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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.
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 [UPD OK] appears in the FL displays.
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] appears in the FL display.
After checking it, turn the power off.
8
After checking and making repairs, upgrade the firmware to the
latest version.
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.
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).
Make sure that [CLR] appears in the FL display.
After checking it, turn the power off.
10
When replacing of RAM drive, transfer [9] [5] in the service
mode setting to delete Laser used time.
Make sure that [CLR] 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-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB