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Phillips 24PW6006 high pitched squealing sound?

Discussion in 'Televisions' started by jammers, May 2, 2005.

  1. jammers

    jammers
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    Hi,
    I'm getting a random high pitched squealing sound on my set, it doesn't come from the speakers as i still get it when the sound is routed through my AV system.
    Any ideas??
    cheers
    James :)
     
  2. JayCee

    JayCee
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    It's probably coming from a coil or transformer whose windings or core is loose and vibrating........ideally you should call in an engineer to have a look.
    It won't really do any long-term damage but the noise can be irritating.
     
  3. Garfield

    Garfield
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    I had something similar in my EVO - then I noticed the squeal wasn't there if I left the wife at home .....

    Seriously though my old Philips does it from time to time never found out why, if I turn it off for 5 mins and back on the noise is gone, maybe humidity or temperature related who knows. Set still going strong and 7 years old, what is even more strange is that it hasn't made the noise once since being put in the bedroom. Could it be related to grounds between the different stuff connected to it I sometimes wonder.
     
  4. JayCee

    JayCee
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    No, you have moved it and simply disturbed the vibrating coil or transformer, sometimes flexing the circuit board is enough to cure these things.
     
  5. jammers

    jammers
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    cheers guys,
    i have banged it and kicked it and still can't get rid of it ... oh well i'll have to drop it into an engineer .... how much will a new coil / transformer cost?
    James :cool:
     
  6. JayCee

    JayCee
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    I couldn't quote without knowing what the faulty part is......it could be the chopper transformer, line output transformer, line linea :thumbsup: raity coil etc.
    If it is just a coil or choke vibrating sometimes a permanent cure can be done by sealing the windings using hot-melt or even superglue.
    Best to call in an engineer.
    Good luck.
     
  7. jammers

    jammers
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    cheers fro all helps .... dropped it into an engineer!!!
    James
     

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