Caution For Replacing Parts - Panasonic DMR-BW500EF Service Manual

10.2. Caution for Replacing Parts

10.2.1. Items that should be done after replacing parts
* Note2:
Version up please improve in HDD exchange latest firm afterward.
10.2.2. Notice after replacing Digital P.C.B. or BD Drive
Formatting the HDD is unnecessary after replacing Digital P.C.B. or BD Drive.
[TM AV1] is displayed, once power OFF, and power ON again.
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, 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.
*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 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.
Make sure that [FIRM_SUCCESS] 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.
55
Item to Check
Contents Check