Solution #3. I'm guessing there is either no power or no data to the horizontal or vertical mux board or whatever equivalents are in that TV. Power-related issues are often obvious due to the presence of blown or otherwise damaged capacitors. For anything beyond that, troubleshooting is difficult if not impossible without schematics and Hi I got a call from the Samsung help line about 3 days after clicking on a help link on the tv. We went through a diagnostic process using a live link picture and video assistance. I was told that my TV actually has a 2 year warranty (previously told only one by Currys and Samsung) and so they will fix it free. Theorientation of lines on your LCD matter when trying to diagnose the problem. I've heard from a lot of you that you want some help with vertical lines (b Havea problem with my LG 42 lh3000 have had for 4 years now, but now once in a while, (TV display repair and troubleshooting guide) half to a quarter of the Ifyour remote LED light turns on, but can't control the Google TV interface, try this fix: Remove and reinsert both batteries. Check if the LED flashes twice. If the LED doesn't turn on, follow the troubleshooting steps under the General troubleshooting section. Followingare 4 of the most common problems with LED Televisions faced by customers worldwide. LED TV screen goes blank. In this case, most probably the power supply unit inside the LED TV has issues. The power supply unit is responsible for receiving current and sending it to all the components of the LED TV. Tips 1. Try to avoid directing too much hot air onto the LCD itself as this could damage it. 2. Apply enough heat to melt the glue holding the ribbon connection, but not enough to melt the cable itself. 3. If after the first try the problem is not resolved, try rubbing the connections down with something firmer. mE4tVI.

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