Read Sharp MX-M266N / MX-M316N / MX-M356N (serv.man7) Service Manual online
MX-M266 BLOCK DIAGRAM / ブ ロ ッ ク 図 1 – 6
6. FAX SECTION / FAX セ ク シ ョ ン
A.
Except Japan
(1)
MX-FX11
TEL/L
IU
Conn
ecto
r
FA
X
I
M
A
G
E
MEMORY
(Not mou
n
t)
FLA
S
H R
O
M
16Mb
it
LIU EX PWB
F
A
X
MAIN PWB
MJ1
(LINE)
MJ2
(TEL)
OFF f
o
c
k
detection
S
rela
y
S
i3
019
S
i3
056
S
ili
c
on DA
A
S
i3
056 CH
IP
S
ET
CI
Dete
ction
P
o
lar
it
y
inv
e
rs
ion
Dete
ction
(Not m
o
unt)
S
peaker
FA
X
A
S
IC
MB
87
F
4
9
3
0
MODEM
MMD
5020
PIC
microcomputer
PIC16F690
CPU
S
H
7
706
MFP IF
Connector
With secure
loc
king
de
vice
BM
3
0B-
S
HLD
S
JTAG
Con
nector
1
4pin
(Not
mount)
Lo
g
Con
nector
(Not
mount)
Oper
ation in 1W/7W
energy-sa
v
e
mode
Crystal
R
e
sonator
24.5
76MHz
Crystal
R
esonator
1
4.7456MHz
S
pe
ak
e
r
Co
nn
e
c
to
r
S
02B
-
PA
S
K
S
TATU
S
LED_
0
S
TATU
S
LED_
1
(Not moun
t)
v
oltage
le
v
e
l
Voltage
Re
gulator
NJU7772F
18
Po
wer
Amplifier
LM4819
V
o
lum
e
C
hange
BU
4
0
6
6
NJM
3
414
v
o
ltage
le
v
e
l
Filter
+2
4V
D
etec
tio
n
+24V
+12V
CI Fi
ter
CI Fi
te
r
Filter
v
oltage
le
v
e
l
RH
S
-
+5
V2
ECON
MRON
EX
H
S
-
S
ON2
S
ON1
AFE_
CL
K
AFE
_RE
S
-
A
S
PC
LK
ABITCL
K
AR
XD
AT
X
D
B
S
PC
LK
BBITCL
K
BR
XD
BTXD
S
PK
(a
na
lo
g)
RGDT-
(CI detection)
HD
MUTE
-
S
I3
_R
E
S
-
TEL
ID
CI2-
CI-
H
S
1-
H
S
2-
CIO
N
15
0VO
N
M
S
GMUT
E
CID-
+5
V2
+1
2
+2
4
+5
VA
+5
V
A
BZ
EN
_
S
PKO
N
-
EN_
B
ZON-
VO
L
A
VO
L
B
VO
L
C
VO
L
D
S
PM
U
T
E-
3
.3
V
1.
8V
MD
M
3
.3
V
RE
S
ET
-
3
.3
V
+5
V
+5
VA
MD
M
3
.3
V
+
3
.3
V
+2
4V
MO
N_
24V
-
+2
4V
+5
V
+
3
.3
V
+5
V2
RE
S
_F
A
X
-
F
A
X
_
RXD
(D)
+
F
A
X_
RXD(D)
-
F
A
X
_
TXD(D)
+
FAX_T
X
D(
D)-
FA
X
_
C
T
S
(D
)-
FA
X
_
R
T
S
(D
)-
FAX_
RXD(C
S
)+
FA
X_
R
X
D
(C
S
)-
F
A
X_
TXD(
C
S
)+
F
A
X
_
TXD(C
S
)-
FA
X
_
C
T
S
(C
S
)-
FA
X
_
R
T
S
(C
S
)-
FL
V
P
P
Ve
rs
io
n
I
D
CNC
T_FAX-
3
.3
V
1.
9V
PI
CP
G
M
_
E
N
WU
P_
FA
X-
TEL
ID2
16bit
16bit
16bit
16bit
16bit
16bit
JTAG
UA
R
T
UA
R
T
Do
w
n
lo
a
d
S
pred
S
pectr
um
CY25811
S
XCT
PR
O
G
RAM
FLA
S
H R
O
M
16
M
b
VHIM29LV1
6
B-1Q
WO
RK
MEMORY
S
DRAM
64Mb
it
A
3
64
S
40ETP-
G6
RE
S
ET IC
BD4
5285G
Voltage
Re
gula
tor
R11
7
3S
001B
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