ViewSonic VP191b-1 Service Manual page 74

DVI CONNECTOR
JP4
DVI-I
1
RX2-
RX2-
2
RX2+ RX2+
3
GND
4 R17 NC
RX4- ISP_SDA
5 R18 NC
ISP_SCL
RX4+
6 SDA IND
SCL
SCL IND
7
SDA
8
VS
9
RX1- RX1-
10
RX1+ RX1+
11
GND
DVI_5V
12
RX3-
R22 10K
13
RX3+
14 DVI_5V
5V
15
GND
16 HOT_PLUG
HP
17
RX0- RX0-
18
RX0+
RX0+
19
GND
20
RX5-
21
RX5+
22
GND
23
RXC+
RXC+
24
RXC- RXC-
25
RIN
26
GIN
27
BIN
C73 C74
28
HS
29
GND
NC NC
JP5 D_SUB
RIN1
1
RIN
GIN1
2
GIN
3 BIN1
BIN
0
4 R27
NC
5
GND
DSUB1_5V
6
GND
7
GND
8
GND
9
5V
10
GND
0
11 R31
NC
SDA_IN1
12
SDA
HS_DSUB1
13
HS
14 VS_DSUB1
VS
SCL_IN1
15
SCL
R136 NC
R136.50
0
0
JP6 D_SUB R136.50
RIN2
1
RIN
GIN2
2
GIN
3 BIN2
BIN
NC
4 R50
NC
5
GND
DSUB2_5V
6
GND
R53
7
GND
8
GND
9 R54
5V
10
NC
GND
NC
11 R55
NC
SDA_IN2
12
SDA
HS_DSUB2
13
HS
14 VS_DSUB2
VS
15
SCL
R137.55 R137.55
0 0
R137 NC
ViewSonic Corporation
DVI_5V
3
R15 R16
3
2.2K 2.2K
3
R19 100
3
R20 100
3
U7
3
1
NC VCC
2
NC WP
3
NC SCL
4
GND SDA
24LC21A
3
3
3
3
3.3V_DVDD
R24
10K
ISP_SDA 3
R29 0
DSUB1 3
R30
NC
ISP_SCL 3
SDA_IN1 6
HS_DSUB1
6
VS_DSUB1 6
SCL_IN1 6
RIN2
GIN2
BIN2
BIN1
GIN1
RIN1
3.3V_DVDD
R44 R45
R51 75 75
10K
0
DSUB2 3
AGND
SDA_IN2
6
HS_DSUB2 6
VS_DSUB2
6
SCL_IN2 6
Confidential - Do Not Copy
71
DVI_5V
DVI_5V 3
D2
BAV70 +5V
SOT23
2 1
3
C55 C56
0.1u 0.1u
8
R21 NC
7
6
DDCSCL2 3
5
DDCSDA2 3
C69 R23 NC
0.1u
R25
MUX_R
NC
R26 NC
MUX_G
R28
MUX_B
NC
MUX_SEL
MUX_SEL
3,6
+5V
U8
1 24
IN0A VCC
2 23
DGND OE
3 22
IN1A SELA/B
4 21
GND VCC
5 20
IN2A OUT0
6 19
VCC VEE
7 18
VEE OUT1
8 17
IN2B VCC
9 16
GND OUT2
10 15
IN1B VEE
11 14
GND DVCC
12 13
IN0B VCC
-5VA
NC/AD8183
R46 R47 R48 R49
75 75 75 75
VP191b/s
C59
10uF/25V
C58
0.1uF
+5V
For AD8183 VCC
C63 C67 C64 C65
10uF/25V 0.1uF 0.01uF 0.01uF
+5V
C70
0.1uF
For AD8183 DVCC
Switch_enable 3
R138
NC
R32
MUX_R 0
R33 100
R34 75
R35 75 R36 0
MUX_G
R37 75
R38 100
R39 R40 R41
R42 0
MUX_B
3.3K 3.3K 3.3K
R43 100
AGND
Title
Size Document Number
Date: Tuesday, October 12, 2004
+5V
U6
C57
1 8
BOOST V+
0.1uF
2 7
CAP+ OSC
3 6
GND LV
-5VA
4 5
CAP- Vout
ICL7660S C60 C62
100uF/16V 0.1uF
C68
0.01uF
-5VA
C71 C72
0.01uF 0.01uF
For AD8183 VEE
C75 0.01uF
RED+ 3
C76 0.01uF
RED- 3
C77 0.01uF
GREEN+ 3
C78 0.01uF
GREEN- 3
C79 0.01uF
BLUE+ 3
C80 0.01uF
BLUE- 3
R52
NC
INPUT CONNECTOR & MUX
Rev
C
VP191 for FJ-11AA
2
Sheet of 6