DOWNLOAD Sharp MX-B381 / MX-B401 (serv.man9) Service Manual ↓ Size: 7.53 MB | Pages: 127 in PDF or view online for FREE

Model
MX-B381 MX-B401 (serv.man9)
Pages
127
Size
7.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / CIRCUIT DIAGRAM
File
mx-b381-mx-b401-sm9.pdf
Date
PREV: Sharp MX-B381 / MX-B401 (serv.man8) Service Manual

Sharp MX-B381 / MX-B401 (serv.man9) Service Manual ▷ View online

MX-B381/B401  BLOCK DIAGRAM  1 – 7
7. FAX (MX-FXX3)
RGDT-(CI
detection)
Operation
in
1W/7W
ener
gy
-s
ave
m
od
e
MX-B381/B401  BLOCK DIAGRAM  1 – 8
8. FINISHER (MX-FN12)
+24VR
+24VR
+24V
+24V
+5V
+24V
+24VR
+3.3V
Choppin
g
circuit
(STA7101M)
Choppin
g
circuit
(STA7101M)
FPAM-F
+24V
Paper
ali
gnment
m
otor
F
FPAM-R
+24V
Choppin
g
circuit
(STA7101M)
Choppin
g
circuit
(STA7101M)
Choppin
g
circuit
(STA7101M)
+24VR
FDRLM
FPDM
+24VR
+24VR
FPTM
Deliver
y
roller
lif
tm
otor
Paper
deliver
y
motor
Paper
tran
sport
m
otor
H
bri
dg
e
circuit
(STA457C)
CPU
(H8S/2317)
Staple
Motor
Staple
home
po
sition
sen
sor
Staple
empt
yd
etector
Staple
lea
dd
etector
H
bri
dg
e
circuit
(2S
B
1240
x4)
FTLM
Tra
y
lif
tm
otor
+24V
FPS
FPGS
+24V
+24V
FARLS
Pa
dd
le
solenoi
d
Paper
gate
solenoi
d
Ali
gnment
roller
lif
ts
olenoi
d
Tran
si
stor
arra
y
(TD62003AP)
Input
bu
ffer
Fan
motor
drive
circuit
(2S
B
1240)
FB
CF
Control
boar
d
coolin
gf
an
Input
bu
ffer
Input
bu
ffer
Output
bu
ffer
Output
bu
ffer
Input
bu
ffer
P-GND
S-GND
FG
FSCF
Stapler
Coolin
g
Fan
Fan
motor
drive
circuit
(2S
B
1240)
FSSW
Sa
fet
ys
witch
+5V
FPRD-C
FPRD-R
+5V
+5V
FAPHPS-R
FPRD-F
+5V
+5V
FAPHPS-F
FSTPD
+5V
+5V
FDTLLS
FPLD
+5V
FDRPS
+5V
+5V
FDTULS
+5V
IF
MAIN
PW
B
Main
unit
Paper
rear
edg
e
detector
F
Paper
ali
gnment
plate
home
po
sition
detector
F
Staple
tra
y
paper
detector
Paper
level
detector
Deliver
y
tra
y
lower
limt
detector
Deliver
y
tra
y
upper
limt
detector
Paper
pa
ss
detector
FPPD1
Deliver
y
roller
po
sition
detector
+5V
Staple
unit
FSM
FSHPS
FSED
FSLD
3-terminal
Re
g
Input
bu
ffer
On
boar
d
writin
g
circuit
Sen
sor
input circuit
FB
CF-LD
FSCF-LD
STLK
Paper
ali
gnment
plate
home
po
sition
detector
R
Paper
rear
edg
e
detector
R
Paper
rear
edg
e
detector
C
Paper
ali
gnment
m
otor
R
FPDPD
FPAPD
FPTPD
FDRLPD
RXD-FIN/
RES-FIN
DTR-FIN/
DSR-FIN/
TRC-FIN/
TXD-FIN/
MX-B381/B401  BLOCK DIAGRAM  1 – 9
9. 500 SHEET PAPER FEED UNIT (MX-CSX1/CSX2)
AC
L
AC
N
DESK
heater
inter
face
PW
B
To
tra
y
3/tra
y
4
100V
:STANDARD
EX100
/EX200
:OPTION
/DPFM-CLK
/DPFM-EN
DPFM-T
/DTR-DESK
/RXD-DESK
RES-DESK
/TRC-DESK
/DSR-DESK
/TXD-DESK
+24V
+5V
Main
unit
Output
bu
ffer
DPFM
+24V
Tran
sport
m
otor
DESK
MAIN
PW
B
Sen
sor
input circuit
CPU
(H8/3684HV)
Tran
si
stor
arra
y
(TD62003AP)
D1PTC
D3PTC
D1PFC
D1PRED1
D1PRED2
3
Xtal
(7.37MH
z)
On
boar
d
writin
g
circuit
Output
bu
ffer
Input
bu
ffer
Output
bu
ffer
Input
bu
ffer
Input
bu
ffer
Input
bu
ffer
Sa
fet
y
earth
D2PTC
D2PFC
Li
ft
m
otor
drive
circuit
(2S
B
1240
x
2)
D1PED
+5V
Tra
y
2
paper
rear
edg
e
detector
1
D2PED
+5V
D3PED
+5V
D1PPD
+5V
Tra
y
2
si
ze
detection
PW
B
unit
D3PTC
Tra
y
2
paper
tran
sport
clutch
+24V
+24V
+24V
Tra
y
3
paper
tran
sport
clutch
Tra
y
4
paper
tran
sport
clutch
Tra
y
2
paper
fee
d
clutch
Tra
y
3
paper
fee
d
clutch
Tra
y
4
paper
fee
d
clutch
Li
ft
m
otor
drive
circuit
(2S
B
1240
x
2)
Li
ft
m
otor
drive
circuit
(2S
B
1240
x
2)
D1LM
D2LM
D3LM
Tra
y
2l
ift-up
motor
Tra
y
3l
ift-up
motor
Tra
y
4l
ift-up
motor
D1PRED3
Tra
y
2
paper
rear
edg
e
detector
2
Tra
y
2
paper
rear
edg
e
detector
3
Tra
y
3
paper
rear
edg
e
detector
1
Tra
y
3
si
ze
detection
PW
B
unit
D2PRED1
D2PRED2
D2PRED3
D2MDC
Tra
y
3
paper
rear
edg
e
detector
2
Tra
y
3
paper
rear
edg
e
detector
3
Tra
y
4
paper
rear
edg
e
detector
1
Tra
y
4
si
ze
detection
PW
B
unit
D3PRED2
D3PRED1
D3PRED3
D3MDC
Tra
y
4
paper
rear
edg
e
detector
2
Tra
y
4
paper
rear
edg
e
detector
3
Tra
y
3i
ns
tallation
detection
connector
Tra
y
4i
ns
tallation
detection
connector
GND
GND
D2PPD
+5V
D3PPD
+5V
D1ULD
+5V
D2ULD
+5V
D3ULD
+5V
D1PQD
+5V
D2PQD
+5V
D3PQD
+5V
D1COCS
+5V
D2COCS
+5V
D3COCS
+5V
Tra
y
2
paper
empt
yd
etector
Tra
y
3
paper
empt
yd
etector
Tra
y
4
paper
empt
yd
etector
Tra
y
2
paper
tran
sport
detector
Tra
y
3
paper
tran
sport
detector
Tra
y
4
paper
tran
sport
detector
Tra
y
2
upper
limit
detector
Tra
y
3
upper
limit
detector
Tra
y
4
upper
limit
detector
Tra
y
2
paper
remainin
gq
uantit
yd
etector
Tra
y
3
paper
remainin
gq
uantit
yd
etector
Tra
y
4
paper
remainin
gq
uantit
yd
etector
Tra
y
2
cover
open/clo
se
detector
Tra
y
3
cover
open/clo
se
detector
Tra
y
4
cover
open/clo
se
detector
+24V
+24V
+24V
MX-B381/B401  CIRCUIT DIAGRAM AND PARTS LAYOUT  2 – 1
MX-B401
Circuit Diagram
 
[2] CIRCUIT DIAGRAM AND PARTS LAYOUT
1. MFP CONTROLLER PWB
A. CIRCUIT DIAGRAM
5V_IN
5V_IN
5V_IN
5V_IN
3R3V
5V_IN
5V_IN
5V_IN
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
RES_MFP_MT
[30]
COREPWR_OE [4]
nHARDRESET [6]
IOPWR_OE [4]
PWROFF_BK2
[4,8]
CP8
C11
1uF(1608:B)
C9
0.01uF(B)
IC4
BU4240F
GND
1
VDD
2
CT
3
VOUT
4
CP5
C5
0.1uF(B)
R614
X_0J
CP1
10K
47K
Q3
DTC114YUB
E
B
C
C4
1000pF(B)
C8
0.01uF(B)
C7
0.01uF(B)
R5
10KJ
R606
X_0J
OPEN-DRAIN BUFFER
IC1
TC7SZ07FU(TE85L_F)
Y
4
VCC
5
NC
1
A
2
GND
3
C3
0.01uF(B)
C12
0.1uF(1608:B)
OPEN-DRAIN BUFFER
IC3
TC7SZ07FU(TE85L_F)
IC3
Y
4
VCC
5
NC
1
A
2
GND
3
CP7
C6
1uF(1608:B)
CP3
R2
4.7KJ
R4
4.7KJ
R6
X_1KJ
C10
1000pF(B)
IC5
BU4242F
GND
1
VDD
2
CT
3
VOUT
4
CP6
CP9
IC2
BU4238F
GND
1
VDD
2
CT
3
VOUT
4
C1
0.1uF(B)
SW1
X_SKQMBAE010
CP2
C2
1uF(1608:B)
5
5
4
4
3
3
D
C
B
A
MFPC PWB (Reset & Sequencer)
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