Parts - Pioneer CT-F10 Servise Manual

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7.2 PARTS

7.2.1 IC
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
PDC060A (MAIN UNIT : IC2501)
• System Microcomputer
•
Pin Function
No. Pin Name I/O
1 DIMR 1
2 DIMR 2
3 XMOTOR
4 S.CLK
5 XRESET
6 E+5V
7 NC
8 E+5V
9 GNDD
10 CF1
11 CF2
12 E+5V
TE
L 13942296513
13 KEY1
14 KEY2
15 MS
16 PROTECT
17 XMODE
18 NC
19 XRECR
20 XCrO (SW)
2
21 NC
22 XRECF
23 SENSE
24 NC
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Pin Function
O BLUE LED Dimmer control 1
O BLUE LED Dimmer control 2
O Cassette mechanism main motor control
I System bus clock
I Reset input
I Connect to V
DD
−
Not used
I Connect to V
DD
−
GND
I
Connected to ceramic oscillator ( 6 MHz)
O
−
Power supply +5V
I
AD key data input
I
I MS audio signal input
I Protection network ditection input
I Cassette mechanism mode SW input
−
Not used
I REV REC detection SW input
I CrO position detection SW input
2
– Not used
I FWD REC detection SW
I Sensing pulse input
−
Not used
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No. Pin Name I/O
25 SENSE 2
26 MODEL
27 S.DOUT
28 S.DIN
29 NC
30 XTEST
31 LEDRVSM
32 LEDPLAY
33 LEDREC
34 D.DATA
35 LEDDOLBY
Q Q
36 D.CLK
3 6 7 1 3
37 XPB MUTE
38 D.REQ
39 DOLBY
40 LOAD 1
41 LOAD 2
42 NC
43 PB/XREC
44 RECMUTE
45 XCrO
46 BIAS
47 XFWD/RVS
48 NC
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2 9 9 4 2 8
Pin Function
I Sensing pulse input 2
I Model switch input
O System bus output data
I System bus input data
−
Not used
I Test mode detection input
O Dir LED(RVS MODE) ON/OFF
O PLAY LED (ON/OFF)
O Dir LED(REC) ON/OFF
O Display bus Data control
O Dolby LED (ON/OFF)
O Display bus Clock control
1 5 0 5 8 2 9 9 4
O PB MUTE control
I Display bus Request
O DOLBY NR control
O Loader mechanism motor close control (+)
O Loader mechanism motor close control (–)
−
Not used
O DOLBY PB/REC control
O REC MUTE control
O Normal / CrO control
2 2
O BIAS control
O Head (FWD/RVS)SNLG Switch
−
Not used
m
co
CT-F10
9 9
2 8 9 9
27