lg 42lh3000 switching on and off by itself

Discussion in 'LG TVs Forum' started by gas mark, Sep 8, 2012.

  1. gas mark

    gas mark
    Novice Member

    Sep 6, 2012
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    hi have a lg 42lh3000 not long out of warranty typical, :eek: it started turning on and off by its self i took it apart blew the dust out of it and it stopped but now it has changed its fault, its new thing is when i press a button no matter if on remote or on the set it switches off and back on again dam thing.:suicide:

    so far i have changed the power supply unit but still the same problem i seem to be thinking its a software thing but unsure should i change the main board is the question

    anyone with any ideas :lesson:

    thanks in advance:thumbsup:

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