Pioneer DEH-34 Manual de serviço - Página 28
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7.3 OPERATIONAL FLOW CHART
Power ON
VDD=5V
Pin 68
bsens
Pin 63
BSENS=L
asens
Pin 64
ASENS=L
dsens
Pin 65
DSENS=L
ADPW H
Pin 66
CSENS
Pin 80
2V<CSENS<4V
swvdd L
Pin 41
Source keys
operative
Source ON
SYSPW H
Pin 42
Completes power-on operation.(After that, proceed to each source operation.)
- CSENS 2V, 3V CSENS
Source returns to the original one(before you open).
CD loading functions are available.
Keys except for EJECT key are not available.
Starts communication with Grille microcomputer.
300ms
300ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 300msec, the oscillator
may be defective.
DEH-340,3400,34
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