Read Sharp AR-M256 (serv.man12) Service Manual online
AR-M318/317FP BLOCK DIAGRAM / ブロック図 1 - 3
3. PCL PWB BLOCK DIAGRAM / PCL PWB ブロック図
T
M
P
R
4
9
3
7
T
B
P
C
IC
E
B
IF
S
D
R
A
M
0
(L
)
S
D
R
A
M
0
(H
)
3
2
M
B
3
2
M
B
S
D
R
A
M
C
E
B
U
S
C
LCX244
LCX245
LCH
LCX373
100M
Hz/64bi
t
S
y
s
te
m
B
U
S
3.3V
2
5
6
K
b
it
S
e
ri
a
l
E
E
P
R
O
M
AC
E
BU
SSPR
T
U
A
R
T
T
x
4
9
C
o
re
IR
C
B
ri
dge
A
DDR[19:0]
D
A
T
A
[63:0]
MEMA[14:5]
MEMD[31:0]
LA[20:0]
LD[31:0]
CP
UCL
K
=
3
0
0MHz
OS
C
25MHz
S
D
R
A
M
D
IM
M
2
5
6
M
B
(M
a
x
)
MEMD[15:0]
MEMD[31:16]
MEMD[63:0]
4P
in
Connec
tor
(R
S
-232C
Connec
tor
)
33M
Hz/32bi
t
P
C
I
B
U
S
S
P
D
IO
ASIC(Unicorn2)
Sy
s
te
m
Bu
s
I/
F
1284
Cont
Im
a
g
e
Cont
RT
C
I/
F
IO
I/
F
P
IO
LCX245
(M
B
U
S
C
onnec
tor
)
60P
in
Connec
tor
U
SB1
.1
ML60852A
U
S
B
C
o
n
n
e
c
to
r
O
n
B
o
a
rd
3
2
b
it
1
4
4
p
in
S
.O
.D
IM
M
6
4
b
it
OS
C
12MHz
P
IO
LCX244
LVX161284
1
2
8
4
C
o
n
n
e
c
to
r
E
T
H
E
R
C
o
n
n
e
c
to
r
Ether
MacPHYter
II
USBCLK
RESETCLK
Flash SO-DIMM (Mask ROM)
slot3 32MB
Flash SO-DIMM
(Option)
slot2 8MB
Flash SO-DIMM
(Code)
slot1 16MB
Flash SO-DIMM
(Boot,ESC/P)
slot0 4MB or 8MB
G-Bus
IM-Bus
UART Ch0
UART Ch1
PCI Connector
Click on the first or last page to see other AR-M256 (serv.man12) service manuals if exist.