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Toshiba TV audio distortion

Discussion in 'Electronic Repair' started by Douglas C. Niedermeyer, Nov 9, 2004.

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  1. Got a 7 year old Toshiba TP50F90 50" rear projection TV with average 6-7
    hours per day use that's started distorting sound on most channels when set
    to stereo. It sounds OK when set to mono. And the sound is OK playing
    pre-recorded DVSs or VHS tapes. So my layman's guess is the problem is in
    the TV's tuner's stereo circuitry. Cable company came out and checked the
    cable and it's OK.

    Describing these symptoms to local (Atlanta) TV repair guys brings "blind"
    estimates in the $500 range to fix.

    Anything I can tackle myself? Worth fixing? Time for a new TV?

    Doug
     
  2. NSM

    NSM Guest

    | Got a 7 year old Toshiba TP50F90 50" rear projection TV with average 6-7
    | hours per day use that's started distorting sound on most channels when
    set
    | to stereo. It sounds OK when set to mono. And the sound is OK playing
    | pre-recorded DVSs or VHS tapes. So my layman's guess is the problem is in
    | the TV's tuner's stereo circuitry. Cable company came out and checked the
    | cable and it's OK.
    |
    | Describing these symptoms to local (Atlanta) TV repair guys brings "blind"
    | estimates in the $500 range to fix.
    |
    | Anything I can tackle myself? Worth fixing? Time for a new TV?

    Keep shopping for a good tech. Ask friends and neighbours. Avoid the low
    ball guys however, who will run the bill up after they start.

    N
     
  3. Art

    Art Guest

    Possible the audio processor within the mts assembly. If I remember it looks
    like another tuner assembly.
     

  4. Thanks for the responses. Anyone else have any thoughts on this?

    Doug
     
  5. john

    john Guest

    SBX module inside the Audio Module.
    kip
     
  6. dx375

    dx375 Guest

    Doug,
    Toshiba replaced part of my audio circuit for the same set when it was
    under warranty.
    The tech did note that there was a design flaw that Toshiba was aware of
    and that it had to do with some of the wiring being to close to the (a)
    highvoltage part of the set.
    They replaced the part(s) and re-routed the affected wiring.
    Cheers Dave
     
  7. dx375

    dx375 Guest

    Doug,
    Toshiba replaced part of my audio circuit for the same set when it was
    under warranty.
    The tech did note that there was a design flaw that Toshiba was aware of
    and that it had to do with some of the wiring being to close to the (a)
    highvoltage part of the set.
    They replaced the part(s) and re-routed the affected wiring.
    Cheers Dave
     
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