Manual - Pioneer KEH-P7850 Service Manual

KEH-P7850
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- Pin Functions (PE5002A)
Pin No. Pin Name
swvdd
1
dsens
2
csens
3
isens
4
5 TESTIN
drst
6
7 NC
sk
8
9 RECIVE
10 NC
reset
11
12 XT2
13 XT1
14 VSS
15 X2
16 X1
17 REGCOFF
18 REGC
19 VDD
20 ILMPW
21 SYSPW
adpw
22
23 LCDPW
24 IPPW
25 ASENBO
26 PRSBSW
TE
L 13942296513
27 TELIN
mute
28
29 DIM
30 NC
31 FM
32 AM
33 VCK
34 VST
35 VDT
tmute
36
37 NC
38 SD
st
39
40 VSS
41 VDD
mdsens
42
43 NC
rdslk
44
currq
45
46 RDT
47 DRELAY
48 DRSENS
49 DRSYS
dled
50
51 DLSENS
52 STCUT
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mosens
53
54 MSIN
mtlsw
55
56 POS
.
57 RES
58 NES
59 DIRO
60 PLAY
40
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I/O Function and Operation
O Key board unit power supply control output
I Grille detach sense
I Flap close sense input
I Illumination sense input
I Test mode input/test enable
O Decoder reset output
Not used
I SK signal input
O During RDS data reception output
Not used
I Reset input
Not used
Connect to GND
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
VSS
VSS
Power supply
O Illumination power supply control output
O System power supply control output
O A/D converter power
O LCD back light power supply control output
O Power supply control output for IP BUS interface IC
O Slave power supply control output
I Not used
I TEL mute signal input
O Mute output
O Dimmer select output
Not used
O FM power control output
O AM power control output
O Clock output for electronic volume
O Strobe pulse output for electronic volume
O Data output for electronic volume
O Tuner mute output
Not used
I SD input
I FM stereo input
GND
Power supply
I Modulation detect input
Not used
I RDS LK signal input
O Tuner voltage FIX output
I RDS demodulation data input
O External relay output
I Door open/close sense input
O Door system select output
O Alarm LED output
I Door lock sense input
O Starter cut off output
I Motion/window damage sensor input
I MS sense
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I Metal sense input
I Position sense
i
I Cassette mechanism reverse end sense input
I Cassette mechanism forward end sense input
O Head F/R select output
O MS gain select output
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