Read Sharp CD-DVD500 (serv.man18) Service Manual online
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CD-DVD500H
52*
CE
Output
External SRAM chip enable signal output terminal.
53
VDD
Input
Digital power supply terminal.
54*
IO7
Input/Output
External SRAM data I/O terminal 7.
55*
IO6
Input/Output
External SRAM data I/O terminal 6.
56*
IO5
Input/Output
External SRAM data I/O terminal 5.
57*
IO4
Input/Output
External SRAM data I/O terminal 4.
58*
IO3
Input/Output
External SRAM data I/O terminal 3.
59*
IO2
Input/Output
External SRAM data I/O terminal 2.
60*
IO1
Input/Output
External SRAM data I/O terminal 1.
61*
IO0
Input/Output
External SRAM data I/O terminal 0.
62
VSS
—
Digital ground terminal.
63*
AD0
Output
External SRAM address output terminal 0.
64*
AD1
Output
External SRAM address output terminal 1.
65*
AD2
Output
External SRAM address output terminal 2.
66*
AD3
Output
External SRAM address output terminal 3.
67*
AD4
Output
External SRAM address output terminal 4.
68*
AD5
Output
External SRAM address output terminal 5.
69*
AD6
Output
External SRAM address output terminal 6.
70*
AD7
Output
External SRAM address output terminal 7.
71
VDD
Input
Digital power supply terminal.
72*
AD8
Output
External SRAM address output terminal 8.
73*
AD9
Output
External SRAM address output terminal 9.
74*
AD10
Output
External SRAM address output terminal 10.
75*
AD11
Output
External SRAM address output terminal 11.
76*
AD12
Output
External SRAM address output terminal 12.
77*
AD13
Output
External SRAM address output terminal 13.
78*
AD14
Output
External SRAM address output terminal 14.
79*
AD15
Output
External SRAM address output terminal 15.
80*
AD16
Output
External SRAM address output terminal 16.
81
VSS
—
Digital ground terminal.
82
PO0
Output
General-purpose output terminal 0.
83*
PO1
Output
General-purpose output terminal 1.
84
PO2
Output
General-purpose output terminal 2.
85*
PO3
Output
General-purpose output terminal 3.
86*
PO4
Output
General-purpose output terminal 4.
87*
PO5
Output
General-purpose output terminal 5.
88*
PO6
Output
General-purpose output terminal 6.
89*
PO7
Output
General-purpose output terminal 7.
90
VDDDL
Input
Power supply terminal for DLL.
91
LPFO
Output
LPF output terminal for DLL.
92*
DLON
Input
DLCKS terminal
DLON terminal
DLL clock setting
"L"
"L"
SCKI input. (DLL circuit off)
93*
DLCKS
Input
"L"
"H"
Quadruple of XI clock
"H"
"L"
Triple of XI clock
"H"
"H"
Sextuple of XI clock
94
SCKO
Output
ASP clock output terminal.
95
VSSDL
—
Ground terminal for DLL.
96
SCKI
Input
External system clock input terminal.
97
VSSX
—
Ground terminal for crystal oscillation circuit.
98
XO
Output
Crystal oscillation output terminal.
99
XI
Input
Crystal oscillation input terminal.
100
VDDX
Input
Power supply terminal for crystal oscillation circuit.
IC504 RH-iX0443AWZZ: Dolby Decoder (IX0443AW) (2/2)
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.
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