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Magnavox/Philips 19PR14-C222 TV sync issue

Discussion in 'Electronic Repair' started by John Keiser, Mar 26, 2007.

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  1. John Keiser

    John Keiser Guest

    This old TV works fine in my kitchen. Recently it has failed to "sync" when
    initially turned on. Sound is fine. Syncs when warm, after 5 minutes or
    so. All the solder joints "look" nice. Not responsive to pressure on
    components or the main board. "Chill Out" didn't find the right component.
    Can anyone point me to a schematice that might help or give me a better idea
    exactly which specific component is likely to be going bad/badly connected?
    Thank you.
  2. Sofie

    Sofie Guest

    What is the chassis number listed near the model number?? Certain
    chassis designs were subject to the symptom you described as a result of a
    dried up or faulty filter electrolytic near the VR... usually 100u @ 200V.
    Daniel Sofie
    Electronics Supply & Repair
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  3. John Keiser

    John Keiser Guest

    Chassis No. is 19X618-00AA
    Is that likley one of the involved models?
    Thank you.
  4. John Keiser

    John Keiser Guest

    I'm sure I can spot a 100u capacitor ...but I'm drawing a blank at the term
    "VR".... could you elucidate?
  5. John Keiser

    John Keiser Guest


    C 432 [100u] was warm to the touch and slightly domed.
    Swapped with a good one.
    Back in business.

    Thank you very much, indeed!
  6. Sofie

    Sofie Guest

    glad that you got it fixed....

    btw: .... VR = voltage regulator
    \and c432 is the filter cap for the regulated B+.

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