Standard Inspection Specifications After Making Repairs - Panasonic DMR-BS785EG 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 Model with the HDD: Perform self-recording and playback for one
minute using the HDD.
5 Perform copy a program to disc and playback for one minute using
the BD-RE (V2.0) and RAM discs.
6 If a problem is caused by a VCD, DVD-R, DVD-Video, Audio-CD, or
MP3, playback the test disc.
7 Models with SD Card Slot or DV Input Jack or USB Input Jack: In
case of that the trouble is caused by SD card and/or DV terminal
and / or USB 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.
No abnormality should be seen in the picture, sound or operation.
*Panasonic BD-RE (V2.0) and DVD-RAM discs should be used
when copying and playback.
No abnormality should be seen in the picture, sound or operation.
Models with SD Card or DV Input Jack;
1) SD Card: Check to be able to display and copy the picture.
2) DV terminal: Check to be able to record from DVC.
3) USB terminal: Check to be able to display and copy the picture.
Do not turn the power off until writing is complete (The tray automat-
ically opens when writing is complete.).
"NoUPDATE" message indicates that updating the version is not
necessary since the version is the latest or the same one.
Make sure that [CLR] appears in the LCD 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.
59
Item to Check
Contents Check