ViewSonic VA2226w-1, Service Manual

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65
ViewSonic Corporation
Confidential - Do Not Copy
Model
Title
Date Rev:
ViewSonic Corporation
Input
Del R123 on
VGA_DET line.
DETECT
R
B
G
G
B
R
DETECT
DAT0-
DCLK-
DAT1+
DCLK+
DAT2-
DAT0+
DAT2+
DAT1-
SDA_DVI
SCL_DVI
DAT0-
DAT1-
DCLK-
DAT1+
DAT0+
DAT2+
DDCA_SDA
DDCA_SCL
DDCA_SCL
DCLK+
DAT2-
DDCA_SDA
SCL_DVI
SDA_DVI
PC5V_VGA
VCC3.3
PC5V_VGA
VCC3.3
VCC3.3
DVI5V
DVI5V
VCC3.3
VCC3.3
R214 10 1%
D103
BAV99
1
3
2
R127 100
C123
220p/
50V
C119
NC/
33p/
50V
R114 100
ZD201
5V6
C112 0.047u/16V
C114 0.047u/16V
R205
4K7
R134
4K7
U201
AT24C02BN
1
2
3
4 5
6
7
8
A0
A1
A2
GND SDA
SCL
WP
VCC
C122
33p/
50V
C201
0.
1/
16V
R130
75 1%
D105
BAV99
1
3
2
R204
4K7
R118 100
D204
BAV99
1
3
2
R212 10 1%
R203 100
R201 10 1%
C116 0.047u/16V
ZD104
5V6
U103
AT24C02BN
1
2
3
4 5
6
7
8
A0
A1
A2
GND SDA
SCL
WP
VCC
ZD101
5V6
R115 100
C118 0.047u/16V
C202
0.
1/
16V
C117 0.047u/16V
D102
BAV99
1
3
2
C113 0.047u/16V
C120
NC/
33p/
50V
R218
10K
ZD102
5V6
C124
NC/
0.
1/
16V
C125
0.
1/
16V
D208
BAV99
1
3
2
R126 100
Q201
PMBT3904
1
3
2
C115 0.047u/16V
R211 10 1%
D202
BAV70
3
2
1
ZD202
5V6
R206
10K
C121
NC/
33p/
50V
D205
BAV99
1
3
2
R120 470
D206
BAV99
1
3
2
ZD103
5V6
R129
75 1%
R215 10 1%
R216 10 1%
R122 10K
CN201
DVI-D_CON
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-
ZD105
5V6
R124 100
D209
BAV99
1
3
2
D106
BAV70
3
2
1
R213 10 1%
R128
75 1%
R119 100
R133
4K7
CN103
DZ11AA1-H5W6-4F
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
16
17
D201
BAV99
1
3
2
ZD203
5V6
R202 100
D207
BAV99
1
3
2
R117 100
D203
BAV99
1
3
2
R132
2K2
R131
2K2
R207
4K7
R125 100
R116 100
D104
BAV99
1
3
2
FB101
120 Ω
R217 10 1%
GNDR 3
GIN 3
GNDG 3
RIN 3
SOG 3
VSYNC 3
GNDB 3
BIN 3
HSYNC 3
DET_VGA 3
VCC3.3 3
DET_DVI 3
HP_CTRL 3
B- 3
B+ 3
G- 3
CLK- 3
R+ 3
CLK+ 3
R- 3
G+ 3
WP_VGA 3
DDCA_SCL 3
DDCA_SDA 3
SCL_DVI 3
SDA_DVI 3
WP_VGA 3
VA2226w-1