Basic Items For Service; Check Points After Servicing - Pioneer DV-49AV Service Manual

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3. BASIC ITEMS FOR SERVICE

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3.1 CHECK POINTS AFTER SERVICING

A Check points after servicing (DVD player)
To keep the product quality after servicing, confirm recommended check points shown below.
No.
1 Confirm the firmware version on Service Mode.
Confirm whether the customer complain has been solved.
2
If the customer complain occurs with the specific disc,
use it for the operation check.
Confirm playback error rates at the innermost and
B
3 outermost tracks by using the following disc.
DVD test disc (GGV1025)
Play back a DVD.
4
(Menu operation, Title/chapter search)
Play back a DVD.
5
(Menu operation, Title/chapter search)
6 Check the appearance of the product.
See the table below for the items to be checked regarding video and audio:
C
Items to be checked regarding video
Block noise
Horizontal noise
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L 13942296513
Dot noise
Disturbed image (video jumpiness)
Too dark
Too bright
D
Mottled color
Cleaning
• Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools:
Position to be cleaned Position to be cleaned Position to be cleaned
E
Pickup lenses
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Procedure
Cleaning tools Cleaning tools Cleaning tools
Cleaning liquid : GEM1004
Cleaning paper : GED-008
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The version of the firmware must be latest.
Update firmware to the latest one, if it is not the latest.
The customer complain must not be reappeared.
Video, audio and operations must be normal.
The error rates must be less than 5.0e-4.
Audio and operations must be normal.
Video, audio and operations must be normal.
No scratches or dirt on its appearance after receiving it
for service.
Item to be checked regarding audio
Distortion
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Noise
3 6 7 1 3
Volume too low
Volume too high
Volume fluctuating
Sound interrupted
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DV-49AV
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4
2 9 9 4 2 8
Check points
1 5 0 5 8 2 9 9 4
Remarks Remarks Remarks
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