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

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

My toshiba 42h83 tv is dead. It won't turn on. I checked the fuse inside and it is good. Any suggestions?

Thanks,

Chris

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  • Toshiba Master
  • 1,525 Answers

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

Posted on Aug 04, 2010

  • flashmaster Aug 07, 2010

    I've repaired tvs before. Was wondering if anyone had any similar problem so it would save me some time.

  • shaun taylor Aug 07, 2010

    well if you've repaired them before i would have thought you'd know the basic tests

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1 Answer

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 65H81 won't turn on only flashing red light on the on button


This question with slightly different wording is listed here 2 times--see my previous answer.

Mar 20, 2012 | Toshiba 42H83 42" Rear Projection...

1 Answer

My Toshiba 42H83 (2004) has double (or triple) images. Is this something that can be fixed? Is the repair some sort of lamp? If so, is that an easy fix?


This tv have a problems known as a convergence problems,it dead.The tv convergence booard the 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board, must be replaced to solved the tv convergence problems.The shop will cost u $300-350 for parts and labors.

Jul 18, 2010 | Toshiba 42H83 42" Rear Projection...

1 Answer

My screen seems misaligned, the colors dont seem to be lining up properly how do i fix it?


Convergence it dead,must buy a convergence kit replaced what in that kit.U know how to solders?Tries these websites Tv repair World.com,Tv repair Kits.

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

1 Answer

I have double vision on my projection tv (toshiba 42H83).


Sounds like your convergence chips have failed. This is a common problem. You can get a repair kit from www.TvRepairKits.com .

Apr 11, 2009 | Toshiba 42H83 42" Rear Projection...

1 Answer

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


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.

May 21, 2007 | Toshiba 42H83 42" Rear Projection...

1 Answer

Toshiba 42wh36p problem


you tv problem intermittent the problem is in the color circuit, vertical circuit.have a tech check your tv for repairs.good luck.

May 18, 2007 | Toshiba 42H83 42" Rear Projection...

1 Answer

TV has power but no picture.


If you know how to read a schematic diagram and have the proper tools then you should be able to fix the set. The first thing and most common for your symptom is a bad regulator IC in the main power supply It will be standind up on a heat sink and start with STR and have 4 numbers after it. Now it could also be a problem in the sweep circuit but not to many faklures there. I have seen once that a blow audio output IC shorting out cause the entire set to shut down and it did take out the regulator IC with it Too. A shop repair for a set like this can run around 250 all the way up to 500 bucks depending on what the fault is. Hope this helps ya. Good Luck

Jun 03, 2006 | Toshiba 42H83 42" Rear Projection...

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