Sharp MX-FXX2 (serv.man2) Service Manual ▷ View online
MX-FXX2 ELECTRICAL SECTION 8 – 1
MX-FXX2
Service Manual
[8] ELECTRICAL SECTION
1. Block diagram
RGDT
-(CI
dete
ction
)
O
per
ation
in
1W/7W
ener
gy-
sav
em
od
e
MX-FXX2 ELECTRICAL SECTION 8 – 2
2. Actual wiring chart
C
N2
CN18
1S
P
-
CN1
1
GND
2
SP+
DGND
30
2
GND
S02
B-
P
A
SK
-2(L
F)(SN)
+3.3V
29
3
+3.3V_
F
+3.3V
28
4
+3.3V_
F
CNCT_
FAX-
26
5
nCNCT_
FAX
FAX
_R
X
D(D)
-
27
6
FAX
D_T
X
D_N
MJ1
CN1
CN3
FAX
_R
X
D(D)+
25
7
FAX
D_T
X
D_P
1
L1
+24V
1
1
+24V
+5V
24
8
+5V_(
off)
2L
2
A
G2
2
P
G
N
D
RES_
FAX-
22
9
nRES_
FAX
MJ
-62J
-RD315(L
F)
+24V
3
3
+24V
FAX
_R
XD(CS)+
23
10
FAX
CS_T
XD_P
A
G4
4
P
G
N
D
FAX
_R
XD(CS)
-
21
11
FAX
CS_T
XD_N
150V
O
N
5
5
150V
O
N
DGND
20
12
GND
CI
O
N6
6
C
IO
N
FAX
_T
X
D(D)
-
19
13
FAX
D_R
X
D_N
MSGMUTE
7
7
MSGMUTE
FAX
_T
X
D(D)+
17
14
FAX
D_R
X
D_P
HS1
-
8
8
HS1
-
FAX
_WUP
-
18
15
nFAX
_WUP
MJ2
HS2
-
9
9
HS2
-
FAX
_T
XD(CS)+
15
16
FAX
CS_R
XD_P
1T
E
L1
C
I-
10
10
CI
-
FAX
_T
XD(CS)
-
13
17
FAX
CS_R
XD_N
2T
E
L2
E
X
HS
-
11
11
E
X
HS
-
+5V
16
18
+5V_(
off)
MJ
-62J
-RD315(L
F)S
O
N1
12
12
S
O
N1
DGND
14
19
GND
S
O
N2
13
13
S
O
N2
FAX
_CTS(D)
-
11
20
nFAX
D_RTS
EC
O
N1
4
14
E
C
O
N
DGND
12
21
GND
MR
O
N1
5
15
M
R
O
N
FAX
_RTS(D)
-
92
2
nFAX
D_CTS
TELID
16
16
TELID
FLVPP
10
23
FLVPP
CI2
-
17
17
CI2
-
FAX
_CTS(CS)
-
72
4
nFAX
CS_RTS
NC
18
18
NC
+5VS
8
25
+5V_
A
TELID2
19
19
TELID2
FAX
_RTS(CS)
-
5
26
nFAX
CS_CTS
NC
20
20
NC
+24V
6
27
+24V
DG
21
21
MDMGND
+3.3V
4
28
+3.3V_
F
+3.3V
22
22
MDM3.3V
+3.3V
3
29
+3.3V_
F
DG
23
23
MDMGND
DGND
2
30
GND
+5VS
24
24
+5VS
PG
1
31
GND
DG
25
25
MDMGND
B
M30
B-
SHLDS
-G
-T
FT(L
F)(SN)
B
31
B-
CSRK(L
F)(SN)
SI3_RES
-
26
26
SI3_RES
-
SPK
27
27
SPK
MDM_
A
TX
D2
8
28
A
TX
D
MDM_
A
R
X
D2
9
29
A
R
X
D
MDM_
AB
ITCLK
30
30
AB
ITCLK
MDM_
ASPCLK
-
31
31
A
SPCLK
RGDT
-
32
32
RGDT
-
MDM_CLK
33
33
AF
E_CLK
AF
ERES
-
34
34
AF
E_RES
-
BB
ITCLK
35
35
BB
ITCLK
B
SPCLK
36
36
B
SPCLK
B
R
X
D3
7
37
B
TX
D
B
TX
D3
8
38
B
R
X
D
HDMUTE
-
39
39
HDMUTE
-
RHS
-
40
40
RHS
-
TX
25
-40P
-12ST
-H1E
TX
24
-40R
-10ST
-H1E
TO
LINE
TO
E
X
TEL
TEL
LIU
P
WB
FA
X
MAIN
P
WB
MFP
C
P
WB
(BOA
RD
TO
BOA
RD)
SPE
A
KER
MX-FXX2 ROM VERSION-UP 9 – 1
MX-FXX2
Service Manual
[9] ROM VERSION-UP
For how to ROM VERSION-UP, refer to the MX-2600/3100 service
manual.
manual.
Memo
Click on the first or last page to see other MX-FXX2 (serv.man2) service manuals if exist.