Question about Projection Televisions
Some of the larger TV's are DISH ready, meaning that they have the
tuner inside for SAT TV. The SAT tuners often have an internal fan that
makes a humming noise. If it sounds like something other than that, you
might have a bad component in your sound circuit that allows 60 HZ hum
through the speakers.
If it is a rear projection LCG TV it has a fan in it to cool the bulb. You will hear the fan if you listen closely. It usually cannot be heard over the volume.
The fluorescent bulb and electronics inside make humming sound naturally. Kinda like when you turn on a lamp, and some lamps make a low humming sound.
Posted on Apr 03, 2008
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