Panasonic DMP-B200P / DMP-B200PC Service Manual ▷ View online
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10 Measurements and Adjustments
10.1. Service Positions
Note:
For description of the disassembling procedure, see the section 9.
10.1.1. Checking and Repairing of Main P.C.B. (1)
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10.1.2. Checking and Repairing of Main P.C.B. (2)
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10.1.3. Adjustment Value Initialization Adjustment when exchange the Traverse or Main
P.C.B.
Refer to “9. Disassembly and Assembly Instructions” for details of disassembly and assembly.
10.3. Adjustment Instruction when Exchange the Traverse or Main P.C.B. (Adjustment Value Initialization Adjustment)
10.3. Adjustment Instruction when Exchange the Traverse or Main P.C.B. (Adjustment Value Initialization Adjustment)
1. Connect the serial cable (RFKZ0139) to the main P.C.B. (P51601).
2. Fix the traverse unit from the bottom with thirteen screws.
2. Fix the traverse unit from the bottom with thirteen screws.
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10.2. Caution for Replacing Parts
10.2.1. Items that should be done after replacing parts
Note 1:
Download latest Firmware and burn it on CD-R or CD-RW, and update Firmware.
10.2.2. 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.
4
Perform 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.
*Panasonic DVD-RAM disc should be used when recording and
playback.
5
Perform playback for one minute using the BD-Video disc.
No abnormality should be seen in the picture, sound or operation.
6
If a problem is caused by a BD-Video disc, VCD, DVD-R,
DVD-Video, Audio-CD, or MP3, playback the test disc.
DVD-Video, Audio-CD, or MP3, playback the test disc.
No abnormality should be seen in the picture, sound or operation.
7
After checking and making repairs, upgrade the firmware to the
latest version.
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.
*[UNSUPPORT] display means the unit is already updated to
newest same version. Then version up is not necessary.
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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).
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.
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 colour
Colour fading
Flickering colour
Colour fading
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