Question about Toshiba 50H81 50" Rear Projection Television

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Toshiba 50H81 Set has picture and sound but everything has a shadow

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Re: Toshiba 50H81

Convergence amp ic are bad

Posted on Jan 16, 2008

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Focus error 50h81 toshiba red line problem

Tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows or have 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts must be replaced on the tv convergence board to fix it.To solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Jan 01, 2011 | Toshiba 50H81 50" Rear Projection...

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The touch focus on my 50h81 says touch focus error, the red vertical is crooked. There is a red and touquoise line surrounding everything on the picture.

Ur convergence is dead.U must know how to solders?Must replaced 2 convergence ICS,and some or all the resistors.Tries websites Tv repair, to buy a convergence kit to repair it ur self.The shop will cost $300 for parts,and labors.

Mar 15, 2010 | Toshiba 50H81 50" Rear Projection...

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My Toshiba 50H81 screen black, no sound & power light blinking

sounds as if your power supply needs to be repaired. the capacitors over heat and crown or leak.

Jan 01, 2010 | Toshiba 50H81 50" Rear Projection...

2 Answers

Double photos on screen


You have a convergence problem , the Convergence IC's are bad, Have the Convergence IC's Replaced to restore set to normal operation and Picture. The numbers on the IC's are the part numbers. They are the two large black IC's mounted on a Large /Heatsink..

Dec 27, 2009 | Toshiba 50H81 50" Rear Projection...

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When we turn on our Toshiba 50h81, it will work ok for 45-90 minutes, then without warning, the picture and sound will go off and the power light blinks. We have to let it set for awhile (I've never timed...

These Toshiba TVs have a problem on the power board that causes this issue and it is a common one. There are several capacitors on the power board that seem prone to coming loose over time. When they lose connection for a moment the TV's protection system steps in and cuts off power. This causes the 'blinking power light' issue. The last one I repaired was a 43V71 model and I re-soldered one loose capacitor on the power board and it has worked perfectly ever since. Toshiba put out a service bulletin on this problem. It is well known and well worth fixing.

Nov 11, 2009 | Toshiba 50H81 50" Rear Projection...

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Hi i need a picture tube (the blue crt) what all models and sizes of Toshiba fit if i was to go used? It is a toshiba 50h81

You can also use picture tube part number 23008517 which is in model 57H81. Please note that these tubes are no longer available frmo Toshiba.


Nov 02, 2009 | Toshiba 50H81 50" Rear Projection...

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Have a toshiba model # tp55h95 tv. The power light is blinking

Something is keeping your power supply from starting up. Bad capacitor...most likely. Replac 'em all! They're cheap!

May 21, 2009 | Toshiba 50H81 50" Rear Projection...

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Toshiba 50h81 has power but no picture or audio

is your high voltage still comming up?
ok turning up screen controls with tv on. what do you see?

Apr 11, 2008 | Toshiba 50H81 50" Rear Projection...

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Toshiba 50H81 Has Power but No picture or Audio

ok i'm goin to need more info about your problem. you stated fuses and didn't say the location numbers of the fuses. Also, have you rechecked your fuses to see if they are all still good? 3 fuses sounds like more then one problem. once you tell us your loc#'s of your fuses, we can look into your problems.

Apr 07, 2008 | Toshiba 50H81 50" Rear Projection...

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Toshiba 50H81 TAC0151 Blowing Fuses, I Need schematic

Well without the schematic, knowing Toshiba they have alot of convergence problems, so see if the fuse blown in the convergence area, if you you may have to replace convergence amps. These are the big STK's. Most of the time there was a color problem with set before going out. If no problem with this on your set then look in the HV area Hor. and Ver. area. Hope this helps!

Sep 09, 2007 | Toshiba 50H81 50" Rear Projection...

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