DEH-P7200HD/XNUC
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5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
VCC1 = 3.3 V
Pin 14
BSENS
Pin 16
ASENS
Pin 18
BSENS = L
Starts
communication
with Grille
microcomputer.
SWVDD <- H
Pin 47
ASENBO <- H
Pin 38
Source keys
operative
500 ms
500 ms
Completes power-on operation.
(After that, proceed to each source operation)
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 500 msec, the oscillator
may be defective.
Power ON
ASENS = L
DSENS
Pin 17
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