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10.2. Caution for Replacing Parts
10.2.1. Items that should be done after replacing parts
Note 1:
About the details of updating firmware,please see the chapter 3.4. How to Update Firmware.
10.2.2. Standard Inspection Specifications after Making Repairs
After making repairs, we recommend performing the following inspection, to check normal operation.
No.
1
Turn on the power, and confirm items pointed out.
2
Insert RAM disc.
3
Perform playback for one minute using the RAM disc.
4
Perform playback for one minute using the BD-Video disc.
5
If a problem is caused by a BD-Video disc, VCD, DVD-R,
DVD-Video, Audio-CD, or MP3, playback the test disc.
6
After checking and making repairs, upgrade the firmware to the
latest version.
7
Transfer [9][9] in the service mode setting, and initialize the service
settings (return various settings and error information to their
default values. The laser time is not included in this initialization).
Use the following checklist to establish the judgement criteria for the picture and sound.
Item
Block noise
Crosscut noise
Dot noise
Picture disruption
Picture
Not bright enough
Too bright
Flickering colour
Colour fading
Procedure
Contents
Items pointed out should reappear.
The Panasonic RAM disc should be recognized.
No abnormality should be seen in the picture, sound or operation.
*Panasonic DVD-RAM disc should be used when recording and
playback.
No abnormality should be seen in the picture, sound or operation.
No abnormality should be seen in the picture, sound or operation.
Make sure that [FIN] appears in the TV displays.
*[NO UPD] display means the unit is already updated to
newest same version. Then version up is not necessary.
Make sure that [CLR] appears in the TV display.
After checking it, turn the power off.
Check
Item
Distorted sound
Noise (static, background noise, etc.)
The sound level is too low.
The sound level is too high.
Sound
The sound level changes.
47
Item to Check
Contents
Check
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