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11.4. (DVD) Standard Inspection Specifications after Making Repairs
After making repairs, we recommend performing the following inspection, to check normal operation.
Use the following checklist to establish the judgement criteria for the picture and sound.
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.
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 lat-
est version.
Make sure that [FIRM_SUCCESS] appears in the FL displays.
*[UNFORMAT] 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 S] 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 1] appears in the FL display.
After that, turn power off.
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
Summary of Contents for DMR-ES40VP
Page 9: ...9 4 Specifications ...
Page 11: ...11 6 Location of Controls and Components 6 1 Each Buttons ...
Page 12: ...12 ...
Page 39: ...39 11 1 2 Checking and Repairing of Main P C B ...
Page 40: ...40 11 1 3 Checking and Repairing of Digital P C B ...
Page 41: ...41 11 1 4 Checking and DVD RAM Drive ...
Page 102: ...S 51 ...
Page 111: ...S 60 ...
Page 112: ...S 61 ...
Page 113: ...S 62 ...
Page 114: ...S 63 ...
Page 115: ...S 64 ...
Page 116: ...S 65 ...
Page 117: ...S 66 ...
Page 119: ...S 68 ...