Operational Flow Chart - Pioneer deh-p350 Service Manual

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7.3 OPERATIONAL FLOW CHART

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3 7 63 1515 0
Power ON
VCC=5V
Pin 14
bsens
Pin 73
BSENS=L
asens
Pin 72
ASENS=L
dsens
Pin 39
DSENS=L
ASENBO←H
Pin 80
TE
L 13942296513
csens
Pin 91
Starts
communication
with Grille
microcomputer.
SWVDD←H
Pin 38
Source keys
operative
Source ON
SYSPW←H
Pin 1
www
Completes power-on operation.
.
(After that, proceed to each source operation)
5
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6
2V < CSENS < 3V
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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2 9
8
Q Q
3 6 7 1 3 1 5
< <
- CSENS 2V, 3V CSENS
= =
Last source returns.
CD loading functions are available.
Keys except for EJECT key are not available.
co
.
DEH-P350/XM/UC
7
9 4 2 8
0 5 8 2 9 9 4 2 8
m
7
8
9 9
A
B
C
9 9
D
E
F
61
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