Pioneer DEH-46DH, Service Manual

Page: 60 / 75

60
DEH-66DH,46DH
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Pin Functions (PD4723B)
Pin No. Pin Name I/O Format Function and Operation
1
ridrst
O C RBDS/IDLOGIC reset output
2 RIDSEL O C RBDS/IDLOGIC select output
3 NC Not used
4 AVSS A/D converter ground potential
5 VCAOUT O Sub woofer volume control
6 NC Not used
7 AVREF I D/A converter reference voltage
8 KYDT I Communication data input
9 DPDT O C Communication data output
10
swvdd
O C Power supply output
11 RIDDI RBDS/ID LOGIC communication data
12 RIDDO O C RBDS/ID LOGIC communication data output
13
ridck
O C RBDS/ID LOGIC communication clock output
14
brst
O C P–BUS reset output
15
brxen
I/O C P-BUS enable input/output
16
bsrq
I P-BUS serial pole request input
17 BSIO I/O C P-BUS serial data input/output
18
bsck
I/O C P-BUS serial clock input/output
19 VST O C Strobe pulse output for electronic volume
20 VDT O C Data output for electronic volume
21 VCK O C Clock output for electronic volume
22 DRELAY O C External relay output
23 DRSYS O C Door system select output
24 STOUT O C Starter cut output
25,26 NC Not used
27 TUNPCK O C PLL IC clock
28 TUNPDO O C PLL IC data output
29 TUNPCE O C PLL IC chip enable
30 TUNPDI I PLL IC data input
31 DRSENS Door open/close sense
32 DLSENS Door lock sense
33 VSS GND
34 MUTE O C Mute output
35 FIEOUT O C FIE ON/OFF control output
36 SUBW0 O N Sub woofer control 0
37 SUBW1 O N Sub woofer control 1
38
dled
O N Alarm LED output
39
tmute
O N Tuner mute output
40
bmute
O C Bus mute output
41 ASENBO O C Slave power supply control output
42 ILMPW O C Illumination power supply control output
43 FM O C FM power control output
44 AM O C AM power control output
45 PEE O C Beep tone output
46 TUNPW O C Tuner power control output
47 SYSPW O C System power control output
48 CDPW O C CD power control
49 PCL O C Clock adjustment output
50 LCDPW O C LCD back light power supply control output
51 DIMMER O C Dimmer output
52 SD I FM SD input
53
st
I FM stereo input
54
tsens
I Illumination sense input
55 NC Not used
56 TX O C IP BUS data output
57 RX I IP BUS data input
58 IPPW O C Power supply control output for IP BUS interface IC
59 NC Not used