Service manual

VGA INPUT
CONNECTOR
Pins 6/7/8 are R/G/B
return lines resp.
Updated in 4/16
VGA_SDA
VGA_SCL
Vsync
Hsync
Hsync
Vsync
GND
GND
GND
GND
GND
GND
+3.3V
GND
GND
VGA_5V
GND
GND
+5VVGA_5V
R81 56/6 C108 0.01u/6
C114
47p/6
C113
47p/6
R95 22/6
C110 0.01u/6R84 56/6
D7
5.6V
2 3
R93 22/6
R96
510/6
C109 0.01u/6
D8
5.6V
2 3
R82 22/6
C111 0.01u/6R85 22/6
R86 56/6 C112 0.01u/6
D4
DAN202U
U9
AT24C21-10SC-2.5
4
81
2
3
7
6
5
GND
VCCA0
A1
A2
WP
SCL
SDA
D5
5.6V
2 3
D6
5.6V
2 3
R91 100/6
R99 100/6
R100 100/6
R87 100/6
R83 100/6
R77 47K/6
R97 0/6
R94 0/6
R92 *0/6
C115
0.1u/6
C106
0.1u/6
CN7
DB15HD
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
1617
U10
SN74LVC14A/NS
7
14
13
12
11
10
1
2
3
4
6
5
8
9
GND
VCC
6A
6B
5A
5B
1A
1Y
2A
2Y
3Y
3A
4Y
4A
R78 10K/6
C107 0.01u/6R80 22/6
R90 75/6 R88 75/6 R89 75/6
R79 10K/6
HFSn 4
HCLK 4
HS 4
VS 4
RED- 4
GREEN- 4
RED+ 4
VGA-EN 4
BLUE+ 4
BLUE- 4
GREEN+ 4
1
2
3
INPUT CONNECTOR
ViewSonic Corporation
28
Confidential – Do Not Copy
VG700b-2