Sharp MX-M550U / MX-M620U (serv.man2) Service Manual ▷ View online
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 34
CPURST_
PCIREQ1
PCIREQ2
PCIREQ0
PCIRST
PCIREQ5
PCIREQ3
PDEVSEL0
4,15,16,25,27
PLOCK0
4
PIRDY0
4,15,16,25,27
PCIREQ[7:0]
4,9,15,16,25,27,28
CPURST
1,2,9,10,16,20,23,25
PSERR0
4,15,16,25,27
PCIGNT7
9
CPURST_
15,27
PCURST
10,22
CPURST
1,2,9,10,16,20,23,25
3.3V
R1070
10K
R405
0
NO ASM
R406
0
C985
1000pF
C984
1000pF
R16
10K
R167
10K
R168
10K
R165
10K
ICT1027
ICT1818
IC26D
74LCX08MTC
12
13
11
+
C966
47uF/16V
ICT1033
3
3
2
2
1
1
D
C
B
A
18/30
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 35
CDADQ14
CDADQ10
CDADQ12
CDADQ6
CDADQ15
CDADQ0
CDADQ5
CDADQ2
CDADQ6
CDADQ0
CDADQ2
CDADQ7
CDADQ5
CDADQ9
CDADQ14
CDADQ4
CDADQ12
CDADQ10
CDADQ3
CDADQ3
CDADQ8
CDADQ1
CDADQ4
CDADQ9
CDADQ11
CDADQ11
CDADQ8
CDADQ1
CDADQ7
CDADQ13
CDADQ13
CDADQ15
CLKOFF
9
CLKOFF
9
CDADQ[15:0]
16
SCLKI
16
PM22_CLK
20
NPOR
9
CDADQ[15:0]
16
PM22_CLK
20
3.3V
3.3
3.3V
3.3V
3.3V
3.3V
3.3V
VCC
3.3V
3.3V
3.3V
3.3V
3.3V
ICT1731
C949
0.01uF
NO ASM
R1020
0
R1115
0 NO ASM
L725
BLM11A151SG
BR32
10kΩ
1
2
3
4
5
6
7
8
BR27
10kΩ
1
2
3
4
5
6
7
8
R1026
10K
NO ASM
BR31
10kΩ
1
2
3
4
5
6
7
8
ICT1943
C93
0.1uF
BR30
10kΩ
1
2
3
4
5
6
7
8
L724
BLM
10
B
121
SBPT
M
1
2
ICT2022
ICT1734
X5
SG_8002JC 64.0M
1
2
3
4
CONT
GND OUT
VDD
ICT1735
ICT487
ICT1828
R92
33
C948
1000PF
NO ASM
R99
33
NO ASM
ICT
488
R1117
0 NO ASM
X1
SG_8002JC 66.0M
1
2
3
4
CONT
GND OUT
VDD
L730
BLM
10
B
121
SBPT
M
NO
ASM
1
2
ICT1732
IC750
CY25812SC
NO ASM
1
2
3
4
5
6
7
8
XIN
VSS
S1
S0
SSCLK
FRSEL
VDD
XOUT
ICT1733
R1109
0 NO ASM
ICT510
C970
22pF
NO ASM
ICT1945
ICT2025
ICT2021
ICT2020
R1027
0
NO ASM
C946
0.01uF
NO ASM
R1024
22
NO ASM
C947
0.1uF
NO ASM
C945
1000PF
NO ASM
C9
0.1uF
R1111
0 NO ASM
R1118
0 NO ASM
ICT1944
ICT508
C950
0.1uF
NO ASM
R1116
0 NO ASM
R1108
0 NO ASM
R1110
0 NO ASM
+
C848
22uF/16V
R1022
22
ICT1688
ICT2024
R1112
0 NO ASM
R1113
0 NO ASM
R1119
0 NO ASM
R1019
0
ICT
2180
ICT1979
R1018
0
NO ASM
ICT1978
IC751
CY25812SC
NO ASM
1
2
3
4
5
6
7
8
XIN
VSS
S1
S0
SSCLK
FRSEL
VDD
XOUT
C968
22pF
NO ASM
C991
1000pF
ICT2023
R1114
0 NO ASM
ICT1803
ICT2183
C850
0.01uF
C849
0.1uF
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (PM-22A) (MX-M550N/M550U/M550)
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 36
CDBDQ0
CDBDQ9
CDBDQ5
CDBDQ11
CDBDQ7
CDBDQ3
CDBDQ4
CDBDQ2
CDBDQ15
CDBDQ10
CDBDQ12
CDBDQ13
CDBDQ14
CDBDQ1
CDBDQ8
CDBDQ6
CDADQ
2
CDADQ
0
CDADQ
4
CDADQ15
CDADQ
11
CDADQ
3
CDADQ
9
CDADQ8
CDADQ
1
CDADQ12
CDADQ7
CDADQ
8
CDADQ9
CDADQ
15
CDADQ5
CDADQ
6
CDADQ13
CDADQ0
CDADQ
5
CDADQ2
CDADQ10
CDADQ3
CDADQ6
CDADQ
13
CDADQ
7
CDADQ11
CDADQ
10
CDADQ4
CDADQ
12
CDADQ1
CDADQ14
CDADQ
14
CDBDQ[15:0]
16,20
XIOWR
16,20
XCDCSA
16
XODACKA
16
CDADQ[15:0]
16
CDID
16,20
XOBACKA
16
XIORD
16,20
XIDACKA
16
ODREQA
16,17
CDADQ[15:0]
16
XIBACKA
16
PMDONEA
16
PMINTA
16
IDREQA
16,17
3.3V
3.3V
3.3V
3.3V
3.3V
VCC
ICT
1698
C854
0.1uF
ICT
1697
R1025
4.7K
C853
0.01uF
ICT
1696
C852
0.1uF
ICT
1695
C851
0.01uF
ICT
1702
+
C855
22uF/16V
ICT1726
ICT
1706
ICT1725
ICT
1703
ICT
1691
C844
0.01uF
ICT1724
ICT
1701
R1021
0
NO ASM
C845
0.1uF
ICT1723
ICT
1705
R1028
4.7K
C846
0.01uF
ICT1722
ICT
1704
C847
0.1uF
ICT
1700
ICT
1699
ICT
1710
ICT
1714
ICT
1709
ICT
1713
ICT
1708
ICT
1711
ICT
1712
ICT
1707
ICT
1718
ICT
1715
ICT1939
ICT
1717
ICT1940
ICT
1716
ICT
1720
ICT
1719
ICT1941
ICT1728
ICT1727
ICT1935
ICT1729
ICT1942
ICT1934
ICT
1946
BR1
10kΩ
1
2
3
4
5
6
7
8
BR14
10kΩ
1
2
3
4
5
6
7
8
BR5
10kΩ
1
2
3
4
5
6
7
8
IC721
PM-22
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
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
RA
15
RA
14
RA
13
RA
12
RA
11
RA
10
RA
9
RA
8
GN
D
VD
D
GN
D
VD
D
RA
7
RA
6
RA
5
RA
4
RA
3
RA
2
RA
1
RA
0
GN
D
VD
D
RE
1
RE
0
RAMWR RAMO
E
RD
7
RD
6
RD
5
RD
4
GN
D
VD
D
GN
D
VD
D
RD
3
RD
2
RD
1
RD
0
ALD
0
ALD
1
ALD2
ALD3
ALD4
ALD5
ALD6
ALD7
GND
VDD
GND
VDD
OD0
OD1
OD2
OD3
OD4
OD5
OD6
OD7
GND
VDD
GND
VDD
OD8
OD9
OD10
OD11
OD12
OD13
OD14
OD15
GND
VDD
GND
VDD
OFRDY
OSTRB
ODACK
ODREQ
LSYNC
OBACK
VDDBIA
S
CD
15
CD
14
CD
13
CD
12
CD
11
CD
10
CD
9
CD
8
GN
D
VD
D
GN
D
VD
D
GN
D
VD
D
CD
7
CD
6
CD
5
CD
4
CD
3
CD
2
CD
1
CD
0
GN
D
VD
D
GN
D
VD
D
GN
D
VD
D
RD
WR
I/D
CS
DONE
INT
IBAC
K
IDRE
Q
IDACK
IFRDY
NC
NC
ISTRB
IN_OVR
RESET
GND
VDD
GND
VDD
PLL_BYP
CLK_OUT
A_GND
A_VDD
VDD
VDD
GND
CLOCK
GND
VDD
TESTOUT
TESTIN
ID15
ID14
ID13
ID12
ID11
ID10
ID9
ID8
GND
VDD
GND
VDD
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
BR4
10kΩ
1
2
3
4
5
6
7
8
ICT1730
ICT1721
ICT
1692
R1023
0
ICT
1694
ICT1936
ICT
1693
3
3
2
2
1
1
D
C
B
A
19/30
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 37
CDBDQ
5
PLSD
2
PLSD4
CDBDQ3
PLSD3
RETPMA
0
CDBDQ12
ODATA3
CDBDQ2
CDBDQ15
PLSD1
PLSD
1
CDBDQ
0
ODATA7
CDBDQ11
PLSD
0
CDBDQ14
ODATA2
RETPMD2
CDBDQ
1
RETPMD0
CDBDQ10
RETPMD
5
ODATA1
RETPMD1
CDBDQ
14
PLSD
4
PLSD2
CDBDQ
2
RETPMD
7
CDBDQ
6
CDBDQ5
RETPMD
4
ODATA6
CDBDQ
8
CDBDQ
15
RETPMD
6
CDBDQ
3
CDBDQ
7
CDBDQ4
CDBDQ7
CDBDQ1
RETPMD
3
ODATA5
CDBDQ
9
CDBDQ
12
CDBDQ
10
ODATA0
CDBDQ6
CDBDQ0
PLSD
3
CDBDQ
13
CDBDQ
11
CDBDQ9
CDBDQ
4
PLSD
0
ODATA4
CDBDQ8
RETPMA
1
CDBDQ13
XIORD
16,19
BD
17
VDOUTB
17
PM1075_RST
9
PM1075_LSYNC
16
PMDONEB
16
XIOWR
16,19
IDREQB
16,17
PMINTB
16
PM22B_RST
9
RETPMA[1:0]
16
CDID
16,19
FSYNC
16,17
PM1075_CLK
PM1075_PDEN
CDBDQ
ODATA[7:0]
16,17
XCDCSB
16
XIOWR
16,19
XIDACKB
16
XIORD
16,19
XIBACKB
16
PM22_CLK
19
PLSD[4:0]
CDBDQ[15:0]
16,19
XRETPMCS
16
RETPMD[7:0]
16
3.3V
3.3V 3.3V
VCC
3.3V
3.3V
3.3V
VC
3.3
3.3V
3.3V
3.3V
3.3V
C877
0.1uF
ICT2063
ICT
1957
ICT
1746
R1191
0
C994
100pF
NO ASM
ICT2003
R103
0
ICT2002
C879
0.01uF
R1194
0
ICT2007
C865
0.01uF
R
1182
4.
7K
C997
1000pF
+
R1162
220
NO ASM
ICT1777
R1183
0
NO ASM
C864
0.01uF
IC723
PM-22
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
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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
RA
15
RA
14
RA
13
RA
12
RA
11
RA
10
RA
9
RA
8
GN
D
VD
D
GN
D
VD
D
RA
7
RA
6
RA
5
RA
4
RA
3
RA
2
RA
1
RA
0
GN
D
VD
D
RE
1
RE
0
RAMWR RAMO
E
RD
7
RD
6
RD
5
RD
4
GN
D
VD
D
GN
D
VD
D
RD
3
RD
2
RD
1
RD
0
ALD
0
ALD
1
ALD2
ALD3
ALD4
ALD5
ALD6
ALD7
GND
VDD
GND
VDD
OD0
OD1
OD2
OD3
OD4
OD5
OD6
OD7
GND
VDD
GND
VDD
OD8
OD9
OD10
OD11
OD12
OD13
OD14
OD15
GND
VDD
GND
VDD
OFRDY
OSTRB
ODACK
ODREQ
LSYNC
OBACK
VDDBIA
S
CD
15
CD
14
CD
13
CD
12
CD
11
CD
10
CD
9
CD
8
GN
D
VD
D
GN
D
VD
D
GN
D
VD
D
CD
7
CD
6
CD
5
CD
4
CD
3
CD
2
CD
1
CD
0
GN
D
VD
D
GN
D
VD
D
GN
D
VD
D
RD
WR
I/D
CS
DONE
INT
IBAC
K
IDRE
Q
IDACK
IFRDY
NC
NC
ISTRB
IN_OVR
RESET
GND
VDD
GND
VDD
PLL_BYP
CLK_OUT
A_GND
A_VDD
VDD
VDD
GND
CLOCK
GND
VDD
TESTOUT
TESTIN
ID15
ID14
ID13
ID12
ID11
ID10
ID9
ID8
GND
VDD
GND
VDD
ID7
ID6
ID5
ID4
ID3
ID2
ID1
ID0
R1189
0
ICT1950
ICT1997
R1195
0
C882
0.1uF
R1190
0
+
C885
22uF/
ICT1819
C884
0.1uF
C883
0.01uF
L729
BLM11A151SG
ICT
1759
R1034
0
NO ASM
R
1181
4.
7K
R1187
0
NO ASM
IC725
PM2060i
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
45
46
47
48
49
50
51
52
PD
6
PD
5
PD
4
PD
3
VD
D
VD
D
PD
2
VSS VSS PD
1
PD
0
CS EOP
FSYNC
TEST
TEST
TEST
VDD
VDDBIAS
VSS
RESET
CPUD0
VSSLP
VDDLP
CPUD1
CPUD2
CPUD
3
CPUD
4
CPUD
5
CPUD
6
VD
D
VD
D
BD
VSS
VSS
VIDEO
CPUD
7
ADDRESS
0
ADDRESS
1
RD
WR
LSYNC
PD11
PDEN
VDD
PD10
VSS
VSS
CLK
PD9
PD8
PD7
ICT
1741
R1032
4.7K
R1056
4.7K
ICT
1756
R1197
0
NO ASM
R1192
0
ICT
2086
C881
0.01uF
ICT1962
ICT
1745
R1184
0
R1033
10K
NO ASM
ICT
1749
R1196
0
ICT
1755
ICT
1753
ICT
1758
ICT
2089
ICT
1757
ICT
1766
ICT1778
ICT
1761
ICT1779
ICT
1767
ICT
2087
+
C862
22uF/16V
ICT
1748
C875
0.1uF
ICT1780
ICT
1762
ICT
1760
R
1179
4.
7K
ICT1781
ICT
1763
ICT2004
ICT
1742
ICT1782
ICT
1764
ICT2090
ICT
1740
ICT
1765
ICT
1754
R1188
0
NO ASM
ICT
2088
ICT
1744
R1058
0
NO ASM
R1193
0
ICT1955
ICT
1743
R1163
47
NO ASM
ICT1951
C874
0.01uF
C1010
0.1uF
ICT
1752
R
1060
56
NO
ASM
R1030
0
NO ASM
R1061
56
NO ASM
ICT
1747
C992
1000pF
C863
0.1uF
ICT
1949
ICT
1739
R
1180
4.
7K
ICT1953
ICT1952
L728
BLM11A151SG
R1186
0
NO ASM
ICT
1750
ICT1954
C880
0.1uF
ICT1687
ICT
1751
R1029
0
C876
0.01uF
ICT
1738
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (PM-22B/PM-1075) (MX-M550N/M550U/M550)
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