Operational Flow Chart - Pioneer DEH-P8200R Service Manual

7.3 OPERATIONAL FLOW CHART

Power ON
VDD=5V
41pin
BSENS
93pin
L
ASENS
92pin
L
DSENS
2pin
L
CSENS
6pin
L
ADPW←H
23pin
SWVDD←H
1pin
Source keys
operative
Source ON
YES
SYSPW←H
21pin
Completes power-on operation. (After that, proceed to each source operation.)
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.
DEH-P8200R,P8250
71