Sharp MX-M266N / MX-M316N / MX-M356N (serv.man7) Service Manual ▷ View online
MX-M266 BLOCK DIAGRAM / ブ ロ ッ ク 図 1 – 7
B.
Japan
(1)
MX-FX11/F model internal FAX
TEL/L
IU
Conn
ecto
r
LI
U JPN PWB
FAX MAIN PWB
MJ1
(LINE)
MJ2
(TEL)
OFF foc
k
detection
S
relay
S
i3
019
S
i3
056
S
ilicon DAA
S
i3
056 CH
IP
S
ET
VOICE
CODEC
S
i3
000
H
a
ndset
AMP
NJM21
3
5M
MR
relay
CI
Dete
ction
Polarity
inversion
Detection
(Not mount)
EC relay
(Not mount)
p
ara-
ringer
voice
messag
e
Outpu
t
S
peaker
FAX A
S
IC
MB
87
F
4
9
3
0
MODEM
MMD
5020
PIC
microcomputer
PIC16F690
CP
U
S
H7
7
0
6
MFP IF
Connector
With secure
locking
device
BM
3
0B-
S
HLD
S
JTAG
Con
n
ector
1
4pin
(Not mount)
㪈㪮㪃㪎㪮⋭䉣䊈䊝䊷䊄ᤨ
േ
S
pred
S
pectrum
CY25811
S
XCT
Crystal
R
esonator
24.5
76MHz
Voltage
Regulator
R117
3S
001B
Crystal
Resonator
14.7456MHz
RE
S
ET IC
BD4
5285G
Handset
Connector
MD-
S
63
50-90
S
peaker
Connector
S
02B-
PA
S
K
S
TATU
S
LED_
0
S
TATU
S
LED_
1
(Not moun
t)
voltage
level
DC
DC
-150V
Messag
e
Outpu
t
Enabl
e
Voltage
Re
gulator
NJU7772F
18
Po
wer
Ampli
fier
LM4819
Volum
e
C
hange
BU40
6
6
NJM
3
414
CI
Dete
ction
voltage
level
Filter
+2
4V
D
e
tectio
n
+24V
+12V
CI F
i
ter
CI Fi
te
r
Filter
voltage
level
S
peaker
Microphone
OFF fock detection
RH
S
-
+5
V2
ECON
MRON
EX
H
S
-
S
ON
2
S
ON
1
AFE
_
CL
K
AFE
_
RE
S
-
A
S
PC
LK
ABITCL
K
AR
XD
ATX
D
B
S
PC
LK
BBITCL
K
BR
XD
BTX
D
S
PK
(a
na
lo
g)
RGDT-
CI
ᬌ
HD
MUTE-
S
I3
_RE
S
-
TEL
ID
CI2-
CI-
H
S
1-
H
S
2-
CIO
N
15
0VO
N
M
S
GM
UT
E
M
S
G(
Ana
log)
CID-
+5
V2
+1
2
+2
4
+5
VA
+5V
A
BZ
EN
_
S
PK
O
N
-
EN_
B
ZON-
VOL
A
VOL
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_
24
V
-
+2
4V
+5
V
+
3
.3
V
+5
V2
RE
S
_
FAX
-
F
A
X_
RX
D
(D
)+
FAX_
RXD(D
)-
FAX
_
TXD(D)
+
FAX
_
T
X
D(
D)-
FAX
_
C
T
S
(D
)-
FAX
_
R
T
S
(D
)-
FAX
_
RX
D(
C
S
)+
FAX
_
R
X
D
(C
S
)-
F
A
X_
TXD
(C
S
)+
FAX
_
TXD(C
S
)-
FAX
_
CT
S
(C
S
)-
FAX
_
RT
S
(C
S
)-
FLV
P
P
Ve
rs
io
n
I
D
CNC
T_F
AX
-
3
.3
V
1.
9V
PI
CP
G
M
_E
N
WU
P_
FA
X-
TEL
ID2
16bit
16bit
16bit
16bit
16bit
16bit
JTAG
UART
UART
D
o
wn
lo
ad
Lo
g
Con
n
ector
(Not
mount)
WORK
MEMORY
S
DRAM
64Mbit
A
3
V
64
S
40ETP-
G6
PROGRAM
FLA
S
H ROM
16Mb
VHIM29LV16B-
1Q
FA
X
IMAGE
MEMORY
(Not mou
n
t)
FLA
S
H ROM
16Mb
it
MX-M266 BLOCK DIAGRAM / ブ ロ ッ ク 図 1 – 8
(2)
MX-FL10
TEL/LIU
C
onnector
F
A
X
IMA
G
E
MEMORY
(No
t mount)
FLA
S
H R
O
M
16Mbit
LIU JPN PWB
WO
R
K
MEMORY
S
DRA
M
64Mbit
A
3
64
S
4
0
ETP-
G6
PRO
G
RAM
FLA
S
H R
O
M
16Mb
VHI
M29L
V16
B-1
Q
F
A
X MA
IN PWB
MJ1
(L
INE)
S
i3
019
S
i3
05
6
S
ilico
n
D
A
A
S
i3
056
CHIP
S
ET
MR relay
CI
D
etec
tio
n
Po
la
ri
ty
in
v
e
rsion
D
etec
tio
n
(Not moun
t)
S
pe
ake
r
FA
X
A
S
IC
MB87F49
3
0
MOD
E
M
MMD502
0
PIC
mic
ro
c
omp
uter
PIC1
6F69
0
MFP
IF
Co
nnector
With secure
locking
de
vice
BM
3
0B-
S
HLD
S
1W
,7W
⋭ࠛࡀࡕ࠼ᤨ
േ
S
pred
S
pectrum
CY25811
S
XCT
Crystal
Resona
tor
24.576M
H
z
Vo
lt
a
g
e
Regulator
R117
3S
0
01B
Cr
ystal
Resonator
14.7456MHz
RE
S
ET IC
BD4528
5
G
S
p
eake
r
Connec
to
r
S
02
B-
PA
S
K
S
TA
TU
S
LE
D_
0
S
TA
TU
S
LE
D_
1
(No
t mount)
v
o
ltage
le
v
e
l
Vo
lt
a
g
e
Regulator
NJU7
772F
18
Po
w
e
r
Amplifier
LM4
819
Vo
lume
Cha
nge
B
U
4066
NJ
M
3
41
4
CI
D
etec
tio
n
v
o
ltage
le
v
e
l
Filter
+24V
Dete
ction
+24V
+12V
CI
F
i
ter
CI
F
i
ter
Filter
v
oltage
le
v
e
l
MR
ON
AFE
_CLK
AF
E
_
RE
S
-
A
S
PCLK
AB
ITCLK
AR
XD
AT
X
D
S
PK(
a
n
a
log
)
RGDT
-(CI
ᬌ
)
TE
L
ID
CI2-
CI-
H
S
1-
H
S
2-
CID-
+5
V
2
+1
2
+2
4
+5
VA
+5
VA
BZ
EN_
S
PK
O
N
-
EN_
B
ZON-
VO
LA
VO
LB
VO
L
C
VO
L
D
S
PM
UTE
-
3
.3
V
1.
8
V
MDM
3
.3
V
RE
S
ET-
3
.3
V
+5
V
+5
VA
MDM
3
.3
V
+
3
.3
V
+2
4
V
MON_
24
V
-
+2
4V
+5
V
+
3
.3
V
+5
V2
RE
S
_FAX
-
FAX_
RXD(D)+
FAX_
RX
D(D)-
FAX_T
X
D(
D)+
F
A
X
_
TXD(D
)-
FA
X
_
C
T
S
(D
)-
FA
X
_
R
T
S
(D
)-
F
A
X_
RXD(C
S
)+
FA
X_
RX
D(C
S
)-
F
A
X
_
TXD(C
S
)+
FA
X_TX
D
(C
S
)-
FA
X_CT
S
(C
S
)-
FA
X_RT
S
(C
S
)-
FL
VPP
Ve
rs
io
n
I
D
CNCT_
FA
X-
3
.3
V
1.9
V
PICPG
WUP_FA
X
-
TELID2
16
b
it
16
bit
16
bit
16
bit
16
b
it
16
bit
JT
AG
UA
R
T
UA
R
T
Do
wn
loa
d
CPU
S
H770
6
JT
AG
Connector
14pin
(N
ot moun
t)
Log
Connector
(N
ot moun
t)
M_
EN
MX-M266 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図 2 – 1
[2] CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
1. MFP CONTROL PWB / MFP コ ン ト ロール PWB
A.
CIRCUIT DIAGRAM / 回路図
5
5
4
4
3
3
D
C
B
A
3.5V DETECT
2.5V DETECT
5VO
5VL
3.8V DETECT
5V0_FAX_IN
5V0_FAX_IN
5V_IN
5V_IN
DGND
DGND
DGND
DGND
DGND
5V0_FAX_IN
DGND
DGND
DGND
3R3V_ON
5V0_FAX_IN
DGND
DGND
DGND
5V0_FAX_IN
DGND
5V_IN
DGND
DGND
DGND
5V0_FAX_IN
DGND
5V_IN
DGND
3R3V_ECO
DGND
DGND
DGND
DGND
DGND
ARM9_OFF_N
{5,22}
RB_GPO_SELFRST
{6}
RC_GP
C534
47000pF(B)
R113
47KJ
CP220
R114
47KJ
SW2
D_SKQMBAE010
R354
1KJ
R120
1KJ
R112
100KJ
D40
X_LTST-C190KGKT
A
K
R885
47KJ
D
S
G
1
2
3
Q11
2SK3018
2SK3018
R119
47KJ
CP626
CP218
R107
X_0J
10K
47K
Q9
DTC014YUB
E
B
C
IC45
IC-PST8435UL
GND
1
VDD
2
CT
3
VOUT
4
C535
1000pF(B)
C103
1000pF(B)
R352
X_2.2KJ
IC12
74LVC1G07GW
NC
1
A
2
GND
3
Y
4
VCC
5
CP204
R138
47KJ
CP205
D
S
G
1
2
3
Q12
2SK3018
2SK3018
C102
1000pF(B)
CP187
CP627
C107
1uF(1608:B)
C87
0.1uF(B)
IC15
BD45382G-TR
ER
1
SUB
2
GND
3
VOUT
4
VDD
5
R355
X_1KJ
CP657
R1198
1KJ
IC13
74LVC1G07GW
NC
1
A
2
GND
3
Y
4
VCC
5
C543
1uF(1608:B)
CP285
D41
LTST-C190KGKT
A
K
CP186
IC46
IC-PST8425UR
GND
1
VDD
2
CT
3
VOUT
4
R1045
1MJ
R353
2.2KJ
C544
1uF(1608:B)
C1044
1000pF(B)
CP188
C88
0.1uF(B)
R102
X_0J
C938
X_0.1uF(1608:B)
CP219
C108
1000pF(B)
1
: ‘15/Aug.
1
MX-M266 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図 2 – 2
3
3
2
2
1
1
D
C
B
A
3.7V DETECT
H(Z): 5VL On
L: 5VL OFF
nREUS_SYSRST
nREUS_PLD_HUB_RST
5V
100ms
200ms
60ms
R_PLD_GPO_nREUS_PHY_RST
ARM9_OFF_N
ARM11_OFF_N
DGND
DGND
5V_IN
5V_IN
3R3V_ECO
DGND
5V0_FAX_IN
5V0_FAX_IN
5V_IN
DGND
5V_IN
DGND
DGND
DGND
5V0_FAX_IN
5V_IN
DGND
DGND
ARM11_OFF_N {4,10}
nREUS_SYSRST {13}
nREUS_PLD_HUB_RST
{7,27}
ARM9_OFF_N {5,22}
RC_GPO_GPHY_RSTN
{13,18}
R1042
0J
20
1KJ
D
S
G
1
2
3
Q10
2SK3018
2SK3018
R103
4.7KJ
CP166
R85
47KJ
R1041
1MJ
CP178
R84
1KJ
C72
1uF(1608:B)
CP431
R1044
1MJ
CP169
IC9
74LVC1G07GW
NC
1
A
2
GND
3
Y
4
VCC
5
C87
0.1uF(B)
X_1KJ
R94
100KJ
C74
0.1uF(B)
R108
4.7KJ
CP657
CP284
IC8
BD45371G-TR
ER
1
SUB
2
GND
3
VOUT
4
VDD
5
R1043
X_0J
R95
47KJ
CP170
C88
0.1uF(B)
CP219
(B)
1
: ‘15/Aug.
1
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