SOURCE: My LN40B530 Samsung tv comes on for about 15
Hi my name is Roety,
I can help you with your issue ,
First upgrade to the latest firmware, reboot every device connected to the TV . If the TV menu is also rebooting replace the mainboard.
If I have helped you with your issue please click accept.
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Thanks
I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771
SOURCE: samsung le32a457 tv comes on for 15 seconds then goes off for 15 seconds repeating
If the power supply has been given a clean bill of health, I would suspect a faulty main board
This
could be caused by lots of things.
Possible
causes that come to mind are.
1. TV is over heating -
2. Power
cord not securely plugged in the wall outlet.
3.lamp
door cover, which could trigger the auto-shutdown switch - you can fix this on
your self by correctly resetting the door cover witch.
4.The
power board is Malfunctioning
You may want a local company come out and take a look because it's difficult to pinpoint the cause without looking at it. You can find a local shop google tv repair in google maps, or call 800-SAMSUNG for an authorized technician.
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