Read Sharp AR-337 (serv.man3) Service Manual online
8
7
6
5
D
C
B
A
8
7
6
5
ICU (SCSI_G/A)
(AR-507)
(AR-507)
IC31
SCSI G/A
GND
1
GND
2
RST
3
GND
4
CLK
5
GND
6
GND
7
VDD
8
VDD
9
SMC
10
AMC
11
SIN
12
SCK
13
SOT
14
GND
15
B INTSPC
16
B DREQ
17
B EMPTY
18
VDD
19
GND
20
GND
21
B FULL
22
B READY
23
B XEND
24
B YEND
25
GND
26
B DMD0
27
B DMD1
28
B DMD2
29
B DMD3
30
GND
31
VDD
32
B DMD4
33
B DMD5
34
B DMD6
35
B DMD7
36
VDD
37
VDD
38
GND
39
GND
40
B DMD8
41
B DMD9
42
B DMD10
43
B DMD11
44
GND
45
B DMD12
46
B DMD13
47
B DMD14
48
B DMD15
49
GND
50
VDD
51
B DMR W
52
B DMLDS
53
B DMUDS
54
B DACK
55
VDD
56
VDD
57
GND
58
B DMA0
59
B TERM
60
GND
61
PBIN0
62
PBIN1
63
PBIN2
64
PBIN3
65
PBIN4
66
PBIN5
67
PBIN6
68
PBIN7
69
GND
70
GND
71
GND
72
B CSSPC
73
A CSSPC
74
GND
75
GND
76
VDD
77
VDD
78
VDD
79
VDD
80
LLD
S
81
L
UDS
82
R/
W
83
GND
84
D1
5
85
D1
4
86
D1
3
87
D1
2
88
GND
89
VDD
90
D1
1
91
D1
0
92
D9
93
D8
94
GND
95
GND
96
D7
97
D6
98
D5
99
D4
100
GND
101
VDD
102
D3
103
D2
104
D1
105
D0
106
GND
107
A7
108
A6
109
A5
110
A4
111
VDD
112
VDD
113
VDD
114
GND
115
GND
116
A3
117
A2
118
A1
119
A0
120
GND
121
VDD
122
TEST1
123
GND
124
GND
257
AD5
258
AD4
259
GND
260
VDD
261
AD3
262
VDD
263
VDD
264
VDD
265
VDD
266
GND
267
GND
268
AD2
269
AD1
270
GND
271
AD0
272
GND
273
C/
BE3
274
C/
BE2
275
GND
276
VDD
277
C/
BE1
278
GND
279
C/
BE0
280
TRD
Y
281
VDD
282
VDD
283
VDD
284
GND
285
GND
286
IR
D
Y
287
RAME
288
GND
289
IR
Q
6
290
GND
291
VDD
292
IR
Q
7
293
BREQ9
294
GND
295
BREQ8
296
GND
297
BGNT9
298
BGNT8
299
GND
300
GND
301
GND
302
VDD
303
VDD
304
R195
10KJ
10KJ
A5
A4
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D1
0
D1
3
D1
4
D1
5
BGNT8\
BGNT9\
BRQ8\
BRQ9\
IR
Q
7
\
IR
Q
6
\
FRAME\
IR
D
Y
\
TRD
Y
\
CBE2
CBE1
CBE0
IA
D
5
IA
D
4
IA
D
3
IA
D
2
IA
D
1
IA
D
0
CBE3
IAD [0..31]
D1
2
D1
1
A3
A6
B DMD0
B DMD1
B DMD2
B DMD3
B DMD4
B DMD5
B DMD6
B DMD7
B DMD8
B DMD9
B DMD10
B DMD11
B DMD12
B DMD13
B DMD14
B DMD15
+5V1
LLDS\
LMDS\
S R/W
IAD [0..31]
CBE3
TRDY\
IRDY\
FRAME\
RES IMG\
CK33OUT8
D [0..15]
A CSSPC\
CBE2
CBE1
CBE0
SUB_A5
SUB_A4
SUB_A3
SUB_A6
IRQ6\
IRQ7\
B CSSPC\
B DMD[0..15]
B DACK\
B DMR/W\
B DMLDS\
B DMUDS\
B INTSPC\
B DREQ\
BGNT8\
BGNT9\
BRQ9\
BRQ8\
7-8C,8-6C,9-3A,12-1C,12-6C
2-3A,6-8A,7-8C,9-8D
2-6A,6-7A,7-8C,9-7A
2-2B
2-2B
2-2B
9-4A
9-4A
9-4A
9-7A
12-1B
12-1C,12-5C
12-1C,12-5C
12-1C,12-5C
12-5B
12-1B,12-5B
12-1B,12-5B
12-5B
2-6A,6-7C,7-8C,9-7A
2-6A,6-7C,7-8C,9-7A
2-6A,6-7C,7-8C,9-7A
2-6A,3-8B,4-7B,5-8B,6-2D,6-3A
12-8A
12-8C
12-8C
12-8C
12-8B
12-8A
12-8C
12-8B
12-8A
12-1B,12-5B
12-1B,12-5B
12-1B,12-5B
2-6A,6-7C,7-8C,9-7A
9-4A
12-1C,12-5C
12-5C
2-6A,6-7A,7-8C,9-7A
2-6A,6-7A,7-8C,9-7A
2-6A,6-7A,7-8C,9-7A
2-6A,6-7A,7-8C,9-7A
2-6A,6-7A,7-8C,9-7A
AR-287/337
AR-407/507
AR-407/507
4/5/2000
3 – 105
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