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

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Toshiba 46H84 Blue CRT Misaligned

The CRT is misaligned, but in a weird way.  In the lower center of the screen, the blue CRT arches out really strong to the right, but only to the right and only in this localized area.  I'm thinking about just getting a new TV if it's too much trouble.

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Or perhaps go into the menu, and check to see if the electronic convergence settings are not just misadjusted (like kids fooling with the remote).

Posted on Dec 08, 2008

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The problem is you convergence IC's. STK392-110. If you are not experienced I would contact a tech to do this work. Repair costs should be 200-400 depending where you live.

Posted on Dec 08, 2008

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1 Answer

When the screen goes dark there is a blue halo with rays radiating out from it.


this is likely caused by a misaligned deflection coil on the blue CRT or in the blue deflection amplifier circuit or a defective deflection coil assembly, you may be viewing a inductor ring, posibly due to arking internal to the coil these are the most likely faults

Jan 22, 2010 | Projection Televisions

1 Answer

Colors misaligned.


TV IS GONNA NEED SOME ONE TO FIX THE CONVERGENCE ON IT

Oct 24, 2008 | Hitachi 51G500 51" Rear Projection...

1 Answer

Samsung pcj522r


Not really, its possible that the Convergence yoke rings may have gotten misaligned when installing them onto the replacement Tube. Usually you need to realign when installing a new tube.

Jul 16, 2008 | Projection Televisions

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

Toshiba 46H84 46 in


the tube will be around 400.00 and then the repair tech will want maybe 150 to install. Try this link they may be able to get you one some what cheaper and give free tech support so you could install it yourself.
http://servicemanuals.vstore.ca/

Apr 29, 2008 | Toshiba 46H84 46" Rear Projection...

1 Answer

Blue crt assmbly maybe?


its very possible that the blue CRT is horting the set out. Heres how you can test it. Remove the speaker grille and access panel behind the grille and you will see the crts. remove the blue crt circuit board from the end of the blue crt and make sure it isnt touching anything then try powering up the set if it doesnt shut down then you have found the problem and you will need a new crt. or you can switch the blue circuit with the green and try it iwth the blue on green and the green on the blue then if the screen turns green before shutting down you will know that its a problem in the blue drive circuit and not the crt. lety me know if you need further assistance.

Apr 01, 2008 | Toshiba 46H84 46" Rear Projection...

1 Answer

Picture Color



http://www.partstore.com/ModelDetai...close=1&exact=1

What do you think "CRT ASSY, Projection: Blue" might be?

CRT ASSY, PROJECTION: BLUE
RCA Part Number: 258486
RCA Model: D52W20
52" CRT BLUE P16LTG00BMB, DELTA 250

They want $183,

Jan 08, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

50H82


With our help and some skill at soldering,can be done ....

Don't worry about CRT ( Cathode Ray Tube)

Blue arching is convergence issue = needs STK392-110 IC's
replaced = requires chassis pull.........T.

Dec 19, 2007 | Toshiba 50H82 50" Rear Projection...

1 Answer

Toshiba 50H82 blue arcing?


color shadows on numbers or letters indicate a possible convergence problem.. might be a crt deflection problem.

Dec 18, 2007 | Toshiba 50H82 50" Rear Projection...

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