Operational Flow Chart - Pioneer DEH-P520 Service Manual

DEH-P520,P5200,P5250
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7.3 OPERATIONAL FLOW CHART

Power ON
VDD=5V
19pin
bsens
93pin
L
asens
92pin
L
dsens
2pin
TE
L 13942296513
L
adpw←H
22pin
swvdd←L
1pin
Source keys
operative
Source ON
YES
www
SYSPW←H
21pin
.
To each source's flow chart
66
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Starts communication with Grille microcomputer.
300ms
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.
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8
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3 6 7 1 3 1 5
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9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
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