Question about Hitachi 50UX57B 50" Rear Projection Television

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Tv turns on with picture for 20 minutes then the picture starts to shrink and the screen goes black and the tv stays on but the screen stays black

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Try to check the capacitors or locate a bad solder component on the pcb board

Posted on Oct 10, 2010

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Related Questions:

1 Answer

TV picture goes out after 10 minutes of viewing with popping sound


It can be a couple things. Something bad on the power board. Or the vertical output circuit. How long ago did you purchase the television. Your best course of action is to have it serviced.
If you need any information or other assistance let me know.
Thanks,
Lee

Jun 24, 2008 | Pioneer SD-582HD5 58" Rear Projection...

1 Answer

Sound stays on, but no picture- goes black and stays that way.


This unit should still be under warranty and should be taken in for warranty service. Any attempt to access the interior will void the warranty. It is important that a complete description of the problem like you entered here be taken along when you bring the set in for service. This will insure that the servicer be able to reproduce the problem and resolve it.

From your description (and as a servicer), I would be looking for a component that is heat sensitive. These types of problems are fairly easy to locate and resolve.

Please take this in for warranty service and update this when you find out the details.

Thanks,
Dan

May 04, 2010 | JVC LT-26C31 26 in. LCD Television

1 Answer

Screen Goes Black


it sounds like your "lamp" is going out look for a hidden compartment.. or in your owners manual to see where its located its an easy fix and costs much less than a new tv

Oct 16, 2008 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

Picture is there briefly then goes black with sleep timer blinking


your tv had a cold solder,so try to resolder the vertical ic. or vertical section as well.

Sep 05, 2008 | Sony KV-35S42 35" TV

1 Answer

Picture/sound goes out after 10 minutes of TV use


Rear projection hdtv, most likely damaged tubes. Don't repair this by your self get a tv repair man to do it before you injure your self.

Jun 24, 2008 | Pioneer SD-582HD5 58" Rear Projection...

1 Answer

SCREEN GOES BLACK AFTER 1 MINUTE


In electronics dust has nothing to do. cleaning will not solve your problem your problem is due to trouble in vertical section. mostly it is due to electrolytic capacitor in vertical section is defective.it is common problem. also check supply to vertical section. "THE SCREEN SHRINKS TOWARDS THE TOP OF THE SCREEN FOR A FEW SECONDS BEFORE THE PICTURE TURNS UPSIDEDOWN THEN TURNS BLACK." is called fold over. regards thanks

Sep 12, 2007 | Sony KV-32S42 32" TV

1 Answer

Picture Shortens, Converges, eventually the set shuts off - $50 for Correct Solution


Open the TV amd turn it on in a position you can see the picture, possibly through a mirror. Now gently tap all of the metal heat sinks on the circuit board until you find the one that is sensitive it will have a small chip mounted vertically on it, with probably like 7-10 pins. The number on the chip will most likely be an "LA****" number. Now turn the circuit board (UNPLUG FIRST) over and resolder the pins. This is your problem 99% of the time. Be very careful there is High Voltage inside this TV.

Apr 26, 2007 | Zenith IQB36B42W TV

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