DOWNLOAD Sharp MX-M623U / MX-M753U (serv.man8) Service Manual ↓ Size: 10.06 MB | Pages: 127 in PDF or view online for FREE

Model
MX-M623U MX-M753U (serv.man8)
Pages
127
Size
10.06 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / CIRCUIT DIAGRAM
File
mx-m623u-mx-m753u-sm8.pdf
Date
PREV: Sharp MX-M623U / MX-M753U (serv.man7) Service Manual

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 –  96
JOBEND_INT#
JOBEND_INT#
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
RRMA#
<3>
RRMB#
<3>
RRMXA#
<3>
RRMXB#
<3>
RRMA
<17>
RRMB
<17>
RRMXA
<17>
RRMXB
<17>
VPMA#
<4>
VPMA
<17>
VPMB#
<4>
VPMXA#
<4>
VPMXB#
<4>
VPMB
<17>
VPMXA
<17>
VPMXB
<17>
ADM2A#
<4>
ADM2B#
<4>
ADM2XA#
<4>
ADM2XB#
<4>
ADM2A
<17>
ADM2B
<17>
ADM2XA
<17>
ADM2XB
<17>
TRMA#
<3>
TRMA
<17>
TRMB#
<3>
TRMXA#
<3>
TRMXB#
<3>
TRMB
<17>
TRMXA
<17>
TRMXB
<17>
POM2A#
<4>
POM2B#
<4>
POM2XA#
<4>
POM2XB#
<4>
POM2A
<17>
POM2B
<17>
POM2XA
<17>
POM2XB
<17>
ADM1A#
<4>
ADM1A
<17>
ADM1B#
<4>
ADM1XA#
<4>
ADM1XB#
<4>
ADM1B
<17>
ADM1XA
<17>
ADM1XB
<17>
/TFSD#
<12>
/TNFS#
<12>
reserve2_in##
<3>
/TFSDin
<3>
/TNFSin
<4>
POM1A#
<4>
POM1A
<17>
POM1B#
<4>
POM1XA#
<4>
POM1XB#
<4>
POM1B
<17>
POM1XA
<17>
POM1XB
<17>
/PCU_DTR
<1>
LSU_RST
<17>
RSV_DAT
<1>
/TRANS_RST
<17>
/POF
<17>
/SCK
<17>
/PCU_TRG
<17>
/PCU_TXD
<1>
/PCU_RES
<1>
/JOBEND_INT
<1>
PCU_RXD
<17,18>
PCU_DSR
<17,18>
/TRANS_DAT
<17>
(/TNCRU)
<11>
(/TNCRUin)
<4>
TP457
TP145
TP123
TP80
TP80
IC4
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP115
TP452
TP114
TP164
TP75
TP75
TP119
TP95
R303
33J
TP474
TP41
TP137
TP131
C65
0.1uF
TP475
TP19
TP82
TP82
IC7
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP419
TP51
TP51
BR4
33J x4
1
2
3
4
8
7
6
5
BR2
33J x4
1
2
3
4
8
7
6
5
BR6
33J x4
1
2
3
4
8
7
6
5
TP136
IC2
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP37
TP52
TP52
C127
100pF(NM)
TP473
TP105
TP484
TP182
C50
0.1uF
TP456
TP68
TP68
TP101
TP431
TP165
BR7
33J x4
1
2
3
4
8
7
6
5
TP505
BR3
33J x4
1
2
3
4
8
7
6
5
C53
0.1uF
4
0
2
TP79
TP79
TP24
BR37
33J x4
7
1
2
3
4
8
7
6
5
BR33 33J x4
1
2
3
4
8
7
6
5
TP61
TP61
IC12
TC74LCX244FT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP174
BR8
33J x4
1
2
3
4
8
7
6
5
TP94
TP118
R1
3
7
1
0
k
J
TP106
C44
0.1uF
TP146
BR1
33J x4
1
2
3
4
8
7
6
5
TP155
4
0
2
TP446
C
D
E
4
3
2
1
6/19
C
D
E
MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  97
5VN
3.3V
5VN
5VN
3.3V
5VN
5VN
5VN
3.3V
5VN
5VN
5VN
24V1
5VN
3.3V
5VN
5VN
5VN
PSPS
<3>
TM2a
<3>
TM2b
<3>
PSPS#
<10>
CRUM_SCL
<11>
CRUM_SCL#
<3>
DGS
<3>
TM1a
<3>
TM1b
<3>
DGS#
<10>
TM1a#
<11>
TM1b#
<11>
TM2a#
<11>
TM2b#
<11>
MFPUS#
<10>
MFPUS
<4>
MPFGS
<4>
MPFGS#
<10>
reserve3_out
<4>
FRS
<3>
WEBM2A
<3>
WEBM2B
<3>
FRS#
<10>
WEBM1A#
<11>
WEBM1A
<3>
WEBM1B
<3>
WEBM2A#
<11>
WEBM1B#
<11>
WEBM2B#
<11>
(TNCRU_T)
<4>
(TNCRU_T#)
<11>
/TXD_FIN
<1>
RXD_FIN
<18>
DTR_FIN
<4>
/DSR_FIN
<18>
/TXD_LCC
<1>
RXD_LCC
<18>
DTR_LCC
<4>
/DSR_LCC
<18>
TRC_LCC
<4>
/RES_LCC
<4>
/RES_FIN
<4>
/MMCLK
<4>
MM_D
<4>
/FUMCLK
<3>
FUM_D
<3>
/DVMCLK
<3>
DVM_D
<3>
DM_D
<3>
/DMCLK
<3>
VFM-BKR_PWM
<3>
T1PUS
<4>
T1PUS#
<10>
T2PUS#
<10>
T2PUS
<4>
M1PUS
<4>
M2PUS
<4>
M1PUS#
<10>
M2PUS#
<10>
/TXD_DBG
<1>
RXD_DBG
<18>
DSR_DBG
<3>
IC33
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
IC34
TC74VHCT244AFT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
B
4
1
2
3
4
8
7
6
5
TP280
TP233
TP392
TP392
D61
KDS123E(NM)
D61
KDS123E(NM)
2
1
3
IC19
TC74VHCT244AFT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
C
218
100pF(
N
M
)
TP64
BR5
4.7k
1
2
3
4
8
7
6
5
TP281
TP489
TP489
TP113
BR60
4.7kJ
1
2
3
4
8
7
6
5
TP1011
TP572
TP748
TP282
TP447
TP447
TP789
TP566
TP288
R
174
10kJ
R
1
68
4.
7kJ
R
1
68
4.
7kJ
TP553
C141
0.1uF
R
171
10kJ
R
1
38
4.
7kJ
R
1
38
4.
7kJ
R453
1kJ(NM)
TP293
R
1
56
4.
7kJ
R
1
56
4.
7kJ
IC16
TC74VHCT244AFT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
TP420
TP420
C
7
4
1
00pF
C
7
4
1
00pF
R164
1kJ
R164
1kJ
TP229
R
170
10kJ
D103
KDS123E(NM)
2
1
3
TP46
D49
KDS123E(NM)
D49
KDS123E(NM)
2
1
3
R
3
18
4.
7kJ
C
217
100pF
TP266
TP267
TP212
TP458
TP458
TP231
TP1001
R3
2
3
1
0
k
J
TP237
R
4
58
4.
7kJ(
N
M
)
TP586
TP289
TP251
TP59
TP565
TP253
TP563
TP563
TP485
TP485
TP255
R
4
57
4.
7kJ
TP296
BR21
10kJ x4
1
2
3
4
8
7
6
5
R128
1kJ
R128
1kJ
D52
KDS123E(NM)
D52
KDS123E(NM)
2
1
3
C83
0.1uF
TP775
TP292
TP72
TP587
R452
1kJ
R2
7
9
10kJ
TP45
TP567
R1
9
61
0
k
J
D59
KDS123E(NM)
D59
KDS123E(NM)
2
1
3
TP117
R169
1kJ
R169
1kJ
IC29
TC74VHCT244AFT
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
C97
0.1uF
TP533
C4
9
100pF
C4
9
100pF
C164
0.1uF
R139
1kJ
R139
1kJ
TP88
TP996
TP230
R
180
10kJ
TP252
TP439
TP439
R3
3
8
1
0
k
J
TP1013
C
5
2
1
00pF
C
5
2
1
00pF
R
1
24
4.
7kJ
R
1
24
4.
7kJ
TP247
R3
2
5
1
0
k
J
D104
KDS123E(NM)
2
1
3
C
6
6
1
00pF
C
6
6
1
00pF
TP54
TP262
A
B
C
4
3
2
1
PCU PWB (Buffer 2 & Driver 1)
A
B
C
MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  98
RES_LCC
RES_FIN
RES_LCC
RES_FIN
12V
12V
5VN
3.3V
3.3V
24V1
24V1
3.3V
3.3V
3.3V
/MM_D
<18>
MMCLK
<18>
TXD_FIN
<18>
/RXD_FIN
<1>
/DTR_FIN
<18>
DSR_FIN
<5>
RES_FIN
<18>
TXD_LCC
<18>
/RXD_LCC
<1>
/DTR_LCC
<18>
DSR_LCC
<5>
RES_LCC
<18>
/TRC_LCC
<18>
RES_FINin
<5>
RES_LCCin
<5>
/HLPR
<11,17>
PTPULSE
<1>
VFM-BKR_V#
<3>
VFM-BKR_V
<17>
FUMCLK
<17>
/FUM_D
<17>
DVMCLK
<17>
/DVM_D
<17>
DMCLK
<17>
/DM_D
<17>
/VFM-BKR_PWM <17>
MSWMONin
<1>
/RXD_DBG
<1>
/DTR_DBGin
<3>
TXD_DBG
<18>
TP774
BR17
4.7kJ x4
233
Q34
DTC143Z
IN
GND
OUT
+
-
IC38B
LM339
+
-
5
4
2
TP596
R396
10kJ
TP747
BR5
4.7kJ x4
TP733
C
7
1
1
000pF
R
1
35
10kJ
C193
1uF/16V
113
R60
7kJ x4
TP201
C
5
1
1
000pF
R329
1kJ 1/4W
R375
4.7kF
TP100
TP760
R380
470kJ
TP686
R4
2
9
4.
7kJ
D91
1SS355
R395
10kJ
TP685
TP544
C180
0.1uF
TP707
TP583
(G)
(D)
(S)
Q37
2SK3018
R415
47kJ
C
1
85
2.
2uF/
10V
TP585
R1
5
7
1
0
k
J
R
3
18
4.
7kJ
212
R330
1kJ 1/4W
IC6
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
R368
10kJ
+
-
IC38D
LM339
+
-
11
10
13
R379
10kF
TP708
D94
1SS355
R369
4.7kJ
IC42
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
TP722
TP723
IC14
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
R376
100J
117
Q30
DTC143Z
IN
GND
OUT
R
3
17
4.
7kJ
R404
10kJ
Q31
KTA1505S
TP701
+
-
IC38A
LM339
+
-
7
6
1
3
12
R359
47kJ
TP702
R
4
24
4.
7kJ
247
+
-
IC38C
LM339
+
-
9
8
14
R405
1.5kF
TP684
TP716
C
D
E
4
3
2
1
7/19
C
D
E
MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  99
24V1
24V1
5VN
24V1
24V1
/TRMCNT
<3>
/ADM1CNT
<3>
/POM1CNT
<3>
/ADM2CNT
<3>
/RRMCNT
<3>
/POM2CNT
<3>
/VPMCNT
<3>
POM1CNT
<17>
POM2CNT
<17>
ADM1CNT
<17>
ADM2CNT
<17>
RRMCNT
<17>
TRMCNT
<17>
VPMCNT
<17>
/CHVACPW M
T2LUMout
<4>
T1LUMout
<4>
THV+PWM
<1>
CHVACPWM
<1>
GBPWM
<1>
CHV-PWM
<4>
DVPWM
<1>
/DVPWM
/THV+PWM
/GBPWM
/CHV-PWM
/W
CFM-DC_V#
<5>
M2LUMout
<4>
WHPR
<5>
M1LUMout
<4>
/re
/C
CFM-DC_PWM
<3>
/C
reserve2_out
<4>
CHV-REM
<4>
MHVREM
<4>
CHVACREM
<4>
DVREM
<4>
THV+REM
<4>
/CHVACRE M
<18>
/DVREM
<18>
/MHVREM
<18>
/THV+REM
<18>
/CHV-REM
<18>
HVREM
<4>
(PTDL)
<3>
CFM-UP2_V#
<3>
TURMout
<3>
CFM-DV_V#
<3>
TCBPWM
<4>
CFM-DV_PWM
<3>
/CV_SIZE3
<18>
/CFM-R3_PWM
<18>
CV_SIZE0
<5>
CFM-R_PWM
<3>
/CV_SIZE0
<18>
CV_SIZE3
<5>
CV_SIZE2
<5>
CV_SIZE1
<5>
/CFM-R1_PWM
<18>
/CV_SIZE1
<18>
/CV_SIZE2
<18>
/CFM-R2_PWM
<18>
CFM-R1_V
<18>
CFM-R_V#
<3>
CFM-R3_V
<18>
CFM-R2_V
<18>
HVREMout
<18>
reserve1_out#
<1>
PCS_LEDSW
<3>
TP90
IC3
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
R
5
07
4.
7kJ
TP398
R
5
22
4.
7kJ
TP397
TP73
TP408
TP427
TP433
D82
1SS355
TP85
TP426
R
5
20
4.
7kJ
R129
100J
IC5
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
IC26
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
Q47
2SA2056
Q47
2SA2056
R
5
21
4.
7kJ
Q67
DTC1
IN
R
5
08
4.
7kJ
TP425
TP72
TP837
R
2
42
4.
7kJ
TP102
R481
47kJ
TP893
R
2
43
4.
7kJ
TP23
IC53
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
TP18
TP98
TP91
R
2
46
4.
7kJ
1
2
3
4
5
6
7
8
TP892
TP202
R
2
47
4.
7kJ
Q1
DTA143Z
2
1
3
TP66
TP84
R494
4.7kJ 1/4W
TP429
R131
100J
IC15
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
R5
1
9
4.
7kJ
TP415
R136
100J
TP883
TP424
D109
1SS355
D109
1SS355
TP81
TP842
R66
100J 1/2W
TP806
Q48
DTC143Z
IN
GND
OUT
R132
100J
TP109
R126
100J
A
B
C
4
3
2
1
PCU PWB (Driver section 2)
A
B
C
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