Sharp CD-C440W Service Manual page 46

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CD-C440W/CP-C440W
IC601 RH-iX0171AWZZ:System Microcomputer (IX0171AW) (1/2)
Pin No.
Terminal Name
1*
————
2
REC/PB
3*
————
4
CD MUT
5
CD RES
6
CD SL-
7
CD SL+
8
VDD
9
CD CQCK
10
CD COIN
11
CD SQOUT
12
CD WRQ
13
CD RWC
14
SCK
15
SO
16
SI
17
RESET
18
STROBE
19
CD PU-IN SW
20
AVSS
21
CD DRF
22
T1 RUN
23
T2 RUN
24
SPEANA 5
25
SPEANA 4
26
SPEANA 3
27
SPEANA 2
28
SPEANA 1
29
AVDD
30
AVREF
31
TAPE CUM SW
32*
————
33
VSS
34*
X1
35*
X2
36*
LINE MUT
37*
SURROUND MUT
38*
CENTER MUT
39
SYSTEM MUT
40
MIC
41*
EN
42*
DATA
43*
CLK
44
SP DET
45
POWER
46
RELAY
47
*
TAPE TS CrO SW
48
VSS
49
TAPE F/R SPEED
50
TAPE SOL
51
TAPE MOTOR
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
All manuals and user guides at all-guides.com
Input/Output
Output
—————
Record/Playback selection signal
Output
—————
Output
CD MUT signal
Output
CD DSP RESET signal
Output
Slide return signal
Output
Slide feed signal
Power connection terminal
Output
CD IC control signal
Output
CD IC control signal
Input
CD IC control signal
Input
CD IC control signal
Output
CD IC control signal
Main µCOM (RH-iX0170AWZZ) control signal
Input
Main µCOM (RH-iX0170AWZZ) control signal
Output
Main µCOM (RH-iX0170AWZZ) control signal
Input
Main µCOM (RH-iX0170AWZZ) control signal
Input
Main µCOM (RH-iX0170AWZZ) control signal
Input
Input
Pickup position detection
To be connected to GND
Input
CD RF level detection input
Input
Tape 1: Rotation pulse input
Input
Tape 2: Rotation pulse input
Input
63Hz BPF spectrum analyzer input
Input
250Hz BPF spectrum analyzer input
Input
1kHz BPF spectrum analyzer input
Input
4kHz BPF spectrum analyzer input
Input
16kHz BPF spectrum analyzer input
A/D converter analog positive power
A/D converter reference power
Input
Tape mechanism cam SW input terminal
No connected
To be connected to GND
Main clock terminal, not used
Main clock terminal, not used
Output
Line mute output, not used
Output
Surround mute output
Output
Center SP output mute output
Output
System mute output
Input
Mic input terminal (for detection)
Output
DOLBY PRO logic IC control signal
Output
DOLBY PRO logic IC control signal
Output
DOLBY PRO logic IC control signal
Input
Speaker output error detection input
Output
Set power control output
Output
Speaker output relay control output
Input
Tape mechanism 2 CrO
Input
Digital GND terminal
Output
Tape feed/return
Output
Tape mechanism solenoid control output
Output
Tape mechanism motor control output
– 46 –
Function
H: When RF level is H
Occurrence of error: L
Power ON: H
Relay ON: H
detection input
CrO
: H
2
2
Attraction: L

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