DOWNLOAD Sharp AR-D28 (serv.man2) Service Manual ↓ Size: 6.38 MB | Pages: 84 in PDF or view online for FREE

Model
AR-D28 (serv.man2)
Pages
84
Size
6.38 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / ARD28 Service Manual
File
ar-d28-sm2.pdf
Date
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AR-D28/D27/MU2
DISASSEMBLY AND ASSEMBLY, MAINTENANCE
7 – 19
a-6. Upper limit sensor
a-7. Paper empty sensor
a-8. Paper transport sensor
a-9. Side door open/close sensor
a-10. Transfer rollers
1) Remove the paper feed unit.
b. Multi-purpose drive unit
1) Remove the rear cabinet.
2) Remove the tray drive section.
b-1. Gears
1) Remove the tray drive section.
c-1. Rear edge size PWB
c-1. Remaining paper quantity sensor
1) Pull out the multi-purpose tray.
a
a
a
1)
1)
1)
1)
2)
3)
4)
3)
3)
4)
4)
a
 a 
 b 
 b 
 a 
 b 
2)
1)
1)
5)
4)
4)
3)
a
5)
4)
AR-D28/D27/MU2
BLOCK DIAGRAM, WIRING DIAGRAM,CIRCUIT DIAGRAM, PARTS ARRANGEMENT
8 – 1
[8] BLOCK DIAGRAM, WIRING DIAGRAM,CIRCUIT DIAGRAM,  PARTS ARRANGEMENT
A. BLOCK DIAGRAM
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1/1
5V/S-GND
DCPS
RELAY
UNIT
P-GND
S-GND
+24V
+5V
DI
G
IT
A
L
TR
A
N
S
IS
TO
R
DI
GI
TA
L
TR
A
NS
IST
OR
TMMCLK/
TMM/
TMM-T
TMM
24V/P-GND
MCLUM/
P-GND
S-GND
S-GND
S-GND
MCPWS
5V/S-GND
S-GND
5V/S-GND
5V/S-GND
5V/S-GND
5V/S-GND
5V/S-GND
5V/S-GND
TLUD1
TLUD2
5V/S-GND
5V/S-GND
TPFD1
5V/S-GND
5V/S-GND
TPED2
5V/S-GND
MCSPD
MCSS4
MCSS3
MCSS2
MCSS1
MCLUD
MCPED
TDRS
TTSD
TPFD3
TPFD2
TPED1
5V/S-GND
5V/S-GND
TSPD1
TSPD2
T
R
A
NS
IST
O
R
            
    AR
R
A
Y
P-GND
TLUM2/
P-GND
24V
24V
MCPCL/
TLUM1/
TPFCL/
H
8/
3
64
4
TA
ND
EM
 D
E
S
K
 UN
IT
DI
GI
T
A
L
TR
A
NS
IS
T
O
R
DI
G
IT
A
L
T
RA
NS
IS
T
O
R
D
IG
ITA
L
T
R
A
NS
IS
TO
R
DI
G
IT
A
L
TR
A
N
S
IST
O
R
D
IG
IT
AL
T
R
A
N
SI
S
T
O
R
F-
G
N
D
TR
C
-
D
S
K
/
R
E
S-
D
S
K
D
S
R
-
DS
K
/
D
T
R-
D
S
K
/
R
X
D-
D
S
K
T
X
D-
D
S
K
T
A
N
 C
on
tro
l 
P
WB
CP
U
TPCL2/
24V
PR
IN
T
E
R
TPCL1/
24V
TR
A
N
SI
S
T
OR
TR
AN
S
IS
T
O
R
TR
A
NS
IS
T
O
R
DI
G
ITA
L
TR
A
NS
IST
O
R
DI
G
IT
A
L
TR
A
NS
IS
T
O
R
AC L
DHRY1
SCN UN
AC 
L
OPTIONALY
DHRY2
SCN UN
AC 
L
AC N
24V
DH PWB
DH SW
F
 AR-D28
AR-D28/D27/MU2
BLOCK DIAGRAM, WIRING DIAGRAM,CIRCUIT DIAGRAM, PARTS ARRANGEMENT
8 – 2
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1/1
24V
DPCL1/
24V
DPCL2/
24V
24V
P-GND
DPED1
DPFD1
P-GND
5V/S-GND
DPED2
5V/S-GND
5V/S-GND
DPFD2
5V/S-GND
5V/S-GND
DLUD2
DLUD1
5V/S-GND
5V/S-GND
5V/S-GND
5V/S-GND
5V/S-GND
S-GND
MCPCL/
DPFCL/
DLUM1/
DLUM2/
DPFD3
DDRS
MCPED
MCLUD
MCSS1
MCSS2
MCSS3
MCSS4
MCSPD
MCPWS
DCSS11
S-GND
S-GND
S-GND
S-GND
DSPD1
5V/S-GND
5V/S-GND
DSPD2
DCSS12
DCSS13
DCSS14
S-GND
S-GND
S-GND
MCLUM/
P-GND
S-GND
S-GND
S-GND
S-GND
DCSS21
DCSS22
DCSS23
DCSS24
DHRY1
DHRY2
DH PWB
AC L
AC N
AC L
DH MPF
DH DESK
SCN UN
DMMCLK/
DMM/
DMM-T
24V/P-GND
DMM
SCN UN
AC L
AC N
5V/S-GND
5V/S-GND
AC N
AC N
AC L
OPTIONALY
+5V
+24V
S-GND
P-GND
DCPS
RELAY
UNIT
24V
AC L
AC L
DH SW
PRINTER
DIGIT
A
L
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
TXD-DSK
RXD-DSK
DTR-DSK/
DSR-DSK/
RES-DSK
TRC-DSK/
F-GND
H8/3644
CPU
3T Control PWB
TRANSIST
OR   
ARRA
Y
TRANSIST
OR
TRANSIST
OR
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
DIGIT
A
L
TRANSIST
OR
2ND DESK UNIT
F
 AR-D27
AR-D28/D27/MU2
BLOCK DIAGRAM, WIRING DIAGRAM,CIRCUIT DIAGRAM, PARTS ARRANGEMENT
8 – 3
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1/1
MC
D
R
S
VD/S-GND
P
R
INT
E
R
MA
L
TI
 C
S
 UNI
T
+5
V
1
(V
D
)
GN
D
2
(P
-G
N
D
)
M
C
F
C
L/
M
C
LU
M/
M
C
PC
L
/
Mu
lt
i P
W
B
+
2
4V
2(
V
B
)
VA
R
EF
M
CP
P
D
MC
D
R
S
MC
P
E
D
MC
L
UD
M
CP
WS
M
CP
WS
MC
D
R
S
M
CP
PD
VD/S-GND
VD/S-GND
M
CL
U
D
D
C
P
R
/
MC
S
P
D
MC
S
E
T
MC
S
S
1
M
C
S
S2
M
CS
S
3
M
CS
S
4
GN
D
1
(S-
G
ND
)
MC
M
-T
MC
MC
L
K
/
M
C
M/
M
CP
PD
MC
L
U
D
MC
S
P
D
VD/S-GND
VD/S-GND
MC
P
E
D
M
CS
P
D
M
C
PE
D
S-GND
MC
S
S
1
M
CS
S
1
S-GND
MC
S
S
2
M
C
S
S2
S-GND
MC
S
S
3
MC
S
S
3
M
CS
S
4
MC
SS
4
S-GND
M
C
PW
S
VAREF
M
C
F
C
L
/
DC
P
R
/
VB
M
CM
C
L
K
/
MC
FCL
/
M
CP
C
L
/
MC
M
MC
M
-T
VB
M
CL
U
M
/
M
CM
/
M
CP
CL
/
P-GND
VB/P-GND
MC
L
U
M
/
DH MPF
D
H
 PW
B
A
C
 L
AC
 N
AC
 N
A
C
 L
M
CS
E
T
M
C
S
E
T
S-GND
OP
T
IO
N
AL
Y
VB
DH-SW
 AR-MU2
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