Question about Vizio Televison & Video
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Posted on Jan 02, 2017
SOURCE: Panasonic 50 inch plasma tv
It's hard to say without seeing a picture. Panasonic has a site with pictures of various Plasma symptoms and the board that will cause that problem. Go to: http://www.pasctraining.panasonic.com/PASS/elearn/PDP.htm Click on: Pictures of plasma symptoms It will direct you to a PDF file. It may not be your exact problem, but, it will show you which board will cause your problem. Hope this helps.
Posted on Apr 22, 2007
The touch screen is made up of several layers. A thin plastic layer, a micro thin metal layer, microdots for insulators, another thin metal layer, and a final plastic layer. All of these layers amount to the thickness of a sheet of paper. This whole stack is bonded to a thin sheet of glass and placed over the actual TFT display.
If the touch screen is still working the moisture probably isn't between the layers. My guess is moisture got through one of the gaskets and made it's way in between the touch screen assembly and the TFT display.
If you want to clean it:
Remove the six screw holding the case together.
Split the cases and pull the patch antenna out of it's slot.
Remove the four silver screws holding the display assembly into the front bezel.
Unhook the small ribbon cable that goes to the infrared receiver under the red lens.
Pull the display assembly out of the front bezel. It won't come all the way out because of cables.
Use a razor to cut the plastic tape holding the touch screen bracket to the TFT display.
Unlatch the 4 conductor ribbon connector nestled between the 2 big white wires.
Use a penknife to unbend the metal tabs keeping the touch screen from coming loose. I usually just do the ones by the IR receiver.
Now that the touch screen is in your hand you can carefully clean the moisture from between the two assemblies. The gaskets are tricky to install again but it can be done, maybe you'll see where they were leaking.
Posted on Jan 24, 2009
Try unplugging it for about 30-60 seconds, then plug it back in and before you turn it on, make sure there is a good video source going to the TV either from Satellite/Cable or a DVD player or something.
If this doesn't work, try unplugging it a bit longer and then plug it back in and try again. If it still does not work, you may have to take it in and get it serviced.
Usually when devices power themselves off like that, there's something wrong...
I hope this helps :) Good luck!
Posted on Jul 21, 2009
SOURCE: Big gray spot on screen
Unfortunately, It's likely that your screen has been irreparably damaged. Probably, pressure was applied to the screen and ruined that part of it.
If you like to fix electronics, it may be possible to buy a non-working Sansa on eBay, open the case and replace the screen.
You can probably continue to use the player without fixing the gray spot. If it bothers you, the easiest solution would be to get another player....
Posted on Dec 12, 2011
Testimonial: "Thanks TT. I'll just get used to the spot, thing works fine otherwise. I only use it for music anyway."
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.
Posted on Dec 11, 2014
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