Question about Televison & Video
HI, this morning I turned on the tv to watch the weather and in a few minutes, noticed that the screen had gone black. I still had audio at that point but turned everything off to restart - I have Directv so restarted that receiver as well.
Once I did this, the tv tried to turn on (you could hear it click) but the screen stayed dark and the power button began to flash red. I cannot turn off the power button by pushing on it. It continues to flash red and the screen stays black with no audio now.
Have tried replugging it in and out and even changed power strips in case that had gone bad but other things plugged into it seem to work.
What has happened? Thanks.
I know it has been awhile since this was posted. In simple explination, one of the tubes has shorted. It is more than likely the blue tube if the screen is turning blue before it shuts off. I have the 46h84 Toshiba widescreen and it has recently done the same problem. To troubleshoot, remove the control board for the tube, make sure it does not touch anything, plug the TV in and see if it stays on for at least 5 minutes. If so, the tube is the ptoblem. If it shuts back off, reconnect the tube and try it with the other boards. if the problem exisit with the tv the same each time, it is a controller board that is no good. Isolating that is a bit more difficult and I have not had the experience troubleshooting those. Good luck
Posted on Dec 05, 2008
Were the pale blue lines real thin in a slight diagonal from bottom to top of your screen? If so you either have a bad component in the blue drive, Blue CRT socket or your Blue CRT is shorted.Try removing the blue CRT socket and trying to power up your set for a moment without the blue socket attached to the tube. Be sure the CRT socket doesn't touch any components when you try this. Let me know if the set starts up without the blue.
Posted on Jan 23, 2008
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Posted on Jan 02, 2017
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