Question about JVC HD-56G886 56" Rear Projection HDTV

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Dark picture on jvc hd-55g466

Picture is dark and getting darker on jvc hd-55g466 tv. Tried adjusting but has no affect.

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4 Suggested Answers

techman
  • 3130 Answers

SOURCE: Rear projection dark picture

Open up the front of the set and find the screen controls and perform a grey scal alighnment by adjusting the red , blue , and green screen controls but be carefull and make sure you adjust them evenly or the picture will not look right. Good Luck

Posted on Mar 23, 2007

  • 1 Answer

SOURCE: Tv problem jvc hd56g786

your lamp bulb is probably finished so get a new lamp bulb they are easy to replace just look for a small panel on the side of you tv all you need is a flat head screw driver to open the panel and you should be able to pull out the lamp bulb

Posted on Nov 04, 2007

Mark_Webber
  • 472 Answers

SOURCE: Dark Screen

The lamps in these normally last about 3000 hours (if your really lucky). The bulb will start to loose it brightness as a matter of due course at about the halfway mark. It maybe that you are running the unit in the non economy mode that they are fading faster then normal.
The sets have a reputation for not being good with lamps though.

Have a look at the lamp though, make sure it has been off for at least an hour to let it properly cool and check for dust that has settled on it. Also if you wipe the lamp, make sure it is with a dry cloth, or allow plenty of time for any moisture to completly dry before turning it on if you use a damp cloth.

Posted on Apr 13, 2008

  • 3 Answers

SOURCE: my JVC 56G787 is dark and bright is turned all the way up

replace the bulb and clean the inside mirror and screen. Use a microfiber cloth to clean both and vacuum any dust from inside unit. made me mad as well

Posted on Nov 25, 2009

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My JVC 56G787 is dark and bright is turned all the way up


You need a professional.
Stop using the TV until it is repaired.
Continue to use it and your problems will multiply and grow more expensive.
Call the manufacturer to find you nearest authorized service center.

MR. TV Sales & Service Inc
Milwaukee Wisconsin 53405
(414) 762-8600
Established 1974

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