Hitachi UltraVision CineForm 55VG825 55" HDTV Logo

Question about Hitachi UltraVision CineForm 55VG825 55" HDTV

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Black Screen When I turn on the TV the power blue light and temp/lamp red lights turn on then the red lights turn off but the blue light stays on like normal. Problem is the screen is completely black...no color, nothing. There isn't any noise coming from the tv to give the impression that any thing is even on inside the tv. I tried unplugging it and then turning it back on...the first time the screen turned gray and was actually on but quickly went black and the temp light blinked for a while. But now that doesn't even work...just a black screen. I've replaced the light engine tuner before, when the screen had a red/pink tint.

Posted by joel floyd on

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Anonymous

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  • 944 Answers

It sounds as if the lamp has failed possibly due to a failed cooling fan (the fan should be the first thing to come on). here are the links to the user manual if you need it; http://merchant.satisfusion.com/sf/library/manuals/owners/50_55_60VG825.pdf and http://merchant.satisfusion.com/sf/library/manuals/owners/50_55_60VG825_Part2.pdf It may be worth trying to uninstall and reinstall the lamp, but usually these fail internally rather than having bad connections etc. It is often obvious when the lamp has gone from a visual inspection. If the lamp has failed, when you replace it, make sure the fan comes on - if not then turn off instantly and investigate further. One other possibility before buying a new lamp, is that the lamp compartment cover may not be properly fitted. This will interrupt the power, so I am assuming there is a microswitch or similar that the cover or the screws that hold it should contact. Possibility is that the cover is badly fitted, or a small piece of the cover has broken, which would normally contact the switch, or the switch is faulty - if you can see the switch then a continuity meter will easily test the switch. Also check that the lamp unit securing screws are properly tightened, they also may stop the TV powering on. Please ask again if you need more help with this, if you are unsure then a photo of the inside of the lamp compartment and the lamp itself may help :)

Posted on Jul 02, 2007

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Anonymous

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SOURCE: i have 62vs69. i just put a new lamp in it. here

that is a problem on the color wheel you also need to replace it the wheel spins not accurate thats why the color is not correct.here is a link to give you a guide how to replace the color wheel.




Posted on Sep 04, 2010

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