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11.3. 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
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
After checking and making repairs, upgrade the firmware to the
latest version.
9
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).
10
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
Contents
Picture
Block noise
Crosscut noise
Dot noise
Picture disruption
Not bright enough
Too bright
Flickering color
Color fading
Procedure
Check
43
DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB
Item to Check
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.
*Panasonic DVD-RAM disc should be used when recording and
playback.
No abnormality should be seen in the picture, sound or
operation.
Make sure that [UPD OK] appears in the FL displays.
Make sure that [CLR] appears in the FL display.
After checking it, turn the power off.
Make sure that [UPD OK] 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] appears in the FL display.
After checking it, turn the power off.
Make sure that [CLR] appears in the FL display.
After that, turn power off.
Item
Contents
Sound
Distorted sound
Noise (static, background noise, etc.)
The sound level is too low.
The sound level is too high.
The sound level changes.
Check
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