Question about JVC HD-56G886 56" Rear Projection HDTV
I bought this unit 2 years ago used. Recently it went into protect mode. I pulled the bulb and found it to be broken. Yesterday I replaced the bulb and the TV started working. It however only lasted an hour and went back to protect. I pulled the bulb to find it broken again. Did I get a bad bulb or may there be another problem causing the bulb to break. Thank you, Dr. Chad
It could be dust and or lint in the tv. The bulb has a fan to cool it and if it is plugged with lint can cause the bulb to overheat and fail. Lint or dust that gets on the bulb can also cause premature failure. Remove bulb and lean fan and intake screen thoroughly and check to make sure fan is operating. Then install new bulb. Hope this helps.
Posted on Dec 31, 2013
Testimonial: "Can I use some light air pressure to blow the bulb and fan compartment out. There is definitely a fair amount of dust in the compartment? When I plug the TV in, should the fan come on immediately?"
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Posted on Jan 02, 2017
if you purcased a LTI lamp then the possibilty of a bad lamp may be the case. LTI lamps are cheap and are poorly manufactured. if it is a JVC lamp then you may have further problems such as lamp balast, or thermal sensor. clean the fans and filtersfor better air flow. keeping the lanp cool is important for the life of the lamp.
Posted on Apr 19, 2008
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 fixed it!!!! If you can open one of the sides (on the JVC there is a little door with a screw), then you can clean the projector lense in the middle on the bottom. It kind of looks like a big light bulb. It seems there is just dust on the glass that is projected onto the screen. We had a big gray spot and cleaned it with a damp glass cloth and Ouila! It disappeared. I scored MAJOR brownie points with my husband for this one! He wanted to replace the TV!
Posted on Jan 08, 2009
The gray spots are caused by dust on your lens, very easy to clean.
Power down the TV.
If you open the right side access panel (right side as you are looking at the front of the TV) you can see it in the middle, it's not very big. Using a scratch/lint free cloth, gently wipe off the lens or use a vacuum to **** up the dust being careful not to actually touch the lens.
Replace the access panel and enjoy your spot free screen.
Posted on Aug 12, 2009
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