Standard Inspection Specifications After Making Repairs - Panasonic DMR-EX93CEG Service Manual

10.3. 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 Model with the HDD: Perform auto recording and playback for one
minute using the HDD.
6 If a problem is caused by a VCD, DVD-R, DVD-Video, Audio-CD,
MP3 or WMA (EH63/635 only), playback the test disc.
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.
8 After checking and making repairs, upgrade the firmware to the lat-
est 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).
Use the following checklist to establish the judgement criteria for the picture and sound.
Item
Block noise
Crosscut noise
Dot noise
Picture
Picture disruption
Not bright enough
Too bright
Flickering color
Color fading
Procedure
Contents
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.
No abnormality should be seen in the picture, sound or operation.
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.
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.
Make sure that [CLR] appears in the FL display.
After checking it, turn the power off.
Check Item
Distorted sound
Noise (static, background noise, etc.)
The sound level is too low.
Sound
The sound level is too high.
The sound level changes.
50
Item to Check
Contents Check