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PANASONIC VIERA TH42PV30 TURNITSELF OFF AND FLASHS RED CANNOT TURN THE UNIT BACK ON AGAIN ??? PRESS THE ON BUTTON AND THE RED LIGHT FLASHES AND THEN THE UNIT TURNS ITSELF OFF

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  • agray294 Nov 10, 2008

    My Viera TH42PV30 PLASMA TV WILL NOT TURN ON AT THE SET. THE STANDBY LIGHT COMES ON AND THE TELEVISION SOUNDS LIKE IT WILL START AND THEN SWITCHES ITSELF OFF.THE LIGHT STOPS FLASHING AT 13 FLASHES REMAINS SOLID FOR A PERIOD AND FLASHES AGAIN STOPPING ON 13 AND THEN CONTINUES THE SAME PROCESS AGAIN AND AGAIN. THE FLASHING RED LIGHT IS A CODE INDICATING THE PROBLEM I THINK ??? CAN YOU PLEASE HELP SOLVE THE PROBLEM

  • agray294 Nov 11, 2008

    i GUESS I WAS HOPING FOR MORE THAN TO RECEIVE THE INEVITABLE MESSAGE TO TAKE THE UNIT TO THE REPAIR MAN

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  • Panasonic Master
  • 19,396 Answers

The TV is in protect mode.

Try unplugging power cord for ten minutes or so, and see if this help.

If the TV does not restart, then try unplugging for longer.

If still no luck then that means that there is an internal fault, let me know if you get the led blinking a number of times, or if there is an error code message on the TV display.

Posted on Nov 11, 2008

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  • Expert
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A 13 blink error is usually a communication error, meaning the data between the internal computers is not being transferred or read properly. The most common cause of this is a bad A board.

Posted on Nov 11, 2008

  • Any Guy
    Any Guy Nov 11, 2008

    If you plan on trying to get an A board and replace itself be aware. there are DANGEROUS VOLTAGES inside thr tv which can cause injury or death. Use extreme care when opening the TV, unplug it before service and let it sit for at least 30 minutes before attempting service

  • Any Guy
    Any Guy Nov 11, 2008

    Emissionwhiz, you are wrong, this error has nothing to do with the power supply, it is a communication error, please restrict your comments to your area of expertise.

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  • Panasonic Master
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YOU WILL FIND THAT THE HIGH VOLTAGE CIRCUIT BOARD HAS FAILED, THIS IS WHY IT SHUTS OFF, THE BOARD IS SHORTED, THE COST TO REPAIR THIS WILL ALMOST EXCEED THE COST OF A NEW LCD TV, IF YOU FIX IT THEN IT WILL MOST LIKELY WORK FOR ANOTHER YEAR OR SO AND FAIL AGAIN, DO YOURSELF A FAVOR AND REPLACE IT, THE NEW SETS ARE CHEAP AND GREAT QUALITY.

Posted on Nov 11, 2008

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  • Master
  • 6,966 Answers

Hi,

Offhand, the flashing indicates that the unit has switched to protection mode. On some models, the number and sequence of flashes indicates the general area of the fault and where initial diagnosis can begin. Eventually the unit has to be opened up for a look and see. This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

Incidentally, in the hope that this is a simple glitch, perhaps you can try unplugging from the mains and removing all connectors. After an extended period, reconnect and verify connections and try again.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Posted on Nov 10, 2008

  • Louie  Role
    Louie Role Nov 11, 2008

    Hi again,

    I understand. When I posted, the info re 13 blinks was not yet available and therefore the proposed solution was based on your initial posting.

    Nonetheless, please be informed that there are others who posted solutions to your concern after you posted back with the 13 blinks information. If you are unable to view them and with their kind indulgence, I will post below their comments:

    mistersony
    "A 13 blink error is usually a communication error, meaning the data between the internal computers is not being transferred or read properly. The most common cause of this is a bad A board.
    If you plan on trying to get an A board and replace itself be aware. there are DANGEROUS VOLTAGES inside thr tv which can cause injury or death. Use extreme care when opening the TV, unplug it before service and let it sit for at least 30 minutes before attempting service"


    emissionwiz
    "you will find that the high voltage circuit board has failed, this is why it shuts off, the board is shorted, the cost to repair this will almost exceed the cost of a new lcd tv, if you fix it then it will most likely work for another year or so and fail again, do yourself a favor and replace it, the new sets are cheap and great quality."

    Cheer.


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  • Master
  • 449 Answers

Hi!!!

try to open it and then locate the power
and then clean it
may there is something stuck on the power!!

Posted on Nov 10, 2008

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