Question about RCA HD50LPW175 50" HDTV

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My tv is making a loud roaring noise in the back

When i turn my tv on it makes a very loud noise i have traced the noise to the back of the tv close to the area where the lamp is. the noise is keeps going even after i turn the tv off. what is causing the noise and can it be fixed?

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  • monk_gp Mar 23, 2009

    Loud noise from the back left hand side. The noise stops about 30 seconds after I turn the TV off. Any ideas?

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I had the same problem, it was the color wheel (part # 270916). The bearings go and it starts making noise. It was fairly easy to replace.

Posted on Jan 16, 2009

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1 Answer

Samsung dlp tv HLP5663W makes loud noise


Yes, the set uses a color wheel and the lamp faces it.

The wheel turns at over 8,000 rpm and is well known for this problem=bearings in the tiny motor go bad.

The high pitched or fan like noise (classic description) is this part.

Sooner or later the wheel (plastic colored segments) will shatter and set will shut down lamp and not operate---set monitors the speed of the wheel so if it slows down or stops it knows.

The part is readily available on the internet (Google the model number with "color wheel").

This can be a do it yourself repair and You Tube has video instructions for replacing the wheel by model number.

There are two common pitfalls to avoid which the instructions that come with the replacement part usually do not mention---if you decide to do this repair let me know and I will explain.


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