Pioneer KEH-P6900R, Service Manual

Page: 70 / 80

70
KEH-P6900R,P6900R-B,P6910R
7.2 PARTS
7.2.1 IC
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Pin Functions (PE5083A)
Pin No. Pin Name I/O Function and Operation
1
fm
/AM O RDS decoder power select output
2 NC Not used
3
csens
I Flap close sense input
4 NC Not used
5 TESTIN I Test program mode input
6 NC Not used
7
drst
O Reset output
8 NL2DT I RDS:Noise lebel input
9 KEYIN2 I Encoder input 2
10 KEYIN1 I Encoder input 1
11
reset
I Reset input
12 XT2 Clock terminal(Open)
13 XT1 Clock terminal(VSS)
14 VSS GND
15 X2 Crystal oscillator connection pin
16 X1 Crystal oscillator connection pin
17 REGOFF VDD
18 REGC VDD
19 VDD Power supply
20 NC Not used
21
adpw
O A/D converter power
22 SDBW O SDBW inout
23
rdslk
I RDS LK signal input
24 RDT I RDS demodulation data input
25 ILMPW O Illumination power supply control output
26 LCDPW O LCD back light power supply control output
27
isens
I Illumination sense input
28 ROMDATA O ROM correction data output
29 ROMCLK O ROM correction clock output
30 ROMCS O ROM correction chip select output
31 SD I SD input
32
st
I FM stereo input
33
mute
O Mute output
34 VST O Strobe pulse output for electronic volume
35 VDT O Data output for electronic volume
36 VCK O Clock output for electronic volume
37
dled
O Alarm LED output
38 DRSENS I Door open/close sense input
39 DRSYS O Door system select output
40 VSS GND
41 VDD Power supply
42 TELIN I Telephone mute input
43 DRELAY O External relay output
44
dsens
I Grille detach sense
45
tmute
O Tuner mute output
46
swvdd
O Grille power supply control output
47 ASENBO O Slave power supply control output
48 IPPW O Power supply control output for IP BUS interface IC
49 LOCL O LOC L output
50 LOCH O LOC H output
51 SYSPWR O System power control
52
tunpce2
O EEPROM chip enable
53 DALMON O Power save control
54
currq
O Tuner voltage FIX output
55
stby
O Drive IC control output