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ViewSonic Corporation
Confidential - Do Not Copy
VA502mb-1
B-
4
D306
BAV99
3
1
2
R321
10K
Ω
1/16W
R315
100
Ω
1/16W
R319
100
Ω
1/16W
GNDR
4
PC5V
VSI
R310
1K
Ω
1/16W
ST_DET2 6
DAT_DDC
U302
M24C02WMN6
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
HSI
DVI5V
R303
100
Ω
1/16W
D312
BAV99
3
1
2
PC5V
C308 0.047uF
FB303
0
Ω
1/16W
R309
100
Ω
1/16W
R-
4
GIN
4
D323
TZMC5V6-GS08
ST_DET1 6
D311
BAV99
3
1
2
R327
75
Ω
1/16W
D318
TZMC5V6-GS08
CLK+
4
R324
10K
Ω
1/16W
R318
10K
Ω
1/16W
C310 0.047uF
C304 0.047uF
R308
10K
Ω
1/16W
D315
LL5232B 5.6V 5%
G+
4
VGA_CON
GNDB
4
VCC5V
RXD
6
CLK_DDC
DDC_DAT
6
D316
LL5232B 5.6V 5%
R317
10K
Ω
1/16W
R304
470
Ω
1/16W
D301
BAV99
3
1
2
D309
BAV99
3
1
2
BIN
4
FB304
150 OHM
R316
100
Ω
1/16W
R+
4
VCC5V
C315
0.1uF
FB301
0
Ω
1/16W
C305 0.047uF
D302
BAV99
3
1
2
U301
M24C02WMN6
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
RIN
4
CN301
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
C309 0.047uF
R313
2.2K
Ω
1/16W
D303
BAV99
3
1
2
VCC5V
R307
100
Ω
1/16W
D313
BAV99
3
1
2
FB302
0
Ω
1/16W
R312
100
Ω
1/16W
CLK-
4
D310
BAV99
3
1
2
D305
BAV70
1
2
3
TXD
6
R306
100
Ω
1/16W
D307
BAV99
3
1
2
R320
100
Ω
1/16W
GNDG
4
VCC5V
C314
0.1uF
SOG
4
DVI5V
VSYNC
4
DDC_CLK
6
D317
TZMC5V6-GS08
R305
100
Ω
1/16W
C302
NC
VCC5V
R302
100
Ω
1/16W
R326
75
Ω
1/16W
HSYNC
4
D314
LL5232B 5.6V 5%
R314
10K
Ω
1/16W
R323
10K
Ω
1/16W
R322
100
Ω
1/16W
R311
1K
Ω
1/16W
D322
TZMC5V6-GS08
D321
TZMC5V6-GS08
C312
220pF
C306 0.047uF
R325
75
Ω
1/16W
CLK_DDC2
D320
TZMC5V6-GS08
D304
BAV70
1
2
3
C301
NC
CN302
JACK
1
2
3
4
5
6
7
8
25
28
9
10
11
12
13
14
15
16
26
29
17
18
19
20
21
22
23
24
27
DAT2-
DAT2+
2/4shield
DAT4-
DAT4+
DDC SCL
DDC SDA
VSYNC
R
HSYNC
DAT1-
DAT1+
1/3shield
DAT3-
DAT3+
+5V
SYNC GND
HPD
G
RGB GND
DAT0-
DAT0+
0/5shield
DAT5-
DAT5+
clk shield
clk+
clk-
B
R301
100
Ω
1/16W
C303
NC
B+
4
D319
TZMC5V6-GS08
D308
BAV99
3
1
2
G-
4
DAT_DDC2
C313
0.1uF
C307 0.001uF
C311
33pF
Model
Title
Date
Rev:
ViewSonic Corporation
INPUT
Summary of Contents for VA502mb-1
Page 10: ...7 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 13: ...10 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 14: ...11 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 16: ...PIN Descriptions 13 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 18: ...Block Diagram PIN Function 15 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 38: ...5 7 Packing Procedure 35 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 42: ...39 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 6 Troubleshooting Flow Chart...
Page 43: ...7 Block Diagram 40 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 53: ...9 PCB Layout Diagrams MAIN BOARD 50 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 54: ...POWER BOARD 51 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 56: ...53 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 57: ...AUDIO BOARD 54 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 58: ...KEY BOARD 55 ViewSonic Corporation Confidential Do Not Copy VA502mb 1...
Page 61: ...58 ViewSonic Corporation Confidential Do Not Copy VA502mb 1 Packing for Shipping...