Acer AL707 - Page 45

2
GND
PS3
R340
0
+5V
SCL
STDBY
R300
10 K
MFB9
C306
33 pF
R319
1
2
1
2
GND
+5V
STDBY
GND
R333
2 K
GND
C953
CAP(OP)
HCLK
BKLT ADJ
STDBY
TXD
+A5V
C313
22 uF
SDA
GND
Q201
MMBT3904(OP)
1
2 3
K/E Select
R431
10 K(OP)
R311
10 K
/BKLT-ON
C303
33 pF
GND
RXD
(Panel-Select)*
GND
+5V
R323
0 (OP)
R401
0(OP)
JP303
R
R235
4.7K(OP)
GND
R315
10 K
R329
10 K
C305
100uF
MUTE
U300
24LC04B
5
6
7
8
1
2
3
4
SI
SCK
WP
VCC
A0
A1
A2
VSS
MFB8
C944
0.1 uF
D301
1N4148
A C
GND
R402
1K(OP)
R341
TEST(OP)
+5V
+5V
CN303
HEADER 5
1
2
3
4
5
C316
22 uF
R302
10 K
715L820-2-2
A
MICRO CONTROLLER
ACER Electronics Co., Ltd.
B
36 Monday, October 21, 2002
Title
Size Document Number Rev
Date: Sheet
of
C954 1000PF(OP)
GND
Q304
MMBT3904
1
2 3
JP302
R(OP)
+A5V
GND
C955 1000P(OP)
C304
0.1 uF
R301
10 K
SDA
+12V
MFB7
VOL
PS3
C300
0.1 uF
CN304
HEADER 6
1
2
3
4
5
6
+5V
+5V
+12V
R328
10 K
RST
+5V
BKLT-PWM
C401
100uF(OP)
R303
4.7K
R238 0(OP)
GND
VR501
10 K
W
R237 0(OP)
+5V
+5V
CN302
HEADER 9
1
2
3
4
5
6
7
8
9
HDATA0
GND
SCL
R239
4.7K(OP)
GND
HFS
R321
0 (OP)
R313
10 K
U302 8XC51/PLCC
35
2
3
4
5
6
7
8
9
44
22
24
25
26
27
28
29
30
31
32
33
36
37
38
39
40
41
42
43
1 12 23 34
20
21
10
11
13
14
15
16
17
18
19
EA/VP
T2/P1.0
T2EX/P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
VCC
GND
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
ALE/PROG
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
NC NC NC NC
XTAL2
XTAL1
RST
RXD/P3.0
TXD/P3.1
INT0/P3.2
INT1/P3.3
TO/P3.4
T1/P3.5
WR/P3.6
RD/P3.7
+12V
BKLT-PWM
GND
VOL
RST
R325
0 (OP)
KEY
C403
100uF
IRQ
GND
KEY2(GREEN?)
C951
CAP(OP)
MFB2
RP301
4.7K Ohm
18
27
36
45
GND
CP301
1000 pF
1
5 6 8
4 3 27
R236 10 K(OP)
CP302
1000 pF
1
5 6 8
4 3 27
R403
4.7K(OP)
+5V
/VGA_CON
MUTE
RST1
PW5V-ON
GND
MUTE
KEY1(ORANGE?)
/BKLT-ON
X300
20MHz
MCU Block