General Information; Parts - Pioneer DEH-P400 Service Manual

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7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
- Pin Functions (PD4989A)
Pin No. Pin Name
1 DRSYS
2 DRSENS
3 SYSPW
4 DRELAY
5 TESTIN
6–9 NC
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 AMBILM
24 IPPW
TE
L 13942296513
25 ASENB
26,27 NC
28 MUTE
fm/AM
29
30 LOCL
31 LOCH
32 TUNPCE2
33 VCK
34 VST
35 VDT
36,37 NC
38 SD
st
39
40 VSS
41 VDD
42–44 NC
currq
45
46–49 NC
dled
50
swvdd
51
dsens
52
53 CONT
54 CD5VON
55 NC
56 VDCONT
57 CDMUTE
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58 CDEJET
59 CDLOAD
60 LOCK
61 FOK
.
62 PCL
63 MIRR
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I/O Function and Operation
O Door system select output
I Door open / close sense input
O System power supply control output
O External relay output
I Test program mode input
Not used
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
O Amber illumination select output
O Power supply control output for IP BUS interface IC
O Slave power supply control output
Not used
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
Not used
I SD input
I FM stereo input
GND
Power supply
Not used
O Tuner voltage FIX output
Not used
O Alarm LED output
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
O CD mute control output
O CD eject control output
O CD LOAD motor loading control output
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I CD spindle lock input
I CD focus OK input
i
O Clock adjustment output
I CD mirror detector input
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2 9
8
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3 6 7 1 3 1 5
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DEH-P400,P4000,P4050
9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
9 9
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