Operational Flow Chart - Pioneer deh-30mp Service Manual

5

7.3 OPERATIONAL FLOW CHART

Power ON
VCC=5V
Pin 16, 62
bsens
Pin 19
asens
Pin 20
dsens
Pin 18
Starts
communication
with Grille
microcomputer.
SWVDD←H
Pin 7
Source keys
operative
Source ON
SYSPW←H
Pin 48
Completes power-on operation.
(After that, proceed to each source operation)
5
6
bsens=L (B. UP ON)
asens=L (ACC ON)
dsens=L (DETACH ON)
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-30MP/XU/EW
6
7
300ms
7
8
A
B
C
D
E
F
65
8