Sylvania 6427TFY

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Char71112
Sylvania 6427TFY

Set clicks on then shut down, High Volts comes up to approx 30K,then drops off. B+ looks like 120V then drops off to around 40, Hard to get an accurate reading. ESR the caps ok, How do I determine what is is shutting it down? I have ordered a flyback, but not sure yet, any suggestions? Havent found any bad parts.

Charlie

 

Dwray
That set is made by Funai

That set is made by Funai Sylvania is no longer Part of Philips/Magnavox I would replace the Vertial output ic First Its a LA78041 and can get here> www.mcminone.com

Char71112
While checking the voltages

While checking the voltages for the protect circuits, the set started working and I cant get it to act up again. I have moved and twisted the board, tapped with plastic tool, solid as a rock.
Charlie

 

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