Pioneer AVM-P505R, Service Manual

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AVM-P505R
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Pin Functions (PD6293A)
Pin No. Pin Name I/O Function and Operation
1–9 NC Not used
10 VLCD Not used
11-16 NC Not used
17 REM I Remote control data input
18 DPDT I Display data input
19 RST Not used
20 KYDT O Key data output
21 MODA Not used
22 X0 O Crystal oscillator connection pin
23 XI I Crystal oscillator connection pin
24 VSS GND
25–55 NC Not used
56 VDD Power supply
57–64 NC Not used
30
31
50
51 80
1
100
81
16
17
32
49
64
1
33
48
*PD6293A
Pin No. Pin Name I/O Function and Operation
81 NC Not used
82 VDD A/D converter power supply
83 VDD A/D converter reference voltage
84 GND A/D converter ground
85 RX I IP BUS data input
86 TX O IP BUS data output
87 GND GND
88
ldet
I PLL lock sense input
89
rck
I RDS demodulation clock input
90
rds%&k
I 57kHz BP-OUT sense input
91 IDRDY I ID-LOGIC ready input
92
asens
I ACC power sense input
93
bsens
I Back up power sense input
94 TUNPDI I PLL IC data input
95 KEYDT I Display data input
96 DPDT O Display data output
97 TUNPCK O PLL IC clock output
98 TUNPDO O PLL IC data output
99 TUNPCE O PLL IC chip enable output
100 PEE O Beep tone output
* IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
*PD4923A