Question about Zenith IQC50H95W 50" Rear Projection Television
Turn it on , you hear the power supply click and then a pulsing , chirping sound
i bought from repair shop in fl.it had a new power supply and new convergence chips thanks to power surge! its been fine for 2 years and then poof! as it is chirping the red led near the ( def power supp ) connector
is pulsing bright to dim in synch with the chirp. it sounds just like the pulse of
tv powering up but instead of one chirp and a picture, i get no picture and
chirp,chirp,chirp,chirp! the guy in fl says to replace the convergence chips,
another shop says it sounds like the high voltage side of the power supp.
Rainman, can`t really be of any great help on this one, both techs can be right, the chirp is exactly as you thought, the set is trying to come on but there is a short in the set and it`s shutting down because of the short, could be convergence, low voltage power supply, high voltage power supply, until a tech gets in there and starts un-loading circuits it`s impossible to say where the short is, gonna have to call someone out for this one, good luck with it, BMW Rider
Posted on Jan 09, 2008
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Posted on Jan 02, 2017
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