
90
93949596
97
106107108
110
118119120121
122 123
131
136
139
143
1
0
1112131415161718192021222324252627282930313233
1
2
3
4
/LCD_WAIT
LCD_INT
BUFOFF
DATA[15] DATA[14] DATA[13] DATA[12] DATA[11] DATA[10]
DATA[9] DATA[8] DATA[7] DATA[6]
DATA[5] DATA[4] DATA[3] DATA[2] DATA[1] DATA[0]
SUBCS
SUBWR
SUBRS
SUBD7 SUBCKS SUBCK SUBFLM SUBLP SUBD6 SUBD5 SUBD4 SUBD3 SUBD2 SUBD1 SUBD0 SUBCS SUBRS SUBWR
BUFOFF /LCD_RESET
LCD_RSP
VLCD
SUBFLM
SUBCKS
/LCD_RESET
/RD
/WE
/LCD_CS
SUBCK
SUBLP
SUBD3 SUBD7 SUBD1
FLM CSB GND D5 LP RESB V4 D2 D6 D7 CK RS D0 D3 V0
CKS
V1 RD D1 V2 D4 V3 GND WR
VINT
C737 0.1
R729 0
R730 0
R723
0
R728 0
C736 0.01
R727 100K
C750 1 C745 1 C747 1 C744 1
C748 1
L711 FERRITE BEADS L710 FERRITE
R713 1
R716
0
C729 1
C732 0.1
C739 0.1
C734 0.1
R717
0
C751 100P(CH)
R732 470K
IC704
LR38863
DISPLAY CONTROLLER
R705A
0
LCD001
EXTERNAL DISPLAY
R748 0
R747 0
L746 FERRITE BEADS
L749
FERRITE
BEADS
C787 100P(CH)
FL701
NA004