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Dear,

redownload and install the flash player....

regards,

Posted on Apr 20, 2009

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Screen black fault


black after 15mins is psu fail

replace ALL the electrolytic capactiors on the psu
this includes the mains 350 or 400V types
then retry....

try to find any faulty CCFL tubes using there feedback
from each ccfl transformer

you could just find one tube has failed

look too you tube for CCFL replace etc etc
look more to a faulty single tube here

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Green and blue faded


Some of these had bad picture tubes--(model indicated here uses 3 tubes)

Simple test is go to a black and white channel and turn color to zero= is the screen black and white or some other color?

Also go to a unused video input and look at screen=all you should see is black screen with the input number in green= any other color and something may just need to be adjusted.

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Problem with the Toshiba 50H13 50 in. Rear Projection Television. Green tint


The tubes have aged and the colour balance between the tubes has shifted. You will need to redo it using a black/white test image: first the black (the cutoff point), then the white (the gain) on each tube - always start with the green colour. This is done on the final video amplifier of each tube by adjusting the corresponding semiadjustable resistors.

Jun 02, 2011 | Toshiba Televison & Video

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Hi my screen is black when I turn on my laptop.


ysounds like you either have to replace the backliught tubes and/or the circuit board that runs the backlight tubes.backlight tubes are available on ebay from a gentleman in oklahoma city oklahoma

Jun 23, 2010 | Dell Inspiron 710m Notebook

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Toshiba 50A60 Projection TV - Black Screen


There is no bulb in that model TV. There are 3 crt type tubes. You'll have to have a TV shop determine the cause. It could be many things like no high voltage present, cathode voltage missing. If the tubes are finished, the cost to replace them is quite high. It is a complicated repair since the tubes have to be properly aimed and converged. The repair cost in this worst case scenario would be greater than buying a flat screen TV with the same screen size.

May 17, 2009 | Toshiba 50A60 50" Rear Projection...

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Black screen


when problems occures with monitor is always with picture tube but some time less brightness is also reason for black screen
check brightness of your system i think it should be on maximum level and brightness is perfact so i said problem with picture tube. may be picture tube is gone...

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Toshiba tecra M2 LCD Screen


A pinkish tint is indication that the backlight tube inside the screen is not fully lit. But then it goes black - meaning the tube shut down? That part don't make much sense - it's certainly possible, though.

Replacing tubes is pretty surgical so I wouldn't recommend it. Replacing the screen should be pretty darn easy. A good, used screen should be pretty cheap on eBay, so that's where I'd start.


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1 Answer

Television has audio but a black screen


Bad technicians always say picture tube problem when the TV has black screen with sound. This a false statement and in some cases techniciacns use this to scare the owner or the charge a hefty amount. The truth is that picture tube outlast most component in the TV. If it will fail, it is gradual like the colors will fade or one or several color will be missing. This condition is the degration of the filament in the gun (CRT tv has three -Red, green , blue) I started to repair TV in the early 80's and only in one occasion that the Tube fail and it is a crack in the neck. For black screen with sound, the most common cause is the HV supply problem / Horizontal section. This can be caused by many things, like flyback transformer failure, horizontal outout transistor, horizontal drive, etc. For the cost-depends on where you are, in some countries labor is dirt cheap, in other ountries the parts are expensive.

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