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 –  88
/CS0_FLS_S
D8
D9
D10
D11
D12
D13
D14
D15
D0
/HWR
/RESET0
/FLS_WP
D1
D2
D3
D4
D5
D6
D7
D10
D13
D14
D8
D6
D15
D4
D5
D9
D11
D7
D1
D0
D2
D12
D3
/RD
BYTE
/CS0_FLS_B
SOCKET_D
A9
A4
A14
A18
A19
A7
A8
A15
A2
A1
A3
A17
A16
A11
A10
A5
A6
A12
A20
A13
RY/BY
SOCKET_D
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
R477
10kJ
TP825
TP825
C229
0.1uF
C231
0.1uF
TP833
TP833
TP797
TP941
C246
0.1uF(NM)
TP803
TP803
TP801
TP801
TP812
TP812
CTOR
VSS1
1
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
VCC
10
VSS1
20
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
VSS
72
D15
35
D16
37
D17
38
VSS1
39
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
VPP
55
D24
56
D25
57
D26
58
D28
59
D27
60
VCC
61
D29
62
D30
63
D31
64
NC30
30
TP824
TP824
TP802
TP802
R533
10kJ(NM)
R533
10kJ(NM)
TP796
TP800
TP800
TP798
TP798
TP805
IC59
MX29LV160DBTI-70(NM)
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A9
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
A17
17
A18
16
A19
9
A20
10
D0
29
D1
31
D2
33
D3
35
D4
38
D5
40
D6
42
D7
44
D8
30
D9
32
D10
34
D11
36
D12
39
D13
41
D14
43
D15/A_1
45
CE
26
OE
28
WE
11
WP
14
BYTE
47
RY/BY
15
RP
12
GND
46
Vcc
37
Vccw
13
GND
27
TP900
TP900
TP810
TP810
C245
0.1uF(NM)
C224
0.1uF(NM)
C224
0.1uF(NM)
TP822
TP822
TP811
TP811
(G)
(D)
(S)
Q46
2SK3018(NM)
IC49
TC7W66(NM)
IC49
TC7W66(NM)
1A
1
1B
2
2C
3
GND
4
2A
5
2B
6
1C
7
VCC
8
R487
0J(NM)
R484
10kJ
TP809
TP809
TP814
TP814
TP799
TP799
TP793
TP823
TP823
TP804
TP804
TP930
C
D
E
4
3
2
1
2/19
C
D
E
MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  89
HL_US
HL_UM
HL_UA
PMC1CLK1
PMC1CLK2
HLCLK
CV_COLOR0
CV_STAPLE
CV_DUPLEX
DGS
PSPS
FRS
WEBM1A
WEBM1B
WEBM2A
WEBM2B
PNC
A0
A1
A2
A3
A4
A5
A6
A7
A8
A
9
D8
D
9
D1
0
D1
1
D1
2
D1
3
D1
4
D1
5
HL_UM#
HL_US#
HL_UA#
PMC1CLK4
PMC1CLK6
PMC1CLK9
PMC1CLK10
PMC1CLK11
TM2a
TM2b
(RRC)
PMC1CLK11
PMC1CLK10
PMC1CLK9
PMC1CLK6
PMC1CLK4
PMC1CLK2
PMC1CLK1
3.3V
DGS
<7>
THOPEN_LM
<14>
A[20:0]
<1,2,4,5>
D[15:0]
<1,2,4,5>
/ENG_RST
<1,4,5>
CV_COLOR0
<10>
CV_STAPLE
<10>
CV_DUPLEX
<10>
CPU_CLKout2
<1>
HL_UM
<1>
HL_US
<1>
HL_UA
<1>
HL_UA#
<11>
HL_UM#
<11>
HL_US#
<11>
FWS
<1,14,17>
THOPEN_UM
<14>
THOPEN_US
<14>
/TFSDin
<6>
CRUM_SCL#
<7>
/POM1CNT
<8>
/POM2CNT
<8>
/ADM1CNT
<8>
/ADM2CNT
<8>
/TRMCNT
<8>
/RRMCNT
<8>
/VPMCNT
<8>
CRUM_SDA
<11>
TM2a
<7>
TM2b
<7>
(DA_SCL)
<11>
(DA_SDA)
<11>
(RRC)
<10>
TURMout
<8>
TCBias
<11>
DL#
<11>
PSPS
<7>
(PTDL)
<8>
FRS
<7>
HLPR
<11>
WEBM1A
<7>
WEBM1B
<7>
WEBM2A
<7>
WEBM2B
<7>
PNC
<10>
FAX_LED
<11>
CFM-UP_PWM
<9>
CFM-R_PWM
<8>
CFM-DV_PWM
<8>
VFM-EX_PWM
<9>
CFM-UP4_PWM
<9>
VFM-BKU_PWM
<9>
VFM-BKR_PWM
<7>
CFM-DC_PWM
<8>
uPD65946GJ
TP524
R302
10kJ
TP382
TP423
TP712
TP523
TP509
TP534
TP435
TP467
TP960
TP727
TP459
TP96
TP453
TP672
TP476
TP213
TP441
TP438
TP491
TP461
TP522
R258
10kJ
TP698
TP609
TP248
TP487
TP517
TP226
TP619
R300
10kJ(NM)
TP405TP405
TP870
R278
10kJ
C136
100pF(NM)
TP207
TP460
TP422
TP480
TP436
R301
10kJ(NM)
PA
4
154
PA
5
155
PA
6
156
PA
7
157
PB0
158
PB1
15
9
A
9
32
A7
30
GND
33
D0
34
A8
31
D1
35
GND
184
D2
36
D3
37
D4
38
PD1
185
PD2
186
D5
3
9
GND
1
GND
2
AMC
3
SCK
4
SMC
5
SIN0
6
SO
T
0
7
XRST
8
CLK1
9
CLK2
10
CLK3
11
CLK4
12
CLK5
13
CLK6
14
CLK7
15
CLK8
16
GND
20
VDD
21
CLK
O
U
T
22
A0/SIN1
23
A1/SO
T
1
24
A2/SIN2
25
A3/SO
T
2
26
A4/SIN3
27
A5/SO
T
3
28
A6
2
9
VDD
40
GND
41
D6
42
D7
43
XCS
44
XRD
45
XWR
46
AC
K
0
47
BON0
48
XA
CW
0
4
9
GND
50
VDD
51
XBFULL0
52
AC
K
1
53
BON1
54
REQ0
127
REQ1
128
REQ2
12
9
GND
130
VDD
131
REQ3
132
REQ4
133
REQ5
134
REQ6
135
REQ7
136
REQ8
137
REQ
9
138
GND
13
9
VDD
140
REQ10
141
REQ11
142
REQ12
143
REQ13
144
REQ14
145
REQ15
146
REQL
147
REQU
148
PA
0
14
9
PA
1
150
PA
2
151
PA
3
152
GND
153
VDD
160
GND
161
PB2
162
PB3
163
PB4
164
PB5
165
PB6
166
PB7
167
PC0
168
PC1
16
9
GND
170
VDD
171
PC2
172
PC3
173
PC4
174
PC5
175
PC6
176
PC7
177
PD0
178
GND
17
9
GND
180
VDD
181
XTAL
182
EXTAL
183
PD3
187
PD4
188
PD5
189
PD6
190
PD7
191
PE0
192
GND
193
VDD
194
PE1
195
PE2
196
PE3
197
PE4
198
PE5
199
GND
200
VDD
201
PE6
202
PE7
203
PF0
204
PF1
205
PF2
206
PF3
207
PF4
208
PF5
209
PF6
210
GND
211
PF7
212
PWM0
213
PWM1
214
PWM2
215
PWM3
216
PWM4
217
PWM5
218
PWM6
219
VDD
220
GND
221
PWM7
222
PWM8
223
PWM9
224
PWM10
225
PWM11
226
PWM12
227
PWM13
228
PWM14
229
GND
230
PWM15
231
HLCLK
232
FWSIN
233
HLON0
234
HLON1
235
HLON2
236
HLOUT0
237
HLOUT1
238
HLOUT2
239
VDD
240
CLK
9
17
CLK10
18
CLK11
1
9
TP490
TP46
9
R268
10kJ
TP518
TP442
TP234
TP884
TP510
TP214
TP468
R299
10kJ(NM)
TP957
TP450
TP454
TP848
TP448
TP863
R263
10kJ
TP904
TP511
TP440
TP718
TP406TP406
TP859
TP493
TP443
TP952
TP478
TP432
TP494
TP576
TP449
TP249
R269
10kJ
A
B
C
4
3
2
1
PCU PWB (PMC1 section)
A
B
C
MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  90
RRMXA#
RRMB#
RRMXB#
HL_UA
HL_US
HL_UM
HL_UA#
HL_US#
RRMA#
HL_UM#
TRMA#
TRMB#
TRMXA#
TRMXB#
RRMB#
RRMA#
TRMXB#
TRMXA#
TRMB#
TRMA#
HLCLK
TM1a
TM1b
TM1b
TM1a
CV_COLOR0
CV_STAPLE
CV_DUPLEX
(RRC)
FRS
PSPS
TM2a
TM2b
DGS
PNC
WEBM2B
WEBM1A
WEBM1B
WEBM2A
RRMXA#
RRMXB#
3.3V
3.3V_PMC1
3.3V_PMC1
/HWR
<1,2,4,5>
/RD
<1,2,4,5>
/CS7_PMC1
<1>
TRMA#
<6>
TRMB#
<6>
TRMXA#
<6>
TRMXB#
<6>
/CFM-R1LD
<9>
/CFM-R2LD
<9>
/CFM-R3LD
<9>
RRMA#
<6>
RRMB#
<6>
RRMXA#
<6>
RRMXB#
<6>
/CFM-UP1LD
<9>
/CFM-UP2LD
<9>
/CFM-UP3LD
<9>
/CFM-UP4LD
<9>
/VFM-EX1LD <9>
/VFM-EX2LD <9>
/VFM-EX3LD <9>
/VFM-BKLLD <9>
/VFM-BKULD
<9>
/VFM-BKRLD
<9>
/CFM-DVLD
<9>
reserve2_in##
<6>
/APPD1in
<6>
/APPD2in
<6>
/THPS2in
<6>
/DSW-ADUin
<6>
/PFD2in
<6>
/AINPDin
<6>
(/THPS1in)
<6>
/WEBEND1in
<6>
/WEBEND2in
<6>
/CV_COPYin
<6>
/CV_CLCOPYin
<6>
/FUMCLK
<7>
(/POEDin)
<6>
/DVMCLK
<7>
/DMCLK
<7>
CFM-R_V#
<8>
CFM-UP_V# <9>
CFM-UP4_V# <9>
VFM-EX3KL_V# <9>
VFM-BKU_V# <9>
CFM-UP2_V# <8>
VFM-BKR_V# <7>
CFM-DV_V# <8>
DM_D
<7>
DVM_D
<7>
FUM_D
<7>
DSR_DBG
<7>
TM1a
<7>
TM1b
<7>
FUM_LD#
<12>
DM_LD#
<12>
DVM_LD#
<12>
DSW-Lin
<13>
DSW-Fin
<13>
/POD1in
<13>
/POD2in
<13>
/POD3in
<13>
/TLSin
<12>
/DTR_DBGin <7>
VFM-EX12_V# <9>
PCS_LEDSW
<8>
C1
2
4
0
.1
u
F
TP325
TP912
TP309
TP795
C1
1
0
0
.1
u
F
TP561
TP313
TP339
C1
0
3
0
.1
u
F
TP867
TP486
TP366
TP516
BR44
10kJ x4
1
2
3
4
8
7
6
5
BR39
10kJ x4
1
2
3
4
8
7
6
5
TP326
TP978
TP993
C1
3
0
0
.1
u
F
TP571
TP329
TP955
BR43
10kJ x4
1
2
3
4
8
7
6
5
TP324
TP149
TP971
TP338
TP312
TP965
TP562
C1
1
5
0
.1
u
F
BR40
10kJ x4
1
2
3
4
8
7
6
5
TP399
BR25
10kJ x4
1
2
3
4
8
7
6
5
TP330
TP353
TP403
TP167
TP343
TP383
TP383
BR32
10kJ x4
1
2
3
4
8
7
6
5
TP790
TP982
TP365
TP932
TP492
C1
0
2
0
.1
u
F
TP311
TP966
TP552
TP781
TP678
BR42
10kJ x4
1
2
3
4
8
7
6
5
TP776
TP377
TP344
TP318
TP977
TP178
TP410
TP577
TP319
TP364
C1
2
6
0
.1
u
F
TP341
TP342
TP336
R210
10kJ
TP337
TP545
TP961
TP372
TP782
TP323
IC25
GND
90
VDD
91
XBFULL8
92
ACK9
93
XBFULL10
102
BON9
94
XACW9
95
ACK11
103
XBFULL9
96
ACK10
97
BON11
104
XACW11
105
XBFULL11
106
AC
K
1
53
BON1
54
XA
CW
1
55
XBFULL1
56
AC
K
2
57
BON2
58
GND
5
9
GND
60
VDD
61
XACW2
62
XBFULL2
63
ACK3
64
BON3
65
XACW3
66
XBFULL3
67
ACK4
68
BON4
69
XACW4
70
GND
71
XBFULL4
72
ACK5
73
BON5
74
XACW5
75
XBFULL5
76
ACK6
77
BON6
78
XACW6
79
GND
80
VDD
81
XBFULL6
82
ACK7
83
BON7
84
XACW7
85
XBFULL7
86
ACK8
87
BON8
88
XACW8
89
BON10
98
XACW10
99
VDD
100
GND
101
ACK12
107
BON12
108
XACW12
109
XBFULL12
110
GND
111
ACK13
112
BON13
113
XACW13
114
XBFULL13
115
ACK14
116
BON14
117
XACW14
118
XBFULL14
119
VDD
120
GND
121
GND
122
AC
K
1
5
123
BON15
124
XA
CW1
5
125
XBFULL15
126
REQ0
127
REQ1
128
TP357
TP766
TP696
R199
10kJ
C1
0
1
0
.1
u
F
TP69
TP310
TP303
TP404
TP157
TP314
C1
0
9
0.
1uF
TP786
TP340
TP356
TP899
TP421
TP76
BR24
10kJ x4
1
2
3
4
8
7
6
5
TP328
TP497
TP355
TP991
TP750
BR26
10kJ x4
1
2
3
4
8
7
6
5
TP347
TP564
+
C
1
63
47u/
16V
+
BR27
10kJ x4
1
2
3
4
8
7
6
5
TP970
TP551
TP327
TP412
TP495
TP358
TP546
TP770
BR41
10kJ x4
1
2
3
4
8
7
6
5
TP752
TP575
TP62
BR23
10kJ x4
1
2
3
4
8
7
6
5
C1
1
4
0
.1
u
F
TP393
TP393
TP63
TP980
TP354
TP301
C1
0
0
0
.1
u
F
C
D
E
4
3
2
1
3/19
C
D
E
MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  91
PMC2CLK4
PMC2CLK6
PMC2CLK3
PMC2CLK1
M1PUS
M2PUS
(TNCRU_T)
DSKPFC1
DSKPFC2
(VPFC2)
PMC2CLK2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A
9
D8
D
9
D1
0
D1
1
D1
2
D1
3
D1
4
D1
5
PMC2CLK1
PMC2CLK2
PMC2CLK3
PMC2CLK4
PMC2CLK6
PMC2CLK10
PMC2CLK11
M1PFC
T1PFC
M2PFC
(VPFC2)
PMC2CLK11
PMC2CLK10
/M1PFDin
<12>
A[20:0]
<1,2,3,5>
D[15:0]
<1,2,3,5>
/ENG_RST
<1,3,5>
reserve2_out
<8>
CPU_CLKout3
<1>
/M2PEDin
<13>
/M2LUDin
<13>
/M2PFDin
<12>
MM_LD#
<12>
/DSW-DSKin
<13>
/TANSETin
<13>
/MPFD2in
<12>
/LPPDin
<12>
reserve4_in#
<12>
/TNFSin
<6>
(/TNCRUin)
<6>
T1LUMout
<8>
T2LUMout
<8>
M1PUS
<7>
M2PUS
<7>
(TNCRU_T)
<7>
DSKPFC1
<10>
DSKPFC2
<10>
MM_D
<7>
M1LUMout
<8>
M2LUMout
<8>
M1PFC
<10>
T1PFC
<10>
M2PFC
<10>
/RES_FIN
<7>
DTR_FIN
<7>
TRC_LCC
<7>
/RES_LCC
<7>
DTR_LCC
<7>
(VPFC2)
<10>
reserve3_out
<7>
CHV-PWM
<8>
TCBPWM
<8>
uPD65946GJ
TP385
TP211
BR29
10kJ x4
1
2
3
4
8
7
6
5
R213
10kJ
TP381
TP437
TP351
TP152
TP152
TP414
TP320
TP345
R239
10kJ
R239
10kJ
TP407
TP92
TP379
R218
10kJ
TP151
TP151
TP173
TP361
TP304
TP305
TP369
TP363
TP334
TP417
TP139
TP139
TP401
TP386
TP232
TP390
R212
10kJ
TP112
TP246
TP154
TP128
TP128
R207
10kJ
TP368
TP332
TP359
TP359
TP367
TP367
TP428
R225
10kJ
TP335
TP375
TP331
TP331
R240
10kJ
TP2
9
8
TP86
TP389
TP129
TP129
TP409
TP409
TP394
TP378
TP378
C107
100pF(NM)
TP362
BR28
10kJ x4
1
2
3
4
8
7
6
5
TP348
TP387
TP333
TP104
TP380
TP135
TP135
TP116
PA
4
154
PA
5
155
PA
6
156
PA
7
157
PB0
158
PB1
15
9
A
9
32
A7
30
GND
33
D0
34
A8
31
D1
35
GND
184
D2
36
D3
37
D4
38
PD1
185
PD2
186
D5
3
9
GND
1
GND
2
AMC
3
SCK
4
SMC
5
SIN0
6
SO
T
0
7
XRST
8
CLK1
9
CLK2
10
CLK3
11
CLK4
12
CLK5
13
CLK6
14
CLK7
15
CLK8
16
GND
20
VDD
21
CLK
O
U
T
22
A0/SIN1
23
A1/SO
T
1
24
A2/SIN2
25
A3/SO
T
2
26
A4/SIN3
27
A5/SO
T
3
28
A6
2
9
VDD
40
GND
41
D6
42
D7
43
XCS
44
XRD
45
XWR
46
AC
K
0
47
BON0
48
XA
CW
0
4
9
GND
50
VDD
51
XBFULL0
52
REQ2
12
9
GND
130
VDD
131
REQ3
132
REQ4
133
REQ5
134
REQ6
135
REQ7
136
REQ8
137
REQ
9
138
GND
13
9
VDD
140
REQ10
141
REQ11
142
REQ12
143
REQ13
144
REQ14
145
REQ15
146
REQL
147
REQU
148
PA
0
14
9
PA
1
150
PA
2
151
PA
3
152
GND
153
VDD
160
GND
161
PB2
162
PB3
163
PB4
164
PB5
165
PB6
166
PB7
167
PC0
168
PC1
16
9
GND
170
VDD
171
PC2
172
PC3
173
PC4
174
PC5
175
PC6
176
PC7
177
PD0
178
GND
17
9
GND
180
VDD
181
XTAL
182
EXTAL
183
PD3
187
PD4
188
PD5
189
PD6
190
PD7
191
PE0
192
GND
193
VDD
194
PE1
195
PE2
196
PE3
197
PE4
198
PE5
199
GND
200
VDD
201
PE6
202
PE7
203
PF0
204
PF1
205
PF2
206
PF3
207
PF4
208
PF5
209
PF6
210
GND
211
PF7
212
PWM0
213
PWM1
214
PWM2
215
PWM3
216
PWM4
217
PWM5
218
PWM6
219
VDD
220
GND
221
PWM7
222
PWM8
223
PWM9
224
PWM10
225
PWM11
226
PWM12
227
PWM13
228
PWM14
229
GND
230
PWM15
231
HLCLK
232
FWSIN
233
HLON0
234
HLON1
235
HLON2
236
HLOUT0
237
HLOUT1
238
HLOUT2
239
VDD
240
CLK
9
17
CLK10
18
CLK11
1
9
TP396
TP349
TP413
TP87
TP388
TP360
TP360
TP395
TP125
TP125
TP370
TP181
TP400
TP346
TP121
TP121
TP373
TP384
TP350
A
B
C
4
3
2
1
PCU PWB (PMC2 section)
A
B
C
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