Read Sharp MX-M550U / MX-M620U (serv.man2) Service Manual online
MX-M550/M620/M700 CIRCUIT DIAGRAM / 回路図 4 - 107
16MHz
L
CLKSEL0
H
H
CLKSEL1
L
H
AVSS
GND
12MHz
NEAR IC703
24MHz
L
L
20MHz
AVDD
H
PVDD
NEAR IC703
CLKSEL1
PCIAD
29
TPORT0
PVSS
PCBE
03
TPORT1
PCIAD
30
PCIAD
31
CLKSEL0
VBUS
ATPGEN
SCANEN
PVDD
AVSS
AVDD
DP
DM
PDEVSEL0
4,15,16,18,25
PTRDY0
4,15,16,18,25
PSTOP0
4,15,16,18,25
PIRDY0
4,15,16,18,25
PCIINTA
4,9,15,16,18,25
3.3V
3.3V
3.3V
C
707
0.
1uF
ICT180
C
709
0.
1uF
R
826
0
ICT179
R
827
0
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
94
95
96
97
98
99
100
R1
AVDD
AVSS
AVDD
AVSS
DP
AVSS
DM
AVSS
AVDD
VBUS
SCANEN
ATPGEN
TIN2
TIN1
TIN0
TPORT1
TPORT0
VSS
STOP
DEVSEL
TRDY
IRDY
VSS
VDD
VD
D
VSS INTA CBE
3
AD
31
AD
30
AD
29
XVD
D
PVD
D
PVSS
VC
PTEST
XI
XO
R
828
0
C
720
0.
1uF
R794
0 NO ASM
R
829
0
R793
0 NO ASM
C
734
1000
pF
C
735
1000
pF
ICT520
C
708
0.
1uF
ICT2185
ICT519
L708 BLM10B121SBPTM
NO ASM
1
2
L700
DLW31SN900SQ2
1
4
2
3
CN700
DUSB-BRA42-T11
FG
FG
1
2
3
4
FG
FG
R805
10K
C
710
0.
1uF
ICT43
TP705 SCANEN
ICT518
R798
1M
R797
220
L703
DSS306-55
1
2
3
L707 BLM10B121SBPTM
NO ASM
1
2
ICT516
L704
BL02RN2-R62
1
2
X701
24MHz
C700
22pF
C
723
0.
1uF
C701
22pF
C
724
1000
pF
L709 BLM10B121SBPTM
NO ASM
1
2
R796
10K
L710 BLM10B121SBPTM
NO ASM
1
2
R804
6.2K
+
C
722
22
uF/
16
V
C
721
1000
pF
R795
10K
L701
DSS306-55
1
2
3
L702
BL02RN2-R62
1
2
TP706 ATPGEN
+
C
719
22
uF/
16
V
ICT1073
TP707 TPORT1
ICT1200
TP708 TPORT0
ICT1199
5
5
4
4
3
3
D
C
B
A
MFP CONTROL PWB (USB) (MX-M620N/M620U/M620)
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