1
7.3 OPERATIONAL FLOW CHART
QQ
3 7 63 1515 0
A
Power ON
VDD=5V
Pin 41
bsens
Pin 93
B
asens
Pin 92
dsens
Pin 90
C
ASENBO←H
Pin 71
TE
L 13942296513
CSENS
Pin 77
D
Starts
communication
with Grille
microcomputer.
swvdd←H
Pin 1
Source keys
operative
E
Source ON
www
SYSPW←H
Pin 21
F
Completes power-on operation.
(After that, proceed to each source operation)
58
1
http://www.xiaoyu163.com
2
bsens=L
asens=L
dsens=L
2V < CSENS < 3V
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.
x
ao
.
i
2
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3
Q Q
3
6 7
<
<
- CSENS 2V, 3V CSENS
=
=
Last source returns.
CD loading functions are available.
Keys except for EJECT key are not available.
300ms
u163
y
DEH-P250/XM/UC
3
4
2 9
9 4
8
1 3
1 5
0 5
8
2 9
m
co
.
4
2 8
9 9
9 4
2 8
9 9