Question about Toshiba 51H93 51" Rear Projection HDTV

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Toshiba 51H93 .

What would cause repeated horizontal output failure?

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Check for cracks in the driver circuit, also i believe this maybe on of the models that had a kit that helped from driving the h-output to hard causing it to get hotter then normal.

Posted on Apr 12, 2008

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My toshiba 65hx81 cut out lastnight. All I have now is the red flashing pwer light. Where do I begin? Do you know what the issue might be? Thankis, Kyle


Frist Kyle count the number of blinks on the set when it shuts down, this is an error code related to the problem area., The most common failure in this model is the deflection power supply board. This board provides high voltage to the picture tubes and related large signal circuits. You may want to check the horizontal output transistor for shorted condition, if it is found to be shorted replace it an the flyback transformer as these two work to gether to produce the horizontal frequency to produce the high voltage.

Oct 18, 2011 | Toshiba 65HX81 65" Rear Projection...

2 Answers

Need info on mod kit for horiz output on Toshiba 51h93.


Do you have the part number, which kit do you need ?

Apr 21, 2008 | Projection Televisions

2 Answers

Horiz output failure repeatedly?


can you please provide the TV model and part #.

Thanks

Apr 15, 2008 | Toshiba 51H93 51" Rear Projection HDTV

1 Answer

Tv will not turn on even when reset button is pushed all you hear is a clicking noise


You need to replace the power supply on your set, this happen when horizontal output fail.

Dec 18, 2010 | Toshiba 51H93 51" Rear Projection HDTV

1 Answer

I have a model 53HX71 toshiba tv screen is black power button is flashing nothing will respond


check for shorted horizontal output transistor and there is an open high voltage capacitor around horizontal driver.

from esg/pinoy

Aug 26, 2009 | Toshiba Projection Televisions

1 Answer

Will not turn on


if main power supply is working check sub power supply.should be 1.5 volts on pe 42 pin8 and 9.
if missing replace ce36 and ce 39. i mounted mine caps on foil side.

May 20, 2008 | Toshiba 51H93 51" Rear Projection HDTV

1 Answer

51H93 HORIZONTAL OUTPUT TRANSISTOR FAILURE


What's the question???

If the transistor has failed, it has to be replaced. The cause must be found and fixed before applying back the power, or the new replacement will probably soon fail.

Jerry G.

Apr 16, 2008 | Projection Televisions

1 Answer

Horizontal output transistor failure


check b+ comming from p/s. also check for blue flat caps in line with h-output circuit. if blown out the side. remove them from circuit. also might have a HVT goin bad. I believe this is also the model that might have a mod for h-out running too hott that requires adding a resister in the h-drive circuit. also try a heavier duty h-output.

Apr 09, 2008 | Toshiba 51H93 51" Rear Projection HDTV

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