SOURCE: Loud Buzzing Sound
Sounds like the cooling fan blades are hitting something (possible worn bearings).
SOURCE: My RCA Scenium HDLP50W151 TV makes is making a loud whining sound
All projection TVs for RCA
are DLP TVs, with that in mind these TVs have a lamp inside that produces white
light. The color wheel is the one in charge of giving color to that light. Regularly
the color wheel last between 2 to 5 years depending on the daily tv use. Most of
the time when the central barring of the wheel is loose, unstable, or out of
place it will cause the edge of the wheel to make contact with the housing,
producing that whining,
whirling, screeching or hissing sound. These sounds can either produce just a annoying
sound when watching tv or can cause the tv to shut off. When this happens you’ll
have to replace it, if you want to know where to buy, you can look in ebay,
there are many parts you can get at very good bargains, the only thing is that
you buy at a high risk of the part not working ( I had a bad experience). The other
option is to buy at an electronics store online dedicated at selling tv parts,
some can help you trouble shoot your problem and others may have tech support over
the phone (personal recommendation: Discount-Merchant.com ). And last remember
to search your part by part number, NOT by model number, two TVs with same
model numbers but assembled on different dates ( different generation TVs )
will have none compatible tv parts inside, so be very carful.
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