Question about RCA R52WH73 Projection Television

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Screen has shrunk and picture is now tripled - RCA R52WH73 Projection Television

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The projecction width has reduced with the three guns going out of alignment to give the three images.
It is possible that the power supply voltage has reduced which has made the projection drop down to give this reduced size.
Check for possible failrue of the filter capacitor or the fault in the SM pre driver circuit, possible redduction of value of some associated electrolytes.
Check for visible signs of capacitor leaks or use a multimetter to confirm.

Posted on Aug 22, 2010

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