AR-285 (serv.man20). AR280 285 335 Circuit PCU PWB — Sharp Copying Equipment Service Manual (repair manual)

Model
AR-285 (serv.man20)
Pages
7
Size
281.94 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR280 285 335 Circuit PCU PWB
File
ar-285-sm20.pdf
Date

View Sharp AR-285 (serv.man20) 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
R267
10KJ
C297
0.01u/50V
R265
1.2KJ
C298
102K
R262
20KJ
R277
910J
C314
223Z
R246
4.7KJ
R259
4.7KF
R257
8.2KJ
R260
47KF
R256
680J
R258
300KJ
D202
MA704A
R244
47KJ
R245
10KJ
R241
4.7KJ
R242
10KJ
R243
47KJ
RTH1
JP8
GND2B
JP9
C208
223Z
C205
223Z
C209
223Z
C6
470u/16V
+
R13
47J 3W
C2
470u/35V
+
C7
470u/10V
+
R269
15KF
R273
10KJ
R272
10KJ
R240
13KF
R247
100J
Q205
2SC2412K
C294
223Z
R255
680F
C312
102K
Q2
2SC945
R8
100F 1/2W
R276
5.6KJ
R275
5.6KJ
Q1
2SC945
R7
100F 1/2W
C313
102K
R254
3.9KF
IC23A
LM324
3
2
1
4
11
+
-
IC31A
LM324
3
2
1
4
11
+
-
IC23B
LM324
5
6
7
+
-
IC23C
LM324
10
9
8
+
-
IC23D
LM324
12
13
14
+
-
IC31B
LM324
5
6
7
+
-
IC31C
LM324
10
9
8
+
-
C302
102K
C303
102K
C301
102K
C300
102K
R280
4.7KF
R281
47KF
R284
300KJ
D212
MA704A
RTH2
JP7
IC31D
LM324
12
13
14
+
-
IC24C
LM339
9
8
14
+
-
R261
620J
R249
10KJ
R253
10KJ
R278
8.2KJ
IC24B
LM339
7
6
1
+
-
R279
680J
R252
10KJ
R250
620J
R251
10KJ
+24V1
JP3
+12V1
JP2
+5V1
JP5
GND1
JP1
GND2C
JP4
GND2D
JP6
R233
390J
R215
10KJ
R216
1KJ
Q202
DTC114Y
10K
47K
3
2
1
C211
223Z
C8
3.3u/50V
+
R264
1.5KF
R268
1.5KF
IC24D
LM339
11
10
13
3
12
+
-
ZD4
HZS5B3
A
K
ZD3
HZS5CLL
A
K
ZD2
HZS5CLL
A
K
LEDI
GL3PR8
A
K
D211
DAN202K
K
A1
A2
C348
102K
C349
102K
C350
102K
R263
1.5KF
D204
DAP202K
K1
K2
A
D203
DAP202K
K1
K2
A
R271
10KJ
D210
DAN202K
K
A2
A1
D206
DAP202K
K1
K2
A
D205
DAP202K
K1
K2
A
D209
DAN202K
K
A2
A1
D207
DAN202K
K
A2
A1
D208
DAN202K
K
A2
A1
R266
100KJ
R298
10KJ
C352
102K
D215
DAP202K
K1
K2
A
D216
DAN202K
K
A2
A1
GND1
GND1
+5V1
AVCC
+12V1
Vref
Vref
+12V1
+12V1
+5V1
+24V1
+12V1
+12V1
Vref
Vref
+5V1
+5V1
Vref
+5V1
+5V1
+5V1
Vref
+5V1
FWS
FTH1
RTH2
PCLED
DMLED
TCSin
DMSin
RTH1
PCSin
MPWS
PD
FTH2
TH2OP\
TH1OP\
MEMSW_MON\
+12V1
FW
FW
VAREF
MEMSW_MON
MPWS
DMS
PCS
PCLED\
DMLED\
+24V2
+12V1
+5V1
GND2
+5V1
GND2
GND2
+24V1
GND1
+24V2
+24V1
+24V1
GND1
GND1
+5V1
GND2
+24V1
GND1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
+24V(DL)
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
+24V1
GND1
GND1
GND1
GND1
GND1
GND1
+5V1
+24V1
+24V1
GND1
+24V1
+24V1
+24V1
+12V1
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
TCS
PD
RTH1
RTH2
PTH
PTH
GND2
PCU PWB
1-8D
5-8B
1-1C
1-1C
5-8B
1-1A
1-1A
CN 8-25
CN 4-A8
CN 2-B11
CN 8-4
CN 1-B2
CN 1-B4
CN 1-A2
CN 6-1
CN 5-A6
CN 6-2
CN 1-B5
CN 1-B3
CN 8-3
CN 8-5
CN 8-6
CN 8-7
CN 8-8
CN 8-9
CN 8-10
CN 8-11
CN 8-12
CN 8-13
CN 8-14
CN 8-15
CN 8-16
CN 8-19
CN 8-18
CN 8-21
CN 8-23
CN 8-27
CN 1-B1
CN 5-B9
CN 1-A3
CN 2-B13
CN 9-A16
CN 9-B3
CN 9-B4
CN10-A5
CN11-A8
CN 1-A1
CN 1-B7
CN 6-3
CN 2-B12
CN 4-B15
CN 5-A5
CN 5-A10
CN 5-B8
CN 7-A2
CN 1-B11
CN 1-A9
CN 2-A1
CN 2-A4
CN 2-A7
CN 2-B2
CN 5-A8
CN 9-A7
CN 9-A9
CN 9-B7
CN10-A3
CN10-B13
CN11-A3
CN 1-A11
CN 5-B4
CN 2-A3
CN 7-B11
CN12-2
CN 1-A8
CN 2-A8
CN 2-B10
CN13-6
CN 1-B6
CN 1-B12
CN11-B8
CN 5-B3
CN 5-B6
CN 6-4
CN 6-7
CN 9-A1
CN 9-A3
CN 9-A5
CN 9-B9
CN 9-B11
CN10-B14
CN11-B3
CN12-1
CN 6-6
CN 6-9
CN 8-17
1-1A
CN 5-A7
CN 9-B6
CN13-1
CN11-B12
CN 9-B1
CN11-A12
CN10-A6
CN 9-A15
B10
CN 4-A6
1-5D
1-5D
1-5D
1-5D
1-5D
1-5D
1-5D
1-5D
CN 4-A10
335-C24.DSF
2/6
1
2
3
4
5
6
7
8
D
C
B
A
D
C
B
A
1
2
3
4
5
6
7
8
C214
102K
C215
102K
C216
102K
C217
102K
C238
102K
C237
102K
C236
102K
C235
102K
C222
102K
C223
102K
C224
102K
C225
102K
C243
102K
C241
102K
C218
102K
C219
102K
C220
102K
C221
102K
C233
102K
C232
102K
C231
102K
C226
102K
C227
102K
C228
102K
C229
102K
C248
102K
C247
102K
C246
102K
R220
10KJ
R239
47KJ
R237
47KJ
R238
47KJ
C240
102K
C230
102K
C245
102K
R217
10KJ
C242
102K
C344
101K
C343
102K
IC39D
74VHCT04
9
8
IC39B
74VHCT04
3
4
IC39F
74VHCT04
13
12
IC39E
74VHCT04
11
10
C341
223Z
C267
102K
C268
102K
C269
102K
C270
102K
C289
102K
C288
102K
C287
102K
C263
102K
C264
102K
C265
102K
C266
102K
C284
102K
C283
102K
C282
102K
R292
470J
R14
2.4KJ 1/2W
R248
470J
R6
2.4KJ 1/2W
C286
102K
C281
102K
C259
102K
C260
102K
C261
102K
C262
102K
C279
102K
C278
102K
C277
102K
C276
102K
R228
10KJ
R229
10KJ
R230
10KJ
C255
102K
C256
102K
C257
102K
C258
102K
C274
102K
C273
102K
C272
102K
C271
102K
R234
10KJ
IC34A
74VHCT04
1
2
IC34E
74VHCT04
11
10
IC34D
74VHCT04
9
8
IC34B
74VHCT04
3
4
IC34C
74VHCT04
5
6
R287
2.2KJ
IC39C
74VHCT04
5
6
R290
1.2KJ
C342
223Z
IC39A
74VHCT04
1
2
IC34F
74VHCT04
13
12
C244
223Z
C234
223Z
C249
223Z
C290
223Z
C340
223Z
C292
223Z
C309
223Z
C293
223Z
C239
223Z
C337
223Z
C322
223Z
IC14
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC12
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC13
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC11
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC18
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC19
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
IC20
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
C285
223Z
C280
223Z
BR4B
BR4C
BR4D
BR7C
BR7D
BR2A
BR2D
BR2C
BR2B
BR5B
BR5D
BR5C
BR5A
BR3D
BR3C
BR3B
BR6B
BR6D
BR6C
BR6A
BR8C
BR8D
BR1B
BR1C
BR1D
BR1A
BR3A
BR12D
BR15A
BR15B
BR15C
BR9A
BR9B
BR9C
BR9D
BR8B
BR10A
BR10B
BR10D
BR10C
BR8A
BR14A
BR11B
BR11C
BR11D
BR14B
BR14C
BR14D
BR15D
BR11A
BR7B
BR4A
BR7A
D213
DAN202K
K
A2
A1
D214
DAN202K
K
A2
A1
D201
DAN202K
K
A2
A1
D200
DAN202K
K
A2
A1
C275
223Z
BR12C
BR12B
BR12A
IC21
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
1
8
2
7
3
6
4
5
C345
101K
4
5
3
6
2
7
1
8
IC45A
LM339
5
4
2
3
12
+
-
R295
10KF
R296
4.7KF
BR38D
IC45B
LM339
7
6
1
+
-
BR38A
IC45C
LM339
9
8
14
+
-
IC45D
LM339
11
10
13
+
-
BR38C
BR38B
DSW-F
DSW-L
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+12V1
+12V1
+12V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+5V1
+12V1
+5V1
STB0
STB1
STB2
STB3
S0
S1
S2
RES_SOT
PCU_TXD
LD_START
PCU_RES\
RES_IO
STB4
STB5
STB6
RES_DSK
RES_LCC
RES_ADF
SCAN
PCU_LRQ
PAGE
PCU_RXD
PCU_RDY
PCU_CLK
RES/
UCSS1
UCSPD1
DVCH1
EHPED
PFD
MPED
MM-T
CV_COPY
UCSS2
DVCH2
ELPED
PPD1
PSD
THV-T
DSWLL
LCSPD1
DVCH3
ELLD
POD1
DPPD1
MHV-T
POD3
UCSS4
LCSPD2
DVCH4
EPFD
POD2
DPPD2
DSWR
LCSS1
LUD1
MPLD1
EUND
DPUND
DPPD3
LCSS2
LUD2
MPLD2
EOCSW
OUD1
PED1
MPLS1
OCSW
TFD
OUD2
TMS
LCSS4
PED2
MPLS2
DSWL
DSWF
RES_SOT
RES_DSK
RES_LCC
RES_ADF
DSWF
DSWL
DSWL
PCU_RXD\
PCU_RDY\
PCU_LRQ\
SCAN\
PAGE\
PCU_TXD\
PCU_CLK\
PCU_RES
LD_START\
RES
UCSPD2
UCSS3
LCSS3
STB7
RES_SOTin
RES_SOT
RES_LCCin
RES_LCC
RES_ADFin
RES_DSKin
RES_ADF
RES_DSK
RES_ADFin
RES_LCCin
RES_DSKin
RES_SOTin
PCU PWB
1-4A
1-5A
1-8C
1-8C
1-8D
1-1B,1-3C,1-5C
1-5A
1-4A
1-4A
1-4A
1-4A
1-5A
1-5A
1-4A
1-4A
1-4A
1-4A
1-4A
1-4A
1-4A
1-8C
1-8C
1-3B
1-5A
1-8C
74HC32
LM339
LM324
74VHCT04
CN11-A16
CN11-A2
CN 5-A1
CN 4-B2
CN 9-A14
CN 2-B7
CN 1-B9
CN12-3
CN11-A15
CN11-A1
CN 4-B1
CN 9-A12
CN 9-B5
CN 7-B8
CN 7-A1
CN11-A14
CN11-B2
CN 4-A11
CN10-A8
CN10-A13
CN 7-B10
CN10-A10
CN11-A13
CN11-B1
CN 4-A12
CN10-A9
CN10-A14
CN 9-A13
CN 7-A13
CN11-B16
CN11-A6
CN 2-B9
CN 4-A15
CN10-A7
CN10-A15
CN11-B15
CN11-B6
CN 2-B8
CN 4-A14
CN10-A1
CN11-B14
CN11-A7
CN 2-B6
CN 5-B7
CN 9-B2
CN10-A2
CN 5-A9
CN11-B13
CN11-B7
CN 2-B5
CN 2-A10
CN 2-A11
CN 2-A13
CN 7-B12
CN 8-31
CN 4-B12
CN 4-B11
CN 4-B10
CN 4-B9
CN 4-A7
CN 7-A7
CN 4-A5
CN 5-B12
CN 5-A2
CN 5-A3
CN 5-A4
AC
+24V2
HV
CN 4-B13
CN 4-B14
CN 4-B7
CN 4-B8
CN 4-A9
1-5D
BR33
2.2K*4
BR35
1.2K*4
B2
B3
B4
B5
B6
B7
B8
B9
1-4A
1-4A
1-4A
1-4A
3-2B
3-2B
3-2B
3-2B
3-6B
3-3D
3-3C
3-3C
3/6
335-C25.DSF
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Download Sharp AR-285 (serv.man20) Service Manual (Repair Manual)

Here you can view online or download Sharp AR-285 (serv.man20) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp AR-285 (serv.man20) Copying Equipment. Information contained in Sharp AR-285 (serv.man20) 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).