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 – 101
3.3V
3.3V
5VN
24V1
3.3V
5VN
3.3V
3.3V
5VN
5VN
5VN
5VN
24V1
/CFM-R2LD
<3>
CFM-R2LD
<18>
/CFM-R1LD
<3>
CFM-R1LD
<18>
/VFM-BKL_PWM <17>
/CFM-UP3_PWM
<17>
VFM-EX_PWM
<3>
CFM-UP_PWM
<3>
/VFM-EX1_PWM <17>
/CFM-UP1_PWM
<17>
/VFM-EX2_PWM <17>
/VFM-EX3_PWM <17>
/VFM-EX3_PWM <17>
/CFM-UP2_PWM
<17>
/CFM-R3LD
<3>
CFM-R3LD
<18>
VFM-EX3LD
<17>
VFM-EX2LD
<17>
VFM-EX1LD
<17>
/CFM-DC2LD
<5>
CFM-DC2LD
<18>
/CFM-DC1LD
<5>
CFM-DC1LD
<18>
CFM-DVLD
<17>
CFM-UP1LD
<17>
CFM-UP2LD
<17>
CFM-UP4LD
<17>
CFM-UP3LD
<17>
VFM-BKULD
<17>
VFM-BKLLD
<17>
VFM-BKU_V#
<3>
/VFM-BKU_PWM <17>
CFM-UP_V#
<3>
VFM-EX12_V#
<3>
CFM-UP4_V#
<3>
/CFM-UP4_PWM
<17>
VFM-BKU_PWM
<3>
VFM-EX3KL_V#
<3>
CFM-UP4_PWM
<3>
TP979
R4
0
0
4
.7
k
J
TP689
Q42
DTC143Z
DTC143Z
IN
GND
OUT
R
4
20
4.
7kJ(
N
M
)
C112
100pF(NM)
100pF(NM)
R3
7
8
4
.7
k
J
R
4
25
4.
7kJ(
N
M
)
R613
4.7kJ
4.7kJ
TP697
TP981
R615
4.7kJ
4.7kJ
R3
8
5
4
.7
k
J
D76
KDS123E(NM)
2
1
3
D141
KDS123E(N
2
1
D110
KDS123E(NM)
2
1
3
D145
KDS123E(NM)
2
1
3
C213
100pF(NM)
100pF(NM)
TP746
D143
KDS123E(NM)
2
1
3
C282
100pF(NM)
100pF(NM)
D148
KDS123E(N
2
1
R211
4.7kJ
4.7kJ
R
4
71
4.
7kJ
TP725
R215
1kJ
1kJ
D144
KDS123E(NM)
2
1
3
IC39
TD62503FG
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
D142
KDS123E(NM)
2
1
3
R451
1kJ
1kJ
R
4
70
4.
7kJ
Q6
DT
DT
R474
4.7kJ
4.7kJ
TP769
R3
7
7
4
.7
k
J
R3
8
4
4
.7
k
J
R4
1
1
4
.7
k
J
D152
KDS123E(NM)
2
1
3
TP671
R3
8
3
4
.7
k
J
TP791
R3
9
14
.7
k
J
IC44
TD62503FG
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
G
8
NC
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
R469
1kJ
1kJ
TP726
R3
99
4.
7kJ
Q44
DTC143Z
DTC143Z
IN
GND
OUT
R610
4.7kJ
4.7kJ
R475
1kJ
1kJ
R450
4.7kJ
4.7kJ
R4
1
0
4
.7
k
J
D73
KDS123E(NM)
2
1
3
C104
100pF(NM)
100pF(NM)
C216
100pF(NM)
100pF(NM)
D107
KDS123E(NM)
2
1
3
R468
4.7kJ
4.7kJ
R4
1
9
1kJ
R3
8
2
4
.7
k
J
Q6
DT
DT
R4
0
9
4.
7kJ
TP680
TP751
R230
1kJ
1kJ
Q23
DTC143Z
DTC143Z
IN
GND
OUT
TP992
Q45
DTC143Z
DTC143Z
IN
GND
OUT
Q6
DT
DT
C279
100pF(NM)
100pF(NM)
R3
9
04
.7
k
J
R227
4.7kJ
4.7kJ
D101
KDS123E(NM)
2
1
3
TP683
TP717
D102
KDS123E(NM)
2
1
3
R4
0
8
4
.7
k
J
Q22
DTC143Z
DTC143Z
IN
GND
OUT
C228
100pF(NM)
100pF(NM)
D140
KDS123E(NM)
2
1
3
TP703
C284
100pF(NM)
100pF(NM)
A
B
C
4
3
2
1
PCU PWB (Driver section 3)
A
B
C
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