Question about RCA P52939 52" Rear Projection Television

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Rca big screen want come on

When i turn my tv on i just hear a popping noise ,what do i need to do

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  • hawkinsfam Mar 08, 2008

    my rca projection tv doesnt play audio thru the coaxle, only thru the inputs. therefore if i have cable without a cable box i cant hear sound



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1) Replace IHVT (aka flyback transformer ) Part # 250694
2) Replace HV BLock part # 250671
3) Check for arcing CRT ( red,green or blue )

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Posted on Nov 14, 2007


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1 Answer

Popping noise

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That high pitched noise you're hearing is the power supply telling you that it has too much of a load on it and lowered its operating frequency which in effect cuts its output way down! Normally you don't hear any thing since the power supply operates at a frequency that's beyond human hearing. In an RCA this indicates more than likely that your horizontal output transistor is shorted and this short was caused by the flyback transformer shorting. This is a common happening with RCA's You'd need to take to a tv shop and have it checked out. Stargazer

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