Manual - Pioneer KEH-P4950J Service Manual

KEH-P4950J
QQ
3 7 63 1515 0
- Pin Functions(PE5087A)
Pin No. Pin Name
1 ASENBO
2 NC
3 ADPW
4 AVSS
swvdd
5
st
6
7 AVREF1
8 KYDT
9 DPDT
10 NC
11 TUNPD1
12 TUNPD0
13 TUNPCK
14 TUNPCE
currrq
15
16 NC
17 TX
18-21 NC
22 VST
23 VCK
24 VDT
25-28 NC
29 FM
30 AM
31 CM
32 NC
TE
L 13942296513
33 VSS
34 SC2
35 SC1
36 MS
mcmute
37
mtl
38
39 NC
n/R
40
41 PLAY
loadsw
42
43 POS
44 RES
45 PEE
46 NES
47 NC
48 STBY
49-52 NC
53 SD
mute
54
55 SYSPW
56-59 NC
reset
60
61 RX
62 NC
dsens
63
64 TELIN
www
asens
65
bsens
66
67 CLKIN
68 VDD
.
69 X2
70 X1
40
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I/O Format Function and Operation
O C Slave power supply control output
Not used
O C A/D converter power
GND
O C Grille power supply control output
I FM stereo input
D/A converter standard voltage
I Grille MicroComputer data input
O C Grille MicroComputer data output
Not used
I PLL IC data input
O C PLL IC data output
O C PLL IC clock output
O C PLL IC chip enable output
O C Tuner voltage FIX output
Not used
O C IP-BUS data output
Not used
O C Strobe pulse output for electronic volume
O C Clock output for electronic volume
O C Data output for electronic volume
Not used
O C FM power control output
O C AM power control output
O C Cassette mechanism capstan motor control output
Not used
GND
O C Cassette mechanism sub motor control output
O C Cassette mechanism sub motor control output
I Cassette mechanism MS sense input
I Cassette mechanism mute sense input
I Metal sense input
Not used
O C Normal reverse output
O C Tape MS filter select output
I Tape loading input
I Cassette mechanism position sense input
I Cassette mechanism reverse end sense input
O C Beep tone output
I Cassette mechanism forward end sense input
Not used
O C Stand-by output
Not used
I SD input
O C Mute output
O C System power supply control output
Not used
I Reset input
I IP-BUS data input
Not used
I Grille detach sense input
I Cellular mute input
I ACC power sense input
I Back up power sense input
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I Clock sense input
VDD
i
O C Oscillator output
I Oscillator input
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