ViewSonic VX2000 Service Manual - Page 60
M04-3005f1 Rev.a, Logic, Vx2000
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UPC - 766907539615
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5 4 3 V33 C453 D GH1 C V33 V33 R353 C44 9 3.3V 16 U59A 1 2 3 A B CLR Q 13 Q4 14 CEXT GND 15 REXT/CEXT GHO1 V33 V33 R354 C45 0 8 V33 C454 8 GND 3.3V 16 U59B 9 10 11 A B CLR Q5 Q 12 6 CEXT 7 REXT/CEXT GHO2 GF1 V33 V33 R355 C451 3.3V 16 U60A 1 2 3 A B CLR Q 13 Q4 14 CEXT 15 REXT/CEXT GFO1 V33 V33 R356 C452 3.3V 16 U6 0B 9 10 11 A B CLR Q5 Q 12 6 CEXT GND 7 REXT/CEXT GFO2 8 GND 8 B MAR_SEL 2 +5V U61 1 15 -A/B -OE 2 5 11 14 A1 A2 A3 A4 3 6 10 13 B1 B2 B3 B4 VCC 16 Y1 Y2 Y3 Y4 4 7 9 12 GND 8 C455 GH2 GF2 1 D C B A 5 4 ViewSonic Corporation 3 10-1-11 Confidential - Do Not Copy 2 VX2000 ViewSonic Corporation Title VX2000 Size Document Number B LOGIC Date: Sheet 1 A Rev B 11 of 11 M04-3005F1 REV.A
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2
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1
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B
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M04-3005F1 REV.A
LOGIC
B
VX2000
B
11
11
Title
Size
Document Number
Rev
Date:
Sheet
of
GHO1
GFO1
GHO2
GFO2
GF2
GH2
MAR_SEL
GH1
GF1
V33
V33
V33
V33
V33
V33
V33
V33
+5V
V33
V33
C453
C454
R354
R355
U60A
14
15
1
2
3
13
4
16
8
CEXT
REXT/CEXT
A
B
CLR
Q
Q
3.3V
GND
C451
R356
U60B
6
7
9
10
11
5
12
16
8
CEXT
REXT/CEXT
A
B
CLR
Q
Q
3.3V
GND
C450
U61
1
15
2
5
11
14
3
6
10
13
16
4
7
9
12
8
-A/B
-OE
A1
A2
A3
A4
B1
B2
B3
B4
VCC
Y1
Y2
Y3
Y4
GND
C455
U59B
6
7
9
10
11
5
12
16
8
CEXT
REXT/CEXT
A
B
CLR
Q
Q
3.3V
GND
C452
R353
C449
U59A
14
15
1
2
3
13
4
16
8
CEXT
REXT/CEXT
A
B
CLR
Q
Q
3.3V
GND
ViewSonic Corporation
ViewSonic Corporation
Confidential – Do Not Copy
VX2000
10-1-11