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Confidential

For Authorised Service Agents Only Ref No: MQM0114DG140114REV1


TECHNICAL INFORMATION
A BG CY E FL I LT MD NL S TR Date
AL BIH CZ EST GB IRL LV MK P SK UA 09/01/2014
AND BY D F GR IS M MNE PL SLO Country Reported
B CH DK FIN H L MC N RO SRB Europe
Product Category: Plasma TV / Plasma IDTV

Subject: In high brightness areas, yellow patches are visible.


Model(s) Affected: TX-P**VT50
TX-P**GT50
TX-P**ST50

Symptom / If the picture contains large area of white or grey, yellow stains and can be easily seen. See
Fig. 1 for an example.
Cause:

Remedy / Follow the steps below, progressing to the next step only if the discolouration still exists:
Method: 1. Change of Vsus setting; Low to High. ->If the discolouration is still clearly visible, go to step 2.
2. Change of B-DRV to "9F". ->If discolouration is still clearly visible, go to step 3.
3. Replace the panel.
Please see the following pages for a troubleshooting flow chart, B-DRV adjustment, and the appropriate IRIS Codes.




Fig. 1: Example of problem
Continued ...
Warranty Claims - Please use the following IRIS and Activity codes
Activity Codes: Guarantee Code Activity Location Stock Indicator
(UK Only) - - - -
Symptom Section Defect
Condition Repair
IRIS Codes: Area Type Code Area Code Area Code
- - - - - - - - -
Note: Failure to use the correct IRIS and Activity codes may result in the claim being rejected

Document No: MQM_TI
Panasonic 1 of 3 Rev: 12.00 DG110612
Confidential

For Authorised Service Agents Only Ref No: MQM0114DG140114REV1


TECHNICAL INFORMATION
Repair Flowchart
Yellow patches are clearly visible


Step 1: Change Vsus
Low -> High (See Service
Manual)
IRIS Codes:
Condition 1
Area 3 Activity Codes: (UK Only)
Symptom Type 2 Guarantee Code A
Are yellow
Code 326 Activity A
patches clearly No
Area 3 Location F
seen? Section
Code DDC Stock Indicator D
Area 2
Defect
Yes Code O4
Repair i
Step 2: Change setting
B-DRV to "9F" (See page 3 and
Service Manual) IRIS Codes:
Condition 1
Area 3 Activity Codes: (UK Only)
Symptom Type 2 Guarantee Code A
Are yellow Code 326 Activity A
patches clearly No
Area 3 Location F
seen? Section
Code DDC Stock Indicator D
Area 2
Defect
Code O4
Yes Repair i


Step 3: Replace the panel IRIS Codes:
Condition 1
Area 3 Activity Codes: (UK Only)
Symptom Type 2 Guarantee Code A
Code 326 Activity X
Area 3 Location F
Section
Code CRT Stock Indicator D
Area 2
Defect
Code N
Repair i




Continued ...
Warranty Claims - Please use the following IRIS and Activity codes
Activity Codes: Guarantee Code Activity Location Stock Indicator
(UK Only) - - - -
Symptom Section Defect
Condition Repair
IRIS Codes: Area Type Code Area Code Area Code
- - - - - - - - -
Note: Failure to use the correct IRIS and Activity codes may result in the claim being rejected

Document No: MQM_TI
Panasonic 2 of 3 Rev: 12.00 DG110612
Confidential

For Authorised Service Agents Only Ref No: MQM0114DG140114REV1


TECHNICAL INFORMATION
Step 2: Changing B-DRV setting




Warranty Claims - Please use the following IRIS and Activity codes
Activity Codes: Guarantee Code Activity Location Stock Indicator
(UK Only) - - - -
Symptom Section Defect
Condition Repair
IRIS Codes: Area Type Code Area Code Area Code
- - - - - - - - -
Note: Failure to use the correct IRIS and Activity codes may result in the claim being rejected

Document No: MQM_TI
Panasonic 3 of 3 Rev: 12.00 DG110612