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7.3 OPERATIONAL FLOW CHART
- System Control
Power ON
A
VDD=5V
Pin 9,41,58
bsens
Pin 90
bsens=L
asens
Pin 91
asens=L
dsens
BPin 92
dsens=L
ASENBO? H
Pin 29
CSENS
Pin 80- CSENS 1V<<==, 3V CSENS
Last source returns.
1V<CSENS<3V
DVD loading functions are available.
Starts Keys except for EJECT key are not available.
communication
with Grille
microcomputer.
300ms
CSWVDD? H
Pin 3
300ms
In case of the above signal, the communication
Source keys
with Grille microcomputer may fail.
operative
If the time interval is not 300msec, the oscillator
may be defective.
Source ON
SYSPW? H
Pin 31
D
Completes power-on operation.
(After that, proceed to each source operation)
154DVH-P7000R
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