ViewSonic VX912 Service Manual page 72

10. Schematic Diagrams
PAGE1 VGA
INPUT
CN2
11 1
6
DDC_SDA
12 2
7
IN-H
13 3
8
IN-V
14 4
9
DDC_SCL
15 5
10
VGA/NC
CN3
RED-IN RED+IN
GND 1 2
+ +
GREEN-IN GREEN+IN
3 4
+ +
BLUE-IN BLUE+IN
5 6
+ +
7 8 GND
+ +
IN-H IN-V
9 10
+ +
DDC_SDA
11 12
+ +
DDC_SCL
DSUB_5V
13 14
+ +
VGA INPUT
ADC_VCC
D7 D8 D9
DAN217K/NC DAN217K/NC DAN217K/NC
RED+IN GREEN+IN BLUE+IN
3 3 3
IN-H IN-V DDC_SDA DDC_SCL
D10 D11 D12
Z5.6/NC Z5.6/NC Z5.6/NC
CN4
25
1
RX2-
2
RX2+
3
GND
4
RX4-
5
RX4+
DDC2_SCL
6
SCL
DDC2_SDA
7
SDA
8
VS
9
RX1-
10
RX1+
11
GND
12
RX3-
13
RX3+
14
5V
15
GND
R48 10K/6NC
16
HP
R49 100/6NC
17
RX0-
18
RX0+
19
GND
20
RX5-
21
RX5+
22
GND
23
RXC+
24
RXC-
D24
C31
Z5.6/NC
1U/6NC
26
DVI-D/NC
ViewSonic Corporation
RED+IN
DDC_SDA
RED-IN
RED+IN
RED-IN
GREEN+IN
GREEN-IN GREEN+IN
BLUE+IN
BLUE-IN
DSUB_5V
DSUB_5V
GREEN-IN
PIN 10 VGA_CON
DDC_SCL
BLUE+IN
BLUE-IN
DEL D29 2004/6/17
D13
Z5.6/NC
D18 D19
Z5.6/NC Z5.6/NC
D20 D21
Bus_Power
Z5.6/NC Z5.6/NC
Hot_plug
C30
0.1U/6/NC
D25 D26 D27
Z5.6/NC Z5.6/NC Z5.6/NC
Confidential - Do Not Copy
69
L8 0/6
R23
R24 C17
NC
75/6/F R25
L9 0/6
R26
R27 C20
NC
75/6/F R28
R29
L10 0/6
R31
C24
R32
75/6/F NC R33
L31 0/6
IN-H R34 100/6
R35
2K/6
IN-V R36 100/6
R37
2K/6
Add R156~R162 damping RES 2004/4/16
R155 0
TX2-
R156 0
TX2+
R157 0
TX1-
R158 0
TX1+
R159 0
TX0-
R160 0
TX0+
R161 0
TXC+
R162 0
TXC-
D28 R50
Z5.6/NC 10K/6NC
VX912
100/6 C16 0.047u/6
RED+
100/6 C18 0.047u/6
RED-
100/6 C19 0.047u/6 DEL L11,C32,U6,R51,R52
GREEN+
100/6 C21 0.047u/6
GREEN-
100/6 C22 0.047u/6
SOGIN
R30
1M/6
100/6 C23 0.047u/6
BLUE+
100/6 C25 0.047u/6
BLUE-
VGAHS AHS
C26 D34
Add D34,D35,L31
Z3.3V
22P/6
2004/6/17
VGAVS AVS
C28 D35
Z3.3V
22P/6
Bus_Power
C29 0.1U/6/NC
U5
1 8
NC VCC
2 7
NC VCLK
3 6
NC SCK
4 5
VSS SDA
M24C02/NC
Title
VGA AND DVI INPUT
Size Document Number
Date: Friday, October 15, 2004
2004/6/17
3DVCC
D17
BAT54C-GS08/NC
R44 R45
2K/6/NC 2K/6/NC
R46 100/6/NC DDC2_SCL
DDC2_SDA
R47 100/6/NC
D22 D23
Z5.6/NC Z5.6/NC
Rev
B
DISPLAY
Sheet 3 of 8