General Information; Parts - Pioneer DEH-2000R Service Manual

DEH-2000R,2030R,2020R

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
- Pin Functions (PE5025A)
Pin No. Pin Name
1 DRSYS
2 TELMUTE
3 SYSPW
4 DRELAY
5 TESTIN
drst
6
7 ERROR
sk
8
9 RECIVE
10 TUNPW
reset
11
12 XT2
13 XT1
14 VSS
15 X2
16 X1
17 REGOFF
18 REGC
19 VDD
20 GRNILM
21 NC
adpw
22
23,24 NC
25 ASENB
26 ROMDATA
27 ROMCLK
28 MUTE
fm/AM
29
30 LOCL
31 LOCH
32 TUNPCE2
33 VCK
34 VST
35 VDT
tmute
36
37 ROMCS
38 SD
st
39
40 VSS
41 VDD
42,43 NC
rdslk
44
currq
45
46 RDT
47–50 NC
swvdd
51
dsens
52
53 CONT
54 CD5VON
55 NC
56 VDCONT
60
I/O Function and Operation
O Door system select output
I Telephone mute input
O System power supply control output
O External relay output
I Test program mode input
O RDS reset output
O RDS disapprove of error correction output
I RDS SK signal input
O During RDS data reception output
O Tuner power control output
I Reset input
Not used (open)
Not used (GND)
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
Connect to VSS
Capacitor for regulator connect pin
Power supply
O Green illumination select output
Not used
O A/D converter power supply output
Not used
O Slave power supply control output
O ROM correction data output
O ROM correction clock output
O System mute output
O RDS decoder power select output
O LOCL output
O LOCH output
O PLL IC chip enable output
O Clock output for electronic volume
O Strobe pulse output for electronic volume
O Data output for electronic volume
O Tuner mute output
O ROM correction chip select output
I SD input
I FM stereo input
GND
Power supply
Not used
I RDS LK signal input
O Tuner voltage FIX output
I RDS demodulation data input
Not used
O Keyboard unit power supply control output
I Grille detach sense input
O CD server driver power control output
O CD +5V power control output
Not used
O CD VD power control output