Read Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man9) Service Manual online
MX-5141 BLOCK DIAGRAM / ブ ロ ッ ク図 1 – 11
B. Japan
(1)
(1)
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
Si3
019
Si3056
Sili
con DA
A
Si3
0
56 CH
IP SET
VOICE
CODEC
Si3000
H
a
ndset
AMP
NJM2135M
MR
relay
CI
Dete
ction
Polarity
inversion
Detection
(Not mount)
EC relay
(Not mount)
p
ara-
ringer
voice
messag
e
Outpu
t
Speaker
FAX ASIC
MB
87
F
4
9
3
0
MODEM
MMD
5020
PIC
microcomputer
PIC16F690
CP
U
SH
7706
MFP IF
Connector
With secure
locking
device
BM30B-
SHLDS
JTAG
Con
n
ector
14
p
in
(Not mount)
㪈㪮㪃㪎㪮⋭䉣䊈䊝䊷䊄ᤨ
േ
Spred
Spectrum
CY25811SXCT
Crystal
R
e
sonator
24.5
76MHz
Voltage
Regulator
R1173S001B
Crystal
Resonator
14.7456MHz
RESET IC
BD4
5285G
Handset
Connector
MD-S6350-90
Speaker
Connector
S02B-
PASK
STATUS LED_
0
STATUS LED_
1
(Not moun
t)
voltage
level
DC
DC
-1
50
V
Messag
e
Outpu
t
Enabl
e
Voltage
Re
gulator
NJU7772F
18
Po
wer
Ampli
fier
LM4819
Volum
e
C
h
ange
BU40
6
6
NJM3414
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
Speaker
Microphone
OFF fock detection
RH
S-
+5
V2
ECON
MRON
EX
HS-
SON2
SON1
AFE
_
CL
K
AFE
_
RES-
AS
P
C
L
K
ABITCL
K
AR
XD
ATX
D
B
S
PC
LK
BBITCL
K
BR
XD
BTX
D
S
P
K(
an
al
og
)
RGDT-
CI
ᬌ
HD
MUTE-
SI3
_
RES-
TEL
ID
CI2-
CI-
HS
1-
HS
2-
CIO
N
15
0VO
N
MS
GMUT
E
MS
G(
Ana
log)
CID-
+5
V2
+1
2
+2
4
+5
VA
+5V
A
BZ
EN_
SPK
O
N
-
EN_
B
ZON-
VOL
A
VOL
B
VO
L
C
VO
L
D
SP
MUTE-
3.
3V
1.
8V
MD
M3.
3
V
RESET-
3.
3
V
+5
V
+5
VA
MD
M3
.3
V
+3
.3
V
+2
4V
MO
N_
24
V
-
+2
4V
+5
V
+3
.3
V
+5
V2
RES_
FAX
-
F
A
X_
RX
D
(D
)+
FAX_
RXD(D
)-
FAX
_
TXD(D)
+
FAX
_
T
X
D(
D)-
FAX
_
C
TS
(D
)-
FAX
_
R
TS
(D
)-
FAX
_
RXD(
CS)+
FAX
_
R
X
D
(CS)-
F
A
X_
TXD
(C
S)+
FAX
_
TXD(C
S
)-
FAX
_
CTS(C
S
)-
FAX
_
RTS(C
S
)-
FLV
P
P
Ve
rs
io
n
I
D
CNC
T_F
AX
-
3.
3V
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
SDRAM
64Mbit
A3V
64S40ETP-
G6
PROGRAM
FLASH ROM
16Mb
VHIM29LV16B-
1Q
FA
X
IMAGE
MEMORY
(Not mou
nt)
FLASH
ROM
16Mb
it
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