Question about Panasonic TH-50PX60U 50 in. Plasma HDTV

3 Answers

No audio or video but LED blinks 5 times

Repair shop said "defective PCB module". I have replaced P board, D board and P-A board (in that order with no change in number of blinks) on recommendation of repair manual (noticed some minor design differences on P-A and D boards.

Replaced boards with brand new boards from a TV with broken screen. Used ESD precautions.

Can hear relay energize when 1st plugged in.

What next???

Thanks,

Jeff

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3 Answers

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This is the link to help you with a to z diagrams.have you connected the board perfectly you can look into it each and every part description in brief with exact knowledge.you can fix any type of problem you are facing.your problem is mentioned between pages 40-49, but i will suggest you to refer from page 1 to know about each and every part.
http://www.pasctraining.panasonic.com/pass/elearn/files/Plasma/9th_Generation_Plasma_Display_TV.pdf
you have to check
sos line----sos-5, line monitored---- 5v, problem occurs--- 5 blinks

pls do not forget to rate the solution as "FIXYA" SIR

feel free 4 further assistance n keep sending more question n comments or doubts that arise in ur mind regarding this to me.rate the solution as fixya if it helps u understand n solve ur problem
wish u success .bye.

Posted on Jul 01, 2008

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Did take the same model board from other TV ,some different tv model is not compatible with tv's they differ make and model , you need same model board in order to work on your tv..

Certainly, I can help you. I would recommend going to the following link and getting the service manual so he can see first hand disassembly instructions and testing proceedures. Its only 10.99 and they email it to you shortly after purchase. The manual is a valuable resource as it will have part numbers in case you do need a new KD board. heres the link.
http://servicemanuals.vstore.ca/

Posted on Jul 01, 2008

  • Anand Kumar
    Anand Kumar Jul 01, 2008

    When it shuts off. Try doing what's called a self-diagnostic test.
    As soon as the television shuts try these steps.

    Pressing on the front panel's ?INPUT? and ?MENU? buttons at the same time, and holding for 5 seconds,
    activates the Self Diagnostic Code Mode. The LED flashes denoting a two digit Error Code, or indicating no problem
    has occured since the last Initalization.

    Please do Note: The front panel buttons must be used, NOT those on the Remote Control.

    ? The number of flashes indicates the value of the MSD (tens digit) of the Error Code.
    ? The flashing then pauses for approximately 1/2 second.
    ? The LED then flashes indicating the value of the LSD (ones digit) of the Error Code.
    ? The Error Code is repeated a total of 5 times.
    Example: If the Error Code is ?24?, the LED will flash two times, pause, and then flash four
    times.

    The Error Code designations indicating a malfunction, or no malfunction, are listed below:
    Self Diagnosic Code Description
    1 - 2 = no error detected
    2 - 1 = X-ray protect (high voltage or beam current)
    2 - 2 = Short protect (short protect monitors low voltage supplies)
    2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection)
    2 - 4 = Vertical protect (usually loss of vertical from the source).

    Good luck.........


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Does the unit start or what?

does the unit start fully and shut off??

BTW what was the blinks pattern??

Posted on Jul 01, 2008

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