Read Sharp MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man8) Service Manual online
MX-C300W BLOCK DIAGRAM 1 – 2
2.MFPC PWB
Pararell NOR
Flas
h
(64MB
t
)
DDR2SDRAM
(512MBy
te)
32.768K
Hz
X'tal
&
CP
LD
(5M570ZT144)
FP
GA
(EP
4CE6F17C8
DAC
(12ch
)
F
P
G
A
UAR
T
FAX
Unit
䛆
Neo
MFPC Board
Block Diagram
䛇
Pararell NOR
Flas
h
(64MBy
te)
Sy
st
em
B
us
I/F
DDR2SDRAM
(512MBy
te)
DDR2SDRAM
I/F
(32bit Data
UART
R.T
.C
X'
ta
l
&
Coin Battery
CP
LD
(5M570ZT144)
FP
GA
(EP
4CE6F17C8
DAC
(12ch)
SPI1CS
S
B
C
S
0,S
B
A
0-
25,S
B
D
0-
7
S
B
C
S
4,
5,
S
B
A0
-1
2,
S
B
D0
-7
F
P
G
A
UAR
T
Key
)
t
FAX Modem
Unit Conector
SPI I/F
(6CS)
USB Host
I/F
(2ch)
UART
(2ch)
SPI
EEPR
O
M
IPD-ASIC
SPI0CS1
SPI0CS
SPI
1CS0
PI1CS
VCL
SPI1CS
OPE(Key
)
Unit
LSU Unit
Conector
USB Host IF
Connector
S.O.C
Zoran
Quatro455
0
L
VDS
SPI
EEPR
OM
General
Video I/F
Scanner
AFE I/F
(L
VDS Reciv
e)
L
as
er Printer
I/F
(2ch)
USB Dev
ice
I/F
SPI
Fla
sh
SPI
0CS0
P
R
IV
ID
E
O
0,1,8,9,16,1
7,
24
,
G
VC
L
K,
G
VP
S
,G
VL
S
,G
C
DATA0
-7
GVC
L
USB
Con
Scanner
AFE
USB Btype
Connector
Q
ua
tro
455
0
(L
VDS
R
ec
ive
)
L
as
er Printe
r
I/F
(4
P
lane)
P
R
IV
ID
E
O
0,1,8,9,16,1
7,
24
,
GPIOs
PCU Motor&Sencer/HV Unit
Conector
Sc
A
Scanner
mechanical IF
Steppaer
Motor
Driv
er
Ethe
r M
A
C
IF
(M
II)
SD C
ard I/F
ADC
(use 9ch
8-1
Select
8-1
Select
V Unit IF etc.
Ether
PHY
m
RJ-45
Connector
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