Basic Items For Service; Check Points After Servicing - Pioneer AVH-P4150DVD Service Manual

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3. BASIC ITEMS FOR SERVICE

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3.1 CHECK POINTS AFTER SERVICING

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To keep the product quality after servicing, please confirm following check points.
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2 Flap-mecha
3 DVD
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4 DVD
5 CD
6 FM/AM tuner
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See the table below for the items to be checked regarding video and audio:
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Procedures
Confirm whether the customer complain has
been solved.
If the customer complain occurs with the
specific media, use it for the operation check.
Check the operation of the flap mechanism.
Measure playback error rates at the
innermost and outermost tracks by using the
test mode with the following disc.
DVD test disc (TDV-582)
Play back a DVD.
(Menu operation; Title/chapter search)
Play back a CD.
(Track search)
Check FM/AM tuner action.
(Seek, Preset)
Switch band to check both FM and AM.
Check whether no disc is inside the product. The media used for the operating check must
Appearance check
Item to be checked regarding video
Block-noise
Horizontal noise
Dot noise
Disturbed image (video jumpiness)
Too dark
Too bright
Mottled color
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Check points
The customer complain must not be
reappeared.
Display, video, audio and operations must be
normal.
The flap mechanism operation must be
smooth without making the noise and
scratches.
Deterioration of mecha-drive can be checked.
The error rate must be less than the
threshold value.
(Refer to the chapter of DIAGNOSIS for the
threshold value.)
Display, video, audio and operations must be
normal.
Display, audio and operations must be
normal.
Display, audio and operations must be
normal. * If the reception sensitivity is poorer
than normal, the gasket on the FM/AM tuner
unit may be damaged or lost.
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be ejected.
No scratches or dirt on its appearance after
receiving it for service.
Item to be checked regarding audio
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
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