Question about Toshiba 42HP83 42 in. HD-Ready Plasma Television

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42 in. Toshiba Rear projection HDTV model 42H83

We have sound, but not a picture. I have checked all connections, and talked to the cable company, everything else works fine, short of calling a TV repairman. Could this be the bulb or does it have a picture tube that possibly went out? Thanks

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NO picture most offten means HIGH VOLTAGE circuits are not functioning correctly.

which can be caused any myriad of factors.

such as the relay to the high voltage side.

without a schematic you're spittin in the wind.

Posted on Sep 12, 2008

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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...

1 Answer

My Toshiba 42H83 has a scrambled screen for about 5 minutes when it is turned on, if it has been off for a while. Once it warms up, it works fine. I have replaced the satellite receiver but this did not...


ok, you are talking about lines in the picture, it started where it would clear up after a few minutes but now it will slowly take longer?

I know what is wrong.


SD TECH

Oct 22, 2010 | Toshiba 42H83 42" Rear Projection...

1 Answer

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...

1 Answer

Toshiba 42" projection tv model number 42WH36P rippled effect on picture


Well this could be a serious issue you may have to call to a tech guy
good luck

Dec 18, 2009 | Toshiba 42H83 42" Rear Projection...

1 Answer

My toshiba 42h83 has a shaking picture with a 2 to 3 " green stripe at the top of the screen. How can I fix this?? thank's Karl


Check all wires cables go to the tv,shakes,jiggles might,see the prob.than change the wires cables.Not wires cables,than ur main video board is the prob.must change.

Oct 27, 2009 | Toshiba 42H83 42" Rear Projection...

1 Answer

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...

1 Answer

Toshiba 42H83 model projection HD tv has a bad wavy picture.


yes it can be fixed call a repairman and have them come out and repair it.it shouldnt cost more than a couple of hundred dollars to fix

Feb 01, 2009 | Toshiba 42H83 42" Rear Projection...

1 Answer

Picture dark


Please check its G2 (grid) volts, should be approx 600-700 volts dc. In some sets it calls Screen Volt.

Aug 09, 2008 | 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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