Read Sharp CD-C411H (serv.man10) Service Manual online
CD-C421H / C411H
– 46 –
IC601 RH-iX0225AWZZ:Main System Microcomputer (IX0225AW) (1/2)
1*
P94
Output
Not used OUT:H OPEN
2
P93
T_RECPLY
Output
REC/P.B Selection
3*
P92
Output
Not used OUT:H OPEN
4*
P91
MUT
Output
CD Mute Contorol
5
P90
DSPRES
Output
Reset Output For CD Display
6
P81
SLM2
Output
CD Slide Motor–
7
P80
SLM1
Output
CD Slide Motor+
8
VDD
VDD
—
Power Terminal
9
SCK0
CD CQCK
Output
Clock Output For CD
10
SO0
CD COOUT
Output
Data Output For CD
11
SI0
CD SQIN
Input
Data Input From CD
12
P24
WRQ
Input
CD WRQ
13
P23
RWC
Output
CD WRC
14
SCK1
MAIN SCK
Input
System Microcomputer Clock
15
SO1
MAIN SO
Output
System Microcomputer Data Output
16
SI1
MAIN SI
Input
System Microcomputer Data Input
17
RESET
RESET
Input
Reset
18
P74
MAIN_ST
Input
System Microcomputer Stove Input
19
P73
PUINSW
Input
CD PUIN–SW
20
AVSS
AVSS
—
Analog Ground
21
P17
FRF
Input
Detecting of CD RF Level
22
P16
T1FAS
Input
TAPE1 Full Auto Stop, Pulse Input
23
ANI5
T2 RUN
Input
TAPE2 RUN Pulse Input
24-28
ANI4-0
Output
Not used OUT:H OPEN
29
AVDD
AVDD
—
Analog VDD
30
AVREF
AVREF
—
Analog Ref Potential
31
P04
CAM SW
Input
TAPE CAM–SW
32*
XT2
Output
Not used OPEN
33
VSS
VSS
—
GND Potential
34
X1
X1
Input
Main Clock 4.19MHz
35
X2
X2
Output
Main Clock 4.19MHz
36*
P37
LMUTE
Output
LINE MUTE
37*-38*
P36-35
Output
Not used OUT:H OPEN
39*
P34
SMUTE
Output
System Mute
40*
P33
Output
Not used OUT:H OPEN
41*-43*
P32-30
Output
Not used OUT:L OPEN
44
P03
SP_DET
Input
Detecting of SP Output Error
45
P02
STANBY
Output
Setting Power Control
46*
P01
SPRLY
Output
SP Output Relay Control
47
P00
T2CRO2
Input
TAPE2 Detecting of Chrome Tape
48
IC
IC
Internally Connected
49*
P72
Output
Not used OUT:L OPEN
50
P71
T_SOL
Output
TAPE Solenoid Control
51
P70
T_MOTOR
Output
TAPE Motor Control
52
VDD
VDD
+Power Supply
53
P127
Input
CD TRAY Open/Close SW
54
P126
Input
CD TRAY Disc No,SW
55
P125
Input
CD Mechanizm Detecting of Up/Down chucking
56
P124
T1CRO2
Input
TAPE1 Detecting of CrO2 TAPE
57*-60*
P123-120
Output
Not used OUT:H OPEN
61*
P117
Output
Not used OUT:H OPEN
62*
P116
SPN_P
Input
Tuner Span Selection
Port Name
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function
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