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5
7.3 OPERATIONAL FLOW CHART
QQ
3 7 63 1515 0
Power ON
ASENBO←H
Pin 80
TE
L 13942296513
communication
with Grille
microcomputer.
SWVDD←H
Pin 38
Source keys
operative
Source ON
SYSPW←H
Pin 1
Completes power-on operation.
(After that, proceed to each source operation)
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.
5
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VCC = 5 V
Pin 14
bsens
Pin 73
bsens = L
asens
Pin 72
asens = L
dsens
Pin 91
dsens = L
Starts
x
ao
y
i
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6
8
Q Q
3
6 7
1 3
500 ms
500 ms
In case of the above signal, the communication
with Grille microcomputer may fail.
If the time interval is not 500 msec, the oscillator
may be defective.
u163
.
DEH-P75BT/XN/EW5
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
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