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Re: Picture goes out after a few hours.
Coul'be overheat solder the cause of a loose connection , and or convergence ic 's almost ready to fail . the cost to repair will be around 250.00 to fix replacing the ic's depending of the tech. or 350.00 at repair shop
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when picture is getting smaller in size or goes away or moves towards one side then hit your TV lightly on left side or right side or on top & then observe ..........you will get normal picture or it comes & again it goes....if it is happening like that then following is the situation..........after 4 or 5 yrs in some TVs on main board at some soldering joints crack develops....then due to loose contact picture becomes small in size or disappears ...........when we hit that lightly then those loose contacts joins temporarly & again picture appears for some time............so solution is ......TV main board should be observed carefully & most of the joints should be re-soldered.......only a good service engineer can do that........even after hitting TV lightly if there is no response then main board has to be checked completely........in your case iam sure it is loose connection problem.........joints should be re - soldered ...100% it works again................this problem cannot be solved by user unless user has idea about components( resisitors, transisitors, diodes,...etc) , have soldering iron , multimeter & other tools....................so contact good TV service engineer
YOU HAVE THE DREEDED CAPACITORS GOING OUT...AFTER A FEW YEARS-THE CAPS LOOSE THERE PURPOSE AND DEPENDING ON WHAT CIRCUIT THERE IN --YOU WILL SEE THE ASSOCIATED PROBLEM,,,EXAMPLE--COULD BE SOUND ,PICTURE (YOURS) OR VERTICAL(PICTURE CLOSING UP) ETC... YOU CAN HAVE CHECKED BY A REPAIRMAN BUUUUT ,MAY NOT BE COST EFFECTIVE ,,TUNICA
Try a "hard restart" , which simply means unplugging the power cord of the TV, then replugging it after 4 hours have passed. This technique helps to reprogram the electronics of the TV.
Hope this suggestion works for you.
Try a "hard restart"', which simply means unplugging the power cord of your TV, and replugging it after 4 hours have passed. This technique helps to reprogram the electronics of your TV.
Hope this suggestion works for you.
Sounds very typical of a component failing after heating up for a bit. Often in the Power Supply or Horizontal Output section, WE find the offending component(s) usually by using a can "Freeze Spray" and spraying suspected compnents when the problem stops thats ya faulty one... replace it/them and usually thats it. But if ya no good at doing it yourself.. then it's off to the shop... Generally because of ther size these beasts cost a bit to fix.. If ya have to take this route, ensure ya get a firm "Quote" AND an explanation of whats what. G L. Oh and offer to take it to the Shop, this will.should save ya some $$'s
I usually find that symptom you describe is caused by cracked solder joints on the power regulators or vertical output IC. I have also seen that symptom caused by loose solder joints on the vertical windings up inside one of the yokes. If you have experience in repairing TV's then you can disassemble the set and pull the main chassis, flip it over and resolder all of the parts mounted on heat sinks. If you do not have experience in repairing projection TV's then allow a qualified tech to handle it for you.