Operational Flow Chart; Cleaning - Pioneer DEH-P850MP Service Manual

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3 7 63 1515 0

7.3 OPERATIONAL FLOW CHART

TE
L 13942296513
Completes power-on operation.
(After that, proceed to each source operation)

7.4 CLEANING

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Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools:
Portions to be cleaned
.
CD pickup lenses
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Power ON
VCC=5V
Pin 16/17/62/99
bsens
Pin 73
bsens=L
asens
Pin 74
asens=L
ASENBO←H
Pin 82
Starts
communication
with Grille
microcomputer.
SWVDD←H
Pin 40 (OEL)
Pin 79 (LCD)
Source keys
operative
Source ON
SYSPW←H
Pin 23
x ao
y
Cleaning tools
i
Cleaning liquid : GEM1004
Cleaning paper : GED-008
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DEH-P840MP,P8400MP,P8450MP
8
300ms
Q Q
3 6 7 1 3
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 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
93