Sharp MX-M550U / MX-M620U (serv.man2) Service Manual ▷ View online
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 94
OUTPT
CDBDQ7
PLSD0
CDBDQ0
RETPMD
13
CDBDQ9
ODATA5
CDBDQ6
RETPMD
12
CDBDQ8
ODATA4
CDBDQ13
CDBDQ5
CDBDQ11
CDBDQ3
CDBDQ12
PLSD1
CDBDQ4
ODATA
2
CDBDQ10
CDBDQ2
ODATA
3
PLSD3
RETPMD
15
CDBDQ15
RETPMD
14
PLSD2
ODATA6
CDBDQ14
ODATA0
ODATA7
PLSD4
CDBDQ1
ODATA1
RETCLK
16
PM1075_CLK
ODATA[7:0]
16,17
XIORD
16,19
XIOWR
16,19
RETPMD[15:12] 16
CPURST
1,2,9,10,16,18,23,25
AA_TDOI
30
XODACKB
16
PLSD[4:0]
PM1075_CLK
FSYNC
16,17
DBDQ[15:0]
16,19
A_TDI
23,30
A_TCK
23,30
A_TMS
23,30
CDBDQ[15:0]
16,19
PM1075_LSYNC
16
PM1075_PDEN
ODREQB
16,17
XOBACKB
16
3.3V
3.3V
3.3V
VCC
3.3V
3.3V
VCC
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
R1053
0
NO ASM
X2
SG_8002JC 60.4039M
1
2
3
4
OE
GND
CLK
VDD
R309
22
NO ASM
C993
22pF
NO ASM
ICT1984
C957
100pF
NO ASM
C958
100pF
NO ASM
C873
0.1uF
NO ASM
R1031
ICT1998
C954
100pF
NO ASM
C955
100pF
NO ASM
R1057
0
NO ASM
C76
0.1uF
C872
0.1uF
NO ASM
C871
0.1uF
NO ASM
ICT1775
ICT1774
ICT1776
F
R1165
47
NO ASM
+ C870
22uF/16V
NO ASM
R1127
33
NO ASM
IC724
EPM3064A
NO ASM
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20 21 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
TDI
I/O
I/O
GND
I/O
I/O
TMS
I/O
VCC
I/O
GND
I/O I/O I/O I/O GN
D
VC
C
I/O I/O I/O I/O I/O
I/O
GND
I/O
TCK
I/O
I/O
VCC
GND
I/O
TDO
I/O
I/O
I/O
GN
D
CLK
1
OE
GCLR
CLK
2
VC
C
I/O
I/O
I/O
+ C878
22uF/16V
ICT1986
R1164
220
NO ASM
ICT1983
C859
0.1uF
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
ICT1649
C856
0.01uF
C885
22uF/16V
C996
1000pF
NO ASM
ICT2071
X4
SG_8002JC 64.912M
NO ASM
1
2
3
4
OE
GND
CLK
VDD
ICT1987
ICT500
C858
0.01uF
R1125
33
NO ASM
4
R1126
33
NO ASM
ICT2074
C52
0.1uF
ICT1947
ICT499
ICT2034
ICT2031
ICT1948
C867
0.01uF
+ C869
22uF/16V
ICT1985
R1166
33
NO ASM
C866
0.1uF
ICT2033
C995
100pF
NO ASM
C868
0.1uF
ICT2032
C956
100pF
NO ASM
R1128
33
NO ASM
JP19
VIDCLK
1
2
ICT1773
R1185
33
R1129
33
NO ASM
ICT1771
R308
22
ICT1770
ICT2035
C857
0.1uF
ICT1772
ICT1769
ICT1768
R1052
4.7K NO ASM
3
3
2
2
1
1
D
C
B
A
20/30
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 95
33CLK
75CLK
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
ICT595
R70
10K
ICT2184
ICT2182
X700
SG_8002JC 74.9M
74.9MHz
1
2
3
4
OE
GND
CLK
VDD
R787
47
ICT2083
C730
0.1uF
R1174
10K
ICT2082
ICT38
C731
0.1uF
NO ASM
ICT2060
L713
BLM10B121SBPTM
NO ASM
1
2
ICT605
C279
0.1uF
ICT16
ICT579
L750
BLM10B121SBPTM
1
2
L2
BLM10B121SBPTM
1
2
L749
BLM10B121SBPTM
1
2
C278
0.1uF
ICT292
C153
0.1uF
C55
0.1uF
ICT596
X3
SG_8002JC 33.333M
33.333 MHz
1
2
3
4
OE
GND
CLK
VDD
ICT574
L3
BLM10B121SBPTM
1
2
R55
47
C45
0.1uF
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (CLOCK) (MX-M620N/M620U/M620)
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 96
MEMCLK0
6
PCLK_O2
18
PCLK_J2
23
ASICCLK
9
PCLK_O1
25
MEMCLK2
6
CPUCLK
1,23
MEMCLK3
6
MEMCLK1
6
DRCLK
2
MEMCLK4
6
FWE
9
PCLK_H
18
FWE0
7
FPGACLK
10
ASIC2CLK
10
PCLK_A
9
PCLK_U
27
PCLK_I
16
PCLK_D
4
PCLK_USBH
15
3.3V
3.3V
ICT598
C171
6pF
NO ASM
T595
ICT1029
ICT607
C304
22pF
NO ASM
C733
22pF
NO ASM
ICT1254
70
0K
ICT597
ICT582
ICT1030
ICT603
1174
0K
IC704
CY2305SC-1H
NO ASM
1
2
3
4
5
6
7
8
REF
CLK2
CLK1
GND
CLK3
VDD
CLK4
CLKOUT
R66
47
ICT925
ICT1031
ICT764
IC29
CY2309SC-1HT
1
3
4
5
6
7
8
16
15
14
2
13
12
11
10
9
REF
CLKA2
VDD
GND
CLKB1
CLKB2
S2
CLKOUT
CLKA4
CLKA3
CLKA1
VDD
GND
CLKB4
CLKB3
S1
IC9
CY2309SC-1HT
1
3
4
5
6
7
8
16
15
14
2
13
12
11
10
9
REF
CLKA2
VDD
GND
CLKB1
CLKB2
S2
CLKOUT
CLKA4
CLKA3
CLKA1
VDD
GND
CLKB4
CLKB3
S1
ICT606
C373
22pF
NO ASM
C56
0.1uF
ICT765
ICT394
C369
22pF
NO ASM
T2060
C368
22pF
NO ASM
R788
47
ICT1032
ICT41
R52
33
C61
22pF
ICT1871
ICT2055
ICT42
ICT766
ICT575
C372
22pF
NO ASM
R56
47
ICT767
ICT225
R69
33
C370
22pF
NO ASM
C732
6pF
NO ASM
R68
33
R174
33
ICT1449
R58
47
ICT600
C371
22pF
NO ASM
ICT1450
ICT2081
ICT770
ICT580
ICT1451
R188
47
C305
22pF
NO ASM
ICT608
R48
33
ICT2026
R67
33
ICT602
S
C1
1D
R
IC10
74LCX74MTC
4
3
2
1
10
11
12
13
5
6
9
8
R187
33
R71
4.7K
ICT989
R832
33
NO ASM
R47
33
R175
33
ICT601
ICT990
R173
33
C836
6pF
NO ASM
R176
33
R190
47
ICT1028
C306
22pF
NO ASM
ICT604
R189
33
NO ASM
ICT464
C837
6pF
NO ASM
ICT581
3
3
2
2
1
1
D
C
B
A
21/30
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 97
SCNRST
10
RES_MFP_S
14
TDPOF
1,9
POF
14
RES_PCU
14
PCURST
10,18
EXTRSTB
11
+12VFAN
9
IORESET1
9
SFT_RST
10
SFT_RST_
SFT_RST_
CNCT_FAX
28
FAX_PWON
28
FAXRST
10
RES_FAX
28
RES_MFP_F
28
3.3V
VCC
VCC
VCC
VCC
VCC
VCC
VCC
3.3V
3.3V
3.3V
+12V
3.3
ICT1075
ICT2091
ICT407
R1219
0
ICT999
R222
0
NO ASM
ICT2092
ICT1347
ICT2094
ICT2062
IC43B
74LC
3
ICT1346
R
1218
4.
7K
NO
ASM
ICT998
R
223
2.
2K
ICT2095
R247
22
NO ASM
R865
0
NO ASM
ICT627
R1198
0
NO ASM
ICT1348
R
863
4.
7K
R
245
10
K
R
1203
1K
IC45
TD62503F
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
COM-E
NC
C204
0.1uF
R
218
2.
2K
NO
ASM
ICT
2093
R1217
0
C196
0.1uF
R
248
2.
2K
R
1216
4.
7K
R
227
4.
7K
R
228
4.
7K
ICT629
R1211
0
R1213
0
ICT496
R229
0
NO ASM
R
1167
56
K
NO ASM
R
864
4.
7K
ICT749
ICT494
ICT628
Q16
TPC610
1
2
3
D
D
G
R1176
100
R1209
0
NO ASM
R
249
10
K
R
246
10
K
R
1208
4.
7K
R
1202
4.
7K
ICT1689
IC44
TD62503F
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
IN1
IN2
IN3
IN4
IN5
IN6
IN7
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
COM-E
NC
R
221
4.
7K
R
1204
10
K
IC8D
74LCX14MTC
9
8
R219
0
NO ASM
IC8B
74LCX14MTC
3
4
ICT495
ICT1690
R866
22
NO ASM
C202
0.1uF
R
1210
4.
7K
IC46C
74LCX08MTC
9
10
8
ICT2085
SW1
B3SN-3012
NO ASM
1
2
3
4
R
1235
0
C1029
1000pF
R
237
10
K
R482
0
R1212
0
R
1214
0
NO
ASM
R1178
ICT997
R
1215
0
NO
ASM
IC747D
74LCX32MTC
12
13
11
IC46D
74LCX08MTC
12
13
11
C200
1000pF
ICT1383
ICT1110
IC64F
74LCX14MTC
13
12
C203
1000pF
ICT1797
ICT1111
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (RESET / POWER) (MX-M620N/M620U/M620)
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