Sharp MX-M623U / MX-M753U (serv.man8) Service Manual ▷ View online
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 100
24V1
24V1
24V1
24V1
24V1
5VN
24V1
24V1
W M
<18>
<18>
M
<18>
<18>
<18>
M
<18>
T1LUM
<18>
T2LUM
<18>
M1LUM
<18>
/WHPR
<18>
M2LUM
<18>
/reserve2_out
<18>
/CFM-DC1_PWM
<18>
/CFM-DC2_PWM
<18>
CFM-DC2_V
<18>
CFM-DC1_V
<18>
/TCBPWM
<17>
/TURM
<11>
/CFM-DV_PWM
<17>
CFM-DV_V
<17>
reserve1_out
<17>
/PCS_LEDSW
<15>
Q8
2SB1240
2SB1240
D71
RF071M2S
R233
560J(1/2W)
560J(1/2W)
TP1012
TP820
Q21
2SB1240
2SB1240
TP108
TP70
Q15
KTA1551T
KTA1551T
R205
1.5kJ 1/4W
D70
RF071M2S
TP77
D78
1SS355
1SS355
F4
0603SFF100FM
R130
1.5kJ 1/4W
R140
560J(1/2W)
560J(1/2W)
R
2
17
20kJ
Q11
KTA1551T
KTA1551T
R234
560J(1/2W)
560J(1/2W)
Q24
KTA1551T
KTA1551T
TP832
TP374
R238
47kJ
47kJ
R
2
16
20kJ
D44
1SS355
1SS355
Q20
2SB1240
2SB1240
Q10
2SB1240
2SB1240
F2
0603SFF100FM
Q67
DTC143Z
GND
OUT
R112
1.5kJ 1/4W
F1
0603SFF100FM
D111
1SS355
1SS355
R127
1.5kJ 1/4W
R5
4
0
1
k
J
R123
560J(1/2W)
560J(1/2W)
R1
34
20kJ
Q16
KTA1551T
KTA1551T
R141
560J(1/2W)
560J(1/2W)
R
2
24
20kJ
Q72
KTA1551T
KTA1551T
TP83
TP65
D69
1SS355
1SS355
R206
1.5kJ 1/4W
IC57
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
Q50
KTA1551T
KTA1551T
R654
47kJ
47kJ
R
2
23
20kJ
TP371
TP898
D160
1SS355
1SS355
R203
1.5kJ 1/4W
TP897
TP306
F5
0603SFF100FM
R648
4.7kJ 1/4W
4.7kJ 1/4W
TP307
R241
4.7kJ 1/4W
4.7kJ 1/4W
R499
47kJ
47kJ
R1
1
7
2
0
k
J
R229
560J(1/2W)
560J(1/2W)
R122
560J(1/2W)
560J(1/2W)
TP316
R1
33
20kJ
D47
RF071M2S
R228
560J(1/2W)
560J(1/2W)
D68
1SS355
1SS355
TP1007
TP416
R1
1
6
2
0
k
J
TP97
R498
4.7kJ 1/4W
4.7kJ 1/4W
R204
1.5kJ 1/4W
D50
1SS355
1SS355
Q9
KTA1551T
KTA1551T
TP911
TP315
TP849
R108
1.5kJ 1/4W
D51
RF071M2S
C
D
E
4
3
2
1
8/19
C
D
E
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
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 102
24V1
24V1
24V1
24V1
3.3V
3.3V
3.3V
3.3V
5VN
5VN
3.3V
3.3V
5VN
3.3V
24V1
VFM-EX2_V
<17>
VFM-EX1_V
<17>
VFM-BKL_V
<17>
VFM-EX3_V
<17>
CFM-UP3_V
<17>
CFM-UP1_V
<17>
CFM-UP2_V
<17>
VFM-BKU_V
<17>
/VFM-EX3LD <3>
/VFM-EX2LD <3>
/VFM-EX1LD <3>
/VFM-BKRLD
<3>
VFM-BKRLD
<17>
/CFM-DVLD
<3>
/CFM-UP2LD
<3>
/CFM-UP1LD
<3>
/CFM-UP3LD
<3>
/CFM-UP4LD
<3>
/VFM-BKULD
<3>
/VFM-BKLLD <3>
reserve1_in#
<1>
reserve1_in
<17>
reserve3_in
<18>
reserve3_in#
<5>
CFM-UP4_V
<17>
R4
4
8
1
k
J
R198
1kJ
1kJ
R653
47kJ
47kJ
R650
1kJ 1/4W
R4
4
5
1
k
J
R
6
22
4.
7kJ
TP1016
C2
8
5
1
0
0
p
F
(NM
)
R629
47kJ
47kJ
D139
KDS123E(NM)
2
1
3
D161
1SS355
1SS355
D157
1SS355
1SS355
R649
47kJ
47kJ
D151
KDS123E(NM)
2
1
3
C2
8
3
1
0
0
p
F
(NM
)
R
6
11
4.
7kJ
R
6
11
4.
7kJ
R644
1.5kJ 1/4W
1.5kJ 1/4W
R314
4.7kJ
4.7kJ
C2
3
3
1
0
0
p
F
(NM
)
Q29
DTC143Z
DTC143Z
IN
GND
OUT
Q69
2SA2056
2SA2056
R631
1kJ 1/4W
C98
100pF(NM)
100pF(NM)
141
3E(NM)
3
IC45
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
TP1004
R597
1kJ
1kJ
Q18
DTC143Z
DTC143Z
IN
GND
OUT
R651
47kJ
47kJ
D156
1SS355
1SS355
R
6
18
4.
7kJ
R
6
18
4.
7kJ
D162
1SS355
1SS355
R609
4.7kJ
4.7kJ
R
6
12
4.
7kJ
R
6
12
4.
7kJ
148
3E(NM)
3
Q63
DTC143Z
DTC143Z
IN
GND
OUT
R643
4.7kJ 1/4W
4.7kJ 1/4W
TP735
R604
4.7kJ 1/4W
R596
1kJ
1kJ
Q64
DTC143Z
DTC143Z
IN
GND
OUT
R598
1kJ
1kJ
TP1003
C147
100pF(NM)
100pF(NM)
R4
5
5
1
k
J
R4
6
0
1
k
J
TP1014
D87
KDS123E(NM)
2
1
3
Q71
KTA1551T
KTA1551T
R4
4
4
1
k
J
R
6
21
4.
7kJ
R
6
21
4.
7kJ
R4
4
3
1
k
J
D72
KDS123E(NM)
2
1
3
C2
8
6
1
0
0
p
F
(NM
)
R
6
14
4.
7kJ
R
6
14
4.
7kJ
R636
1.5kJ 1/4W
1.5kJ 1/4W
R630
47kJ
47kJ
R313
1kJ
1kJ
R4
9
34
.7
k
J
Q70
KTA1551T
KTA1551T
Q73
2SA2056
2SA2056
TP1015
C2
8
0
1
0
0
p
F
(NM
)
Q66
DTC143Z
DTC143Z
IN
GND
OUT
R595
1kJ
1kJ
Q65
DTC143Z
DTC143Z
IN
GND
OUT
R197
4.7kJ
4.7kJ
Q74
KTA1505S
KTA1505S
C2
6
7
1
0
0
p
F
(NM
)
TP1006
C278
100pF(NM)
100pF(NM)
C2
8
1
1
0
0
p
F
(NM
)
R4
6
5
1
k
J
D159
1SS355
1SS355
TP1005
R605
4.7kJ 1/4W
C
D
E
4
3
2
1
9/19
C
D
E
MX-M753 CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図
2 – 103
24V1
24V1
24V1
24V1
24V1
24V1
24V1
DG
<7>
MPFC
<4>
/MPFC
<18>
/HPFC
<18>
T2PFC
<4>
/T2PFC
<18>
HPFC
<4>
(/DSKLS)
<18>
(PSBC)
<4>
(/PSBC)
<18>
(DSKLS)
<4>
T1PFC
<4>
M2PFC
<4>
/M2PFC
<18>
/M1PFC
<18>
DSKPFC2
<4>
/DSKPFC2
<18>
/T1PFC
<18>
M1PFC
<4>
M1
<7>
M2
<7>
MPF
<7>
/FRS
<17>
FRS#
<7>
HPLS
<4>
/HPLS
<18>
PNC
<3>
(RRC)
<3>
(/RRC)
<17>
/PNC
<17>
CV_CA
<5>
/CV_CA
<18>
CV_COLOR1
<5>
/CV_COLOR1
<18>
/CV_STAPL E <18>
/CV_DUPLEX <18>
/CV_DUPLEX <18>
/CV_COLOR0
<18>
CV_STAPLE
<3>
CV_COLOR0
<3>
CV_DUPLEX
<3>
/CV_COUNT
<18>
/CV_STAR T
<18>
CV_START
<5>
CV_COUNT
<5>
DSKPFC1
<4>
(VPFC2)
<4>
/DSKPFC1
<18>
ZD9
PTZ TE25 20B
R147
0J(NM)
0J(NM)
TP163
TP132
R590
390J 1/4W
D125
1SS355(NM)
1SS355(NM)
TP853
ZD8
PTZ TE25 20B
TP147
IC11
KID65003AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
TP172
R657
0J(1608)
7
TP188
IC10
KID65003AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
TP881
R144
0J(NM)
0J(NM)
TP942
R655
0J(NM)
0J(NM)
D158
1SS355
1SS355
TP925
ZD7
PTZ TE25 20B
TP187
R541
0J(NM)
0J(NM)
TP175
TP176
TP156
R607
10kJ
10kJ
TP124
TP931
R145
0J(NM)
0J(NM)
TP864
TP1017
ZD14
PTZ TE25 20B
TP144
IC54
KID65003AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
TP166
TP148
TP148
TP1018
IC9
KID65003AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
Q68
2SD1898
2SD1898
TP987
ZD13
PTZ TE25 20B
IC58
KID65003AF
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
1C
16
2C
15
3C
14
4C
13
5C
12
6C
11
7C
10
A
B
C
4
3
2
1
PCU PWB (Driver section 4)
A
B
C
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