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req advice: problem with philips TV

Discussion in 'Misc Electronics' started by tg, Sep 29, 2011.

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  1. tg

    tg Guest

    Philips TV 26PF5512D
    I know this is a long shot but maybe someone out there is familiar with this
    tv and knows why it freezes up. Here are some pics to go by:
    The problem occurrs when using the digital freeview channels - the TV
    sometimes freezes up and won't respond to the remote control. It happens
    often when I'm going through the program list for digital freeview.(second
    picture down at the above link). Sometimes as I go up and down the program
    list the TV will suddenly freeze up, nothing works on the remote control
    except the off button and I have to switch the TV off. It takes about a
    minute for the tv to come back on properly. If I wait a whole minute things
    are usually ok again, but if I try to rush it and switch on before then it's
    still problematic and won't display an image - I get a black screen,
    sometimes with audio, sometimes not. I can't reproduce this problem at will,
    it's random. Sometimes the TV is ok and other times it will freeze up. Does
    anyone know where the problem might lie and which component I should replace
    to cure this?
  2. N_Cook

    N_Cook Guest

    Bypass the internal freeview and feed in from an external set-top box? if
    you can live with that
  3. Sylvia Else

    Sylvia Else Guest

    Without claiming any sort of expertise on this, I'd have to suspect that
    the big GENESIS display chip is freezing, which in turn could be due to
    noise on the power supply line. Failing decoupling capacitors?

  4. tg

    tg Guest

    Bypass the internal freeview and feed in from an external set-top box? if
    yes I can live with that no problem but I have elderly mother who can't.
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