Sharp AR-285 (serv.man26) Service Manual ▷ View online
4
1
3
5
6
2
4
1
3
5
6
2
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
Q16
RN1427
RN1427
D10
S1G
PGND
TXD
CN9-2
RXD
CN9-3
BTR
CN9-4
BSR
CN9-5
RESET
CN9-6
SGND
CN9-1
+5V
CN6-3
SGND
CN6-4
AGND
CN2-6
DFMRS
CN2-5
SGND
CN2-4
+5V
CN1-10
DLS3
CN1-12
SGND
CN1-11
ZD1
6.2V
6.2V
DC+24V
CN6-1
PGND
CN6-2
C55
47µ F
47µ F
C50
0.1µ F
0.1µ F
+5V
PGND
DC+24V
+5V
1
2
IC5-1
HD74LS06FP
4
3
3
4
IC5-2
HD74LS06FP
+5V
R51
4.7K
C3
1000PF
1000PF
TP18
+5V
C43
0.1µ F
0.1µ F
D9
S1G
S1G
C12
0.010µ F
0.010µ F
C31
47µ F
47µ F
2
1
C2
1000PF
1000PF
R77
4.7K
IC4-1
TC74HC14AF
IC4-2
TC74HC14AF
R52
D6
DSA010
4.7K
R30
10K
R58
4.7K
Q5
2SC2712
2SC2712
C44
0.1µ F
0.1µ F
R61
4.7K
4.7K
R59
4.7K
4.7K
R57
4.7K
4.7K
DFD
CN3-5
+5v
CN3-4
DFDLED
CN3-6
+5v
TLP1225
10
11
IC4-5
TC74HC14AF
1
7
6
C24
3300PF
3300PF
AGND
R55
4.7K
+5V
AGND
+5V
R11
10K
TP13
+5V
AN+24V
R81
2.0K
2.0K
C14
0.10µ F
R56
4.7K
4.7K
R66
4.7K
4.7K
R46
100K
IC9-2
µ PC339G2
R79
22K
22K
TP12
+5V
R54
4.7K
4.7K
5
6
1
R87
10K
Q4
2SC2712
IC13-2
µ PC358G2
R93
100
C6
1000PF
DTFDA
DFDOUT
DFMRS
TXD
RXD
DTR
DSR
RESET
DTD
CN3-2
+5v
CN3-1
DTDLED
CN3-3
2
5
4
AGND
AGND
R10
10K
+5V
AN+24V
R80
2.0K
2.0K
C19
0.10µ F
R95
2.0K
2.0K
R45
100K
IC9-1
µ PC339G2
R78
22K
22K
+5V
R53
4.7K
4.7K
3
2
1
R86
10K
Q3
2SC2712
IC13-1
µ PC358G2
R94
100
C5
1000PF
DTDDA
DTDOUT
+5V
CN3-7
DWS
CN3-9
SGND
CN3-8
NC
CN3-10
TP24
+5V
Q12
FN1L3M
FN1L3M
R29
15K
R100
180
R33
10K
R47
150K
C21
0.010µ F
0.010µ F
R34
10K
DWMR
DLS1
DLS2
DLS3
DSS
DWS
DTD
DFD
TLP1240
+5V
CN2-1
DSS
CN2-3
SGND
CN2-2
+5V
R101
180
R115
15K
15K
R23
10K
C16
0.010µ F
0.010µ F
IC4-4
TC74HC14AF
9
8
C23
0.010µ F
0.010µ F
R38
10K
+5V
CN1-7
DLS2
CN1-9
SGND
CN1-8
C18
0.010µ F
0.010µ F
R36
10K
+5V
CN1-4
DLS1
CN1-6
SGND
CN1-5
C17
0.010µ F
0.010µ F
R35
10K
+5V
+5V
+5V
CN1-1
DWVR
CN1-2
SGND
CN1-3
R76
1.0M
1.0M
R65
4.7K
4.7K
R71
4.7K
4.7K
+5V
+5V
TLP1240
GP1A25LC
GP1A25LC
GP1A25LC
R21
10K
R22
10K
R43
10K
+5V
R68
14.7K
14.7K
R105
20K
20K
ZD3
16V
+24V
C56
0.22µ F
R92
4.7
13
12
IC4-6
TC74HC14AF
TC74HC14AF
Q10
FA1L3N
FA1L3N
Q9
PGND
R83
1.0K
R106
2.0K
Q13
2SJ265
C8
1000PF
DC+24V CN8-6
FAN
FAN
CN8-7
DC+24V
TP48
R85
1.0K
FANPWM
AGND
DC+24V
C29
0.10µ F
0.10µ F
C57
4.7µ F
4.7µ F
R118
10
AN+24V
C45
1.0µ F
C59
1.0µ F
C60
1.0µ F
C52
1.0µ F
C35
0.1µ F
C51
1.0µ F
C36
0.1µ F
C47
0.1µ F
C48
C61
1.0µ F
C41
1.0µ F
1.0µ F
C62
1.0µ F
C58
1.0µ F
+5V
AN+24V
C25
0.10µ F
C30
0.10µ F
E2ROM+5V
C38
0.1µ F
0.1µ F
AGND
6
5
7
IC14-2
µ PC58G2
5
9
13
6
8
12
IC4-3
HD74LS06FP
IC5-4
IC5-6
HD74LS06FP
HD74LS06FP
TP38
C13
0.010µ F
0.010µ F
R60
4.7K
TP8
TP7
TP9
+5V
GND
DC+24V
PGND
11
10
IC5-5
HD74LS06FP
ZD6
18V
ZD7
18V
+5V
+5V
AUOD
R10
10K
10K
R13
10K
10K
FGOD
Q7
FA1L3N
FA1L3N
Q8
NC
CN5-9
DC+24V
CN5-8
AUOD
CN5-7
DC+24V
CN5-6
FGOD
CN5-5
DC+24V
FD+24V
+5V
TGOD
R40
10K
10K
Q11
FA1L3N
TGOD
CN7-2
AUOD
CN7-1
ZD5
18V
+5V
R25
4.7K
4.7K
PGND
FD+24V
R44
4.7K
4.7K
PGND
C40
47µ F
47µ F
AGND
C26
0.10µ F
AN+24v
CN8-1
CN8-2
+5V
C15
0.10µ F
AGND
R108
2.2K
2.2K
TP50
CN8-3
RDD
RDDLED
13
10
11
AGND
R72
4.7K
R48
100K
IC9-4
µ PC339G2
+5V
R73
4.7K
4.7K
Q17
FA1L3M
AGND
R63
1.5K
1.5K
R74
3.0K
R32
10K
10K
R70
10K
AGND
R64
10K
+5V
D4
SB02-03Q
SB02-03Q
1
2
3
R6
10K
10K
R7
10K
IC14-1
µ PC358G2
AGND
AGND
C22
0.010µ F
R107
2.2K
2.2K
TP47
TP14
AGND
C20
0.10µ F
0.10µ F
C46
0.10µ F
0.10µ F
R31
4.7K
RDD
RDDLED
RDDOUT
RDDPWM
CONTROL PWB CIRCUIT-2 (RADF)
Tray document
width VR
width VR
Document length
sensor 1
sensor 1
Document length
sensor 2
sensor 2
Document length
sensor 3
sensor 3
Document set
sensor
sensor
Document width
sensor
sensor
Document timing
sensor
sensor
Document feed
sensor
sensor
Paper feed
motor rotation
sensor
motor rotation
sensor
Reverse
sensor
sensor
Communication
signal line
signal line
Power supply
Reverse guide
switch
switch
ADF open/close
switch
switch
Paper feed guide
open/close switch
open/close switch
FAN motor
4
1
3
5
6
2
4
1
3
5
6
2
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
Q16
RN1427
RN1427
D10
S1G
PGND
TXD
CN9-2
RXD
CN9-3
BTR
CN9-4
BSR
CN9-5
RESET
CN9-6
SGND
CN9-1
+5V
CN6-3
SGND
CN6-4
AGND
CN2-6
DFMRS
CN2-5
SGND
CN2-4
+5V
CN1-10
DLS3
CN1-12
SGND
CN1-11
ZD1
6.2V
6.2V
DC+24V
CN6-1
PGND
CN6-2
C55
47µ F
47µ F
C50
0.1µ F
0.1µ F
+5V
PGND
DC+24V
+5V
1
2
IC5-1
HD74LS06FP
4
3
3
4
IC5-2
HD74LS06FP
+5V
R51
4.7K
C3
1000PF
1000PF
TP18
+5V
C43
0.1µ F
0.1µ F
D9
S1G
S1G
C12
0.010µ F
0.010µ F
C31
47µ F
47µ F
2
1
C2
1000PF
1000PF
R77
4.7K
IC4-1
TC74HC14AF
IC4-2
TC74HC14AF
R52
D6
DSA010
4.7K
R30
10K
R58
4.7K
Q5
2SC2712
2SC2712
C44
0.1µ F
0.1µ F
R61
4.7K
4.7K
R59
4.7K
4.7K
R57
4.7K
4.7K
DFD
CN3-5
+5v
CN3-4
DFDLED
CN3-6
+5v
TLP1225
10
11
IC4-5
TC74HC14AF
1
7
6
C24
3300PF
3300PF
AGND
R55
4.7K
+5V
AGND
+5V
R11
10K
TP13
+5V
AN+24V
R81
2.0K
2.0K
C14
0.10µ F
R56
4.7K
4.7K
R66
4.7K
4.7K
R46
100K
IC9-2
µ PC339G2
R79
22K
22K
TP12
+5V
R54
4.7K
4.7K
5
6
1
R87
10K
Q4
2SC2712
IC13-2
µ PC358G2
R93
100
C6
1000PF
DTFDA
DFDOUT
DFMRS
TXD
RXD
DTR
DSR
RESET
DTD
CN3-2
+5v
CN3-1
DTDLED
CN3-3
2
5
4
AGND
AGND
R10
10K
+5V
AN+24V
R80
2.0K
2.0K
C19
0.10µ F
R95
2.0K
2.0K
R45
100K
IC9-1
µ PC339G2
R78
22K
22K
+5V
R53
4.7K
4.7K
3
2
1
R86
10K
Q3
2SC2712
IC13-1
µ PC358G2
R94
100
C5
1000PF
DTDDA
DTDOUT
+5V
CN3-7
DWS
CN3-9
SGND
CN3-8
NC
CN3-10
TP24
+5V
Q12
FN1L3M
FN1L3M
R29
15K
R100
180
R33
10K
R47
150K
C21
0.010µ F
0.010µ F
R34
10K
DWMR
DLS1
DLS2
DLS3
DSS
DWS
DTD
DFD
TLP1240
+5V
CN2-1
DSS
CN2-3
SGND
CN2-2
+5V
R101
180
R115
15K
15K
R23
10K
C16
0.010µ F
0.010µ F
IC4-4
TC74HC14AF
9
8
C23
0.010µ F
0.010µ F
R38
10K
+5V
CN1-7
DLS2
CN1-9
SGND
CN1-8
C18
0.010µ F
0.010µ F
R36
10K
+5V
CN1-4
DLS1
CN1-6
SGND
CN1-5
C17
0.010µ F
0.010µ F
R35
10K
+5V
+5V
+5V
CN1-1
DWVR
CN1-2
SGND
CN1-3
R76
1.0M
1.0M
R65
4.7K
4.7K
R71
4.7K
4.7K
+5V
+5V
TLP1240
GP1A25LC
GP1A25LC
GP1A25LC
R21
10K
R22
10K
R43
10K
+5V
R68
14.7K
14.7K
R105
20K
20K
ZD3
16V
+24V
C56
0.22µ F
R92
4.7
13
12
IC4-6
TC74HC14AF
TC74HC14AF
Q10
FA1L3N
FA1L3N
Q9
PGND
R83
1.0K
R106
2.0K
Q13
2SJ265
C8
1000PF
DC+24V CN8-6
FAN
FAN
CN8-7
DC+24V
TP48
R85
1.0K
FANPWM
AGND
DC+24V
C29
0.10µ F
0.10µ F
C57
4.7µ F
4.7µ F
R118
10
AN+24V
C45
1.0µ F
C59
1.0µ F
C60
1.0µ F
C52
1.0µ F
C35
0.1µ F
C51
1.0µ F
C36
0.1µ F
C47
0.1µ F
C48
C61
1.0µ F
C41
1.0µ F
1.0µ F
C62
1.0µ F
C58
1.0µ F
+5V
AN+24V
C25
0.10µ F
C30
0.10µ F
E2ROM+5V
C38
0.1µ F
0.1µ F
AGND
6
5
7
IC14-2
µ PC58G2
5
9
13
6
8
12
IC4-3
HD74LS06FP
IC5-4
IC5-6
HD74LS06FP
HD74LS06FP
TP38
C13
0.010µ F
0.010µ F
R60
4.7K
TP8
TP7
TP9
+5V
GND
DC+24V
PGND
11
10
IC5-5
HD74LS06FP
ZD6
18V
ZD7
18V
+5V
+5V
AUOD
R10
10K
10K
R13
10K
10K
FGOD
Q7
FA1L3N
FA1L3N
Q8
NC
CN5-9
DC+24V
CN5-8
AUOD
CN5-7
DC+24V
CN5-6
FGOD
CN5-5
DC+24V
FD+24V
+5V
TGOD
R40
10K
10K
Q11
FA1L3N
TGOD
CN7-2
AUOD
CN7-1
ZD5
18V
+5V
R25
4.7K
4.7K
PGND
FD+24V
R44
4.7K
4.7K
PGND
C40
47µ F
47µ F
AGND
C26
0.10µ F
AN+24v
CN8-1
CN8-2
+5V
C15
0.10µ F
AGND
R108
2.2K
2.2K
TP50
CN8-3
RDD
RDDLED
13
10
11
AGND
R72
4.7K
R48
100K
IC9-4
µ PC339G2
+5V
R73
4.7K
4.7K
Q17
FA1L3M
AGND
R63
1.5K
1.5K
R74
3.0K
R32
10K
10K
R70
10K
AGND
R64
10K
+5V
D4
SB02-03Q
SB02-03Q
1
2
3
R6
10K
10K
R7
10K
IC14-1
µ PC358G2
AGND
AGND
C22
0.010µ F
R107
2.2K
2.2K
TP47
TP14
AGND
C20
0.10µ F
0.10µ F
C46
0.10µ F
0.10µ F
R31
4.7K
RDD
RDDLED
RDDOUT
RDDPWM
CONTROL PWB CIRCUIT-2 (RADF)
Tray document
width VR
width VR
Document length
sensor 1
sensor 1
Document length
sensor 2
sensor 2
Document length
sensor 3
sensor 3
Document set
sensor
sensor
Document width
sensor
sensor
Document timing
sensor
sensor
Document feed
sensor
sensor
Paper feed
motor rotation
sensor
motor rotation
sensor
Reverse
sensor
sensor
Communication
signal line
signal line
Power supply
Reverse guide
switch
switch
ADF open/close
switch
switch
Paper feed guide
open/close switch
open/close switch
FAN motor
4
1
3
5
6
2
4
1
3
5
6
2
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
Q16
RN1427
RN1427
D10
S1G
PGND
TXD
CN9-2
RXD
CN9-3
BTR
CN9-4
BSR
CN9-5
RESET
CN9-6
SGND
CN9-1
+5V
CN6-3
SGND
CN6-4
AGND
CN2-6
DFMRS
CN2-5
SGND
CN2-4
+5V
CN1-10
DLS3
CN1-12
SGND
CN1-11
ZD1
6.2V
6.2V
DC+24V
CN6-1
PGND
CN6-2
C55
47µ F
47µ F
C50
0.1µ F
0.1µ F
+5V
PGND
DC+24V
+5V
1
2
IC5-1
HD74LS06FP
4
3
3
4
IC5-2
HD74LS06FP
+5V
R51
4.7K
C3
1000PF
1000PF
TP18
+5V
C43
0.1µ F
0.1µ F
D9
S1G
S1G
C12
0.010µ F
0.010µ F
C31
47µ F
47µ F
2
1
C2
1000PF
1000PF
R77
4.7K
IC4-1
TC74HC14AF
IC4-2
TC74HC14AF
R52
D6
DSA010
4.7K
R30
10K
R58
4.7K
Q5
2SC2712
2SC2712
C44
0.1µ F
0.1µ F
R61
4.7K
4.7K
R59
4.7K
4.7K
R57
4.7K
4.7K
DFD
CN3-5
+5v
CN3-4
DFDLED
CN3-6
+5v
TLP1225
10
11
IC4-5
TC74HC14AF
1
7
6
C24
3300PF
3300PF
AGND
R55
4.7K
+5V
AGND
+5V
R11
10K
TP13
+5V
AN+24V
R81
2.0K
2.0K
C14
0.10µ F
R56
4.7K
4.7K
R66
4.7K
4.7K
R46
100K
IC9-2
µ PC339G2
R79
22K
22K
TP12
+5V
R54
4.7K
4.7K
5
6
1
R87
10K
Q4
2SC2712
IC13-2
µ PC358G2
R93
100
C6
1000PF
DTFDA
DFDOUT
DFMRS
TXD
RXD
DTR
DSR
RESET
DTD
CN3-2
+5v
CN3-1
DTDLED
CN3-3
2
5
4
AGND
AGND
R10
10K
+5V
AN+24V
R80
2.0K
2.0K
C19
0.10µ F
R95
2.0K
2.0K
R45
100K
IC9-1
µ PC339G2
R78
22K
22K
+5V
R53
4.7K
4.7K
3
2
1
R86
10K
Q3
2SC2712
IC13-1
µ PC358G2
R94
100
C5
1000PF
DTDDA
DTDOUT
+5V
CN3-7
DWS
CN3-9
SGND
CN3-8
NC
CN3-10
TP24
+5V
Q12
FN1L3M
FN1L3M
R29
15K
R100
180
R33
10K
R47
150K
C21
0.010µ F
0.010µ F
R34
10K
DWMR
DLS1
DLS2
DLS3
DSS
DWS
DTD
DFD
TLP1240
+5V
CN2-1
DSS
CN2-3
SGND
CN2-2
+5V
R101
180
R115
15K
15K
R23
10K
C16
0.010µ F
0.010µ F
IC4-4
TC74HC14AF
9
8
C23
0.010µ F
0.010µ F
R38
10K
+5V
CN1-7
DLS2
CN1-9
SGND
CN1-8
C18
0.010µ F
0.010µ F
R36
10K
+5V
CN1-4
DLS1
CN1-6
SGND
CN1-5
C17
0.010µ F
0.010µ F
R35
10K
+5V
+5V
+5V
CN1-1
DWVR
CN1-2
SGND
CN1-3
R76
1.0M
1.0M
R65
4.7K
4.7K
R71
4.7K
4.7K
+5V
+5V
TLP1240
GP1A25LC
GP1A25LC
GP1A25LC
R21
10K
R22
10K
R43
10K
+5V
R68
14.7K
14.7K
R105
20K
20K
ZD3
16V
+24V
C56
0.22µ F
R92
4.7
13
12
IC4-6
TC74HC14AF
TC74HC14AF
Q10
FA1L3N
FA1L3N
Q9
PGND
R83
1.0K
R106
2.0K
Q13
2SJ265
C8
1000PF
DC+24V CN8-6
FAN
FAN
CN8-7
DC+24V
TP48
R85
1.0K
FANPWM
AGND
DC+24V
C29
0.10µ F
0.10µ F
C57
4.7µ F
4.7µ F
R118
10
AN+24V
C45
1.0µ F
C59
1.0µ F
C60
1.0µ F
C52
1.0µ F
C35
0.1µ F
C51
1.0µ F
C36
0.1µ F
C47
0.1µ F
C48
C61
1.0µ F
C41
1.0µ F
1.0µ F
C62
1.0µ F
C58
1.0µ F
+5V
AN+24V
C25
0.10µ F
C30
0.10µ F
E2ROM+5V
C38
0.1µ F
0.1µ F
AGND
6
5
7
IC14-2
µ PC58G2
5
9
13
6
8
12
IC4-3
HD74LS06FP
IC5-4
IC5-6
HD74LS06FP
HD74LS06FP
TP38
C13
0.010µ F
0.010µ F
R60
4.7K
TP8
TP7
TP9
+5V
GND
DC+24V
PGND
11
10
IC5-5
HD74LS06FP
ZD6
18V
ZD7
18V
+5V
+5V
AUOD
R10
10K
10K
R13
10K
10K
FGOD
Q7
FA1L3N
FA1L3N
Q8
NC
CN5-9
DC+24V
CN5-8
AUOD
CN5-7
DC+24V
CN5-6
FGOD
CN5-5
DC+24V
FD+24V
+5V
TGOD
R40
10K
10K
Q11
FA1L3N
TGOD
CN7-2
AUOD
CN7-1
ZD5
18V
+5V
R25
4.7K
4.7K
PGND
FD+24V
R44
4.7K
4.7K
PGND
C40
47µ F
47µ F
AGND
C26
0.10µ F
AN+24v
CN8-1
CN8-2
+5V
C15
0.10µ F
AGND
R108
2.2K
2.2K
TP50
CN8-3
RDD
RDDLED
13
10
11
AGND
R72
4.7K
R48
100K
IC9-4
µ PC339G2
+5V
R73
4.7K
4.7K
Q17
FA1L3M
AGND
R63
1.5K
1.5K
R74
3.0K
R32
10K
10K
R70
10K
AGND
R64
10K
+5V
D4
SB02-03Q
SB02-03Q
1
2
3
R6
10K
10K
R7
10K
IC14-1
µ PC358G2
AGND
AGND
C22
0.010µ F
R107
2.2K
2.2K
TP47
TP14
AGND
C20
0.10µ F
0.10µ F
C46
0.10µ F
0.10µ F
R31
4.7K
RDD
RDDLED
RDDOUT
RDDPWM
CONTROL PWB CIRCUIT-2 (RADF)
Tray document
width VR
width VR
Document length
sensor 1
sensor 1
Document length
sensor 2
sensor 2
Document length
sensor 3
sensor 3
Document set
sensor
sensor
Document width
sensor
sensor
Document timing
sensor
sensor
Document feed
sensor
sensor
Paper feed
motor rotation
sensor
motor rotation
sensor
Reverse
sensor
sensor
Communication
signal line
signal line
Power supply
Reverse guide
switch
switch
ADF open/close
switch
switch
Paper feed guide
open/close switch
open/close switch
FAN motor
4
1
3
5
6
2
4
1
3
5
6
2
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
Q16
RN1427
RN1427
D10
S1G
PGND
TXD
CN9-2
RXD
CN9-3
BTR
CN9-4
BSR
CN9-5
RESET
CN9-6
SGND
CN9-1
+5V
CN6-3
SGND
CN6-4
AGND
CN2-6
DFMRS
CN2-5
SGND
CN2-4
+5V
CN1-10
DLS3
CN1-12
SGND
CN1-11
ZD1
6.2V
6.2V
DC+24V
CN6-1
PGND
CN6-2
C55
47µ F
47µ F
C50
0.1µ F
0.1µ F
+5V
PGND
DC+24V
+5V
1
2
IC5-1
HD74LS06FP
4
3
3
4
IC5-2
HD74LS06FP
+5V
R51
4.7K
C3
1000PF
1000PF
TP18
+5V
C43
0.1µ F
0.1µ F
D9
S1G
S1G
C12
0.010µ F
0.010µ F
C31
47µ F
47µ F
2
1
C2
1000PF
1000PF
R77
4.7K
IC4-1
TC74HC14AF
IC4-2
TC74HC14AF
R52
D6
DSA010
4.7K
R30
10K
R58
4.7K
Q5
2SC2712
2SC2712
C44
0.1µ F
0.1µ F
R61
4.7K
4.7K
R59
4.7K
4.7K
R57
4.7K
4.7K
DFD
CN3-5
+5v
CN3-4
DFDLED
CN3-6
+5v
TLP1225
10
11
IC4-5
TC74HC14AF
1
7
6
C24
3300PF
3300PF
AGND
R55
4.7K
+5V
AGND
+5V
R11
10K
TP13
+5V
AN+24V
R81
2.0K
2.0K
C14
0.10µ F
R56
4.7K
4.7K
R66
4.7K
4.7K
R46
100K
IC9-2
µ PC339G2
R79
22K
22K
TP12
+5V
R54
4.7K
4.7K
5
6
1
R87
10K
Q4
2SC2712
IC13-2
µ PC358G2
R93
100
C6
1000PF
DTFDA
DFDOUT
DFMRS
TXD
RXD
DTR
DSR
RESET
DTD
CN3-2
+5v
CN3-1
DTDLED
CN3-3
2
5
4
AGND
AGND
R10
10K
+5V
AN+24V
R80
2.0K
2.0K
C19
0.10µ F
R95
2.0K
2.0K
R45
100K
IC9-1
µ PC339G2
R78
22K
22K
+5V
R53
4.7K
4.7K
3
2
1
R86
10K
Q3
2SC2712
IC13-1
µ PC358G2
R94
100
C5
1000PF
DTDDA
DTDOUT
+5V
CN3-7
DWS
CN3-9
SGND
CN3-8
NC
CN3-10
TP24
+5V
Q12
FN1L3M
FN1L3M
R29
15K
R100
180
R33
10K
R47
150K
C21
0.010µ F
0.010µ F
R34
10K
DWMR
DLS1
DLS2
DLS3
DSS
DWS
DTD
DFD
TLP1240
+5V
CN2-1
DSS
CN2-3
SGND
CN2-2
+5V
R101
180
R115
15K
15K
R23
10K
C16
0.010µ F
0.010µ F
IC4-4
TC74HC14AF
9
8
C23
0.010µ F
0.010µ F
R38
10K
+5V
CN1-7
DLS2
CN1-9
SGND
CN1-8
C18
0.010µ F
0.010µ F
R36
10K
+5V
CN1-4
DLS1
CN1-6
SGND
CN1-5
C17
0.010µ F
0.010µ F
R35
10K
+5V
+5V
+5V
CN1-1
DWVR
CN1-2
SGND
CN1-3
R76
1.0M
1.0M
R65
4.7K
4.7K
R71
4.7K
4.7K
+5V
+5V
TLP1240
GP1A25LC
GP1A25LC
GP1A25LC
R21
10K
R22
10K
R43
10K
+5V
R68
14.7K
14.7K
R105
20K
20K
ZD3
16V
+24V
C56
0.22µ F
R92
4.7
13
12
IC4-6
TC74HC14AF
TC74HC14AF
Q10
FA1L3N
FA1L3N
Q9
PGND
R83
1.0K
R106
2.0K
Q13
2SJ265
C8
1000PF
DC+24V CN8-6
FAN
FAN
CN8-7
DC+24V
TP48
R85
1.0K
FANPWM
AGND
DC+24V
C29
0.10µ F
0.10µ F
C57
4.7µ F
4.7µ F
R118
10
AN+24V
C45
1.0µ F
C59
1.0µ F
C60
1.0µ F
C52
1.0µ F
C35
0.1µ F
C51
1.0µ F
C36
0.1µ F
C47
0.1µ F
C48
C61
1.0µ F
C41
1.0µ F
1.0µ F
C62
1.0µ F
C58
1.0µ F
+5V
AN+24V
C25
0.10µ F
C30
0.10µ F
E2ROM+5V
C38
0.1µ F
0.1µ F
AGND
6
5
7
IC14-2
µ PC58G2
5
9
13
6
8
12
IC4-3
HD74LS06FP
IC5-4
IC5-6
HD74LS06FP
HD74LS06FP
TP38
C13
0.010µ F
0.010µ F
R60
4.7K
TP8
TP7
TP9
+5V
GND
DC+24V
PGND
11
10
IC5-5
HD74LS06FP
ZD6
18V
ZD7
18V
+5V
+5V
AUOD
R10
10K
10K
R13
10K
10K
FGOD
Q7
FA1L3N
FA1L3N
Q8
NC
CN5-9
DC+24V
CN5-8
AUOD
CN5-7
DC+24V
CN5-6
FGOD
CN5-5
DC+24V
FD+24V
+5V
TGOD
R40
10K
10K
Q11
FA1L3N
TGOD
CN7-2
AUOD
CN7-1
ZD5
18V
+5V
R25
4.7K
4.7K
PGND
FD+24V
R44
4.7K
4.7K
PGND
C40
47µ F
47µ F
AGND
C26
0.10µ F
AN+24v
CN8-1
CN8-2
+5V
C15
0.10µ F
AGND
R108
2.2K
2.2K
TP50
CN8-3
RDD
RDDLED
13
10
11
AGND
R72
4.7K
R48
100K
IC9-4
µ PC339G2
+5V
R73
4.7K
4.7K
Q17
FA1L3M
AGND
R63
1.5K
1.5K
R74
3.0K
R32
10K
10K
R70
10K
AGND
R64
10K
+5V
D4
SB02-03Q
SB02-03Q
1
2
3
R6
10K
10K
R7
10K
IC14-1
µ PC358G2
AGND
AGND
C22
0.010µ F
R107
2.2K
2.2K
TP47
TP14
AGND
C20
0.10µ F
0.10µ F
C46
0.10µ F
0.10µ F
R31
4.7K
RDD
RDDLED
RDDOUT
RDDPWM
CONTROL PWB CIRCUIT-2 (RADF)
Tray document
width VR
width VR
Document length
sensor 1
sensor 1
Document length
sensor 2
sensor 2
Document length
sensor 3
sensor 3
Document set
sensor
sensor
Document width
sensor
sensor
Document timing
sensor
sensor
Document feed
sensor
sensor
Paper feed
motor rotation
sensor
motor rotation
sensor
Reverse
sensor
sensor
Communication
signal line
signal line
Power supply
Reverse guide
switch
switch
ADF open/close
switch
switch
Paper feed guide
open/close switch
open/close switch
FAN motor
Display