ViewSonic VX2000 Service Manual - Page 51

VX2000

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5 4 3 2 1 +5V +5VESD V33 V33 C43 8 V33 13 R13 C35 D2 D3 2 2 4 U5 0B U50D 12 11 C34 D 3 3 5 6 V33 D 1 1 1 U50 A 2 3 V33 R272 10 R16 R18 +5VESD U50 C R273 9 8 D4 D5 2 2 R20 R1 9 C45 9 3 3 2 D6 C40 C41 3 C 1 1 1 JR4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 VGA5V FB1 1 1 2 FB1 2 1 2 FB1 3 1 2 R209 ADDCSDA ADDCSCL VGA_DET R26 R27 ADDCSCL ADDCSDA R22 R31 0 R25 R28 R210 B +5VESD C44 R29 2 D7 C458 3 2 1 D8 3 R30 U8 7 3 2 1 VCLK NC2 NC1 NC0 D9 +5V 1 VCC SDA SCL GND 8 5 6 4 2 BIN GIN RIN VGA5V AHIN0 C39 7 C39 8 AVIN0 L R R288 R289 C42 7 3+ 2- R290 4 8 +5V +18_12V R300 R299 +18_12V R297 U56 A R291 Q8 1 1 2 R292 C44 7 R295 13 R301 C428 + R293 R294 5+ 6- 2 R296 4 8 C42 9 R325 JAU U56B R324 C 7 R298 B 1 R31 3 U9 16 VCC -A/B -OE 1 15 VEDIDEN +5V V33 A DSCL DSDA 4 7 9 12 Y1 Y2 Y3 Y4 8 GND A1 A2 A3 A4 2 5 11 14 B1 B2 B3 B4 3 6 10 13 R32 TXD R359 R33 R34 RXD ViewSonic Corporation Title Size B Date: VX2000 Document Number DSUB INPUT Sheet A Rev B 2 of 11 M04-3005F1 REV.A 5 4 3 2 1 ViewSonic Corporation 10-1-2 Confidential - Do Not Copy VX2000

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5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
M04-3005F1 REV.A
DSUB INPUT
B
VX2000
B
2
11
Title
Size
Document Number
Rev
Date:
Sheet
of
ADDCSDA
ADDCSCL
VGA5V
VGA5V
L
R
VEDIDEN
GIN
BIN
RIN
ADDCSDA
ADDCSCL
DSCL
DSDA
VGA_DET
TXD
RXD
AVIN0
AHIN0
JAU
+5VESD
+5VESD
+5VESD
+5V
V33
+5V
V33
V33
V33
V33
V33
+5V
+18_12V
+18_12V
+5V
FB1 1
1
2
R25
FB1 2
1
2
FB1 3
1
2
D9
2
3
1
C40
JR4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
U9
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
U50D
12
11
13
R30
U50B
5
6
4
R301
D6
1
3
2
R31
R209
R359
D2
1
3
2
C459
C35
R16
R210
C41
R33
+
-
U56A
3
2
1
8
4
D3
1
3
2
R300
+
-
U56B
5
6
7
8
4
D7
1
3
2
R273
Q8
1
3
2
R13
D8
1
3
2
R289
R288
D4
1
3
2
R18
R292
U50A
2
3
1
R299
C397
R295
C398
D5
1
3
2
R28
R296
U50C
9
8
10
R294
R1 9
R290
R291
R32
R27
R293
R298
R29
R26
R325
R34
R324
R31 0
C447
C44
U8
8
5
6
4
7
3
2
1
VCC
SDA
SCL
GND
VCLK
NC2
NC1
NC0
C458
R272
R20
C427
+
C428
1
2
R297
C429
C34
R22
C438
ViewSonic Corporation
ViewSonic Corporation
Confidential – Do Not Copy
VX2000
10-1-2