Read Sharp AR-286 (serv.man3) Service Manual online
IC33
MB86604L
MB86604L
WR
1
RD
2
VDD
3
VSS
4
CLK
5
RESET
6
INT
7
MODE
8
DBP
9
VSS
10
DB7
11
DB6
12
DB5
13
VDD
14
VSS
15
VSS
16
DB4
17
DB3
18
DB2
19
DB1
20
VSS
21
DB0
22
TEST
1
23
TMOUT
24
NC
25
IOWR
26
IORD
27
VDD
28
VSS
29
DMA 0
30
LDMDP
31
DMD 0
32
DMD 1
33
DMD 2
34
DMD 3
35
DMD 4
36
DMD 5
37
DMD 6
38
DMD 7
39
VSS
40
DMD8
41
DMD9
42
DMD10
43
DMD11
44
DMD12
45
DMD13
46
DMD14
47
DMD15
48
UDMDP
49
DMBHE
50
DACK
51
DREQ
52
VDD
53
VSS
54
TP
55
NC
56
TEST
2
57
I/O
58
VSS
59
REQ
60
C/D
61
SEL
62
MSG
63
VDD
64
VSS
65
VSS
66
RST
67
ACK
68
BSY
69
VSS
70
AT
N
71
A0
72
A1
73
A2
74
A3
75
A4
76
CS 0
77
VDD
78
VSS
79
CS1
80
LDP
81
D0
82
D1
83
D2
84
D3
85
D4
86
D5
87
D6
88
D7
89
VSS
90
D8
91
D9
92
D10
93
D11
94
D12
95
D13
96
D14
97
D15
98
UDP
99
BHE
100
R209
10KJ
R208
10KJ
R207
10KJ
R242
10KJ
R241
10KJ
R243
10KJ
C225
223Z
C229
223Z
C228
223Z
C222
223Z
R295
220J1/4
R294
220J1/4
R293
220J1/4
R292
220J1/4
R291
220J1/4
R290
220J1/4
R307
220J1/4
R306
220J1/4
R305
220J1/4
R304
220J1/4
R303
220J1/4
R302
220J1/4
R319
220J1/4
R318
220J1/4
R317
220J1/4
R316
220J1/4
R315
220J1/4
R314
220J1/4
R284
330J1/4
R309
330J1/4
R312
330J1/4
R297
330J1/4
R300
330J1/4
R285
330J1/4
R287
330J1/4
R310
330J1/4
R313
330J1/4
R298
330J1/4
R301
330J1/4
R286
330J1/4
R289
330J1/4
R308
330J1/4
R311
330J1/4
R296
330J1/4
R299
330J1/4
R288
330J1/4
R240
4.7KJ
IC34
MB86604L
MB86604L
WR
1
RD
2
VDD
3
VSS
4
CLK
5
RESET
6
INT
7
MODE
8
DBP
9
VSS
10
DB7
11
DB6
12
DB5
13
VDD
14
VSS
15
VSS
16
DB4
17
DB3
18
DB2
19
DB1
20
VSS
21
DB0
22
TEST
1
23
TMOUT
24
NC
25
IOWR
26
IORD
27
VDD
28
VSS
29
DMA 0
30
LDMDP
31
DMD 0
32
DMD 1
33
DMD 2
34
DMD 3
35
DMD 4
36
DMD 5
37
DMD 6
38
DMD 7
39
VSS
40
DMD8
41
DMD9
42
DMD10
43
DMD11
44
DMD12
45
DMD13
46
DMD14
47
DMD15
48
UDMDP
49
DMBHE
50
DACK
51
DREQ
52
VDD
53
VSS
54
TP
55
NC
56
TEST
2
57
I/O
58
VSS
59
REQ
60
C/D
61
SEL
62
MSG
63
VDD
64
VSS
65
VSS
66
RST
67
ACK
68
BSY
69
VSS
70
AT
N
71
A0
72
A1
73
A2
74
A3
75
A4
76
CS 0
77
VDD
78
VSS
79
CS1
80
LDP
81
D0
82
D1
83
D2
84
D3
85
D4
86
D5
87
D6
88
D7
89
VSS
90
D8
91
D9
92
D10
93
D11
94
D12
95
D13
96
D14
97
D15
98
UDP
99
\BHE\
100
R216
10KJ
R215
10KJ
R214
10KJ
R245
10KJ
R246
10KJ
R247
10KJ
R254
220J1/4
R255
220J1/4
R256
220J1/4
R257
220J1/4
R258
220J1/4
R259
220J1/4
R266
220J1/4
R267
220J1/4
R268
220J1/4
R269
220J1/4
R270
220J1/4
R271
220J1/4
R278
220J1/4
R279
220J1/4
R280
220J1/4
R281
220J1/4
R282
220J1/4
R283
220J1/4
R248
330J1/4
R249
330J1/4
R250
330J1/4
R251
330J1/4
R252
330J1/4
R253
330J1/4
R260
330J1/4
R261
330J1/4
R262
330J1/4
R263
330J1/4
R264
330J1/4
R265
330J1/4
R272
330J1/4
R273
330J1/4
R274
330J1/4
R275
330J1/4
R276
330J1/4
R277
330J1/4
R244
4.7KJ
C227
223Z
C231
223Z
C224
223Z
C230
223Z
R211
***J
R212
0J
R217
***J
R213
0J
R205
0J
R204
***J
R210
***J
R206
0J
IC14B
74ACT08
4
5
6
A DB\ [0..7]
A DMD [0..15]
D15
D14
D13
D12
D11
D10
D9
D8
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
D6
D5
D4
D3
D2
D1
D0
SUB_A3
DMD 0
DMD 1
DMD 2
DMD 3
DMD 4
DMD 5
DMD 6
DMD 7
DMD 1
DMD 2
DMD 3
DMD 4
DMD 5
DMD 6
DMD 7
DMD 8
DMD 9
DMD 10
DMD 11
DMD 12
DMD 13
DMD 14
DMD 15
DMD 9
DMD 10
DMD 11
DMD 12
DMD 13
DMD 14
DMD 15
A
DB0\
A
DB2\
A
DB3\
A
DB4\
A
DB5\
A
DB6\
A
DB7\
A
DB1\
A DBP\
A ACK\
A C/D\
A BSY\
A REQ\
A RST\
A ATN\
A SEL\
A I/O\
A DB0\
A DB1\
A DB2\
A DB3\
A DB4\
A DB5\
A DB6\
A DB7\
A DBP\
A DB1\
A DB2\
A DB3\
A DB4\
A DB5\
A DB6\
A DB7\
A DBP\
SUB_A4
SUB_A5
B DMD [0..15]
B DB\ [0..7]
B DMD0
B DMD1
B DMD2
B DMD3
B DMD4
B DMD5
B DMD6
B DMD7
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
B DMD9
B DMD10
B DMD11
B DMD12
B DMD13
B DMD14
B DMD15
SUB_A3
SUB_A4
SUB_A5
SUB_A6
B
DB0\
B
DB1\
B
DB3\
B
DB4\
B
DB5\
B
DB6\
B
DB7\
B
DB2\
B ATN\
B BSY\
B ACK\
B RST\
B BSY\
B ACK\
B RST\
B MSG\
D15
D14
D13
D12
D11
D10
D9
D8
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
D6
D5
D4
D3
D2
D1
D0
B DB0\
B C/D\
B REQ\
B SEL\
B I/O\
B DB1\
B DB2\
B DB3\
B DB4\
B DB5\
B DB6\
B DB7\
B DB2\
B DB3\
B DB4\
B DB5\
B DB6\
B DB7\
D [0..15]
A MSG\
B DBP\
B DBP\
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
A DACK\
A DMUDS\
A DMR/W
A DMLDS\
A DREQ
A DMD [0..15]
CN12-34
A INTSPC\
LMDS\
SUB_A6
CN12-41
CN12-43
CN12-44
CN12-45
CN12-43
CN12-44
CN12-45
CN12-50
CN12-49
CN12-48
CN12-47
CN12-49
CN12-48
CN12-47
A CSSPC\
RES_IMG\
A DB\ [0..7]
B CSSPC\
B DREQ\
B DMD [0..15]
B DMR/W\
B DMLDS\
B DMUDS\
B DACK\
SUB_A6
SUB_A4
SUB_A3
SUB_A3
B INTSPC\
D [0..15]
CLK20M
SUB_A5
CN11-43
CN11-44
CN11-45
CN11-44
CN11-45
CN11-46
CN11-50
CN11-49
CN11-48
CN11-47
CN11-49
CN11-48
CN11-47
CN11-41
S R/W
LLDS\
LLDS\
LMDS\
RES_IMG\
CN12-46
B DB\[0..7]
SUB_A5
SUB_A3
SUB_A4
CLK20M
S R/W
LLDS\
LLDS\
CN11-34
A ATN\
A ACK\
A RST\
A MSG\
A SEL\
A C/D\
A REQ\
A I/O\
A RST\
A MSG\
A SEL\
A C/D\
A REQ\
A I/O\
A ATN\
A BSY\
A ACK\
A RST\
A BSY\
A ACK\
A RST\
A REQ\
A C/D\
A SEL\
A MSG\
A C/D\
A SEL\
A MSG\
A BSY\
A I/O\
B ATN\
B BSY\
B ACK\
B BSY\
B ACK\
B MSG\
B RST\
B SEL\
B C/D\
B REQ\
B I/O\
B C/D\
B REQ\
B I/O\
B ATN\
B BSY\
B ACK\
B RST\
B BSY\
B ACK\
B RST\
B I/O\
B C/D\
B REQ\
B SEL\
B MSG\
SCSI(PRT)
13-5D
11-2A
11-2A
11-2C
11-2C
11-3A,12-5C
8-7C,11-7A,12-5C
11-7B
IC33
11-2B
11-2A
8-5B,11-7A
11-7A
11-7A,12-5B
SCSI(A2)
11-7C
11-7B
11-7B
11-7B
11-7C
11-7C
11-7C
11-3A,12-1C
8-7C,11-7A,12-1C
11-7A
8-7D,11-7B
7-8C,8-6C,9-3A,11-7D,12-1C
IC34
8-7C,11-7A,12-1C
2-2A,2-6A,3-8B,4-7B,5-8B,6-2D,6-3A
8-7C,11-7A,12-5C
7-8C,8-6C,9-3A,11-7D,12-6C
2-2A,2-6A,3-8B,4-7B,5-8B,6-2D,6-3A
11-7A,12-1B
8-6C,11-7A,12-1B
11-7A,12-5B
Uninstalled
11-2A
11-7A,12-5B
8-6C,11-7A,12-5B
13-5C
11-7A,12-1B
11-7A,12-1B
Uninstalled
Uninstalled
Uninstalled
ICU PWB (MB86604L) (AR-336)
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
D
C
B
A
D
C
B
A
12/14
– 87 –
– 88 –
AR-336
4/2/1999
Click on the first or last page to see other AR-286 (serv.man3) service manuals if exist.