Re: Dush TV 28" RF6683VPL switch off while I was waching...
Hi there sorry but this could any number of things. But i dont think you could repair it your self. It would need to go to a repair shop. It is most likly a power supply fault inside the tv . All the best Bob
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You have a CRT projection TV. There's no lamps in this that can be swapped out. The technology is very similar to a glass tube CRT TV.
If the picture disappeared but you still have sound then you haven't pressed the wrong input or pressed the picture mute because sound would go too. As a quick check, try any function (vol, contr, bri etc) that normally brings up an onscreen display. If that has gone too then it's a TV issue with the drives to the three tubes. If the OSD is still visible, then the problem is either a source signal issue (broken or disconnected cable; menu changed to affect the signal output of an external source) or the TV isn't processing the signal correctly.
For TV problems where something has broke, the answer is getting the TV repaired or replaced.
Check the power board for any domed capacitors. Replace them. If this does not fix Replace the power board. You can check the voltages from the power board. they are labeled. VS and VA voltages are the panel voltages.
power pack capacitors have failed they will need to be replaced with new ones and that should repair the tv, soldering skill is required to do this or replacement of the entire power pack. hope this helps
This may denote a proble in either your switching powers supply or your Horizontal section derived high voltage power supply. These are both very dangerous sections in your television. My next question is important; do you have a background in electronics? If not I would not advise you working on this problem yourself and that you take the TV to a repair shop for servicing. If you do have some background in electronics, I would like for you to make the following obeservations:
What was the TV doing (it actions)prior to it going out?
Did you hear any sounds before it went out like buzzing or crackling?
What do you hear when you try to turn it on now, clicking?
These questions are just to develop some background into what might be happening to your set.