Panasonic DMR-EH80VEG, Руководство по обслуживанию

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19 (DVD) STANDARD INSPECTION SPECIFICATIONS AFTER
MAKING REPAIRS
After making repairs, we recommend performing the following inspection, to check normal operation.
No. Procedure Item to Check
1 Turn on the power, and confirm items pointed out. Items pointed out should reappear.
2 Insert RAM disc. The Panasonic RAM disc should be recognized.
3 Enter the EE (TU IN / AV IN - AV OUT) mode. No abnormality should be seen in the picture, sound or operation.
4 Perform auto recording and playback for one minute using
the RAM disc. No abnormality should be seen in the picture, sound or operation.
*Panasonic DVD-RAM disc should be used when recording and
playback.
5 If a problem is caused by a VCD, DVD-R, DVD-Video,
Audio-CD, or MP3, playback the test disc. No abnormality should be seen in the picture, sound or operation.
6 After checking and making repairs, upgrade the firmware to
the latest version. Make sure that [FIRM_SUCCESS] appears in the FL displays.
*[UNSUPPORT] display means the unit is already updated to newest
same version. Then version up is not necessary.
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). Make sure that [CLR SERV] appears in the FL display.
After checking it, turn the power off.
8 When replacing of RAM drive, transfer [9] [5] in the service
mode setting to delete Laser used time. Make sure that [CLR LASER] appears in the FL display.
After that, turn power off.
Use the following checklist to establish the judgement criteria for the picture and sound.
Item Contents Check Item Contents Check
Picture
Block noise
Sound
Distorted sound
Crosscut noise Noise (static, background noise, etc.)
Dot noise The sound level is too low.
Picture disruption The sound level is too high.
Not bright enough The sound level changes.
Too bright
Flickering color
Color fading
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DMR-EH80VEG / DMR-EH80VEB