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There should be some fault with its main power supply regulator board. Check it. If
you are not familiar with electronics, do not attempt to repair. Whether you sufferfatal electrical shock!
Instead, contact the nearest service center.
Go into the menu and make sure that it is set up for the type of signal you can receive. Some will receive terrestial and some are set to receive digital. If it is set up wrong, it will give the no signal message because there is either no digital available or no terrestial avalable.
Hello, Hi A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.
You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed. This will cure the problem as they overheat being sat next to a heatsink that gets very hot! Try and change them for the same 3300uf but a higher voltage. Hope this helps
try a outdoor antenna on the roof for digital signal use.also the main digital PCB is defective which has the tuner on it if the antenna does not work.you may try taking the
tv to a friends house and see if the tv works better.
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