My lg 50 inch plasma won't turn on . This how it goes the tv is off in standby . When I turn the tv on its about to go on the it shuts off like there's no power for 3 seconds then all by it self it try's to turn on but no go then it goes back to standby mode . What is there to do ? Do I have to bring it in? Or is something simple to fix?
Might have to change the bulb in the tv, should be in the back right corner should tell u something like a warning lable so u can find it,u will need a screw driver.
SOURCE: LG 42 plasma power problem
needs power supply Part number 6709900023A
it is a 171 dollar part, you should be able to order through LG,
SOURCE: 42 inch LG Plasma TV - Lost picture
This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.
Cheers,
Stephen
SOURCE: lg plasma after storm doesnt want to turn on
Mainboard damaged and need to be replaced, try EBAY for a general picture of prices but you will need your product code wich is located in the back of the TV next to serial number.
SOURCE: My 42 inch LG plasma turns on and off repeatedly
Theres a short between the start-up processor signal on the interface board and power supply. It keeps sending the same start-byte over and over again to the power board. This could also be a DC high voltage shutdown on the power board its self. Now the tv is in protection mode to prevent further damage. Get it serviced at your local repair center. If its under warranty take it back.
SOURCE: LG 50 inch plasma has trouble powering up. have
Power supply board have dead capcitors.Know how to solders?These capacitors usally bulge or pop open,replaced these capacitors will solved this problem.Or tries websites Shopjimmy.com,Ebay.com to buy a Whole reburbish power supply board for the replacement.
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