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PANASONIC TH-P42U20Z software for firmware

Software upgrade needed for PANASONIC TH-P42U20Z

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    Verified Fixya Pro

    SOURCE: Firmware update

    We regret to inform you all firmware updates must be performed by authorized service centers.

    Posted on Apr 08, 2014


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    TH-42PX60U wont turn on. Blinks 10 times. replaced the power supply board, but the same issue.

    What I'm learning is there are several models of Panasonic TV's that have a video card that doesn't play well with HDMI applications and the end result is, you need to call this number and not only make arrangements to replace the bad board,but also this!
    Your model doesn't show below,but I'd certinly inquire about the necessity of a "Firmware" update!,,,Panasonic knows FULL WELL they have a HUGE problem here!
    Hope this helps!

    At I found the listing for the fw update under customer support-important notices

    If you own a plasma TV with model and serial number within the range specified below, please contact our toll-free VIERA Concierge hotline service at 1-866-330-0014. A VIERA product expert will arrange an in-home software update for your TV at your convenience.

    Model Numbers Serial Number Range


    TH-42PZ700U **71250001 ~ **80189999


    Jan 28, 2010 | Panasonic TH-42PX60U Television

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    Panasonic th-42pz77u has no picture.power light (red) flashes 7 times

    seven blinks on this model is the SC board. it will need a new SC board and the software update for the new board. usually only authorized servicers have the software need to do the upgrade. but if you were to contact panasonic then they might be able to have it fixed for you for free since this was a defect in manufacturing. of course this depends on how long you have had the tv.

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    TH-42PX25U cable card problem. Missing numerous HD & SD channels

    Check your signal levels from the cable company. Sounds like they're low or marginal. You may need an amplifier, if so make sure it's a bi-directional (2-way) amp. Surprised the techs that came to the house didn't check this. It's a commonm problem.

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    Panasonic th-50-px50u power indicator blink 6 times - no pic

    hello, 7 blinks means you have a fualty ss board its bad or needs service

    SS Board (SS Data Energy recovery and data driver)

    thats the fualt for 7 blinks

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    The software in the cpu of this set is damaged you must reload it to fix the problem..

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    1 Answer

    Panasonic TH-42PZ700U TV turns on then imeadilty shuts down power light blinks 7 times

    Circuit board inside is bad. You need the "SC" board replaced. This is the most common board causing the shut down with 7 blink condition. there is a firmware upgrade that needs to be done to the TV after the board is replaced to prevent this problem from happening again. Contact an authorized Panasonic repair center, they will know all about this problem. if you find a "consierge Service center" you can get two day service on this set. Must still be under warranty? this is a new model.

    Aug 02, 2008 | Panasonic Televison & Video

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