Pioneer PD-F1007, Service Manual

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PD-F1007
45
No. Symbol Name I/O Description
31 P16/ANI6 SYNC1 I Synchronization input
(pull-up required)
32 P17/ANI7 SYNC3 O Synchronization output
33 AVSS AVSS – GND
34 P130/AN00 Not used
O Output of "L"
35 P131/AN01 Not used
36 AVref1 AVref1 – VDD
37 P70/SI2/RxD SRDT I CD TEXT data input
38 P71/SO2/TxD Not used O Output of "L"
39 P71/SCK2/ASCK SCLK O CD TEXT data fetch clock output
40 Vss Vss – GND
41 P20/SI1 KYDT I Communication data input in regard
to the SUB microcomputer
42 P21/SO1 DPDT O Communication data output in regard
to the SUB microcomputer
43 P22/SCK1 DCLK O Communication clock in regard to
the SUB microcomputer
44 P23/STB DCS O Communication request output in
regard to the SUB microcomputer
(H
=
L: Communication request)
45 P24/BUSY Not used O Output of "L"
46 P25/SI0/SB0 SQSO I Q data serial input (combined use for
FCOK/GFS/SENS)
47 P26/SO0/SB1 MDAT O LSI control data serial output
48 P27/SCK0 CLOK O Serial clock
49 P80/A0 A0
| | | O
56 P87/A7 A7
57 P40/AD0 A4 O
58 P41/AD1 A12 O
59 P42/AD2 A10 O External RAM address line
60 P43/AD3 A11 O
61 P44/AD4 A9 O
62 P45/AD5 A8 O
63 P46/AD6 A13 O
64 P47/AD7 A15 O
65 P50/A8 IO4
| | | O
69 P54/A12 IO8 External RAM data Input/Output
70 P55/A13 IO1 O
PD4996A (IC351: MAIN BOARD ASSY)
System Control Micro-computer
No. Symbol Name I/O Description
1 P120/RTP0 DLAT O DAC control data, latch pulse output
2 P121/RTP1 XLAT O LSI control data, latch pulse output
3 P122/RTP2 Not used O Output of "L"
4 P123/RTP3 INSD I Slider INSIDE switch input (L: INSIDE)
5 P124/RTP4 OPEN I Hood open switch input
(L: Opening completed)
6 P125/RTP5 CLS I Hood close switch input
(L: Closing completed)
7 P126/RTP6 EJCT I Loading out switch input
(L: Ejection completed)
8 P127/RTP7 CLMP I Loading mechanism clamping switch
input (L: Clamping completed)
9 IC IC – GND
10 X2 X2 Connected to System clock oscillator
– (4.19 MHz)
11 X1 X1
12 VDD VDD – +5V
13 XT2 XT2 – Not Connect (open)
14 P07/XT1 Not used I Input of 5 V (only for input)
15 RESET RESET I CPU reset (L: Reset)
16 P00/INTP0/TI00 DREQ I Communication start request input
from the SUD microcomputer
(L: Communication start)
17 P01/INTP1/TI01 Not used O Output of "L"
18 P02/INTP2 DPOS I Pulse input for disc position detection
19 P03/INTP3 SCOR I Subcode synchronization S0 + S1 input
20 P04/INTP4 DISC I Disc detection pulse input
(L: Disc present)
21 P05/INTP5 Not used O Not used
22 P06/INTP6 DCNT2 I Disc count pulse input 2
23 AVdd AVdd – VDD
24 AVref0 AVref0 – GND
25 P10/ANI0 Not used O Output of "L"
26 P11/ANI1 MUTM O Master side mute output (L: Mute)
27 P12/ANI2 MUTA O Audio muting output (L: Mute)
28 P13/ANI3 Not used O Output of "L"
29 P14/ANI4 MSIN I Master input (response from the slave)
30 P15/ANI5 KYCON O Keyboard power supply control
(H: Power ON)
Pin Function