AL-1661CS CIRCUIT DIAGRAM 13 - 22
MCU
PWB
(IEEE1284Interface
section)
C244
0.1u
C245
0.1u
R326
OPEN
C233
100p
C232
100p
C231
100p
C230
100p
CN39
24FMN-BTK-A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
C235
100p
C234
100p
C236
100p
C229
100p
C238
100p
R319
0J
C237
100p
IC34
74L
VX161284
HD
1
A9
2
A10
3
A1
1
4
A12
5
A13
6
Vcc
7
A1
8
A2
9
GND
10
A3
11
A4
12
A5
13
A6
14
GND
15
A7
16
A8
17
Vcc
18
PLHin
19
A14
20
A15
21
A16
22
A17
23
HLH
24
HLHin
25
C17
26
C16
27
C15
28
C14
29
PLH
30
Vcc-cable
31
B8
32
B7
33
GND
34
B6
35
B5
36
B4
37
B3
38
GND
39
B2
40
B1
41
Vcc-cable
42
Y13
43
Y12
44
Y1
1
45
Y10
46
Y9
47
DIR
48
R209
10kJ
C240
100p
C239
100p
C241
100p
BR90
22J
1 2 3 4
8 7 6 5
C246
100p
C248
100p
C247
330p
BR89
22J
1 2 3 4
8 7 6 5
C249
100p
R197
10kJ
BR92
22J
1 2 3 4
8 7 6 5
R200
10kJ
BR91
22J
1 2 3 4
8 7 6 5
C242
0.1u
C243
0.1u
R196
3.3KJ
D39
11
EQS06
R204
22J
CN28
IEEE1284_CN
D-GND
30
D-GND
26
HLHIN
35
D-GND
27
/INIT
31
D-GND
28
SG
16
D-GND
29
NC
15
SLCT
13
NC
34
Data
0
2
Data
1
3
FG
17
Data
2
4
D-GND
19
Data
3
5
D-GND
20
Data
5
7
D-GND
21
Data
6
8
D-GND
22
/SLCT
IN
36
D-GND
23
/AUT
O
FD
14
D-GND
24
D-GND
25
/D
STB
1
PLHOUT
18
/ACK
10
BUSY
11
PE
12
/F
AUL
T
32
Data
4
6
Data
7
9
D-GND
33
Shield
R198
10kJ
/STB
P
ARAD7
P
ARAD6
/INIT
/ACK BUSY
/F
AUL
T
P
ARAD1
SLCT
P
ARAD2
P
ARAD3
/REV
P
ARAD4
/SLCTIN
P
ARAD5
/AUT
OFD
PE
P
ARAD0
/STB
P
ARAD7
P
ARAD6
/INIT
/ACK BUSY
/F
AUL
T
P
ARAD1
SLCT
P
ARAD2
P
ARAD3
/REV
P
ARAD4
/SLCTIN
P
ARAD5
/AUT
OFD
PE
P
ARAD0
EN5V
VCC3
EN5V
VCC3
EN5V
VCC3
EN5V
/INIT
/ACK
/AUT
OFD
/STB
P
ARAD[7..0]
/REV
BUSY
/F
AUL
T
/SLCTIN
PE
SLCT
/OA_RST
(2-D2)
(2-E2)
3.3V
5V
IEEE1284
C
onnector
F.
G
IEEE1284
Driver/Receiver
(2-D2) (2-D2) (2-D2) (2-D2) (2-D2)
(2-D2) (2-D2) (2-D2) (2-D2)
To
NIC
PWB
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
12/14
Summary of Contents for AL-1661CS
Page 201: ...AL 1661CS CIRCUIT DIAGRAM 13 40 6 7 8 9 10 11 12 6 7 8 9 10 11 12 A B C D E F G H 1 1 ...
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