Acer AL732 Service-Handbuch - Seite 34
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RDn
CS0n
V33
V33
V33
V33
R45
R46
R47
R48
10K
10K
10K
10K
VCC
R56
330
R58
33R
R60
1K
C
B
Q1
LED2
E
2N3904
CN1
WAFE-10PIN-1.5MM-90@
1
2
3
4
5
6
7
8
9
10
月
日修改
10
15
IRRCVR
VCC
1.AUTO
2.LED O
3.LED G
4.MENU
5.UP
6.DOWN-
7.Power
8.GND
9.IRRCVR
10.VCC
PROVIEW KEY PAD --OK
V33
C59
0.1uF
V33
V33
V33
V33
R49
R50
R51
R52
U7 74LVC541A
10K
10K
10K
10K
1
OE1
VCC
19
OE2
O0
POWER
2
I0
O1
AUTO
3
I1
O2
MENU
4
I2
O3
RIGHT
5
I3
O4
LEFT
6
I4
O5
7
I5
O6
8
I6
O7
9
I7
GND
Input Buffer
VCC
R57
330
LED_O
LED_G
R59
33R
R61
1K
C
B
Q2
LED1
E
2N3904
RP1
33X4
8
1
MENU
7
2
RIGHT
LEFT
6
3
5
4
POWER
C62
C63
C64
C65
C66
C67
C68
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
ROMOEn
ROMWEn
RESETn
R44
V33
20
D0
18
17
D2
D4
16
15
D6
D1
14
13
D3
12
D5
D7
11
10
D[15:0]
A[19:1]
V33
R62
10K
RESETn
C61
10uF/16V_EC4D(NC)
LED_G
LED_O
AUTO
月
日修改
10
09
R32
0
V33
U6
EN29LV800T-90
C58
0.1uF
26
13
CE
VPP
28
OE
11
37
WE
VCC
12
WPn
RP
100K
14
WP
47
29
D0
BYTE
D1
31
D1
D2
A1
25
33
D2
A0
D3
A2
24
35
D3
A1
D4
A3
23
38
D4
A2
D5
A4
22
40
D5
A3
D6
A5
21
42
D6
A4
D7
A6
20
44
D7
A5
D8
A7
19
30
D8
A6
D9
A8
18
32
D9
A7
D10
A9
8
34
D10
A8
D11
A10
7
36
D11
A9
D12
A11
6
39
D12
A10
D13
A12
5
41
D13
A11
D14
A13
4
43
D14
A12
D15
A14
3
45
D15
A13
D16
A15
2
A14
A16
1
V33
A15
A17
48
46
A16
GND1
A18
17
27
A17
GND2
A19
16
C60
A18
0.1uF
ROM
FCEn
R55
100K
50 mil, Male 30X2, PromJet
V33
ROMOEn
R63
3.3K
JP1
HDR_RA30X2
A2
A1
1
2
A4
A3
3
4
A6
A5
5
6
A7
7
8
A8
A9
9
10
A10
A11
11
12
IRPn
13
14
A12
15
16
A14
A13
17
18
A15
19
20
A17
A16
21
22
A18
A19
23
24
IA20
25
26
IA21
27
28
ROMWEn
29
30
31
32
D15
D7
33
34
D14
D6
35
36
D13
37
38
D5
D12
39
40
D4
41
42
D11
43
44
D3
D10
45
46
D2
47
48
D9
D1
49
50
D8
D0
51
52
53
54
55
56
57
58
59
60
OPTIONAL
Promjet Header, Removed for Production
V33
SCL
SDA
J3
1
NMI
2
RESETn
3
4
NMI
NMI
CON4
R69
2.2K
J4
FCEn
1
2
ICEn
3
CON3
Acer Incorporated
Title
Memory & LCD Power control
Size
Document Number
AL732
Date:
Thursday, January 23, 2003
V33
D[15:0]
D[15:0]
V33
R53
2.2K
R54
100K
ICEn
V33
R64
3.3K
R66
3.3K
R67
3.3K
V33
U8
24C16
6
8
SCL
VCC
5
SDA
C69
1
7
NC0
WP
2
0.1uF
NC1
3
4
NC2
GND
NVRAM
Rev
B
Sheet
1
of
7