Operational Flow Chart - Pioneer DEH-P8600MP Service Manual

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7.3 OPERATIONAL FLOW CHART

QQ
3 7 63 1515 0
ASENBO←H
TE
L 13942296513
communication
microcomputer.
Source keys
operative
Completes power-on operation.
(After that, proceed to each source operation)
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Power ON
VCC=5V
Pin 14,60
bsens
Pin 73
bsens=L
asens
Pin 72
asens=L
dsens
Pin 91
1.5V < DSENS < 4.5V
Pin 80
Starts
with Grille
SWVDD←H
Pin 38
Source ON
SYSPW←H
Pin 1
x ao
y
i
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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.
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DEH-P860MP/XN/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
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