BDP-94HD
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3. BASIC ITEMS FOR SERVICE
3.1 CHECK POINTS AFTER SERVICING
To ensure the quality of the product after repair, check the recommended items shown below:
See the table below for the items to be checked regarding video and audio:
Item to be checked regarding video
Item to be checked regarding audio
Block noise
Distortion
Horizontal noise
Noise
Dot noise
Volume too low
Disturbed image (video jumpiness)
Volume too high
Too dark
Volume fluctuating
Too bright
Sound interrupted
Mottled color
Color disappearance
No.
Procedures
Item to be checked
1
Check the version of the firmware in Service mode.
The version must be the latest.
If the version is not the latest, update the firmware.
2
Check if all the symptoms pointed out by the customer have been
addressed. If a symptom pointed out by the customer is
attributable to a particular disc, that disc must be played back.
The symptoms in question must not be reproduced.
Video, audio, and operations must be normal.
3
Measure playback error rates at the innermost and outermost
tracks, by playing back the following discs:
BD-ROM test disc (GGV1308)
DVD test disc (GGV1025)
The error rates must be 1.0e-3 or less.
This procedure can determine if the drive is degraded.
4
Check playback of a CD disc (track search).
Audio and operations, such as a search, must be normal.
5
Check playback of a DVD disc (menu operations, title/chapter
search).
Video, audio, and operations, such as a search, must be normal.
6
Check playback of a BD disc (menu operations, title/chapter
search).
Video, audio, and operations, such as a search, must be normal.
7
Check the cabinet.
Check for any scratches or dirt that have been made or attached
on the cabinet after receiving the product for repair.
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
