Question about Toshiba 57H81 57" Rear Projection Television

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Problems I have problems with my t.v. and i dont know how to fix it the screen has turned all black.but there is still sound can you help me . p.s it is a falt screen toshiba.

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It sounds like a resistor has gone bad that controls the tubes for the picture.you might want to call a service tech in and have it fixed,

Posted on Feb 13, 2009

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I have a 50" Samsung tv. The tv turns on and the screen comes on, then within 1 minute the screen goes black. I can still hear sound.


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1 Answer

I have a completely black screen on my tv, but i am hearing sound


Ur tv have convergence problems,it dead.U must know how to solders,have soldering tools,and solders to fix convergence problems.U must replaced 2 STK Convergence ICS,and some or all it resistors.Tries wesites like Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

May 08, 2010 | Panasonic PT-53TW53 53" Rear Projection...

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JVC Model no: AV-48WP34 Projection Problems


OK, problem seems in convergence section of TV and can be confirmed by testing voltage supply as mentioned in schematics.

You can download service manual copy from Manual Zone for small fee and it has schematics, exploded views. board location, part numbers info.

Let me know if you need further help.
Thanks.


May 07, 2009 | JVC Projection Televisions

1 Answer

Samsung HCM 4215W when on, no picture timer blinks & chirp sounds


Sounds like a shorted component in the power supply or the high voltage circuit.
Time to call a professional.

Apr 10, 2009 | Samsung HCM4215W 42" Rear Projection...

1 Answer

SCREEN IS BLACK


Called a service tech, (for free)
he said it was probably the lamp, and it was an easy fix.
Just have to order the lamp and put it in our selves.
I will let you know if it works or not.
We were told the lamp goes out anywhere between 1000 - 2000 hours.
So we will be needing the lamp regardless.

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Have a weird problem M50WH74S RCA


i found out tht it could be the (DMD) Digital_Micromirror_Device i dont know if that is you problem or not

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Problem with rca big screen


possible balast problem it fires the lamp assy.you should hear a high voltage hiss when firing up from a dead stop,unplug and listen when you fire it up again.

Apr 14, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

TV went to black screen


I had the same issue. The screen would shrink and then expand over and over. After thrity minutes it would correct itself. 
After a few months of doing this it just broke - no sound and no videe but the power light was still on. 

I searched these forums but did not find clear instructions or kits on how to fix it. I gave up and called in a repair tech. He fixed my TV in less than 30 minutes. 

To help others I documented the fix and created a repair kit and step by step quide on how to fix the problem. You can find it here. http://www.magnavoxhelp.com



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