MX-M550U, MX-M620U (serv.man2). Circuit Diagram - Sharp Copying Equipment Service Manual (repair manual). Page 127

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MX-M550/M620/M700  CIRCUIT DIAGRAM / 回路図  4 - 108
XVDD
NEAR IC703
PCBE01
PCIAD
20
PCBE
00
PCIAD
29
PCIAD
28
PCIAD
2
PCIAD14
PCIAD12
PCIAD
27
PCIAD13
PCIAD
21
PCIAD
22
PCIAD
6
PCIAD
18
PCIAD
30
PCIAD
26
PCIAD
3
PCIAD
23
PCIAD
8
PCIAD15
PCIAD
1
PCIAD16
PCIAD
5
PCIAD
7
PCIAD
9
PCIAD10
PCIREQ6
PCBE
02
PCIAD
24
PCIAD
19
PCIAD
17
USB_SERR
PCIAD
4
PCIAD
0
PCIAD11
PCIAD
25
XVSS
XVDD
USB_REQ
PAR
4,15,16,18,25
PCIAD[31:0]
4,15,16,18,25
PSERR0
4,15,16,18,25
PCBE0[3:0]
4,15,16,18,25
CPURST_
15,18
PCIAD17
4,15,16,18,25
PPERR0
4,15,16,18,25
PCIGNT6
9
PFRAME0
4,9,15,16,18,25
PCLK_U
21
PCIREQ[7:0]
4,9,15,16,18,25,28
3.3V
3.3V
3.3V
3.3V
ICT
164
+
C714
10uF/16V
+
C711
10uF/16V
ICT
163
+
C713
10uF/16V
C715
0.1uF
+
C712
10uF/16V
IC703
MRUP01
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
AD
31
AD
30
AD
29
VSS AD
28
AD
27
AD
26
AD
25
VD
D
CBE
2
AD
24
AD
23
AD
22
VSS AD
21
AD
20
AD
19
AD
18
AD
17
VSS VD
D
VDD
VSS
CBE1
AD16
AD15
AD14
VSS
PAR
SERR
PERR
PCIRST
VSS
PCLK
VDD
GNT
REQ
IDSEL
FRAME
VSS
AD13
AD12
AD11
AD10
VSS
VDD
VD
D
VSS
AD
9
AD
8
AD
7
AD
6
VSS
CBE
0
AD
5
AD
4
AD
3
VD
D
AD
2
AD
1
AD
0
CLKSEL
1
CLKSEL
0
XVSS
XVD
D
PVD
D
PVSS
ICT517
C718
0.1uF
C717
0.1uF
C716
0.1uF
R801
10
C972
100pF
NO ASM
R1149
47
NO ASM
C1003
1000pF
C
726
0.
1uF
L712 BLM10B121SBPTM
NO ASM
1
2
L711 BLM10B121SBPTM
NO ASM
1
2
L705
DSS306-55
1
2
3
C
727
1000
pF
L706
BL02RN2-R62
1
2
ICT1206
ICT2054
ICT576
R799
33
ICT1207
R802
0
+
C
725
22
uF/
16
V
R822
4.7K
3
3
2
2
1
1
D
C
B
A
27/30
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