Acer AL922, Manual

Page: 67 / 76

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Keyboard Connector
401A78 1B
CTRL/B VL-901,VGA INPUT
C
5 7 Thursday, July 04, 2002
Title
Size Document Number Rev
Date: Sheet of
LCDON
PANEL_VDD
KEY UP
KEY DOWN
KEY RIGHT
KEY LEFT
KEY ONOFF
GND
GND
GND
GND
GND GND
GND GND
GND
+5V
PANEL_VDD
3.3V_DVDD
3.3V_DVDD
3.3V_DVDD
GND
+
C65
NC/47uF
C62
18pF
C54
0.1uF
U8
SI9435_SO8
1
2
3
4
5
6
7
8
S1
S2
S3
G
D1
D2
D3
D4
C55
0.1uF
Q3
2SC2411K
C56
0.1uF
C57
0.1uF
C63
470pF
Q2
2N3906 / NC
B
C
E
R51
470
R52
470
J1
Molex_53261-1090
1
2
3
4
5
6
7
8
9
10
R53
470
R54
470
R60 10K
+
C61
47uF
R72 100
C64
470pF
R56
47K / 4.7K
R74 100
Q1
2N3906 / NC
B
C
E
R59
47K / 4.7K
R73 100
R50
470
R71 100
+
C60
680uF/16V DIP
C53
0.1uF
R75 100
L4 BLM21P300S
R55 NC/820
C58
NC/4.7uF/10V 0805
R57
10K R58 75 / 100
C59
NC/0.1uF
R61 75 / 100
PPWR SHT-4
AUDIO_ON
SHT-4
LED_Y
SHT-4
LED_G
SHT-4
KEY DOWN SHT-4
KEY RIGHT SHT-4
KEY UP
SHT-4
KEY LEFT
SHT-4
KEY ONOFF
SHT-4