Operational Flow Chart - Pioneer DEH-P9400MP Service Manual

Multi-cd/dab control dsp high power cd/mp3/wma player with rds tuner

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7.3 OPERATIONAL FLOW CHART

Power ON

VDD=5V

Pin 16/62/98/99

bsens

Pin 20

BSENS=L

asens

Pin 74

ASENS=L

dsens

Pin 72

DSENS=L

ASENBO←H

Pin 26

Starts

communication

with Grille

microcomputer.

SWVDD←H

Pin 34

Source keys

operative

Source ON

SYSPW←H

Pin 37

Completes power-on operation.

(After that, proceed to each source operation)

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-P9400MP/EW

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