Was watching TV when the screen suddenly went near black (audio also disappeared), with only a dim flickering grey light on the left side of the screen. The green "on" light flickered to a nasty reddish white. I tried to turn the device off, but couldn't -- it didn't respond either to remote "off" command or directly on the unit when trying to turn it off. Twice I unplugged, replugged and got same flickering thing. The third time I unplugged/replugged, I get nothing - no flicker, no weird light, and it will not turn on at all.
What the heck happened? Is it dead?
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.
SOURCE: Green flashing light on but tv won't turn on
Check capacitors on the power board. Two 1000 uF 25V and one 150uF 400V.
SOURCE: why is my TV flickering and not taking any
Hi:
Check the power supplu for swollen capacitors, there are ususally two capacitors on the power supply that go bad you can idenify them easily there tops will be puffy on their tops, Also check for the same symptoms on the inverter board, check the two caps on this board also, when the caps become faulty the correct operating voltage to the main board will cause all types of symptoms.
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I have the same problem. For the past few weeks the television did, on occasion, shut off completely while watching, but we were always able to turn it back on. This last time, however, the green power light flickered orange/yellow and would not shut down completely. I unplugged the set and waited a few minutes. When I plugged the set in again, it would not turn on. Any advice?
Thank you!
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