Operational Flow Chart - Pioneer FH-P5000MP Service Manual

5

7.3 OPERATIONAL FLOW CHART

QQ
3 7 63 1515 0
Power ON
VCC=5V
14,60pin
BSENS
73pin
ASENS
72pin
ASENBO
80pin
Starts communication
with Grille
TE
microcomputer.
L 13942296513
SWVDD
38pin
Source keys
operative
Source
SYSPW
Completes power-on operation.(After that, proceed to each source operation.)
www
.
5
http://www.xiaoyu163.com
BSENS=L
ASENS=L
H
L
ON
H
1pin
x ao
y
i
http://www.xiaoyu163.com
6
8
Q Q
3 6 7 1 3
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.
u163
.
FH-P5000MP/XM/UC
6
7
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
99
8