DEH-P700BT/XN/UC
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5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Vcc1 = 5 V
Pin 14
BSENS
Pin 73
ASENS
Pin 72
DSENS
Pin 58
ASENBO <- H
Pin 80
BSENS = L
DSENS = L
Starts
communication
with Grille
microcomputer.
SYSPW <- H
Pin 1
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
CSENS
Pin 91
-
2 V < CSENS < 3 V
2 V < CSENS < 3 V
Last source returns.
CD loading functions are available.
Keys except for EJECT key are not available.
ASENS = L
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TEL 13942296513 QQ 376315150 892498299