Service manual

Model
Title
Date Rev:
ViewSonic Corporation
VGA AND DVI INPUT
92
ViewSonic Corporation
Confidential
-
Do N Copyot VX922-1
PAGE1 VGA
INPUT
Add R156~R162 damping RES 2004/4/16
PIN 10 VGA_CON
DEL L11,C32,U6,R51,R52 2004/6/17
Add D34,D35,L31
2004/6/17
DEL D29 2004/6/17
BLUE+IN
BLUE+IN
GREEN+IN
IN-V
IN-H
DDC2_SCL
BLUE+IN
BLUE+IN
IN-V
DSUB_5V
RED+IN
IN-H
RED+IN
DDC2_SDA
RED+IN
VGAVS
DDC_SCL
IN-V
GREEN+IN
RED+IN
Bus_Power
Bus_Power
IN-V
GREEN+IN
GREEN+IN
VGAHS
IN-H
DDC_SDA
DDC_SCL
DSUB_5V
DDC_SCL
DDC_SDA
DDC_SDA
IN-H
DDC2_SCL
DDC2_SDA
GND
RED-IN
BLUE-IN
GND
GREEN-IN
RED-IN
GREEN-IN
BLUE-IN
RED-IN
GREEN-IN
BLUE-IN
BLUE-
SOGIN
BLUE+
GREEN-
Hot_plug
DDC_SCL
GREEN+
DDC_SDA
RED-
RED+
TXC+
TX2-
TX0+
TX1+
TX1-
TX2+
TX0-
TXC-
DSUB_5V
AVS
AHS
3DVCC
ADC_VCC
C17
NC
R47 100/6/NC
R32
75/6/F
C21 0.047u/6
R35
2K/6
D34
Z3.3V
1 3
R29 100/6
D35
Z3.3V
1 3
C29 0.1U/6/NC
C23 0.047u/6
C22 0.047u/6
D20
Z5.6/NC
1 3
L10 0/6
R49 100/6NC
D27
Z5.6/NC
1 3
C26
22P/6
R34 100/6
C18 0.047u/6
C30
0.1U/6/NC
D9
DAN217K/NC
21
3
R31 100/6
D24
Z5.6/NC
1 3
R33 100/6
L9 0/6
D28
Z5.6/NC
1 3
R45
2K/6/NC
R46 100/6/NC
C19 0.047u/6
R50
10K/6NC
R26 100/6
L8 0/6
C31
1U/6NC
CN4
DVI-D/NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
RX2-
RX2+
GND
RX4-
RX4+
SCL
SDA
VS
RX1-
RX1+
GND
RX3-
RX3+
5V
GND
HP
RX0-
RX0+
GND
RX5-
RX5+
GND
RXC+
RXC-
26
25
D25
Z5.6/NC
1 3
C16 0.047u/6
C24
NC
C28
22P/6
D18
Z5.6/NC
1 3
R155 0
R28 100/6
D22
Z5.6/NC
1 3
R156 0
R27
75/6/F
CN2
VGA/NC
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
1617
R157 0
D10
Z5.6/NC
1 3
R158 0
C20
NC
CN3
VGA INPUT
1
3
5
7
9
11
13
2
4
6
8
10
12
14
+
+
+
+
+
+
+
+
+
+
+
+
+
+
R159 0
R160 0
D11
Z5.6/NC
1 3
R48 10K/6NC
R161 0
D8
DAN217K/NC
21
3
R162 0
R36 100/6
D23
Z5.6/NC
1 3
D12
Z5.6/NC
1 3
L31 0/6
R30
1M/6
R37
2K/6
D13
Z5.6/NC
1 3
D17
BAT54C-GS08/NC
D19
Z5.6/NC
1 3
R23 100/6
R24
75/6/F
R25 100/6
D7
DAN217K/NC
21
3
R44
2K/6/NC
D21
Z5.6/NC
1 3
U5
M24C02/NC
1
2
3
4 5
6
7
8
NC
NC
NC
VSS SDA
SCK
VCLK
VCC
C25 0.047u/6
D26
Z5.6/NC
1 3