Read Sharp MX-M654N / MX-M754N (serv.man6) Service Manual online
MX-M654N CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図と部品配置図 3 – 90
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FAX
_
TX
D_CS_N
FAX
_
RX
D_D_N
FAX
_
RX
D_D_P
FAX
_
RX
D_CS_P
FAX
_
RX
D_CS_N
FAX
_
TX
D_D_P
FAX
_
TX
D_D_N
FAX
_
TX
D_CS_P
RES_FAX
+
3
R3V_ECO
+
3
R3V_ECO
+3
.3
V
+
3
R3V_ECO
+
3
R3V_ECO
GND
GND
GND
+
5
VL_FAX
+3
.3
V
GND
+5
V
L
GND
GND
+3
.3
V
+
24V
GND
+
5
VO_PSW
+
5
VO_PSW
+
24V_FAX
GND
GND
GND
GND
GND
+
3
R3V_ECO
+
5
VL_FAX
+
24V_FAX
GND
TX
D_FAX
_
CS
(23)
TX
D_FAX
_
D
(23)
RX
D_FAX
_
CS
(23)
RX
D_FAX
_
D
(23)
n
C
TS_FAX
_CS
(23)
n
R
TS_FAX
_CS
(23)
n
C
TS_FAX
_D
(23)
n
R
TS_FAX
_D
(23)
n
W
U_FAX
(22)
n
R
ES_FAX
(23)
n
CNCT_FAX
(23)
R539
F_0J(1608)
C222
F_1000pF(B)
RB78 F_10KJ
RB89
F_0J
C216
F_10u
F(2012:B:16V)
CP756
C213
F_1000pF(B)
C225
F_0.1u
F(1608:B)
C226
F_1000pF(B)
C199
F_1000pF(B)
IC59
F_DS90LV049TMTX
ROUT1
15
ROUT2
14
DIN2
11
DIN1
10
RIN1+
2
RIN1-
1
RIN2+
3
RIN2-
4
DOUT2+
6
DOUT2-
5
DOUT1+
7
DOUT1-
8
EN
16
SL
9
VDD
12
GND
13
C201
F_0.1u
F(B)
QB6
4.7K
47K
X
_
DTC043ZUB
CP733
C206
F_10u
F
(2012:B:16V)
QB5
4.7K
47K
F_DTC043ZUB
QB11
4.7K
47K
X
_
DTC043ZUB
CP680
R489 F_0J
F7
F_0603FT3A(1608)
C181
F_0.1u
F(B)
RB83 F_10KJ
R530 F_100J
RB79 X
_1KJ
+
C223
X
_47u
F/35V(MZE)
C184
F_0.1u
F(B)
C233
F_1000pF(B)
CN18
F_B31B-CSRK
PGND
1
GND
2
+3
.3
V
_
F
3
+3
.3
V
_
F
4
n
CNCT_FAX
5
F
A
XD
_
T
XD
_
N
6
F
A
XD
_
T
XD
_
P
7
+
5
V_(off)
8
n
R
ES_FAX
9
FAX
C
S_TX
D_P
10
FAX
C
S_TX
D_N
11
GND
12
F
A
XD
_
R
XD
_
N
13
F
A
XD
_
R
XD
_
P
14
nF
A
X
_
W
U
P
15
FAX
C
S_RX
D_P
16
FAX
C
S_RX
D_N
17
5V_(off)
18
GND
19
n
F
AX
D_RTS
20
GND
21
n
F
AX
D_CTS
22
FLVPP
23
nF
A
X
C
S
_
R
T
S
24
+5
V
_
A
25
nF
A
X
C
S
_
C
T
S
26
+
24V
27
+3
.3
V
_
F
28
+3
.3
V
_
F
29
GND
30
PGND
31
CP707
R529 F_100J
C232
F_0.1u
F(B)
R500
X_
0
J
R490 47KJ
R488 47KJ
QB10
4.7K
47K
F_DTC043ZUB
C234
F_10u
F(2012:B:16V)
C221
F_0.1u
F(B)
RB69 X
_1KJ
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