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Television repaur Model number TC2100SA(HISENSE) television when I switch it on the led light up and after 3 or 4 seconds it goes off but no other action what could be the problem

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It sounds as though you have a bad start up circuit. This problem could be a transistor , capacitor, scr, diac or several other components in the power supply. This is not a problem a non trained person can repair as you will need to trouble shoot the circuit board. If you do have experience in trouble shooting components, start in the power supple with the regulator transistor, and also always check the horizontal output transistor before moving on to the transformer. Good luck and I hope this has helped in some way.
Ed
NC Electronics
Mills, Wyoming

Posted on Feb 18, 2008

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