Read Sharp UP-X500 (serv.man4) Service Manual online
UP-X500U
CIRCUIT DIAGRAM
7 – 27
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
RESET
SA0
SA1
SA2
XRD#
XWR#
EXCOM_IRQ3
SD2
SD5
SD1
SD0
SD4
SD6
SD7
SD3
SA2
SA1
SA0
clres#
clcom#
clsout
clsin
SA3
excom_cs#
H8_EXCOM_CS#
SA3
VCC
VCC
VCC
VCC
VCC3
VCC3
VCC3
VCC3
VCC3
VCC
RESET
10,17
SD[0..15]
16,17,28
SA[0..19]
16,17,28
XRD#
16,17,28
XWR#
16,17,28
EXCOM_IRQ3
16
H8_EXCOM_CS#
16,28
IOaddress=0x590
䌾
0x59F
ISA
interface
Contactless
CLERK I/F
EXCOM
CN43
53398-0790
1
2
3
4
5
6
7
C765
0.1UF 2
1
R498
0
1
2
IC106E
74LVA04(TSSOP)
11
10
14
7
IC107D
74LVA08(TSSOP)
12
13
11
14
7
R497
0
1
2
X7
14.7456MHz(DSX840GA)
IC106F
74LVA04(TSSOP)
13
12
14
7
IC106D
74LVA04(TSSOP)
9
8
14
7
C768
0.1UF
2
1
BR141
33-4
1
8
2
7
3
6
4
5
R500
10K
1
2
C767
100PF
2
1
BR140
4.7K-4
1
8
2
7
3
6
4
5
F10
ICP-S1.0
C764
100PF
2
1
C769
10PF
2
1
IC120
PC16550DV
D2
4
D3
5
D5
7
D7
9
RCLK
10
SIN
11
CS0
14
CS1
15
CS2
16
BAUDOUT
17
XIN
18
WR
20
WR
21
RD
25
ADS
28
A2
29
A1
30
A0
31
RXRDY
32
OUT2
35
RTS
36
DTR
37
CTS
40
R1
43
SOUT
13
INTR
33
D4
6
D6
8
XOUT
19
D0
2
D1
3
VSS
22
RD
24
TXRDY
27
DDIS
26
OUT1
38
MR
39
DSR
41
DCD
42
VDD
44
NC
1
NC
12
NC
23
NC
34
C763
100PF
2
1
C766
100PF
2
1
R499
1.5K
1
2
C770
10PF
2
1
ŗ̫࢜İŖ̫࢜ྚ
Contactless
CLERK CN
VCC3
VCC3
VCC3
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
27/33
Contactless CLERK Interface
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