AR-285 (serv.man19). AR280 285 335 Circuit ICU PWB — Sharp Copying Equipment Service Manual (repair manual)

Model
AR-285 (serv.man19)
Pages
16
Size
558.48 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR280 285 335 Circuit ICU PWB
File
ar-285-sm19.pdf
Date

View Sharp AR-285 (serv.man19) Service Manual online

CIRCUIT DIAGRAM
Digital Copier
MODEL
 AR-280/285/335
SHARP CORPORATION
Parts marked with "
" is important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
[ 1 ] PWB Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1
[ 2 ] Wiring Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  2
[ 3 ] ICU PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
[ 4 ] PCU PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  43
[ 5 ] Operation control PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  55
[ 6 ] Operation L / R PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  65
[ 7 ] AC / DC power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
[ 8 ] AC PWB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  71
[ 9 ] DC power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  75
CONTENTS
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
C27
104Z
C188
223Z
C26
104Z
C187
223Z
C21
104Z
C176
223Z
IC22
X28HC64P-12
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
NC
1
NC
26
VCC
28
GND
14
C19
104Z
C167
223Z
C25
104Z
C186
223Z
IC30
IS61C512-15J
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
3
A15
31
\CE1
22
CE2
30
\WE
29
\OE
24
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
NC
1
NC
2
VCC
32
GND
16
C22
104Z
C177
223Z
IC29
IS61C512-15J
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
3
A15
31
\CE1
22
CE2
30
\WE
29
\OE
24
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
NC
1
NC
2
VCC
32
GND
16
IC27
IS61C512-15J
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
3
A15
31
\CE1
22
CE2
30
\WE
29
\OE
24
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
NC
1
NC
2
VCC
32
GND
16
C153
223Z
C166
223Z
C150
223Z
C151
223Z
R236
0J
IC105C
74AC08
9
10
8
IC103B
74AC04
3
4
IC28
IS61C512-15J
A0
12
A1
11
A2
10
A3
9
A4
8
A5
7
A6
6
A7
5
A8
27
A9
26
A10
23
A11
25
A12
4
A13
28
A14
3
A15
31
\CE1
22
CE2
30
\WE
29
\OE
24
D0
13
D1
14
D2
15
D3
17
D4
18
D5
19
D6
20
D7
21
NC
1
NC
2
VCC
32
GND
16
R237
0J
R235
0J
IC26
LH537C0G
A0
23
A1
22
A2
21
A3
20
A4
19
A5
18
A6
17
A7
16
A8
10
A9
9
A10
8
A11
7
A12
6
A13
5
A14
4
A15
3
A16
2
A17
15
A18
14
A19
11
CE
24
OE
27
NC
13
D0
28
D1
30
D2
32
D3
34
D4
39
D5
41
D6
43
D7
45
D8
29
D9
31
D10
33
D11
35
D12
40
D13
42
D14
44
D15/A-1
46
BYTE
1
VDD
37
VDD
38
GND
12
GND
25
GND
26
GND
36
GND
47
GND
48
SOCKET1
93764-51872
A0
12
A1
13
A2
14
A3
15
A4
16
A5
17
A6
18
A7
28
A8
31
A9
32
A11
33
A12
34
A10
29
A13
36
A14
65
A15
66
A16
67
A17
68
A18
69
A19
70
A20
71
3/5
11
RP
19
1CE 1L
40
1CE 1H
41
2CE 1L
42
2CE 1H
43
OE
44
RY/BY
45
WP
46
WE
47
BYTE
48
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
D15
35
D16
37
D17
38
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
D24
56
D25
57
D26
58
D27
60
D28
59
D29
62
D30
63
D31
64
Vcc1
10
Vcc1
30
Vcc2
61
Vss1
1
Vss1
20
Vss2
72
VPP
55
Vss1
39
R143
5.6KJ
BR12
10K
R144
5.6KJ
R142
10KJ
R141
10KJ
IC21
MCF5202PU25
PST0
56
PST1
57
PST2
58
PST3
59
DDATA0
81
DDATA1
82
DDATA2
83
DDATA3
84
TRST/DSCLK
70
TDO/DSO
71
TDI/DSI
72
TMS/BKPT
73
TCK
74
HIZ
75
MTMOD0
76
MTMOD1
77
MTMOD2
78
JCE
85
VCC
7
VCC
13
VCC
19
VCC
25
VCC
32
VCC
38
VCC
46
VCC
53
VCC
60
VCC
69
VCC
80
VCC
88
VCC
94
VCC
100
GND
6
GND
12
GND
18
GND
24
GND
31
GND
37
GND
45
GND
52
GND
61
GND
68
GND
79
GND
86
GND
93
GND
99
A/D0
89
A/D1
90
A/D2
91
A/D3
92
A/D4
95
A/D5
96
A/D6
97
A/D7
98
A/D8
1
A/D9
2
A/D10
3
A/D11
4
A/D12
5
A/D13
8
A/D14
9
A/D15
10
A/D16
11
A/D17
14
A/D18
15
A/D19
16
A/D20
17
A/D21
20
A/D22
21
A/D23
22
A/D24
23
A/D25
26
A/D26
27
A/D27
28
A/D28
29
A/D29
30
A/D30
33
A/D31
34
TT0
35
TT1
36
R/W
39
TS
40
SIZ0
41
SIZ1
42
DA0
43
DA1
44
DTIP
47
AA
48
TBI
54
TEA
55
ATM
63
IPL0
64
IPL1
65
IPL2
66
AVEC
62
BD
49
BR
50
BG
51
CLK
87
RST
67
BR10
10K
R140
5.6KJ
BR13
10K
BR11
10K
SOCKET2
93764-51872
A0
12
A1
13
A2
14
A3
15
A4
16
A5
17
A6
18
A7
28
A8
31
A9
32
A11
33
A12
34
A10
29
A13
36
A14
65
A15
66
A16
67
A17
68
A18
69
A19
70
A20
71
3/5
11
RP
19
1CE 1L
40
1CE 1H
41
2CE 1L
42
2CE 1H
43
OE
44
RY/BY
45
WP
46
WE
47
BYTE
48
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
D15
35
D16
37
D17
38
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
D24
56
D25
57
D26
58
D27
60
D28
59
D29
62
D30
63
D31
64
Vcc1
10
Vcc1
30
Vcc2
61
Vss1
1
Vss1
20
Vss2
72
VPP
55
Vss1
39
IC105D
74AC08
12
13
11
IC103E
74AC04
11
10
IC12B
74ACT32
4
5
6
IC12D
74ACT32
12
13
11
A18
A19
A20
A18
A19
A20
A21
A21
A21
A6
A12
A9
A4
A4
A8
A5
A14
A13
A10
A10
A8
A11
A10
A17
A9
A12
A8
A15
A12
A17
A7
A15
A2
A17
A9
A11
A8
A5
A17
A6
A10
A15
A2
A9
A6
A3
A13
A9
A13
A2
A5
A14
A4
A14
A13
A10
A4
A4
A3
A16
A9
A6
A3
A7
A13
A11
A17
A7
A7
A14
A14
A11
A13
A14
A6
A15
A3
A12
A14
A8
A15
A16
A11
A3
A7
A16
A16
A7
A8
A2
A6
A9
A5
A3
A2
A12
A13
A11
A10
A4
A6
A5
A11
A17
A2
A5
A10
A2
A7
A5
A12
A3
A4
A12
A16
A8
A15
A16
CAD3
CAD29
CAD19
CAD23
CAD5
CAD1
CAD14
CAD9
CAD19
CAD29
CAD30
CAD10
CAD5
CAD13
CAD8
CAD24
CAD17
CAD14
CAD19
CAD26
CAD9
CAD16
CAD28
CAD6
CAD2
CAD30
CAD8
CAD22
CAD13
CAD26
CAD28
CAD1
CAD17
CAD0
CAD14
CAD12
CAD23
CAD7
CAD7
CAD4
CAD15
CAD5
CAD15
CAD9
CAD11
CAD15
CAD29
CAD3
CAD13
CAD20
CAD3
CAD14
CAD2
CAD16
CAD7
CAD18
CAD31
CAD7
CAD4
CAD27
CAD2
CAD4
CAD10
CAD0
CAD22
CAD11
CAD12
CAD25
CAD1
CAD18
CAD3
CAD5
CAD5
CAD11
CAD27
CAD16
CAD4
CAD2
CAD25
CAD23
CAD31
CAD7
CAD17
CAD6
CAD2
CAD30
CAD10
CAD11
CAD31
CAD28
CAD1
CAD0
CAD26
CAD20
CAD22
CAD24
CAD6
CAD0
CAD6
CAD8
CAD4
CAD3
CAD12
CAD6
CAD13
CAD12
CAD21
CAD20
CAD18
CAD21
CAD0
CAD1
CAD9
CAD27
CAD25
CAD8
CAD21
CAD15
CAD10
CAD24
CAD19
CAD29
CAD26
CAD30
CAD8
CAD22
CAD1
CAD17
CAD0
CAD14
CAD4
CAD15
CAD5
CAD20
CAD16
CAD7
CAD18
CAD3
CAD2
CAD25
CAD23
CAD10
CAD11
CAD31
CAD28
CAD24
CAD6
CAD13
CAD12
CAD21
CAD9
CAD27
A18
A19
A20
A21
A4
A5
A13
A10
A11
A12
A17
A8
A6
A2
A9
A16
A14
A15
A3
A7
A22
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
CS_RAM\
CS_EEROM\
WR0\
RD0\
CS_CGROM\
RES\
WR1\
RD1\
WR2\
RD2\
WR3\
RD3\
CAD [0:31]
A [2:23]
RDL\
RDU\
RD0\
WR0\
TT0
RES_CPU\
BG\
IPL1\
TBI\
TEA\
DA1\
SIZ1
TS\
TT1
BD\
CPU_CLK
IPL2\
IPL0\
AA\
DTIP\
DA0\
SIZ0
R/W\
BR\
WRL\
WRU\
CS_FROM\
FWP\
IC21*4
2-2D
2-2D
2-2D
2-2D
2-2D
2-2D
2-2D
2-2D
2-5D
2-5D
2-5D
2-5D
2-5D
2-5D
2-5D
2-2D
2-2D
2-2D
2-2D
2-7C
2-7C
1-3C,2-7C,4-3A,5-6B,6-8B
1-3C,2-7C,4-3A,6-8B
2-7C
2-7C
2-7C
2-7C
2-7C
2-7C
1-5C,2-7C,4-3A,5-6B,6-8B
1-5C,2-7C,4-3A,6-8B
2-7C
2-7C
2-7C
2-6A,2-7C,3-4D,3-8A
2-6B,4-7C,5-8B,6-8D
2-1D,4-7C,5-8C,6-8C,15-4C
2-7C
2-7C
9
4
8
3
3
6
9
8
7
2
2
1
6
9
2
4
7
1
4
7
8
1
3
7
2
4
1
6
8
9
3
6
2-7C
2-7C
6-7D
[3] ICU PWB
1/15
335-C08.DSF
(CPU)
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
JP-+5V1
JP-GND2
C6
1000/6.3
+
C110
223Z
C33
470/16
+
C199
223Z
C30
330/6.3
+
C198
223Z
C40
470/6.3
+
C241
223Z
C8
330/6.3
+
C112
223Z
C28
330/6.3
+
C196
223Z
C9
100/6.3
+
C113
223Z
C4
220/35
+
C114
223Z
C31
1u/50
+
C32
3.3u/50
+
C29
3.3u/50
+
R207
10KJ
R224
150J
ZD1
HZS6A1
R227
300J
R225
36KJ
R226
91KJ
IC110B
LM339NS
7
6
1
+
-
R217
2.2KJ
R220
39KJ
C191
102K
R219
10KJ
R221
220KJ
IC110C
LM339NS
9
8
14
+
-
C201
223Z
R218
2.2KJ
R208
300J
C190
102K
R215
22KJ
R214
10KJ
IC110D
LM339NS
11
10
13
+
-
R216
10KJ
R213
10KJ
R223
68KJ
C5
220/35
+
C39
470/6.3
+
C237
223Z
JP-+3.3V
JP-POF\
R206
2.2KJ
C189
223Z
LD1
GL3PR8
R247
390J
Q107
DTC114YKA
3
1
2
Q105
DTC114YKA
3
1
2
R222
910J
IC110A
LM339NS
5
4
2
3
12
+
-
D101
DAP202K
Q104
DTC124XKA
3
1
2
D102
DAN-217
Q103
DTC114YKA
3
1
2
Q106
DTC114EKA
3
1
2
JP-RES\
IC104B
74AS74
D
12
Q
9
CLK
11
Q
8
PR
10
CL
13
IC103A
74AC04
1
2
C155
223Z
TH1
D2
1SS133
D1
1SS133
IC105B
74AC08
4
5
6
IC4D
74VHCT08
12
13
11
C152
223Z
D?
1SS133
D?
1SS133
R?
1KJ
+5VLD
+5V1A
+5V1
+5V1
-5.0V
GND1
+5VLD
+5V1A
+5V1
-5.0V
GND1
AGND
LGND
GND2
GND2
GND2
GND2
+12V1
AGND
+12V1
GND2
FW
+5V1
+5V1
+3.3V
+12V1
POFB
POFB
GND1
+38V
+38V
+12VOP
+12VOP
+24V1
+24V3OP
+24V3OP
+24V1
+5V1
+3.3V
335-C10.DSF
+5V1
+5V1
+5V1
POFB
RES\
+24V1
GND2
+5V1
+5V1
+5V1
+12V1
+24V1
+12V1
+5V1
+5V1
+12V1
+5V1
+5V1
+3.3V
+5V1
+24V1
+5V1
+5V1
DCH
RES\
POF\
SYNC_LOU
RES_IMG\
RES\
CN3-B11
CN4-1
CN7-A14
CN2-B9
CN11-13
CN10-22
CN10-14
CN10-13
CN10-17
CN10-18
CN10-19
CN10-20
CN10-21
CN10-5
CN10-6
CN10-8
CN10-9
CN10-10
CN10-11
CN10-12
CN10-15
CN10-7
CN10-2
CN10-1
CN10-3
CN10-4
CN2-A2
CN1-22
CN2-A1
CN1-21
CN2-A3
CN2-A10
CN1-8
CN5-2
CN5-1
CN2-A6
CN2-A5
CN7-A6
CN1-7
CN5-8
CN5-7
CN5-6
CN5-5
CN1-1
CN-A8
CN5-9
CN5-10
CN2-A13
LDV
1-3A,2-6A,2-7C,3-8A
2-2B,6-8B
K
A
AK
K1
K2
A
B
C
E
10K
47K
10K
10K
10K
10K
47K
47K
22K
47K
2-6B
2-2A,2-6A,4-7B,6-8B,7-2D,7-3A
1-3A,2-6A,2-7C,3-4D
6-4B
IC105,110
8-8C,9-6C,10-3A,12-7D,13-1C,13-6C
6-5A
B
C
E
E
E
C
C
B
B
ICU PWB (POWER)
3/15
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
C18
104Z
C159
223Z
IC3
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C3
104Z
C105
223Z
IC2
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C104
223Z
IC17
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C17
104Z
C157
223Z
X4
29MHz
VCC
1
OUT
3
G
2
C154
223Z
C16
104Z
R130
0J
IC5
74ALS574
D1
2
Q1
19
D2
3
Q2
18
D3
4
Q3
17
D4
5
Q4
16
D5
6
Q5
15
D6
7
Q6
14
D7
8
Q7
13
D8
9
Q8
12
CLK
11
OC
1
R110
0J
R109
0J
R102
0J
R104
0J
R103
0J
R108
0J
R105
0J
R106
0J
BR1
10K
C139
223Z
C115
223Z
C140
223Z
C158
223Z
C109
223Z
IC103F
74AC04
13
12
IC1
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C1
104Z
C102
223Z
IC14
IMG G/A
SRAM1A9
154
SRAM1A10
155
SRAM1A11
156
SRAM1A12
157
SRAM1A13
158
SRAM1A14
159
RAMDATA1
32
XIFADR9
30
RAMDATA2
33
GAOUT7
90
RAMDATA3
34
RAMDATA0
31
RAMDATA4
35
SRAM1
D
7
18
4
RAMDATA5
36
RAMDATA6
37
IM
G
D
IN
0
91
RAMDATA7
38
\S
R
A
M
1
W
E
18
5
IM
G
D
IN
1
92
\S
R
A
M
1
O
E
18
6
IM
G
D
IN
2
93
\M
O
E
10
2
IM
G
D
IN
3
94
\RESET
39
GND
1
GND
95
\M
W
E
10
3
\IN
V
A
L
ID
L
96
GND
2
RYOUI
K
I0
97
\GOE
10
4
CLK1
3
\G
W
E
10
5
PAGE1
4
\IN
V
A
L
ID
10
6
SMC
5
PAGE2
6
\CDSYNCN
7
XIFADR0
8
XIFADR1
9
XIFADR2
10
XIFADR3
11
XIFADR4
12
XIFADR5
13
XIFADR6
14
GND
15
XIFDAT0
16
XIFDAT1
17
XIFDAT2
18
XIFDAT3
19
GND
20
VDD
21
XIFDAT4
22
XIFDAT5
23
XIFDAT6
24
XIFDAT7
25
GND
26
VDD
27
XIFADR7
28
XIFADR8
29
VDD
40
GND
41
\HSYNC
42
RAMADR0
43
RAMADR1
44
RAMADR2
45
RAMADR3
46
RAMADR4
47
RAMADR5
48
RAMADR6
49
RAMADR7
50
GND
51
RAMADR8
52
RAMADR9
53
RAMADR10
54
RAMADR11
55
RAMADR12
56
RAMADR13
57
RAMADR14
58
GND
59
GND
60
VDD
61
GDATA
0
62
GDATA
1
63
GDATA
2
64
GDATA
3
65
GDATA
4
66
GDATA
5
67
GND
68
VDD
69
GDATA
6
70
GDATA
7
71
BUNRI
72
FL
OW
SEL
1
73
FL
OW
SEL
2
74
DCTE
S
T1
75
A2
 1
76
A2
 2
77
A2
 3
78
A2
 4
79
GND
80
VDD
81
GAOUT0
82
GAOUT1
83
GAOUT2
84
GAOUT3
85
GAOUT4
86
GAOUT5
87
GAOUT6
88
VDD
89
RYOUI
K
I1
98
RYOUI
K
I2
99
VDD
10
0
GND
10
1
DCTE
S
T2
10
7
\X
IF
W
R
10
8
\X
IF
R
D
10
9
IM
G
D
IN
4
11
0
IM
G
D
IN
5
11
1
IM
G
D
IN
6
11
2
IM
G
D
IN
7
11
3
GND
11
4
GADR0
11
5
GADR1
11
6
GADR2
11
7
GADR3
11
8
GADR4
11
9
VDD
12
0
GND
121
GND
122
GADR5
123
GADR6
124
GADR7
125
GADR8
126
GADR9
127
GND
128
GADR10
129
GADR11
130
GADR12
131
GADR13
132
GADR14
133
VDD
134
FIFOTST1
135
AMC
136
\XIFEN
137
IMGCLK
138
GND
139
VDD
140
SRAM1A0
141
SRAM1A1
142
SRAM1A2
143
SRAM1A3
144
SRAM1A4
145
SRAM1A5
146
SRAM1A6
147
SRAM1A7
148
GND
149
AREA-CLK
150
TEST1
151
DCTEST3
152
SRAM1A8
153
VDD
160
GND
161
SRAM2A0
162
SRAM2A1
163
SRAM2A2
164
SRAM2A3
165
SRAM2A4
166
SRAM2A5
167
SRAM2A6
168
SRAM2A7
169
VDD
170
PAPER
171
\HSYSEL
172
GND
173
SRAM1D0
174
SRAM1D1
175
SRAM1D2
176
SRAM1D3
177
SRAM1D4
178
GND
179
GND
180
VDD
18
1
SRAM1
D
5
18
2
SRAM1
D
6
18
3
GND
18
7
FI
FOTST2
18
8
VDD
18
9
SRAM2
A
8
19
0
SRAM2
A
9
19
1
SRAM2
A
10
19
2
SRAM2
A
11
19
3
SRAM2
A
12
19
4
SRAM2
A
13
19
5
SRAM2
A
14
19
6
\S
R
A
M
2
O
E
19
7
\S
R
A
M
2
W
E
19
8
SRAM2
D
0
19
9
GND
20
0
VDD
20
1
SRAM2
D
1
20
2
SRAM2
D
2
20
3
SRAM2
D
3
20
4
SRAM2
D
4
20
5
SRAM2
D
5
20
6
SRAM2
D
6
20
7
SRAM2
D
7
20
8
GND
20
9
\M
 AREA
 0
21
0
SRAM3
A
0
21
1
SRAM3
A
1
21
2
SRAM3
A
2
21
3
SRAM3
A
3
21
4
SRAM3
A
4
21
5
SRAM3
A
5
21
6
SRAM3
A
6
21
7
SRAM3
A
7
21
8
SRAM3
A
8
21
9
VDD
22
0
GND
22
1
SRAM3
A
9
22
2
SRAM3
A
10
22
3
SRAM3
A
11
22
4
SRAM3
A
12
22
5
SRAM3
A
13
22
6
SRAM3
A
14
22
7
\S
R
A
M
3
W
E
22
8
\S
R
A
M
3
O
E
22
9
GND
23
0
VDD
23
1
SRAM3
D
0
23
2
SRAM3
D
1
23
3
SRAM3
D
2
23
4
SRAM3
D
3
23
5
SRAM3
D
4
23
6
SRAM3
D
5
23
7
SRAM3
D
6
23
8
SRAM3
D
7
23
9
VDD
24
0
IC18
IS61C256-12J
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
WE
27
OE
22
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
VCC
28
GND
14
C160
104Z
C106
104Z
C103
104Z
C2
104Z
C101
104Z
R107
0J
C156
104Z
C125
223Z
X1
32MHz
VCC
1
OUT
3
G
2
R125
0J
R124
20J
C124
223Z
IC9A
74AC32
1
2
3
IC9B
74AC32
4
5
6
IC9D
74AC32
12
13
11
R123
0J
IC9C
74AC32
9
10
8
C242
104Z
C11
104Z
RAMA13
RAMA9
RAMA1
RAMA7
RAMA14
RAMA12
RAMA3
RAMA5
RAMA8
RAMA2
RAMA11
RAMA6
RAMA4
RAMA10
RAMA0
AELD3
AELD4
AELD2
AELD7
AELD0
AELD1
AELD5
AELD6
SWD2
SWD5
SWD1
SWD3
SWD7
SWD4
SWD6
SWD0
RAMD6
RAMA13
RAMA11
RAMA2
RAMA0
RAMD3
RAMD1
RAMA6
RAMA1
RAMA12
RAMA10
RAMA7
RAMD0
RAMA8
RAMA14
RAMA9
RAMA3
RAMD7
RAMD5
RAMA5
RAMA4
RAMD4
RAMD2
GMO
U
T
0
GMO
U
T
1
GMO
U
T
2
GMO
U
T
3
GMO
U
T
7
GMO
U
T
5
GMO
U
T
6
GMO
U
T
4
GMD7
GMD2
GMD0
GMD4
GMD5
GMD6
GMD1
GMD3
GMA9
GMA14
GMA1
GMA12
GMA11
GMA10
GMA4
GMA8
GMA3
GMA2
GMA7
GMA0
GMA6
GMA5
GMA13
IM
G_
DI
N2
IM
G_
DI
N3
CCD_CLK
IMG_DIN1
IMG_DIN2
IMG_DIN6
IMG_DIN0
IMG_DIN3
IMG_DIN5
IMG_DIN7
IMG_DIN4
CCD_CLK
LAT_CLK
MWE\
GOE\
GWE\
IMG_D1
IMG_D2
IMG_D6
IMG_D0
IMG_D3
IMG_D5
IMG_D7
IMG_D4
A5
A2
A8
A4
A7
A3
A6
CAD2
CAD3
CAD0
CAD1
CAD4
CAD5
CAD7
CAD6
A11
A9
A10
GMD2
GMD0
GMD3
GMD4
GMD1
GMD5
AEL
A1
AEL
A2
AEL
A4
SW
A8
AEL
A1
2
AEL
A1
0
AEL
A8
AEL
A7
AEL
A1
3
SW
D0
AEL
A5
AEL
A9
SW
A9
AEL
A1
1
AEL
A6
AEL
A0
AEL
A3
AEL
A1
4
GMD6
GMD7
IM
G_
DI
N0
IM
G_
DI
N1
GMA0
GMA1
GMA2
GMA3
GMA4
IM
G_
DI
N4
IM
G_
DI
N5
IM
G_
DI
N6
IM
G_
DI
N7
GMA14
GMA12
GMA11
GMA10
GMA13
GMA5
GMA6
GMA7
GMA8
GMA9
SW
A10
SW
A14
SW
A13
SW
A12
SW
A11
SW
D7
SW
D6
SW
D2
SW
D5
SW
D1
SW
D4
SW
D3
SET\
AEL
D1
AEL
D7
AEL
D2
AEL
D6
AEL
D4
AEL
D0
AEL
D5
AEL
D3
LAT_CLK
CCD_CLK
SWA7
SWA6
SWA5
SWA4
SWA3
SWA2
SWA1
SWA0
SWA7
SWA6
SWA5
SWA4
SWA3
SWA2
SWA1
SWA0
SWA10
SWA11
SWA12
SWA13
SWA14
SWA8
SWA9
AELA0
AELA1
AELA2
AELA3
AELA4
AELA5
AELA6
AELA7
AELA10
AELA8
AELA9
AELA11
AELA12
AELA13
AELA14
SRAMA7
SRAMA13
SRAMA1
SRAMD4
SRAMA9
SRAMA2
SRAMA0
SRAMD7
SRAMD3
SRAMA0
SRAMA6
SRAMD0
SRAMD0
SRAMA7
SRAMD2
SRAMD5
SRAMD6
SRAMA10
SRAMD1
SRAMA5
SRAMD3
SRAMD4
SRAMA4
SRAMA1
SRAMA13
SRAMA5
SRAMA2
SRAMA6
SRAMA8
SRAMA3
SRAMD7
SRAMA12
SRAMA10
SRAMA9
SRAMA8
SRAMA3
SRAMA4
SRAMD6
SRAMD1
SRAMA11
SRAMD5
SRAMA14
SRAMD2
SRAMA14
SRAMA11
SRAMA12
MOE\
+3.3V
+5V1
+5V1
+5V1
+5V1
+3.3V
+5V1
+5V1
+5V1
+5V1
RES_IMG\
HSYNCO\
CAD [0:31]
A [2:23]
LD_START2
LFWE\
GMOUT [0:7]
GMA [0:14]
WR0\
RD0\
CS_IMGGA\
SCAN
GMD [0:7]
AREAIN\
IMGEN\
RYO0
RYO1
RYO2
A2D3
A2D2
A2D1
A2D0
CN3-28
CN8-30
CN3-9
CN3-8
CN3-7
CN3-6
CN3-5
CN3-4
CN3-2
CN3-3
CN3-11
IMG_32MHz
IMG_SUBCLK
SRAM_OE\
SRAM_WE\
SRAM_WE\
SRAM_OE\
IC14*4
6-4B
1-1D,2-1D,5-8C,6-8C,15-4C
1-1D,2-1B,5-8B,6-8C
2-2A,2-6A,3-3D,6-8B,7-2D,7-3A
5-6B
5-6B
7-3A
1-3C,1-5C,2-7C,6-8B
1-3C,1-5C,2-7C,5-6B,6-8B
2-7C
7-7A
IC5,IC9
5-1C,6-8C
8-8C,9-6C,10-3A,12-7D,13-1C,13-6C
7-7A
7-2A
7-3A
7-3A
7-3A
7-7A
7-3A
7-3A
7-3A
7-3A
1
9
2
8
3
7
4
6
5-6B,6-5A
7-2B,9-3C
ICU PWB (IMG_G/A)
4/15
335-C11.DSF

Download Sharp AR-285 (serv.man19) Service Manual (Repair Manual)

Here you can view online or download Sharp AR-285 (serv.man19) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp AR-285 (serv.man19) Copying Equipment. Information contained in Sharp AR-285 (serv.man19) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).