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Thread: Phillips lcd problem

  1. #1
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    Thumbs up Phillips lcd problem

    I have a Phillips LCD 20" TV some time ago the picture went and then the sound can any one tell me what the problem mite be and what i have to do to fix it.

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    Re: Phillips lcd problem

    If it is not in warranty buying a replacement would seem the thing to do. You have provided no information what would allow for any diagnostics, or even what exact model the TV is. The back light could have failed, which is why you can't see anything if however the sound has gone too, unless there are some handy fuses to replace, it sounds like replacement right option.
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    Re: Phillips lcd problem

    Could be any one of a number of things. Picture failing could be failure of the backlight, or more likely, the backlight pwer invertor. Loss of sound could be failure of the sound amplifier, (if the rest of the TV is working nrmally - but difficult to tell with no pictre) or failure of the man PSU.

    Reapir - probably best taking it to a specialist repairere. Unless you are handuy wth a soldering ron, and have some knowledge of TV technology and electronics (which f yu had, you wouldnt be posting here ) you are unlikley to be able to do anything.

    I am assuming that you have checked the obvious things like the aerial, and whether it works with an external AV signal from (say) a DVD player?
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    Question Re: Phillips lcd problem

    Back light still works, the power light gos on and of. I got this tv not working and the person i got it off said that the picture went first the the sound, but likr i said the back light still works.

    Model no: 20PF4121/05

    It is about 5-6 yrs old

    Thank you for your help.

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    Re: Phillips lcd problem

    Quote Originally Posted by peterb View Post
    Could be any one of a number of things. Picture failing could be failure of the backlight, or more likely, the backlight pwer invertor. Loss of sound could be failure of the sound amplifier, (if the rest of the TV is working nrmally - but difficult to tell with no pictre) or failure of the man PSU.

    Reapir - probably best taking it to a specialist repairere. Unless you are handuy wth a soldering ron, and have some knowledge of TV technology and electronics (which f yu had, you wouldnt be posting here ) you are unlikley to be able to do anything.

    I am assuming that you have checked the obvious things like the aerial, and whether it works with an external AV signal from (say) a DVD player?
    Yes i have, back light dos work still.

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