Read Sharp MX-6240N / MX-7040N (serv.man34) Service Manual online
MX-7040 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 12
(2)
MX-FL10
TEL/LIU
C
onnector
F
A
X
IMA
G
E
MEMORY
(No
t
mount)
FLASH
R
O
M
16Mbit
LIU
JPN
P
WB
WO
R
K
MEMORY
SDRA
M
64Mbit
A3
64S4
0ETP-
G6
PRO
G
RAM
FLASH
R
O
M
16Mb
VHI
M2
9
LV
1
6
B-1
Q
FA
X
M
A
IN
P
W
B
MJ1
(L
INE)
Si301
9
Si30
56
Silico
n
D
A
A
Si3056
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)
Spe
a
ke
r
F
A
X
ASIC
MB87F4
9
30
MOD
E
M
MMD502
0
PIC
mic
ro
c
omp
uter
PIC1
6F6
9
0
MFP
IF
Co
nnector
With
secure
locking
de
vice
BM30B-
SHLDS
1W
,7W
⋭ࠛࡀࡕ࠼ᤨ
േ
Spred
Spectrum
CY25811SXCT
Crystal
Resona
tor
24.576M
H
z
Vo
lt
a
g
e
Regulator
R1173S0
01B
Cr
ystal
Resonator
14.7456MHz
RESET
IC
BD4528
5G
Sp
eake
r
C
o
nne
ctor
S02
B-
PA
SK
STA
T
US
LE
D_
0
STA
T
US
LE
D_
1
(No
t
mount)
v
oltage
le
v
e
l
Vo
lt
a
g
e
Regulator
NJU7
772F
18
Po
w
e
r
Amplifier
LM4
8
1
9
Vo
lume
Cha
nge
B
U
4066
NJ
M
3
41
4
CI
D
etec
tio
n
v
oltage
le
v
e
l
Filter
+24V
Dete
ction
+24V
+12V
CI
F
i
ter
CI
F
i
ter
Fi
lter
vo
lt
a
g
e
le
v
e
l
MR
ON
AFE
_CLK
A
F
E_R
ES
-
AS
PC
LK
AB
ITCLK
AR
XD
AT
X
D
S
P
K(
an
alog
)
RGDT
-(CI
ᬌ
)
TE
L
ID
CI2-
CI-
HS1
-
HS2
-
CID-
+5
V
2
+1
2
+2
4
+5
VA
+5
VA
BZ
EN_SP
K
O
N-
EN_
B
ZO
N-
VO
LA
VO
LB
VO
L
C
VO
L
D
SP
MU
TE-
3.
3
V
1.
8
V
MDM3
.3V
RE
SET-
3.3
V
+5
V
+5
VA
MDM3
.3
V
+3
.3V
+2
4
V
MON_
24
V
-
+2
4V
+5
V
+3
.3V
+5
V2
RE
S_
FA
X-
FAX_RXD(
D)+
FAX
_
R
X
D(
D)-
FAX
_
T
X
D(
D)+
F
A
X
_
TXD(D
)-
F
A
X
_
CTS(D
)-
FA
X
_
R
T
S
(D
)-
FA
X
_
R
X
D
(C
S
)+
FA
X_
RX
D(C
S
)-
F
A
X
_
TXD(C
S
)+
FA
X_TX
D
(CS)-
FA
X_CTS(CS)-
FA
X_RTS(
CS)-
FL
VPP
Ve
rs
io
n
ID
CNCT_
FA
X-
3.
3
V
1.
9
V
PICPG
WUP_FAX-
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
SH770
6
JT
AG
Connector
14pin
(Not
moun
t)
Log
Connector
(N
ot
moun
t)
M_
EN
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