45
10.3. 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.
*Panasonic DVD-RAM disc should be used when recording and
playback.
5
Model with the HDD: Perform auto recording and playback for one
minute using the HDD.
No abnormality should be seen in the picture, sound or operation.
6
If a problem is caused by a VCD, DVD-R, DVD-Video, Audio-CD,
MP3 or WMA (Except EH49A), playback the test disc.
No abnormality should be seen in the picture, sound or operation.
7
Models with USB Input Jack or DV Input Jack: In case of that the
trouble is caused by USB terminal and/or DV terminal.
Models with USB Input Jack or DV Input Jack;
1) USB terminal: Check to be able to display and copy the picture.
2) DV terminal: Check to be able to record from DVC.
8
After checking and making repairs, upgrade the firmware to the lat-
est version.
Make sure that [UPD OK] appears in the FL displays.
*[UNSUPPORT] display means the unit is already updated to new-
est 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.
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-EH49ECA
Page 5: ...5 2 2 Precaution of Laser Diode ...
Page 8: ...8 3 3 Caution for DivX ...
Page 10: ...10 4 Specifications ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 14: ...14 ...
Page 40: ...40 10 1 2 Checking and Repairing of RAM Digital P C B Module ...
Page 41: ...41 10 1 3 Checking and Repairing of Main P C B ...
Page 42: ...42 10 1 4 Checking and Repairing of HDD ...
Page 43: ...43 10 2 Caution for Replacing Parts 10 2 1 Items that should be done after replacing parts ...
Page 56: ...S 11 ...
Page 70: ...S 25 ...
Page 80: ...S 35 ...
Page 85: ...S 40 ...
