Pioneer CT-F10 Manual de servicio - Página 27

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Pioneer CT-F10 Manual de servicio

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