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Acer AT2002 Service Manual page 71

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5
VGA connector
D
11
1
6
GSDA
12
2
7
VGA_HS
13
3
8
VGA_VS
14
4
9
GSCL
15
5
10
CN2
D-SUB 15P
GND
C
ZD1
ZD2
C21
NC/9V
NC/9V
0.1uF/6
GND
PC5V
D5
BAT54
1
C23
0.1uF/6
GND
GSCL
B
GSDA
C26
ZD5
C27
ZD6
NC/22P/6
NC/9V
NC/22P/6
NC/9V
GND
GND
A
5
4
+5V_IN
D1
NC/BAV99L
FB1
BEAD/6
GND
RIN
FB2
BEAD/6
G IN
FB3
BEAD/6
B IN
PC5V
D4
R28
100R/6
1
2
1N4148
R29
2
R30
2
R31
NC/ 0R/6
+5VB
2
C22
R37
R38
0.1uF/6
10K/6
10K/6
GND
R39
47R/6
R42
47R/6
4
3
D2
D3
NC/BAV99L
NC/BAV99L
3
3
3
V-PC_R1
R22
2
V-PC_G1
R23
2
V-PC_B1
R24
2
75-ohm terminating resistor
very close to the VGA
conn.
GND
VGA_DET
VGA_DET
3
47R/6
1
47R/6
1
C19
C20
NC/47P
NC/47P
R35
NC/ 0R/6
GND
2 to 1 SW
8
1
VCC
A0
7
2
WP
A1
CN3
6
3
SCL
A2
HCH-PPJ-35D
5
4
SDA
VSS
U2
AT24C02A
GND
I2C Address: 1010 000x
PC AUDIO IN
R45
100R/6
R46
4.7K/6
R47
NC/ 0R/6
R48
Q1
2
2
2N7002E
100R/6
GND
3
2
20R/6
V-PC_R
C9
0.1uF/6
1
A1
20R/6
V-PC_G
C10
0.1uF/6
1
B1
20R/6
V-PC_B
C11
0.1uF/6
1
C1
1
2
3
U1A
U1B
74LCX14MX
74LCX14MX
R34
NC/ 0R/6
5
6
9
U1C
U1D
74LCX14MX
74LCX14MX
R36
NC/ 0R/6
1
LINE_R_IN
5
4
3
LINE_L_IN
2
ZD3
C24
ZD4
1000pF/6
NC/9V
NC/9V
S-EDID
H: EDID FLASH ENABLE
L: EDID FLASH DISABLE
1
S-EDID
3
Title
VGA INPUT
VGA_SDA
3
Size
Document Number
VGA_SCL
3
Date:
Monday, June 26, 2006
2
1
3
3
3
+3.3V_COM
4
A_VS
3
+3.3V_COM
8
A_HS
3
R40
33K/6
A-VGA_R
6
R41
33K/6
A-VGA_L
6
C25
1000pF/6
R43
R44
47K/6
47K/6
AGND
AT2002 ,20" TV
R e v
HUDSON PLATFORM
SCHEMATIC1
Sheet
2
o f
8
1
D
C
B
A
B3C

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