Pioneer DEH-P945R Service Manual page 89

- Pin Functions (PD4931A)
Pin No. Pin Name
1 FOK
2 MIRR
3 LOCK
4 AVss
5 NC
6 EMPH
7 AVREF1
8 TSI
9 NC
tsck
10
11 XSI
12 XSO
xsck
13
14 XA0
xstb
15
16 NC
17 BDATA
bsck
18
xrst
19
20 CONT
21 CD5VON
22 VDCONT
23 CDMUTE
24 CDEJET
25 CDLOAD
26 BMUTE
clamp
27
crst
28
29 CBANK0
30 CBANK1
31 CBANK2
ccs
32
33 Vss
34 DSET
35 SCONT
36-54 NC
55 ERREJ
csens
56
57 TXARI
58 BSRQ
59 BRXEN
reset
60
61 NC
brst
62
dqsy
63
64-66 NC
adena
67
68 VDD
69 X2
70 X1
71 IC(Vpp)
72 NC
testin
73
74 AVpp
75 AVREF0
76 EJTENS
77 DSCSNS
I/O Format Function and Operation
I Focus OK input
I Mirror detect input
I Spindle lock input
A/D GND electric potential
Not used
O C Pre-emphasis output
I A/D Reference electric potential input
I Decode IC serial data input
Not used
O C Decode IC serial clock output
I Serial data input from CD LSI
O C Serial data output to CD LSI
O C Serial clock output to CD LSI
O C CD LSI command/data control output
O C Strobe output to CD LSI
Not used
I/O C P-Bus serial data input/output
I/O C P-Bus serial clock input/output
O C CD LSI reset output
O C Servo driver voltage control output
O C CD +5V power supply control output
O C VD power supply control output
O C CD Mute control output
O C Loading Motor Eject control output
O C Loading Motor Load control output
O C Bus mute output
I Disc clamp SW input
O C Compressor IC reset output
O C Compressor IC bank set output 0
O C Compressor IC bank set output 1
O C Compressor IC bank set output 2
O C Compressor IC chip select
GND electric potential
O C Disc set indicator light output
O C Spindle double speed output
Not used
I Disc eject select input at the error
I Ope-fla close sense input
I TX output select input
I/O C P-Bus service request output
I/O C P-Bus reception enable status
I System reset input
Not used
I P-Bus Reset input
I TEXT decode read permission input
Not used
O C A/D reference voltage supply control input
Positive power supply
Main clock oscillator connection pin
Main clock oscillator connection pin
Internally Connected (Vss)
Not used
I Test program start input
A/D analog power supply
A/D reference voltage input
Disc eject position sense input
Disc set defect input
DEH-P945R,DEX-P99R
89