Standard Inspection Specifications After Making Repairs - Panasonic DMR-E53EG Service Manual

13 Standard Inspection Specifications after
Making Repairs
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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 Enter the EE (TU IN / AV IN - AV OUT) mode.
4 Perform auto recording and playback for one
minute using the RAM disc.
5 If a problem is caused by a 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).
8 When replacing of RAM drive, transfer [9] [5] in
the service mode setting to delete Laser used time.
Use the following checklist to establish the judgement criteria for the picture and sound.
Item
Picture
Procedure
Contents Check
Block noise
Crosscut noise
Dot noise
Picture disruption
Not bright enough
Too bright
Flickering color
Color fading
Items pointed out should reappear.
The Panasonic RAM disc should be recognized.
No abnormality should be seen in the picture, sound or operation.
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 [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.
Make sure that [CLR SERV] appears in the FL display.
After checking it, turn the power off.
Make sure that [CLR LASER] appears in the FL display.
After that, turn power off.
Item Contents
Distorted sound
Noise (static, background noise, etc.)
Sound
The sound level is too low.
The sound level is too high.
The sound level changes.
Item to Check
Check