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Emerson TV EWL205SC does not turn on

I have an Emerson EWL205SC that turn on for 10 seconds then shut off, I have changed the capacitor C370 that value had changed from the inverter CBA, but now TV never turn on, just the standby red led turns for a second and nothing happen, please help

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You must have some electronic experience when you replaced the bad capacitor. Best thing to do is find a Service Manual for your TV on the internet. It will really help you in a big way to diagnose the source of the problem. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $20.
Another thing you might want to look at on the board is the part that supplies power for the screen. Most manufactures call it a Backlight Inverter Board. But, for this model, it maybe all in one power supply board. The TV maybe trying to power up the screen and failed. Then, when into protection mode.

I hope I shed some light on the subject for you.

Posted on Jul 14, 2009

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Check capacitor on power board they must be changed 1st

Aug 02, 2016 | Emerson Televison & Video

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My emerson 32 inch tv just shUT off in the middle of a movie. Now has no indicator lights. I tried to unplug it,checked breaker,changed outlet. ..nothing


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
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The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
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https://www.youtube.com/watch?v=TR2iWN6b-LY



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1 Answer

Tv automatically shuts off after being on for a few seconds EWL20S5


The most common problem for this set that will cause shutdown after a few seconds is the inverter board. Looking at the set from the back, it is the long slim board that is normally located on the far left side of most lcd tv's. There are 3 electrolytic capacitors located on this board, and changing them will fix a lot of these sets for this problem. The location numbers of the caps are c330, c350, and c370. If you have any experience working on electronics, I would start by changing these caps. They are very inexpensive. If you would rather just change the inverter board, try shopjimmy.com. That is a good place to buy boards for flat screen tvs.

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1 Answer

I have an Emerson TV Model #LC320EM9B about 1


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

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1 Answer

Power


Hello,

A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps

Jun 02, 2010 | Emerson LC320EM8 32 in. LCD TV

1 Answer

Turn off after 10 seconds


Have one that had this problem. It was a bad capacitor in the power supply for the LCD screen shorting the board causing protection circuit to activate and shutdown TV. I tried to find direct replacement but of course with all things made in China you would have to go back to a distributor in China to get it. I harvested a similar capacitor from the power supply of an old CRT TV installed it and now the TV works perfect! Good luck

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Replace 3 capacitors on the protect printboard. (located near the outpt terminals) 50V electrolyt: 4,7uF, 47uf and 10uF. And move the big diode to the back of the printboard (the heat from the diode dries out the capacitors)

Work in 9/10 times ;)

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1 Answer

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capacitors in the power supply, they all should be replaced, before it takes out the rest of the ps. there are companies that rebuild them if your tech is not up on repairing them.

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