Question about Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
if you have a cable box then it is probably the resolution settings in the cable box, what type of cable box do you have
Posted on Jul 20, 2008
Bad filters on the main board or a bad AUX REMOTE jack on the back of
the unit (also part of the main board) are the cause of this problem.
Try plugging in any jack that will fit into the AUX REMOTE jack on the back and then pulling it back out. This may fix the problem or remove any dust that may have collected in the jack. If this jack has something plugged into it (or goes bad) the TV will no longer have remote control operation (because it thinks an external remote box is being used). If this does not work then the main board will need replaced.
Note, many repair techs will think the IR board is bad (the Infra-Red Receiver board) at the front of the TV, but this is usually not the case with this model.
Hope this helps, please rate my solution.
Posted on Jan 11, 2009
SOURCE: Bush TV LCD 32 TV 005 HD
The black screen problem of your TV can be attributed to a backlight driver failure, busted backlight, or LCD driver failure.
The flickering indicates a failing backlight driver or a failing backlight. The screen should be totally black, without any glow, when either of them is not working. To verify, grab a torch and shine it on the screen. You will be able to see a faint display telling you that the backlight is busted or the backlight driver is faulty. If not, the LCD driver or the LCD panel itself is faulty, although it has a low probability due to the symptoms of the problem. The only way to fix the problem is replacement of the faulty part. You may need the service of a qualified technician to determine exactly which one is the root of the problem that needs replacement.
Posted on Dec 07, 2009
SOURCE: Have a 42" LG LCD
Sometimes this is an indication of a bad LCD Controller Board (or TCON board). Sometimes it's even just a loose or improper connection with one of the ribbon cables leading into it. When the set heats up the connection expands and makes better contact and functions somewhat better. If you remove the rear access panel you might be able to see the Tcon board. It will probably be under its own metal shield / cover plate. It will have a bunch of wires wrapped in a steel braided shielding cable leading into one side of it through a connector. It will also have 2 or 4 thin flat ribbon cables leading out the other side of it via plastic connectors going to the actual LCD panel. You can google it to see pictures of a Tcon board, it will look similar to the one at this link: http://cgi.ebay.com/LG-6870C-0080D-LCD-DRIVER-BOARD-MDL-42LC2D-UD-APUSLL-/170504013027?pt=LH_DefaultDomain_0&hash=item27b2d4c4e3 You can try flipping up the little plastic retainer clips that hold these flat ribbons in place and gently pulling the ribbons straight out. There will be some gold / copper contacts right on the tips of these ribbons. Sometimes they get oxidized and need to be gently cleaned with a pencil eraser to make them shiny again. Then just slide them straight back in the same connectors and flip down the little plactic retainer clip to hold them in place again. I am assuming of course that the unit is unplugged while you do all this and that the warranty has already expired. If you have any more questions or require additional assistance, please comment back on this page and I will endeavour to help you. Good luck, and if this was at all helpful, please click on the 4 Thumbs Up rating icon above. Thank you very much. Joe.
Posted on Feb 15, 2011
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