Pioneer CT-L5, Руководство по обслуживанию

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CT-L5
26
No. Name I/O Description
27 S. DOUT O
System bus DATA
28 S. DIN I
29 NC –– Not used
30 XMOTOR O Cassette mechanism motor
31 XLEDREC O "REC" LED ON/OFF
32 XLEDPLAY O "PLAY" LED ON/OFF
33 XCrO2 O Switching tape type NORMAL/CrO2
34 D. DATA O Display bus DATA
35 NC O Not used
36 D. CLK O Display bus CLOCK
37 SENS I Cassette mechanism Hall IC
38 XHALF I Tape detection switch
39 CrO2 (SW) I CrO2 detection switch CrO2: H
40 XRECR I REV REC detection switch REC OK: L
41 XMODE I Cassette mechanism MODE switch
42 NC –– Not used
43 GND I GND Connect
44 XTEST I TEST MODE detection
45 XCLOSE I Loading mechanism CLOSE switch
46 XOPEN I Loading mechanism OPEN switch
47 XRECMUTE O REC MUTE ON/OFF ON: L
48 NC –– Not used
7. GENERAL INFORMATION
7.1 IC
7
PDC047A (IC2701: MAIN UNIT)
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System Micro-computer
No. Name I/O Description
1 TIN O Loading mechanism motor CLOSE
2 TOUT O Loading mechanism motor OPEN
3 PB/XREC O Switching PB/REC
4 S. CLK I System bus CLOCK
5 XRESET I Reset Reset : L
6 E+5V –– Power supply (+) terminal
7 NC –– Not used
8 E+5V –– Power supply (+) terminal
9 GNDD –– Power supply (–) terminal
10 I
6 MHz Connected to Ceramic oscillator
11 O
12 E+5V –– Power supply (+) terminal
13 DKI-0 I AD key data input
14 MS I Audio signal detection for MS
15 NC I Not Connection
16 NC I Not Connection
17 DOLBY O DOLBY NR ON/OFF ON : H
18 NC –– Not used
19 SOL O Mechanism Solenoid control ON : H
20 BIAS O BIAS ON/OFF
21 PBMUTE O PB MUTE ON/OFF
22 D. REQ I/O Display bus REQUEST
23 XRECF I FWD REC detection switch REC OK : L
24 NC –– Not used
25 NC O Not Connection
26 S. R/E I/O System bus REQUEST
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Pin Function
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The information shown in the list is basic information and may not
correspond exactly to that shown in the schematic diagrams.