The tv shut itself off while I was watching and now refuses to power back on. Or perhaps I should say it refuses to respond to signals from the remote or the front panel. I have no picture or sound except a buzzing sound that won't quit as long as the set is plugged in. Any ideas what this might be? The set is a hand me down from my sister who had it for probably 7 or 8 years. I've had it about 1 month. If it's not likely to be something I can do a simple part replacement on. Then is it cost effective to fix this aging beauty. I am severely strapped for cash at the moment. And yes, I am well aware of the dangers involved in consumer repair of television sets. I am very experienced in repair of all sorts of other electronics in the house, but admittedly have little experience with television repair.
Thanks in advance, cause I know you'll be helpful, uncooperativeGE
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When tv it shutting itself off by it own does the tv power LED light indication flashes?Tv turn on now,the tv power light indication,just flashes?Yes,than ur tv power supply board is the causes and the problems.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
Your set is possessed! Just kidding. The answer to your question is in your last statement. If you smell something burning your set has experienced a voltage overload which caused a component to overheat and burn and that failed component has rendered your set non-operational. Unfortunately, this is not an easy fix and will require a trip to the shop. Get an estimate before approving repair. In the new world of disposable electronics the cost of repair may exceed the value of the set.
It's probably going into hivoltage shutdown. The hi voltage is going up above the safety limit and shuting down. These can be a nightmare to troubleshoot if you don't have the right equipment. Time to call a pro.
In order to fix it yourself you will need a digital VOM meter (preferably one that can test diodes) a 25 watt soldering iron desoldering wick and a cap analyzer. Otherwise you should take it to a shop.
First off, it is impolite to post all in Caps, everyone should know this, it is just internet politeness. That said,You could have a bad solder connection or you overheated a component. If you have no TV repair experience, you are going to need to call in a pro to assist you in this repair. Good Luck
I have the same problem, except that it would turn on by itself and then start changing channels. I had a can of compressed air and sprayed the button areas to see if there were sticking. It worked for a coupe of days, then started happening again. So I searched the web and found a response to a question someone else posted and the ensuing reply "most likely you have one of 2 things going on one is the foam between the buttons and the switches or you may have a switch getting leaky and would need replaced" Looks like I may have to taking the cover off and find some type of electronic cleaner, or replace the buttons. I find it odd that I got hits for the same issue with the same model. hhhhmmmmm?