ViewSonic VP171 Service Manual page 74

5
DVI CONNECTOR
JP4
DVI-I
1
RX2-
2
RX2+
3
GND
D
R17 NC
4
RX4-
5 R18 NC
RX4+
SDA IND
6
SCL
SCL IND
7
SDA
8
VS
9
RX1-
10
RX1+
11
GND
DVI_5V
12
RX3-
R22 10K
13
RX3+
DVI_5V
14
5V
15
GND
HOT_PLUG
16
HP
17
RX0-
18
RX0+
19
GND
20
RX5-
21
RX5+
22
GND
23
RXC+
24
RXC-
25
RIN
26
GIN
27
BIN
28 C73
HS
29
GND
NC
C
JP5 D_SUB
1
RIN
2
GIN
3
BIN
4 R27
NC
5
GND
DSUB1_5V
6
GND
7
GND
8
GND
9
5V
10
GND
11 R31
NC
12
SDA
13
HS
14
VS
15
SCL
B
JP6 D_SUB
1
RIN
2
GIN
3
BIN
4 R50
NC
5
GND
DSUB2_5V
6
GND
7
GND
8
GND
9
5V
10
GND
R55
11
NC
12
SDA
13
HS
14
VS
15
SCL
A
R136
R137 0
5
4
RX2- 3
R15 R16
RX2+ 3
2.2K 2.2K
ISP_SDA 3
R19 100
ISP_SCL 3
R20 100
RX1- 3
RX1+ 3
RX0- 3
RX0+ 3
RXC+ 3
RXC- 3
C74
3.3V_DVDD
NC
R24
10K
RIN1
GIN1
BIN1
0
ISP_SDA 3
R29 0
DSUB1
R30
NC
0
ISP_SCL
SDA_IN1
SDA_IN1 6
HS_DSUB1
HS_DSUB1
VS_DSUB1 6
VS_DSUB1 6
SCL_IN1
SCL_IN1 6
3.3V_DVDD
RIN2
GIN2
BIN2
0 R51
10K
R53 0
DSUB2
R54
NC
0
SDA_IN2
SDA_IN2
HS_DSUB2 6
HS_DSUB2 6
VS_DSUB2
VS_DSUB2
SCL_IN2 6
SCL_IN2 6
0
4
ViewSonic Corporation
3
DVI_5V
D2
DVI_5V BAV70 +5V
SOT23
2 1
3
C55 C56
0.1u 0.1u
U7
1 8
NC VCC
R21 NC
2 7
NC WP
3 6
NC SCL DDCSCL2
4 5
DDCSDA2
GND SDA
24LC21A C69 R23 NC
0.1u
R25
NC
R26 NC
R28
NC
3
MUX_SEL
3,6
3
+5V
U8
RIN2
1
IN0A
2
DGND
GIN2
3
IN1A
4
GND
BIN2
5
IN2A
6
VCC
7
VEE
BIN1
8
IN2B
9
GND
GIN1
10
IN1B
11
GND
RIN1 12
IN0B
NC/AD8183
R44 R45 R46 R47 R48 R49
75 75 75 75 75 75
3
AGND
3
69
Confidential – Do Not Copy
2
DVI_5V 3
C58
0.1uF
+5V
C63 C67
3
3
10uF/25V 0.1uF
+5V
MUX_R
MUX_G
MUX_B
MUX_SEL
Switch_enable 3
R138
NC
24
VCC
23
OE
22
SELA/B
21
VCC R34 75
20
OUT0
19
VEE R35 75
18
OUT1
17
R37 75
VCC
16
OUT2
15
VEE
14
DVCC
13 R39 R40 R41
VCC
3.3K 3.3K 3.3K
-5VA
2
VP171/s/b-1
1
+5V
U6
C59 C57
1 8
BOOST V+
10uF/25V
2 7 0.1uF
CAP+ OSC
3 6
GND LV
-5VA
4 5
CAP- Vout
ICL7660S C60 C62
For AD8183 VCC 100uF/16V 0.1uF
C64 C65 C68
0.01uF 0.01uF 0.01uF
-5VA
C71 C72
0.01uF 0.01uF
For AD8183 VEE
C70
0.1uF
For AD8183 DVCC
R32 C75 0.01uF
MUX_R 0
RED+ 3
R33 100 C76 0.01uF
RED- 3
R36 0 C77 0.01uF
MUX_G
GREEN+ 3
R38 100 C78 0.01uF
GREEN- 3
R42 0 C79 0.01uF
MUX_B
BLUE+ 3
R43 100 C80 0.01uF
BLUE- 3
R52
NC
AGND
Title
INPUT CONNECTOR & MUX
Size Document Number
VP171/s/b
Date: Thursday, May 22, 2003 Sheet
1
D
C
B
A
Rev