Question about RCA F36668 36" TV

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TV Toubleshooting I believe my TV may be possessed.I will turn the tv on and the darn thing will turn itself off a minute later. It's a Funai. Could it be a fuse going out? Thanks in advance, Jim

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NO ITS NOT THE FUSE. BCOZ IF ITS FUSE IT WILL NOT TURN FOR A FEW MINUTE. MAY BE YOU COULD LOOK FOR CRACK SOLDER IN THE POWER SUPPLY AREA LOOK FOR EVERY PIN OF THE COMPONENT FOR A CRACK AND RESOLDER IT. IF THERE IS NO CRACK IN THAT AREA LOOK IN THE NEARBY AREA OR IF POSSIBLE TO THE WHOLE BOARD.

Posted on Jun 13, 2007

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WHAT TO DO IF MY FUNAI LF320FX4F FLAT SCREEN ...WILL NO LONGER COME ON, AND WHERE TO FIND THE FUSES, OR ORDER A REPLACEMENT POWER SUPPLY?


Try to powercycle the tv by unplugging then pressing the power button and hold for about 1 minute. Once you have done that replug and see if it works. If not, most likely is a mainboard issue. There is a kit available for repair here that you can use that includes all of the parts so you don't have to waste time trying each one at a time. http://digipartsdirect.com/listKits.php?brand=Funai&SId=3

Nov 27, 2014 | Funai 32" LED 720p 60Hz TV | LF320FX4F

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RCA P56950 Powers on then 10 mins later powers off, repeats cycle. Then channel display in TV changes by itself


may be some thing is stuct on the controt pannel power button or others check. try this it may work

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My 26LG300 works for about a minute and then screen goes blank and says no signal. I change channel...same thing happens?


Tries unplug,replug the tv and cable box back like an hour later.The tv now,should reset itself back to the factory setting.The cable box will,reseting itself and updated it softwares.The tv should work now.

Oct 21, 2010 | LG 26LG30 26 in. LCD TV

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TV won't stay on


One of two things can be the problem...one the bulb is bad...two the ballast is bad. If the bulb is not bad then the ballast is...it can usually be fixed by replacing a resistor on the board itself...it is labeled R3 and is a 1000 ohm resistor

Jul 25, 2010 | Toshiba TheaterWide 46HM84 46" Rear...

1 Answer

My 32 inch emerson powers up and cuts off after a few seconds.


Hi, I own the same TV and had the same problem. It's the #1 plaguing issue with flat panel TVs made by Funai corp. Emerson is made by them. Normally, when this happens, the TV goes into " Protection Mode " because of a failing circuit board.

The most common thing to go out on flat panel TV is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom. I'm willing to bet you have the same problem like mine. One of six Inverter Transformers when bad on my Power/Backlight Inverter Supply Board. I replaced it and it works fine again. d66cb18.jpg

You have a few choices:

1. You can try leaving the TV unplugged for 30 minutes so the TV can reset itself.


2. If you have some electronic experience, if you can find and purchase a Service Manual at Tvtechcenter.com:
http://www.tvtechcenter.com/xcart/search.php?mode=search&page=1 It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you circuit diagrams, test points, and part# lists.Usually, cost under $6. And most cases the new part cost less than $15.
http://www.partstore.com/Part/Funai%20Corporation%20Inc/Funai/LTZ2PC0MS008.aspx

http://www.encompassparts.com/products/?LTZ2PC0MS008

3. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.

Sep 10, 2009 | Emerson LC320EM8 32 in. LCD TV

1 Answer

TV turns on & off by itself


push the menu button,try to look for an optioncall "Auto shut off" or "alarm".
google rca tv(model number,its on the back of your tv.)manual and read it.
dont worry your tv its not possessed.

Aug 21, 2009 | Proton MM2701VT 27" TV

1 Answer

Power turn off after 45 minutes to 1 hour used


Check the "Sleep Timer" settings. If set to 45 minutes then TV would automatically turn itself off 45 minutes from being turned on. The variance in the "on" times is due to the TV turning itself off after not getting a signal from the remote for fifteen minutes.

Good luck,
Techjoel

May 09, 2009 | Sony KDS-60A2000 60" HDTV

1 Answer

Sylvania Lcd 32 in.


Is it under warranty by chance?
What is happening is when you turn on the TV, it's trying to power up the screen at that moment. If it can't power up the screen, it will turn off automatically. This is what they call, "Protection Mode".
All the TVs made by Funai (Emerson and Sylvania) are having the same problem. The Inverter Transformers needed to power up the screen are somewhat low quality and burn out easily. I'm sure of of them burned out.
Your TV, I believe, takes 6 of those things to power the screen. And they are all on one circuit board.

If the TV is not under warranty, then let me know what the board number is on that circuit board. The board inside the TV should have maybe 6 connectors that hook up the screen. I may be able to track down a replacement board for you.

Apr 25, 2009 | Sylvania LC320SS8 32 in. LCD Television

1 Answer

Tv cuts off and green light flashes


If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.

Good luck!

Donnieboy999

Jul 19, 2008 | Sony KDF-E42A10 42 in. LCD Television

1 Answer

Black screen after 1-2 minutes.


Hi, I just fixed one I bought on eBay with the same problem. My problem was caused by the screen backlight inverter. Fortunately I had one from another TV I bought last year on eBay. The repair only took about 15 minutes. Your best bet is to contact Funai Corp. and really complain even if it is out of warranty. They make Emerson, Funai, Symphonic and Sylvania and all the parts inside are the same (from the same years). If that don't work look on eBay for one with a broken screen or some other damage, call your local dealer and see if they have the inverter from a broken TV or ask around. We have a freecycle group in Michigan that recycles things rather than throw them in landfills you may have one in your state too !
Good Luck,

Jul 15, 2007 | Sylvania 6620LDG 20 in. EDTV-Ready LCD...

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