Question about Toshiba 55H70 55" Rear Projection Television

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Disassembling 518h3 need to take apart my Toshiba 55H70 55 in. Rear Projection Television. Any video or picture help would be amazing

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Mark McDaniel

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I have the same set. I have not found any videos online as of yet, but hopefully this link will help.

http://www.doityourself.com/forum/entertainment-center-tvs-stereos-vcrs-dvds-8-track-tape-players/296524-broke-toshiba-55h70.html#b

Posted on Feb 27, 2013

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5 Related Answers

ctf1800

Cary Farah

  • 4402 Answers

SOURCE: 65 Toshiba picture sides are bowing in.

Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=

good luck
please mark the post with a fixya

Posted on Feb 21, 2008

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Anonymous

  • 1 Answer

SOURCE: Television Problem

I have just run into the same thing, prior to the picture not coming on there was a loud whining noise, I thought it was the fan in the back, but, what I tried was removing the lower back panel, LIGHTLY tapping the light wheel assembly just left of the Bulb housing, and using a shop vac to first, **** the assembly around the edges and then reversing the air and Blowing it out. After much dust and dirt flying around the TV came on. It now only makes a little noise now and then, but, I will try this again today and then put the back panel back on. Since it would probably cost as much as a new TV for the color wheel, I gave this a try. For now, it is working.
Mr. Wizard

Posted on Jul 21, 2008

Chuck

  • 108 Answers

SOURCE: toshiba 42h82 - "broken" picture

the "scan converter module" is located directly behind the board where your inputs are in the back of the set. That should repair the problem.

Posted on Jan 08, 2009

SD Tech

SD Tech

  • 14553 Answers

SOURCE: toshiba 61 inch rear projection scrambled picture

If you are seeing lines and or noise for the first several minutes and it goes away--I think I know what the problem is.

Has the period of time before it clears up been getting longer and longer?

Reply to me with the exact model number and I will tell you what is wrong and what has to be done to fix it.

A lot of these sets have problems with what is called a HYPER board----it controls all signal inside the set--confirm Toshiba and exact model number---

I am here to help people and I do this here for free.


REGARDS, SD TECH

Posted on Oct 31, 2009

Testimonial: "Very useful and considerate. thankyou"

Ecollier2012

Edward

  • 3459 Answers

SOURCE: TOSHIBA 42PW23P rear projection television

Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Mar 25, 2010

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WHATS THE PROBLEM

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I have a Toshiba 46h84 with similar problem that needs a new green crt. Mine does not have a cooling fan. I don't know if having a cooling fan would help the problem, but mine didn't come with one. There are rear projection TV's that have bulbs in them that require a fan. This particular model uses a red, a green, and a blue crt to generate the picture and probably doesn't need one.

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Bill

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