Pioneer CD-P75FM Service Manual page 13

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- Pin Functions (PD4953A)
Pin No. Pin Name
1 MODEL
2,3 NC
4 AVSS
5,6 NC
7 AVREF1
8 KYDT
9 DPDT
10 SWVDD
11 PREN
12 PLDO
13 PLCK
14 PLCE
15 NC
16 TSI
17 TSO
tck
18
19-32 NC
33 VSS
34-41 NC
busmute
42
43-45 NC
mute
46
47-53 NC
54 SYSPW
55 ASENBO
56 TX
TE
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57 RX
ippw
58
59 NC
reset
60
61 NC
bsens
62
asens
63
64-67 NC
68 VDD
69 X2
70 X1
71 IC
72 NC
73 TESTIN
74 AVDD
75 AVREF0
76-80 NC
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I/O Format
I
I
O C
O C
O C
O C
O C
O C
I
O C
I
O C
O C
O C
O C
O C
I
O C
I
I
I
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8
Function and Operation
Model select input
Not used
A/D GND
Not used
VSS
Data input
Data output
Grille power supply control output
Pre-emphasis output
PLL data output
PLL clock output
PLL CE output
Not used
Test program serial input
Test program serial output
Test program serial clock
Not used
GND
Not used
BUS mute output
Not used
Mute output
Not used
System power supply control output
Slave power supply control output
IP BUS data output
Q Q
3 6 7 1 3 1 5
IP BUS data input
Power supply control output for IP BUS interface IC
Not used
Reset
Not used
Back up power sense input
ACC power sense input
Not used
Power supply
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
Not used
Test program mode input
Positive power supply terminal for analog circuit
GND
Not used
co
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CD-P75FM
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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