Question about Samsung Televison & Video

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I HAVE A SAMSUNG LN46A550P3FXZA LCD TELEVISION. RECENTLY WHEN I TURN IT ON I GET THE BLUE LED POWER LIGHT AND POWER ON ELECTRONIC SOUND BUT NO TV AND NO SOUND. I PUSH MENU AND STILL NOTHING. THIS HAS HAPPENED BEFORE.

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  • Contributor
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There are many tips already on how to replace the capacitors in these units. In your case it will probably be CM852 and CM853 on the Power supply board. They should say 1000uF at 10Volts on both.

Posted on Oct 12, 2010

  • trevrizent Nov 19, 2010

    call Samsung, they know about this error. They told me they would only fix the power supply capacitors. But that didn't fix my TV (same model number as yours), I still have the back light out and the service technician thinks it's the inverter for the backlight.... I'm trying to put pressure on samsung to address this issue, but haven't heard anything yet. I know that this was the TV offered on Amazon's black friday sale 2 years ago... and so a lot of people must be having this problem too. If you guys/girls are out there with this issue please speak up and make Samsung address this faulty manufacturing issue.

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  • Samsung Master
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Tries tv unplug,replug tv back about an hour later.The tv now,should reset itself back to factory.The tv,should work now.Not,than the power supply board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Oct 12, 2010

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Posted on Jan 02, 2017

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POLAROID P40LCD12 SCREEN AT BOTTOM COMES ON BLUE FADES THEN GOES GREEN ABOUT 5 INCHES LOST ON BOTTOM TV WORKS OK BUT THE SCREENS STARTS BLUE ABOUT 5 INCHES FROM BOTTOM THAT FADES AND TOP HALF PIC OK BUT...


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

May 02, 2017 | Polaroid Televison & Video

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We have to push the on button on our TV from 20-100 times to get it to turn on. Have changed batteries and restarted to no avail.


"He said our TV has a problem". Brilliant! To be more specific, he could have suggested switch failure or a failing power supply.

Apr 26, 2017 | Samsung Televison & Video

2 Answers

The menu keeps flashing on and off. I have turn the tv off 4 or 5 times but it still keeps flashing the light on the bottom of tv goes blue then red really fast


How old is your TV? This normally indicates a power problem. It could be any of the following: power supply on the TV, faulty power strip, faulty wall outlet, faulty circuit board inside the TV, faulty power cord/plug, bad airflow/clogged vents restricting air movement into the TV (can cause intermittent power faults),bad sensor inside TV. This is not completely inclusive by any means. It does mean that you should have it looked at. Someone knowledgeable/skilled should be able to determine the cause fairly quickly using a multimeter.

Apr 25, 2017 | Televison & Video

2 Answers

I have a lg55la6200 led/lcd smart TV. When I turn it on it stays on for about 15mins and then the screen turns off but sound still on. I have done the flashlight test and can see the picture.


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Apr 22, 2017 | Televison & Video

2 Answers

Samsung UN55EH6000 has audio, but no backlight LED as seen with flashlight test.


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Feb 29, 2016 | Samsung Electronics UN55EH6000 - 55in...

1 Answer

When I turn on tv comes on then off with no picture.... after a few times of this I get a grainy picture.with a weird noisy... after a few times of this it comes on and the picture and sound are good


Hi,
You have to check and replace the electrolytic capacitor in the power supply board of you tv. some time bad electrolytic capacitors in the power supply can cause power on problems.
check the video too
Samsung LCD TV Power Supply Repair Capacitor Replace LN46A630
www.electro-medical.blogspot.com

Oct 20, 2015 | Samsung Televison & Video

4 Answers

Hisense tv turns on and off


STOP!

The unit has a fault on its power board and sustain board.
It turns off because the sensor is preventing some component from bacoming overheated and catching fire or damaging further components. Seel professional repair.

Please rate my help++++Thanks for using FIXYA

May 13, 2010 | Hisense TL1700 17 in. LCD Television

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