AR-M236 (serv.man4). Circuit Diagram. - Sharp Copying Equipment Service Manual (repair manual). Page 91

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AR-M236/M276/M237/M277  PCL PWB (AR-P17)  4 - 10
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
PARAD1
PARAD0
PARAD5
PARAD6
PARAD4
PARAD7
PARAD3
PARAD2
REV
12
1284BUSY
12
1284ACK
12
1284
P
E
12
1284SL
C
T
12
1284FAULT_
12
1284INIT_
12
1284AUTOFD_
12
1
2
84ST
B_
12
1284SLCTIN_
12
PARAD[7:0]
12
+5.0V
+3.3V
+5.0V
T
P
385
T
P
104
C8
4
100pF
R167
0
T
P
105
T
P
386
R168
0
T
P
107
T
P
387
C8
1
100pF
T
P
108
R169
0
R170
0
T
P
109
T
P
388
C8
3
100pF
T
P
110
C8
0
100pF
T
P
389
T
P
390
T
P
374
R177
10K
NoASM
R182
0
T
P
391
R183
0
T
P
375
T
P
392
R178
10K
R175
0
R179
10K
R181
0
C89
0.1uF
T
P
554
T
P
376
R184
0
R173
0
C7
2
100pF
T
P
555
R174
0
T
P
377
+
C90
22uF/16V
C7
3
100pF
IC23
FC74F1071




5
6



10 
11 
12 
13 
14 
15
16
17 
18 
19 
20
C1 
C2 
C3 
C4 
C5
GND
C6 
C7 
C8 
C9
C10 
C11 
C12 
C13 
C14
GND
C15 
C16 
C17 
C18
C71
0.1uF
T
P
378
IC22
74LVX
161284M
E
A
8
9
11
12
13
14
16
17
2
3
4
5
6
20
21
22
23
1
48
19
25
7
18
31
42
41
40
38
37
36
35
33
32
47
46
45
44
43
29
28
27
26
30
24
10
15
34
39
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
HD
DIR
PERI LOGIC IN
HOST LOGIC IN
VCC
VCC
VCC CABLE
VCC CABLE
B1
B2
B3
B4
B5
B6
B7
B8
Y9
Y10
Y11
Y12
Y13
C14
C15
C16
C17
PERI LOGIC OUT
HOST LOGIC OUT
GND
GND
GND
GND
R171
0
C7
4
100pF
C7
5
100pF
T
P
379
C7
8
100pF
C8
7
100pF
R172
0
C7
7
100pF
C7
6
100pF
T
P
380
C7
9
100pF
R186
10K
C8
6
100pF
T
P
381
T
P
101
C8
8
100pF
T
P
382
CN11
PARACONN
35
31
19
32
1
36
33
22
34
20
10
21
11
12
23
13
24
14
25
16
26
17
27
2
28
3
29
30
4
5
6
7
8
9
15
18
NC
INPRIM_
GND
FAULT_
DSTB_
SLCTIN_
SG
GND
NC
GND
ACK
GND
BUSY
PE
GND
SLCT
GND
AUTOLF_
GND
SG
GND
FG
GND
DATA1
GND
DATA2
GND
GND
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
NC
PLHIGH
C8
5
100pF
R176
0
R185
10K
T
P
383
R180
0
R165
0
T
P
102
T
P
384
C8
2
100pF
R166
0
T
P
103
<IEEE1284 I/F>
<IEEE 1284 CONNECTOR>
Undershoot/Overshoot Clamp
& ESD Protection
*IC23 is mounted on Chinese model (UN. No.RS53) only.
IEEE1284 CONTROLLER
9/12
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