Read Sharp SD-SH111 (serv.man21) Service Manual online
– 103 –
SD-SH111
1
VDD1
Input
Digital power supply +3.3 V.
2
HADR0
Input
CPU Address bus.
3
HADR1
Input
CPU Address bus.
4
HADR2
Input
CPU Address bus.
5
HADR3
Input
CPU Address bus.
6
HADR4
Input
CPU Address bus.
7
HADR5
Input
CPU Address bus.
8
HADR6
Input
CPU Address bus.
9
HADR7
Input
CPU Address bus.
10
VSS
—
Digital GND.
11
VDD1
Input
Digital power supply +3.3 V.
12
HDAT0
Input/Output
CPU Data bus.
13
HDAT1
Input/Output
CPU Data bus.
14
HDAT2
Input/Output
CPU Data bus.
15
HDAT3
Input/Output
CPU Data bus.
16
HDAT4
Input/Output
CPU Data bus.
17
HDAT5
Input/Output
CPU Data bus.
18
HDAT6
Input/Output
CPU Data bus.
19
HDAT7
Input/Output
CPU Data bus.
20
HRD
Input
CPU Read signal.
21
HWR
Input
CPU write signal.
22
HAS
Input
CPU address strobe.
23
HCS1
Input
CPU chip select signal 1. (Track Buffer Operation)
24
HCS2
Input
CPU chip select signal 2. (bus Voltage Transfer)
25
VSS
—
Digital GND.
26
VDD1
Input
Digital power supply +3.3 V.
27
HWAIT
Output
CPU wait signal. (Open drain)
28
HINT
Output
CPU interrupt signal. (Open drain)
29
VSS
—
Digital GND.
30-38
PDO[0]-[8]
Output
Output DVD/CDdata.
39
VSS
—
Digital GND.
40
VDD1
Input
Digital power supply +3.3 V.
41
PSYCO
Output
Output data selector sync signal.
42
PDRQO
Output
Output data transfer block signal.
43
PDCKO
Output
Output data transfer clock.
44
VSS
—
Digital GND.
45
VDD2
Input
Digital power supply +5 V.
46
DVDREQ
Input
Request signal input.
47
PDCKI
Input
Input data transfer clock.
48
PDRQI
Input
Input data transfer block signal.
49
PSYCI
Input
Input data selector sync signal.
50
VSS
—
Digital GND.
51
VDD2
Input
Digital power supply +5 V.
52-60
PDI[8]-[0]
Output
Input DVD/CD data.
61
VSS
—
Digital GND
62
VDD1
Input
Digital power supply +3.3 V.
63
VSS
—
Digital GND.
64
VDD2
Input
Digital power supply +5 V.
65-72
5VBUS[7]-[0]
Input/Output
CPU bus 5 V conversion input/output.
73*,74*
N.C.
—
—
75
VSS
—
Digital GND.
IC3508 RH-iX1761GEZZ: Track Buffer Interface (IX1761GE) (1/2)
Terminal Name
Pin No.
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Click on the first or last page to see other SD-SH111 (serv.man21) service manuals if exist.