ViewSonic VA1703w-1 Service Manual page 46

U7
59
RIN
RIN0P
4
58
GNDR
RIN0N
4
56
GIN
GIN0P
4 55
GNDG
GIN0N
4 57
SOG
SOGIN0
4
54
BIN
BIN0P
4
53
GNDB
BIN0N
4
63
HSYNC
HSYNC0
4
64
VSYNC
VSYNC0
4
65
DDCA_SDA
DDCA_SDA
4
66
DDCA_SCL
DDCA_SCL
4
39
R+ RX2P
4
40
R- RX2N
4
42
G+ RX1P
4
43
G- RX1N
4
45
B+ RX0P
4
46
B- RX0N
4
48
CLK+
RXCKP
4 49
CLK-
RXCKN
4 36
DDCD_SDA
DDCD_SDA
4 37
DDCD_SCL
DDCD_SCL
4
51
AVDD
REXT
R74 390 1%
62
REFP
C81
0.1uF
61
REFM
VCC3.3
U8
+5V 8 2 70
VDD SDO SDO
NC/AAT3520-IGY C82
7 1 71
HOLD# CE# SCZ
3 6 72
WP# SCK SCK
0.1uF
4 5 73
VSS SDI SDI
U9 C83
10uF/16V SST25VH010
19
RST
Option for ESD
R75 C84
R76
10K 0.22uF C85 22pF 22
32
XIN
X1
R77
22 33
XOUT
C93 22pF
14.318MHZ-20p
VCC3.3
R80 NC
102
MODE[0]
R83 NC
104
MODE[1]
R87 R88
10K 10K
4
BYPASS
C95
0.1uF
ViewSonic Corporation
VDVI VMPLL VPLL AVDD VDDP VDDC
R73
NC
C61
0.1uF
11
VCTRL
PA0
107
NC/LVACKP
PA1
108
NC/LVACKM
PA2
109
RA1P/LVA2P
PA3
110
RA1N/LVA2M
PA4
111
RA2P/LVA1P
PA5
112
RA2N/LVA1M
PA6
113
RA3P/LVA0P
PA7
114
RA3N/LVA0M
PA8
98
GA1P/NC
PA9
99
GA1N/NC
PA10
100
GA2P/NC
PA11
101
GA2N/NC
PA12
105
GA3P/LVA3P
PA13
106
GA3N/LVA3M
PA14
89
BA1P/NC
PA15
90
BA1N/NC
PA16
91
BA2P/NC
PA17
92
BA2N/NC
PA18
93
BA3P/NC
PA19
94
BA3N/NC
PB0
9
RB1P/NC
PB1
10
RB1N/NC
PB2
15
RB2P/NC
PB3
16
RB2N/NC
PB4
17
RB3P/NC
PB5
18
RB3N/NC
PB6
2
GB1P/NC
PB7
3
GB1N/NC
PB8
5
GB2P/NC
PB9
6
GB2N/NC
PB10
7
GB3P/NC
PB11
8
GB3N/NC
PB12
118
CLKAP/LVB3P
PB13
119
CLKAN/LVB3M
PB14
120
CLKBP/LVBCKP
PB15
121
CLKBN/LVBCKM
PB16
122
NC/LVB2P
PB17
123
TSUM57AK NC/LVB2M
PB18
124
BB1P/LVB1P
PB19
125
BB1N/LVB1M
PB20
126
BB2P/LVB0P
PB21
127
BB2N/LVB0M
PB22
128
BB3P/NC
PB23
1
BB3N/NC
ESP
80
ESP
OSP
81
OSP
GPO0
88
GPO0
GPO1
87
GPO1
GPO2
86
GPO2
85 GPO3
GPO3
GPO4
84
GPO4
83
GPO5
82
GPO6
75
GPIO_P22
74
GPIO_P23
R78
26
GPIO_P03
R79
35
GPIO_P16
69
GPIO_P15
78
PWM2/GPIO_P24
79
GPIO_P27/PWM1
20
GPIO_P12
21
PWM1/GPIO_P25
22
GPIO_P17/SAR0
R90
23
GPIO_P00/SAR1
R92
24
GPIO_P01/SAR2
R93
25
GPIO_P02/SAR3
R95
27
GPIO_P06
R96
28
GPIO_P07
29
PWM0/GPIO_P26
30
GPIO_P13
31
GPIO_P14
77
DDCROM_SCL
76
DDCROM_SDA
43
Confidential - Do Not Copy VA1703w-1_VA1703wb-1
VCC1.8
3
VCC3.3
3,4
VCTRL +5V
2..4 3
P[0..7]
PA[0..7]
6
PA[8..13]
PA[8..13]
6
PA[14..19]
PA[14..19]
6
PB[0..5]
PB[0..5]
6
PB[6..11]
PB[6..11]
6
PB[12..23]
PB[12..23]
6
ESP 6
OSP
6
GPO[0..4]
GPO[0..4]
6
+5V
DET_DVI
100 MINUS
100 PLUS
DET_VGA
R84
on_PANEL 3
10K
on_BACKLIGHT
adj_BACKLIGHT
R89
100 MENU
100 AUTO
100 POWER C94
4K7
4K7
Volume
2
AUDIO_MUTE
2
AUDIO_STBY
2
VCC3.3
C96
R97 R98 0.1uF
U10 24C16
10K 10K
8 1
VCC A0
7 2
WP A1
R99 100
6 3
SCL A2
R100 100
5 4
SDA GND
VCC3.3
VCC1.8 FB11 VDDC
VCC1.8
VCC3.3
600 OHM
+5V
C62
+
4.7uF/16V
C63 C64 C65
0.1uF 0.1uF 0.1uF
VCC3.3 FB13 VDVI VCC3.3 FB14
600 OHM 600 OHM
C72 C73
+
10uF/16V 10uF/16V
C75 C76
0.1uF 0.1uF
VCC3.3 FB16 AVDD
600 OHM
C79 +
10uF/16V
AUTO
C80 MENU
0.1uF POWER
PLUS
LED_A
LED_G
C86 C87 C88
0.1uF 0.1uF 0.1uF
+5V
4
+5V
R81
4
10K
R85 R86
3
3 10K 470
B
20K PMBS3906
E
Q9
B
0.1uF PMBS3906
C
R94 470 LED_G
FB10
VDDP
600 OHM
FB12
600 OHM
+
C66
10uF/16V
C67 C68 C69 C70 C71
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
VPLL VCC3.3 FB15 VMPLL
600 OHM
C74
+ +
10uF/16V
C77 C78
0.1uF 0.1uF
CN5
SPL
2 SPL
1
2
3
4
5
6
MINUS
7
8
9
10
11
2 SPR
12
SPR
KBD2
C89 C90 C91 C92
0.1uF 0.1uF 0.1uF 0.1uF
R82
470
E
Q8
C
R91 470 LED_A
ViewSonic Corporation
Model
Title
SCALER
Date Rev: