Pioneer KEH-3800R, Руководство по обслуживанию

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42
KEH-3830R,3800R,3820R
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Pin Functions(PD4974A)
Pin No. Pin Name I/O Format Function and Operation
1 ASENBO O C Slave power supply control output
2
l
/S O C RDS time constant control output
3 ADPW O C A/D converter power
4 AVSS GND
5
swvdd
O C Grille power supply control output
6
st
I FM stereo input
7 AVREF1 D/A converter standard voltage
8 KYDT I Grille MicroComputer data input
9 DPDT O C Grille MicroComputer data output
10 NC Not used
11 TUNPDI I PLL IC data input
12 TUNPDO O C PLL IC data output
13 TUNPCK O C PLL IC clock output
14 TUNPCE O C PLL IC chip enable output
15
currrq
O C Tuner voltage FIX output
16–18 NC Not used
19 RECIVE O C During RDS data reception output
20 DILM O C DILM output
21 EORR O C Correct RDS error output
22 VST O C Strobe pulse output for electronic volume
23 VCK O C Clock output for electronic volume
24 VDT O C Data output for electronic volume
25 LCDPW O C LCD back light power supply control output
26 ILMPW O C Illumination power supply control output
27 DRSENS I Door open/close sense input
28 DRSYS O C Door system select output
29 FM O C FM power control output
30 AM O C AM power control output
31 CM O C Cassette mechanism capstan motor control output
32 NC Not used
33 VSS GND
34 SC2 O C Cassette mechanism sub motor control output
35 SC1 O C Cassette mechanism sub motor control output
36 MSIN I Cassette mechanism MS sense input
37 RIMUTE O N RI output port
38
mtlsw
I Metal sense input
39
dled
O N Alarm LED output
40
n
/R O Normal reverse output
41 PLAY O C Tape MS filter select output
42
loadsw
I Tape loading input
43 POS I Cassette mechanism position sense input
44 RES I Cassette mechanism reverse end sense input
45 PEE O C Beep tone output
46 NES I Cassette mechanism forward end sense input
47 RDS57K I 57kHzBP-OUT sense input
48 STBY O C Stand-by output
49 SK I SK signal input
50
drst
O C Decoder reset output
51
tmute
O C Tuner mute output
52
mdsens
I Modulation detect input
53 SD I SD input
54
mute
O C Mute output
55 SYSPW O C System power supply control output
56 TX O C IP BUS data output
57 RX I IP BUS data input
58 RDSLK I RDS LK signal input
59 RDT I RDS data input
60 RESET I Reset input
61
ldet
I PLL lock sense input