Question about Hitachi 70VS810 70" Rear Projection HDTV

1 Answer

My Hitachi 70VS810 is making a rattling noise when the set is turned on. The picture is fine but the noise is constant.

I was told that it could be the color wheel or the light engine. Is there any other possible cause? I removed the rear panel but am unable to determine the source of the rattling.

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  • Hitachi Master
  • 14,553 Answers

If its the wheel that part faces the lamp.


My Hitachi 70VS810 is making a rattling noise when - 12_22_2012_2_09_11_pm.jpg

Posted on Dec 22, 2012

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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ctf1800
  • 4402 Answers

SOURCE: hitachi 53udx10b

sounds like convergance amp ic's see links below
· http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
· http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
· http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
· http://www.hdtvoice.com/voice/index.php?s=

Posted on Jan 04, 2008

ctf1800
  • 4402 Answers

SOURCE: Hitachi 51F500A, 51" rear projection.

it's going into protection mode.
first thing i would try is replacing the convergance ic's
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Jan 10, 2008

  • 2 Answers

SOURCE: Hitachi 51F59A Color/Dark problem

Could be the blue CRT shorting out. I had the same problem but with red. Eventually it shorted out completely. If it is only 2.5 month old it should still be under warranty and they will fix it.

Posted on Feb 27, 2008

freetek
  • 5568 Answers

SOURCE: Hitachi 53" rear projection is losing its picture.

If you are not experiencing any shift in colors, it sounds like the power supply is failing since this will affect all three colors.

Posted on Feb 28, 2009

Ecollier2012
  • 3459 Answers

SOURCE: Hitachi 43VWX10B Rear Projection Television - color adjustment problem

Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
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Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

Posted on Mar 15, 2009

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