Question about Toshiba 46H84 46" Rear Projection HDTV-Ready Television

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Green CRT Bulb is shorting out on 46H84 Toshiba. Repairman says no replacement bulbs are available.

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Thanks I ordered the part # required to solve the problem through the links you provided.

Posted on Sep 08, 2009

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Posted on Jan 02, 2017

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How to replace procector lamp in model 46h84 toshiba


Projection TV sets have three tubes - red - blue - green and they don't fail often...they are located inside the tv DLP TV sets use a single bulb and a clot wheel to make the three colors display...DLP bulbs do fail about every two years and will need o be replaced. Replacements can be found at www.TvRepairKits.com and its located behind a small door on the rear of the tv.

May 19, 2013 | Toshiba 46H84 46" Rear Projection...

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When i turn my toshiba tv model #46h84 the green bulb lights up the screen but then shuts off and there is no picture! please help me out!!!


I have the same exact problem...for a few weeks the TV would turn off and the red power light would blink. Then the other day I started having exactly the problem you describe...green screen for a few seconds and then total shutdown.

Feb 08, 2011 | Toshiba 46H84 46" Rear Projection...

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Just replaced the bulb on my toshiba 46 inch dlp..the tv stays on about 5 minutes and then turns off with the red and green light blinking...can you please help me?


Hi lilgyps
To answer your question;
The official release date was the 1of june 2009
And sometimes at the back you may even have the month that yours was manufactured.

Jan 23, 2010 | Toshiba 46H84 46" Rear Projection...

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I have a Toshiba 46H84 with a now defective Green bulb or tube. TV shop said government regulations won't allow them to fix it. Any possible fix?


I would be looking for a different shop and send them the bill.
If all fails go on ebay and get a new bulb and find someone who can replace it.
I wouldn't suggest you do it yourself because of the voltage these televisions put out.

Oct 23, 2009 | Toshiba 46H84 46" Rear Projection...

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Sirs: We were just changing channels and the


THE projection bulb is blown if no sound tv probably broken

Jul 31, 2009 | Toshiba 46H84 46" Rear Projection...

1 Answer

46hm84 toshiba problem


You will find that when the old lamp exploded, either it damaged the ballast unit or there are shards of glass stopping the cooling fan.

May 04, 2017 | Toshiba 46H84 46" Rear Projection...

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Toshiba 46h84 green crt


I would leave an email at the following link with your model number and what youre needing, as they have a large supply of hard to find CRTs and circuit boards. They will respond quickly to your request.
http://servicemanuals.vstore.ca/

Jun 08, 2008 | Toshiba 46H84 46" Rear Projection...

1 Answer

Toshiba 46h84 rear projection shutting down


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.

May 19, 2008 | Toshiba 46H84 46" Rear Projection...

1 Answer

SCreen turns red then shuts off


The 46H84 has 3 CRTs instead of a lamp. Red, Green and Blue. Your red CRT is shorting out shutting down the set.Here is how you test that theory. Remove the speaker grille, there will be an access panel behind the grille remove that and you will see the CRTs red is usually on the left. hit the power momentarally to locate which tube is red. then power down and unplug the power cord. Carefully remove the tubes Circuit board. ( you may have to carefully slice the glob of silicone applied at the factory to get the circuit board off) Once you have the circuit board off the Red CRT make sure it isnt touching anything and try powering up the set. If the set stays on and the other 2 CRTs light up. That tells you the RED crt is shorted and thats whats shutting your set down. Let me know if I can assist you further.

Mar 25, 2008 | Toshiba 46H84 46" Rear Projection...

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