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Try pressing the Source button on the Remote and run through all the Input options.
You can also try a full Power reset. Disconnect the power to everything for 5 minutes including the router. Plug back in, wait 10 minutes. Switch television on and try again.
Check and replace the damaged component/s at its main board. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
I know this is going to sound strange but I have something to check. If you have LED lights in your house turn them all off. When they are off turn on your TV and see if your TV stays on. Yes, there could be many problems but this one is cropping up quite a bit. If this does not work then you need to take a look at the power supply board.
First thing you can try is:
1. Unplug it from the power cord and wait a few minutes.
2. Turn it on (when it's still unplugged from power)
3. Plug it in power and try to turn it on again
Let me know if this fixes your problem or we need to look for other solutions.
power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
You didn't say whether the unit was powering on or not. If there are numbers in the display but the unit will not eject the disc, try holding down the STOP button on the remote for 5 or 10 seconds. This will sometimes act as an EJECT command.
If the display does not come on when you plug it in and try to turn it on, the player has probably died. The only way you can get at the disc is to extract it by opening the Magnavox case. Sometimes you can just slide the disc out of the carrier, but usually you will have to look for an exposed gear and use a screwdriver to manually turn it. Push the gear clockwise, and it should lower itself and unlock the tray, which will then start to slide out. Don't force it. If it will not budge, try counter clockwise, or look for a different gear.
Hi,try to reset lamp timer by unplugging tv wait 5 min and plug it back again.Check for clicking sounds it could be the ballast which is the board that powers the lamp that it could be bad.God bless you!
I have exactly the same problem with a Magnavox LCD 42", very similar model 42MF437B/37. I don't have a solution. If you unplug the TV and plug it back it starts working, sometimes for hours, sometimes for less than 5 minutes, before it turns off again. Does anyone have any real solution?
Has it been moved latley? try to unplug it over night then try it. Sometimes they need to be reset. Some tvs go threw a test phase and need to do it a few times. If it has taken a fall it could be damaged or somthing may have come unplugged internaly. It may have over heated is it free from dust? electronics attract dust like a magnet. Is there any signs of somthing spilled on it? water damage?
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