Schematic Diagrams - ViewSonic VP2330WB - 23" LCD Monitor Service Manual

10. Schematic Diagrams

1 2
VGA_5V
3
U2 24AA02
R23
1 8
A0 VCC
2 7 100R
A1 WP
3 6
A2 SCL
4 5
GND SDA
R30
VGA_SCL 100R
VGA_SDA
+5V
+5V +5V
D23 D24 D9
DAN217K/NC DAN217K/NC DAN217K/NC
VGA_HS VGA_VS
3 3 3
DVI_SCL R184
DVI_SDA
R185
CN2
25
RX2-
1
RX2-
RX2+
2
RX2+
3
GND
4
RX4-
5
RX4+
DVISCL R44
6
SCL
7 DVISDA R45
SDA
DVI_VS
8
VS
R210 10K
RX1-
9
RX1-
RX1+
10
RX1+
11
GND
DVI_5V
12
RX3-
13
RX3+
14
5V
15
GND
16 R54 10K
HP
RX0-
17
RX0- 5
RX0-
RX0+
18
RX0+ RX0+ 5
19
GND
20
RX5-
21
RX5+
22
GND
RXC+
23
RXC+ 5
RXC+
RXC-
24
RXC- 5
RXC-
DVI_RED+
C1
RED
DVI_GREEN+
C2
GRN
DVI_BLUE+
C3
BLU
DVI_HS
C4
HS
C5
GND
26
DVI-I
+5V +5V +5V
D11 D12 D13
DAN217K/NC DAN217K/NC DAN217K/NC
DVISCL
3 DVISDA 3 3 DVI_HS
ViewSonic Corporation
+5V
R25
100K(NC)
CN1
VGASCL
15 5
R24 0R
10
VGA_CAB 5
VGA_VS
14 4
9
VGA_5V
VGA_HS VGA_BLUE+
13 3
8
VGASDA VGA_GREEN+
12 2
7
VGA_RED+
11 1
6
DB15 HD
+5V
+5V
D10 D1
DAN217K/NC DAN217K/NC
VGASCL
VGASDA VGA_BLUE+
3 3
0R(NC) DSCL
1 2
DVI_5V +5V
3
DSDA
0R(NC)
DDCD_5V
RX2- 5
RX2+ 5
U5
DSCL
12
X0
DVI_SCL ASCL
100R
14 13
X X1
DVI_SDA
100R 15
Y
DSDA
2
Y0
ASDA
4 1
Z Y1
RX1- 5
5
RX1+ 5 Z0
3
Z1
6
INH
R51 10K R55
7 11
DVI_CAB 5
VEE A
0R
10
B
8 9
GND C
R56 74HCT4053
R57
100K
100K
+5V
+5V
+5V
D6 D7 D8
DAN217K/NC DAN217K/NC DAN217K/NC
DVI_GREEN+ DVI_BLUE+ DVI_RED+
3 3 3
+5V +5V +5V +5V
+5V +5V
D14 D15 D16 D17 D18 D19
DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC DAN217K/NC
DVI_VS RXC- RX2+ RX2- RX1+
3 3 RXC+ 3 3 3 3
Confidential - Do Not Copy
61
C189 22u
DVI_BLUE+ C9 0.1u
DVI_GREEN+ C11 0.1u
C190 22u
DVI_RED+ C14 0.1u
VGA_RED+
C192 22u
VGA_GREEN+
VGA_BLUE+
+5V +5V
D2 D3
DAN217K/NC DAN217K/NC
VGA_GREEN+ VGA_RED+
3 3
DDCD_5V
VGA_SCL R35
VGA_SDA
R36
ASCL
ASDA
U4
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
24AA02
DDCD_5V
VGA_SCL
VGA_SDA
DSCL R52 22R
DSCL_1 5
DSDA
R53 22R
DSDA_1 5
U6
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
24AA02
VGA_HS R211 0R
DVI_HS
R212 0R
VGA_VS R213 0R
DVI_VS
R214 0R
EDID_SEL 5
A/D_SEL
+5V +5V
+5V
D20 D21 D22
DAN217K/NC DAN217K/NC DAN217K/NC
RX1- RX0+
3 3 3 RX0-
VP2330wb
U1 AD8186
1
IN0A VCC
2
DGND OE
3
IN1A SEL A/B
4
VREF VCC
5
IN2A OUT 0
C191 22u
6
VCC VEE
7
VEE OUT 1
C13 0.1u
8
IN2B VCC
9
VEE OUT 2
C18 0.1u
10
IN1B VEE
11
VEE DVCC
C193 22u
12
IN0B VCC
C20 0.1u
C194 22u
L21 L22 L24
DVI_BLUE+
VGA_BLUE+
+5V
DVI_GREEN+
U3
RXD VGA_GREEN+
12
X0 RXD 5
22R DDC_SCL
14 13
X X1 DDC_SCL 5
22R
15
Y
VGA_RED+
2 TXD
Y0 TXD 5
DDC_SDA
4 1
Z Y1 DDC_SDA 5
DVI_RED+
5
Z0
3
Z1
Swap Pin 2 & Pin12
6
INH
7 11
VEE A
10
B
R43 0R
8 9
DEBUG 5
GND C
74HCT4053 R47
R37 0R(NC) DDC_SCL
100K
DDC_SDA
R38 0R(NC)
+5V
HS R58 20R
1
C26
0.1u R60 C213
33P
U22 510R
VGA_HS_C
12
X0
DVI_HS_C
13 14
X1 X
15
Y
VGA_VS_C
2
Y0
DVI_VS_C
1 4
Y1 Z
5
Z0
3
Z1
6
INH
VS R61 20R
11 7 5
A VEE
10
B
9 8 R65
C GND
C212
74HCT4053
33P
R59 R187 510R
0R 100K
VGA_HS R41 0R(NC) HS
DVI_HS
R46 0R(NC)
VGA_VS
R42 0R(NC) VS
DVI_VS R48 0R(NC)
BK2125HS102/8
L19
+5V
L27
R14
24
0R
23
A/D_SEL
22
A/D_SEL 5
21
20
BLUE 5
19
18
GREEN 5
17
SOG 5
16
RED 5
15
14
13
L31 L33 L34
BLUE
R1 0R(NC)
R10 0R(NC)
R2 0R(NC) GREEN
R11 0R(NC)
RED
R13 0R(NC)
R3 0R(NC)
+3.3V
2 3 4
AHS 5
U7A U7B
74LCX14MX/NC 74LCX14MX/NC
+3.3V
R182 0R
+3.3V
6 9 8
AVS 5
U7C U7D
74LCX14MX/NC 74LCX14MX/NC
R183 0R
ViewSonic Corporation
Model INPUT
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