Read Sharp MX-B381 / MX-B401 (serv.man9) Service Manual online
MX-B381/B401 BLOCK DIAGRAM 1 – 2
2. MFP CONTROLLER PWB
MF
P
A
SI
C
Local
Bu
s
Video-In
Ou
t
LS
U
SC
AN
RO
M
DD
R/
DDR
2
Me
m
o
ry
Controller
PCI
-
Ex
p
re
s
s
In
te
rf
a
c
e
A
CRE
SO
C
MP
C
8
5
3
3E
DDR/DDR2
IF
Gb
E
MA
C
Local
B
us
Controller
UA
R
T
I2C1
Controller
I2C2
Controller
Programmable
Interrupt
Controller
PCI-Express
Interface
(4lane)
PCI-Express
Interface
(4lane)
SCANNER
C
ontrol
System
(SCU)
HDD
A
SIC
RT
C
Co
n
tr
o
lle
r
I2C 1
Controller
UART
Interface
(x10)
LC
D
C
SD
RA
M
C
ont
ro
lle
r
US
B2
.0
Ho
s
t
Co
n
tr
o
lle
r
US
B
2
.0
D
e
vi
ce
Co
n
tr
o
lle
r
PC
I-
Ex
p
re
s
s
In
te
rf
a
c
e
(4
Lane
)
Local
-B
us
In
te
rf
a
c
e
Gi
g
a
B
it
Eth
e
r
PH
Y
LAN
J
A
C
K
RJ
45
US
B
D
ev
ic
e
TY
P
E
-B
C
N
US
B
H
O
S
T
TY
P
E
-A
C
N
(RE
A
R)
SA
T
A
CN
Local
Memory
DDR2
DIMM
SLOT
SD
RAM
SA
TA
In
te
rf
a
c
e
0
SATA
In
te
rf
a
c
e
1
CP
LD
GM
II
PC
U
LSU
C
o
n
troller
(L
S
UC)
SYSTEM
Memory
DDR2
DIMM
SLOT
SAT
A
2
HDD
DIP
SWITCH
D-
SU
B9
RS
23
2C
SR
AM
4Mb
it
SD
R
A
M
64Mb
x
2
RTC
I2C
FL
A
S
H
PROGRAM
&
OPT
FLASH
D
IMM
I2C 2
Controller
25
6K
b
EE
PR
O
M
SP
D
PCI
E
x
p
re
s
s
Cl
oc
k
Generator
R
S
232C
LE
V
E
L
C
O
N
.
FPDLINK
Transmitter
LVDS
Receiver
FPDLINK
Receiver
FPDLINK
Transmitter
Board to Board Connector
LCD
P
a
n
nel
LVDS
PI
C
Mi
c
o
n
.
USB
SWITCH
USB
HOST
TYPE-A
CN
(FRONT)
FA
X
(2
n
d
)
CN
MFPC
PWB
LSU-Mother
PWB
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