Operational Flow Chart - Pioneer DEH-3730MP Service Manual

1

7.3 OPERATIONAL FLOW CHART

A
Power ON
B
bsens
Pin 64
asens
Pin 63
C
swvdd←L
Pin 21
D
Source keys
operative
Source ON
E
SYSPW←H
Pin 43
Completes power-on operation.(After that, proceed to each source operation.)
F
62
1
2
AVREF1, VDD, AVDD=5V
Pin 7, 68, 74, 75
bsens=L
asens=L
Starts communication with Grille microcomputer.
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-3730MP/XN/EW
2
3
300ms
3
4
4