Question about Toshiba 42H83 42" Rear Projection HDTV-Ready Television

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Toshiba 42H83 rear projection tv turns on but i have no picture or sound. happened suddenly. What can troubleshoot before seeking proffessional hel.

Happened suddenly. What can i troubleshoot before seeking proffessional help. Doesnt seem to be any physical damage. I heard it can possibly be the fuse but i dont know how to determine if thats the problem.

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Check all micro-fuses in power supply.If two or three are bad,a convergence circuit O/H will be necessary.Pro help usually required-chassis pull,replace convergence IC's and careful hand- soldering needed to prevent call-back.

Posted on Sep 29, 2007

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My toshiba 42h83 tv has sound but no picture


of course check different inputs etc to make sure something did not get disconnected.

This rear projection set uses 3 picture tubes and the set will protect them if there is a problem in the vertical or horizontal sweep circuits that might burn the screens or the damage the tubes.

No simple answer as a lot of different parts are possible for this problem.

Apr 27, 2012 | Toshiba 42H83 42" Rear Projection...

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My toshiba 42h83 tv is dead. It won't turn on. I


hello if you've never looked inside a tv before then you'll be wasting your time with out the right equipment it will be hard. get quote from an engineer good luck


regards
shaun

Jul 31, 2010 | Toshiba 42H83 42" Rear Projection...

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Control board say not availible when any button is pressed, only shows av1 picture and picture is scrambled, toshiba 42h83 modle rear projection tv


this may be due to a stuck on mode select button control, are you going to try to repair yourself ? do you have a shop manual ? let me know

Jan 30, 2010 | Toshiba 42H83 42" Rear Projection...

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The picture is all waves ,I get sound and color but the picture is all lines and waves,what part should I get??


To fix the shaky picture on the toshiba rear projection tv model number 42h83. You need to either replace the 13 capictors on the hyper module or simply replace the hyper module itself. It's cheaper to replace the caps, but you'll need decent soldering skills to do this. You can replace the entire hyper module with less soldering skills, but I believe the module costs about $100, maybe alittle more. You can find the entire fix by googleing "hyper module". Good luck and I hope this helps

Oct 21, 2009 | Toshiba 42H83 42" Rear Projection...

2 Answers

Toshiba 42 inch rear projection T.V.


this sounds like a convergence loss... the most likely cause of this is what is known as stk's or convergenc ic(chips) have gone bad.. also it cound be the output resistors. most likely need replaced

May 12, 2008 | Toshiba 42H83 42" Rear Projection...

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