Question about JVC HD-52G786 52" Rear Projection HDTV
I have a JVC HD56G786TV. I have had it for about 18 months. I had a DLB bulb blow after the warranty expired and replaced it. Everything worked well for a month and that one blew as well. I have now blown my third lamp since the warrenty expired. Any clues as to the cause of this?
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Posted on Jan 02, 2017
The HD-ila sets accumulate a lot of dust in the light engine. The worst offender is the little fold mirror just under the lens. I take my set apart about every 8 months or so to clean all the dust from the light tunnel and all lenses, mirrors, diffusers etc. The picture really regains it's pop when this is done. Unless you are a skilled technician though, I would recommend against attemptimg this procedure as you need to disconnect the individual color lcds. Check with a local service center to get it properly cleaned.
Posted on Dec 29, 2008
I would, it's cheaper than replacing the whole TV and you can do it yourself so no labor bill. The new lamp usually comes with directions and in my experience the JVC lamps are outlasting some of the other ones.
Posted on Sep 10, 2009
Ballast Board? it is what Powers Lamp, or CK Lamp Fan if it stops running and is not Keeping Lamp Cool
set is designed to shut off to Protect lamp from being burted up, you could have either Bad Ballast Board or Defective Lamp Fan,there is a few test you can do to see which Part is Bad.
Posted on Jan 25, 2010
It not the bulb,it still good.Ur tv have a problems known as convergence,"have colors shadows,colors misalinement,picture look like 3D" it dead.This convergence problems it happen to all DLP TVS sooner or later. The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts in the convergence board must be change to fix this.The shop will cost u $300-350 for parts and labors.
Posted on May 23, 2010
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