Question about Toshiba 40RF350U 40 in. LCD TV
I have fixed the issue on my Toshiba 40" Flat panel. There are several ribbon cables that run across the top of the FPD module. It took a short while to disassemble the entire assembly. The fix I employed was to secure the ribbon cable using black electrical tape. Unfortunately the reassemble revealed an isse where the frame for the FPD module reintroduced the issue. I merely wedged the frame and the assembly and that resolved the issue entirely. I neglected to totally resolder the connections so not to damage any of the other ribbon cables for the display. Note these ribbon cables get very hot to the touch.
I have video's and pictures on request.
Posted on Dec 24, 2012
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Posted on Jan 02, 2017
I assume your Misubishi is not close to anything electrical. However, it sounds like you have had an interference for some time. This will ineviteably cause the HDTV LCD to collapse. LCD's don't respond well close to heat. Is there a vent close? LCD's do well in a properly vented area but with all this said.......they will pick up interference from anything electrical. A few questions to ask ones self........are there any wireless devices or chargers close to the LCD? Might there be an oven, a/c unit or other wiring with 220 volts anywhere close to the LCD such as in the wall?
The Mitsubishi LT is a very reliable, multi component ready set that allows great viewing with surround sound. However, stop and think about this interference. It is not something in the unit. It is an interference. Look hard and when you've discovered it.....you won't believe how crystal clear this set will be.
Let me know what you find...Thanks for using Fixya and add any comments that may help us help you.
Posted on Jan 16, 2009
If there is no picture behind the stripe and the edges are well-defined, then one of the display driver ICs has failed. Philips displays can be made by several manufacturers - usually Samsung. The ICs are bonded to the flexible ribbon in most cases, and replacement is an expensive specialist job - and in many cases is simply not possible.
A shadow on the picture is much better - usually due to interference.
Posted on Jul 22, 2008
Bad/Going Bad/Will go horribly bad TCON board (small circuit board sitting at the top of the panel in the back).
Most likely, the whole panel will need to be replaced in order to rectify the issue.
Posted on Aug 01, 2009
I had one vertical line it cam and went for awhile then stayed permanently and I took it in for repair only to be told they couldn't fix it now they are trying to give me a used tv (warranty don't want to pay) but I refuse I purchased it new and I told them I want a new one. I had that tv less than 2 years. So if you have a warranty and lines get it in fast.
Posted on Mar 26, 2010
A very common problem with toshy lcds is the tcon connectors need cleaning. Failing this a replacement tcon board will put matters right.
Posted on May 23, 2010
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