ViewSonic VA502mb-1 Service Manual page 47

VAD VPLL
U401
63
3 RIN
RIN0
62
3 GNDR
RIN0M
60
3 GIN
GIN0
59
3 GNDG
GIN0M
61
3 SOG
SOGIN0
58
3 BIN
BIN0
57
3 GNDB
BIN0M
37
3 HSYNC
HSYNC0
38
3 VSYNC
VSYNC0
29
DDC1_CLK/GPO8
28
DDC1_DAT/GPO7
40
3 R+
R+
41
3 R-
R-
43
3 G+
G+
44
3 G-
G-
46
3 B+
B+
47
3 B-
B-
49
3 CLK+
CK+
50
3 CLK-
CK-
52
VDVI
REXT
R403 390Ω 1/16W
66
REFP
C401
0.1uF 67
REFM
69
6 CSZ
CSZ
71
6 SCL
SCL
70
6 SDA
SDA
32
6 HWRESET
HWRESETZ
72
6 INT
INT
73
2 AdjBACKLITE PWM0
74
6 Volume
PWM1
C402 22pF 33
XIN
X401
14.318MHz
34
XOUT
C403 22pF
C404 0.1uF 3
BYPASS
2
AVSS_LPLL
ViewSonic Corporation
2
VDVI VDPLL VPO VDD
PA0
102
LVA3P
103 PA1
LVA3M
PA2
106
LVACKP
PA3
107
LVACKM
108 PA4
LVA2P
PA5
109
LVA2M
110 PA6
LVA1P
PA7
111
LVA1M
PA8
112
LVA0P
113 PA9
LVA0M
PB0
118
NC/LVB3P
119 PB1
NC/LVB3M
PB2
120
NC/LVBCKP
121 PB3
NC/LVBCKM
PB4
122
NC/LVB2P
PB5
123
NC/LVB2M
124 PB6
NC/LVB1P
PB7
125
NC/LVB1M
128 PB8
NC/LVB0P
PB9
1
NC/LVB0M
TSU16AK
VCC5V
R407
10KΩ 1/16W
10KΩ 1/16W
30
ADO/NC
77
AD1/NC
78
AD2/NC
31
AD3/NC
6
BUS TYPE/NC
44
Confidential - Do Not Copy
VCC3.3 FB401 VPO
VCC3.3
600 OHM
C405
+
10uF/16V
C406 C407 C408 C409
0.1uF 0.1uF 0.1uF 0.1uF
PA[0..9]
PA[0..9] 5
PB[0..9]
PB[0..9] 5
R405 R404 R406
10KΩ 1/16W
10KΩ 1/16W
VCC3.3
AD0 6
AD1 6
R402
AD2 6
AD3 6
100Ω 1/16W
R401
NC
R401 R402
Direct Bus 4.7K
NC
4.7K NC
3-WIRE
VA502mb-1
VCC2.5 FB402
2 VCC2.5
600 OHM
10uF/16V
C410 C411 C412 C413
0.1uF 0.1uF 0.1uF 0.1uF
VAA1 FB403
2 VAA1
600 OHM
VAA2
2 VAA2
600 OHM
VAA3
2 VAA3
600 OHM
VAA4
2 VAA4
600 OHM
VDD
C414
+
C415 C416 C417 C418
0.1uF 0.1uF 0.1uF 0.1uF
VAD
C419
+
10uF/16V
C420 C421
0.1uF 0.1uF
FB404 VPLL
C422
+
10uF/16V
C423
0.1uF
FB405 VDVI
C424
+
10uF/16V
C425 C426
0.1uF 0.1uF
FB406 VDPLL
C427
+
10uF/16V
C428
0.1uF
ViewSonic Corporation
Model
Title
SCALER
Date Rev: