Question about Toshiba REGZA 42 in. Flat-Panel LCD HDTV
Sometimes if I gently wipe with microfibre cloth recommended by retailer the problem clears but only temporarily.
the problem is display panel connectors or panel itself(bad case). To solve it, you must disassemble the set till the point, when you will be able to see
t-con(display controller). It, usually have metal shield over it. you need to unscrew those tiny screws, may be remove sticking foil too. After you see the board itself, there are 1 or more flat ribbon cables connecting t-con board to display panel itself. Plugs have plastic locking, fragile! First, unlock the left side(opposite to your view) and pull cable out, then carefully reconnect it. If more, than one, repeat the procedure. got working? assemble everything back. Still have the problem: try to do the same with the other end of the ribbon(s). those, what connect display's boards. You may have insufficient space to reach plug's locks. Invent something to accomplish the task: use tweezers or metal picks. Try not to break anything. In most cases this problem caused by dust/dirt accumulation at those connectors. If nothing helps, I've seen the panels itself doing that. that's the end of DIY project, may be TV itself, unless you purchased extended replacement plan. cost of the panel will void any reasonable repair!
Posted on Jan 10, 2012
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Posted on Jan 02, 2017
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