Pioneer DEH-P440 Service Manual page 54

1
- Pin Functions (PE5246A)
Pin No. Pin Name
1 NC
dsens
2
3 NC
A
4 EJECTIN
5 TESTIN
6 LCDPW
7 TELIN
isens
8
9 FLPILM
10 DALMON
reset
11
12 XT2
13 XT1
14 VSS(GND)
15 X2
16 X1
17 REGOFF
18 REGC
19 VDD
20 ILMPW
21 SYSPW
B
adpw
22
23 SWVDD
24 IPPW
25 ROT1
26-31 NC
pce@
32
33 STB
34 CLK
35 DATA
36 NC
37 MUTE
38 SD
st
39
40 VSS(GND)
41 VDD
fm/AM
42
43-49 NC
50 LOCL
C
51 LOCH
52,53 NC
54 LOEJ
55 CLCONT
56 CD5VON
57 VDCONT
58-61 XPI3-0
62 PCL
63 CONT
64 HOME
65 NC
66 XPCK
67 NC
xrst
68
69 NC
xce
70
71 ASENBO
72 MUTE
D
73 TEST(GND)
54
1
2
I/O Function and Operation
Not used
I Grille detach sense input
Not used
I Eject sense input
I Test program mode input
O LCD back light power supply control output
I Telephone mute input
I Illumination sense input
O Flap illumination input
For consumption low-current
I Reset input
Not used (open)
Clock connection pin
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
Regulator operation specification signal
Capacitor for regulator connect pin
Power supply
O Illumination power supply control output
O System power control output
O A/D converter power supply control output
O Grille:Chip enable output
O Power supply control output for IP BUS interface IC
I Rotary input 1
Not used
O EEPROM chip enable output
O Strobe pulse output for electronic volume
O Clock output for electronic volume
O Data output for electronic volume
Not used
O System mute output
I Station detector input
I FM stereo input
GND
Power supply
O TUNER:Decoder power supply control output
Not used
O Local L output
O Local H output
Not used
O CD:Load Motor Load/Eject output
O CD:Driver input switch output
O CD:Power supply control output
O CD:VD power control output
I/O CD:LSI data input/output
Clock adjustment
O CD:Servo driver power supply control output
I CD:CRG HOME detection input
Not used
O CD:LSI clock output
Not used
O CD:LSI reset control output
Not used
O CD:LSI chip enable output
O IP-BUS:Slave power supply control output
O E.VOL:Mute control output
I GND
DEH-P440/XN/UC
2
3
3
4
4