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AL-1551 CIRCUIT DIAGRAM 13-14
A
A
1
1
GDI/USB PWB
/INIT
MDATA3
MAD3
PARAAD6
3.3V
MAD2
9
37
5V
18
10
MDATA0
MDATA14
22
MDATA2
7
/AUTOFD
MDATA7
4
GDI
MEMORY
PWB
10
PARAAD5
3.3V
8
PE
28
MDATA5
1
PARAAD2
15
/RAS1
14
MDATA11
18
D-GND
PE
16
16
/RAS1
17
MAD9
MDATA9
34
1
34
MAD8
37
MAD6
PARAAD3
5V
PARAAD0
27
PARAAD5
28
13
19
14
23
38
2
PARAAD3
/CAS0
D-GND
5
24
9
9
2
/RAS2
39
/CAS0
MDATA8
/FAULT
16
18
MDATA10
31
25
8
/CAS1
16
/WE
MAD6
/WE
MDATA13
/STB
17
/MEMORY
MDATA0
/INIT
21
25
MAD2
MDATA15
/AUTOFD
MDATA7
MAD1
PARAAD0
22
7
PARAAD2
MAD0
SLCT
20
39
5V
D-GND
MAD0
31
MDATA11
MAD5
11
18
MDATA4
9
12
40
MDATA5
5
MDATA1
11
12
MDATA15
15
MAD9
33
26
20
21
21
MDATA9
3
/ACK
38
/RAS0
20
MDATA6
MDATA2
24
32
D-GND
5
10
17
/CAS1
17
12
8
MDATA10
23
23
22
PARAAD1
/OE
MDATA12
MAD8
26
25
6
4
22
BUSY
PARAAD7
/FAULT
MCU PWB
/ACK
13
D-GND
MDATA3
19
MDATA4
33
3.3V
D-GND
8
26
/GDI-IN
/RAS2
5V
CN108
/REV
14
3.3V
3
SLCT
7
MAD7
D-GND
6
/OE
MAD10
24
BUSY
D-GND
PARAAD1
14
PARAAD6
5
5V
PARAAD4
40
35
MAD11
30
2
/MEMORY
/STB
29
13
3
36
MAD5
D-GND
30
32
MDATA6
1
1
19
CN114
12
15
20
24
6
15
35
29
25
MAD7
PARAAD7
/GDI-IN
6
MAD1
MDATA14
4
MAD4
3
11
23
36
MDATA12
/REV
/SLCTIN
13
MAD11
MDATA13
10
MAD10
21
7
27
4
PARAAD4
/SLCTIN
/RAS0
MDATA8
MAD4
D-GND
D-GND
MAD3
MDATA1
26
5V
19
2
11
3
10
13
32
19
11
33
4
36
23
6
7
31
12
21
1
14
25
8
2
5
9
27
29
30
Data Bit 0
/STROBE
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
/ACK
BUSY
PE
SLCT
/ERROR
/INIT
D-GND
/SLCT IN
Data Bit 1
/AUTO FD XT
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
D-GND
CN701
CN502
CN501
Personal
Computer
D-GND
ACTUAL
WIRING DIAGRAM 2/5 (GDI)
% !"#
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