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LG LED TV 26LS3700-TB is not turning on I took it to servicing centre they said that there is problem in its part which can't be replaced part is not is not manufactured by LG company. What to do?

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Ask who makes the faulty part that LG use and see if you can get it directly from that manufacturer
ask around repair shops to see if they have spare boards that have that part that you can by second hand
find another repair shop that is more interested in fixing your problem as many are just parts replacers and have no interest in customer satisfaction

Posted on Dec 05, 2016

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gopakumarg43
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SOURCE: Sir my LG LED TV model no 26LS3700-TB is not turning on when i switch on the power screen is black and red power signal is blinking 3 times and stops but the screen remains black. How can I repair?

Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Posted on Dec 04, 2016

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