Read Sharp MX-M623U / MX-M753U (serv.man8) Service Manual online
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 109
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
/M1LUDin
<4>
/M1PEDin
<4>
/M2LUDin
<4>
/M1LUD
<18>
/M2LUD
<18>
/POD1in
<3>
/POD3
<17>
/POD3in
<3>
/POD2in
<3>
/POD1
<17>
/POD2
<17>
/M1PED
<18>
PCU_DTR
<17,18>
PCU_TXD
<17,18>
M2SS1
<18>
M2SS2
<18>
M2SS3
<18>
M2SS4
<18>
M2SS1in
<4>
M2SS2in
<4>
M2SS3in
<4>
M2SS4in
<4>
M1SS1
<18>
M1SS1in
<4>
PCU_TXD#
<6>
M1SS2in
<4>
M1SS3in
<4>
M1SS4in
<4>
M1SS2
<18>
M1SS3
<18>
M1SS4
<18>
PCU_RES#
<6>
PCU_DTR
<17,18>
PCU_DTR#
<6>
PCU_TXD
<17,18>
/RSV_DAT
<17>
/RSV_DAT #
<6>
JOBEND_INT
<17>
JOBEND_INT##
<6>
PCU_RES
<17,18>
PCU_RES
<17,18>
C
2
3
1
00pF
R6
2
0
4
.7
k
J
C
1
22
100pF
C
1
25
33pF(
N
M
)
D33
KDS123E(NM)
2
1
3
C
3
3
1
00pF
R1
6
4
.7
k
J
R1
6
4
.7
k
J
C
2
2
1
00pF
R53
1kJ
C
1
40
100pF(
N
M
)
R52
1kJ
D147
KDS123E(NM)
2
1
3
R601
1kJ
D24
KDS123E(NM)
2
1
3
C
3
4
1
00pF
R6
1
7
4
.7
k
J
R2
4
4
.7
k
J
R2
4
4
.7
k
J
R93
1kJ
R93
1kJ
D79
KDS123E(NM)
2
1
3
R54
1kJ
R96
1kJ
R96
1kJ
D36
KDS123E(NM)
2
1
3
D86
KDS123E(NM)
2
1
3
R6
9
4.
7kJ
R2
9
51
k
J
R307
10kJ
10kJ
C
1
7
1
00pF
R297
1kJ
D23
KDS123E(NM)
2
1
3
R2
6
5
1
k
J
D83
KDS123E(NM)
2
1
3
R6
7
4
.7
k
J
R6
8
4
.7
k
J
R2
6
0
1
k
J
R602
1kJ
C
2
1
1
00pF
R6
1
9
4.
7kJ
R58
1kJ
R58
1kJ
R1
7
4
.7
k
J
R59
1kJ
R59
1kJ
R306
1kJ
D16
KDS123E(NM)
2
1
3
C
1
31
33pF(
N
M
)
R2
2
4
.7
k
J
R2
2
4
.7
k
J
R256
1kJ
C
1
6
1
00pF
R603
1kJ
C
1
5
1
00pF
D34
KDS123E(NM)
2
1
3
R61
1kJ
R61
1kJ
D15
KDS123E(NM)
2
1
3
R252
1kJ
C
3
5
1
00pF
C
2
66
100pF
R264
1kJ
C
2
68
100pF
C
2
0
1
00pF
C
3
6
1
00pF
D22
KDS123E(NM)
2
1
3
D21
KDS123E(NM)
2
1
3
R2
3
4
.7
k
J
R2
3
4
.7
k
J
D150
KDS123E(NM)
2
1
3
R60
1kJ
R60
1kJ
D81
KDS123E(NM)
2
1
3
C2
6
9
100pF
D17
KDS123E(NM)
2
1
3
D35
KDS123E(NM)
2
1
3
C
1
43
100pF(
N
M
)
D149
KDS123E(NM)
2
1
3
R2
5
0
1
k
J
R95
1kJ
R95
1kJ
D84
KDS123E(NM)
2
1
3
R1
8
4
.7
k
J
R7
0
4
.7
k
J
R2
5
4
.7
k
J
R2
5
4
.7
k
J
R94
1kJ
R94
1kJ
A
B
C
4
3
2
1
PCU PWB (Input section 2 & Inter Lock)
A
B
C
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