ViewSonic VLCDS27955-1W Service Manual page 29

15” color tft lcd display
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VDD
VDD
C166
R14
10k
0.1UF
DDC5V
J1
V-R
11
1
11
1
6
6
SDA-VGA
V-G
12
2
12
2
7
7
VGA_HSYNC
V-B
13
3
13
3
8
8
VGA_VSYNC
14
4
14
4
DDC5V
9
9
SCL-VGA
15
5
15
5
VGA-CON 4
10
10
DB-15
AGND
ZD5.6V
D9
ZD5.6V/NC
VCC
C167
R27
0.1UF
10K/NC
VGA_VSYNC
D10
ZD5.6V
R33
10K/NC
VGA_HSYNC
ZD5.6V
ViewSonic Corporation
SCL-VGA
SCL-VGA 4
SDA-VGA
SDA-VGA 4
3
3
3
D4
D5
D6
BAV99
BAV99
BAV99
AGND
1
2
FB12
R17
0
75
AGND
1
2
FB13
R21
0
75
D8
AGND
1
2
FB14
R25
0
75
AGND
VGA_VSYNC4
R32
2.2K
C168
1UF/0805
VGA_HSYNC 4
R37
2.2K
D11
Confidential - Do Not Copy
26
SOGI
C44
10nF/NC
#0805
RED+
C45
R15
R16
C46
0.1uF
BEAD 30
33
10p
RED-
C47
R18
0.1uF
AGND
33
GREEN+ 2
C48
R19
R20
C49
33
0.1uF
BEAD 30
10p
GREEN- 2
R22
C50
33
0.1uF
AGND
BLUE+
C51
R23
R24
BEAD 30
C52
33
0.1uF
10p
BLUE-
C53
R26
0.1uF
AGND
33
R28
0/NC
VSYNC_IN
R31
100
C55
NC
HSYNC_IN
R36
300
C58
22pF
VG510b/s
DDC5V
VCC
D2
C154
DAN202U
10uF/16V
C43
0.1uF
R11
R9
R10
4.7k
4.7k
4.7k
R12
1
8
NC
VCC
2
7
100
NC
VCLK
3
6
NC
SCK
4
5
VSS
SDA
2
R13
U5
100
24LC21/SMD/DIP
2
2
2
2
U6
VDD
1
14
A1
VCC
2
13
B1
A6
C56
3
12
A2
B6
0.1uF
4
11
B2
A5
5
10
A3
B5
6
9
B3
A4
7
8
GND
B4
74LVC14
R38
0/NC
Note: All capacitors without specified value
are 85 C type.
All C's not otherwise specified are
50V type.
All resistorwich are not otherwise
specified are 1/6W.
D3
ZD5.6V
D7
SCL-VGA
ZD5.6V
SDA-VGA
PA-VSYNC 2
R29
R30
100
100
C54
NC
PA-HSYNC 2
R34
R35
100
100
C57
NC
MODEL
VG510s / VG510b
VGA Input
PWB-5559
PWB No.
Sheet 1/8
DWG No.
Sep 25-2003
UPDATE
00
REV. Nr
P/R
M/P-

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