Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic LCD TX-L50B6E TX-L50B6E

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         Confidential

For NSC's Only           For Authorised Service Agents Only                                                 Ref No: MQM0103OH290513REV2


         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           05.06.2013
AND     BY               D        F                 GR        IS  M                MNE                PL        SLO                     Country Reported
 B      CH               DK       FIN                H        L  MC                N                  RO        SRB                            EU
Product Category:                    LCD Television

Subject:                             Backlight LD module repair of LCD LED panel,
                                     Backlight performance improvement
Model(s) Affected:                   TX-L50B6B
                                     TX-L50B6E


Symptom /                      TV has no picture and sound, sometimes LED flashes 3 times
                                LCD panel .... root cause is noisy signal on the gate of Back Light transistors causes
Cause:
                                overheating and transisitor damage

Remedy /          1- Exchange Transistors Q9804 and Q9802, both P/N: B1CFRM000028 on the LD board (P/N: TXNLD1ZPUE)
                  2- Exchange two capacitors C9807 & C9812 from value 1nF to 2,2nF (F1J1H102A909 => F1J1H222A911)
Method:
                  3- For unreliable LD board operation (appearance) when doing repair, please exchange whole LD PCB - P/N: TXNLD1ZPUE
                  4- Additionally flash the TV with latest SW version 3.005 onwards


        Note:     When having above models on service for any other reason, kindly flash the TV with sLD8 chipset SW version 3.005
                  Get the SW from PanaNet. This modification applies to all units prior to: N*-3330003

        TV Rear view
                                                                                                               Service Spare Partkit Number:
                                                                                                               TZS9EK098
                               LD TXNLD1ZPUE
                                                                                                               INCLUDES:
                                                                                                               Transistor - B1CFRM000028 - 2pcs
                                                                                                               Capacitor - F1J1H222A911 - 2pcs




                                                                                  LD TXNLD1ZPUE foil side




                                                                                              C9807                       Q9804


      SW flash method for SDDL.SEC (secured SW Peaks flash)
                                                                                                                                        Q9802
 1- prepare empty USB memory key or stick                                                    C9812
      formatted to FAT32 (!)
 2- put the unzziped content = SDDL.SEC (Peaks SW)
      file into USB memory root
 3- insert USB flash stick with SDDL.SEC file into operating TV
      and follow the instruction on the screen...




             Warranty Claims - Please use the following IRIS and Activity codes
        Activity Codes:            Guarantee Code                Activity           Location          Stock Indicator
              (UK Only)                  A                         R                   W                     D
                                                    Symptom                     Section                         Defect
                       Condition                                                                                                  Repair
IRIS Codes:                             Area          Type      Code        Area       Code            Area           Code
                          6               1              1      11F           3          VPD               2          N             i
Note: Failure to use the correct IRIS and Activity codes may result in the claim being rejected

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

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