DEH-4090MP/XN/ID
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5. DIAGNOSIS
5.1 OPERATIONAL FLOWCHART
Vcc = 5 V
Pin14
BSENS
Pin16
ASENS
Pin73
DSENS
Pin9
ASENBO<-H
Pin38
BSENS = L
DSENS = L
Starts
communication
with Grille
microcomputer.
SYSPW<-H
Pin46
300 ms
300 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 300 msec, the oscillator
may be defective.
Power ON
CSENS
Pin91
-
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
