Question about Samsung Televison & Video

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My samsung 65 7150 seemed to have a bad main board. So I ordered a used one and replaced it. Now the LED lights up but niether there is a picture nor does the button work any more...

Before I replaced the main board the TV used to turn on, flash and turn off immediately. Any clue whats happening..

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  • Samsung Master
  • 55,370 Answers

Probably the used replacement board is defective.

Posted on Dec 10, 2019

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6 Suggested Answers

6ya6ya

6ya staff

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Posted on Jan 02, 2017

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Jaime Hernandez

  • 2337 Answers

SOURCE: Samsung DLP HL-S5087W 56" Confused...

I would suggest to remove the lamp again and visual check the filament or you can also use a multimeter and check for continuity or low resistance. If you have low resistance or continuity when you measure it, It means the lamp still good.
I would contact the lamp vendor and let them know that the lamp failed. I think they gave some warranty on the lamp.
Let me know if you need further assistance.

Posted on May 17, 2008

bvanjoff

  • 1043 Answers

SOURCE: I have a Samsung 56"

Actually the Samsung model you have was the first model to come out in 2006 that did not have a color wheel. The LED blinking is actually a self diagnostic program of sorts. Depending on which lights are blinking, and how often, the service manual will tell you where you should start checking or replacing parts and assemblies. I do have most of the codes, so can you tell me if the if the LED light is the only one flashing, how long it flashes, and do any other lights flash at all? Thank you.

Posted on Feb 20, 2011

SOURCE: Why won't my Samsung UN40D5005BF come on?

Lightning damage can do a # on LCD TV's. I've seen cases where it took out power supplies and main boards at the same time. I'm not one who likes to use the "shot gun" approach. You would need to get the set professionally diagnosed in my opinion. Where did you get the main board from?? Are you sure it is a working board?

Posted on Sep 02, 2012

Michael Carroll

  • 742 Answers

SOURCE: I have a samsung lnt4066 led TV with a distorted picture. I have replaced the main board, power supply and the t con board with no success. I have pictures of what the TV is doing and would like to sh

You either have a bad t-con board or the screen is bad. Check to make sure all the ribbon cables are seated fully and connected. Even replacement parts can be bad sometimes, new and used both.

Posted on Jan 09, 2015

gopakumarg43

The Knight

  • 76204 Answers

SOURCE: Samsung UN50H6203AF 50" led tv sounds works but no picture. Backlights light up when I turn it on so I replaced the t con board but still no picture. What's the next step?

The display panel should be suspected. The picture you attached here looks so. Contact the authorized service center. 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/

Posted on Oct 22, 2015

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I have a Samsung UN50EH5000FXZA TV with no picture. I've replaced all 3 boards and the cable between the main and T Con boards. Any ideas?


It sounds like you received a bad replacement board, happens a lot of buying from ebay...if you can see light in the panel the LED's are working

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You have at least one bad LED in the panel and its shutting down the power supply...for future reference a bad Tcon will not cause loss of sound only affects picture

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I have a Samsung LED TV that has a picture but really dark. Seems like the led driver is out but I can't find out which board the driver is located on. It is model number UM65F7100AFXZA. Thanks!!!


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/
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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://electro-medical.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 06, 2017 | Samsung Televison & Video

1 Answer

I have purchased a power supply led board and a main board board for my Samsung Tv and that didn't help. The light flicker on then go back off


Did you replace the LED light strips? You have a bad connection on the LED light strips or one LED itself is going bad.

If you need further help, reach me via phone at https://www.6ya.com/expert/steven_a67ead41eb5fc62a

Feb 01, 2017 | Samsung Televison & Video

1 Answer

I've a Samsung LED TV (model UN32EH5300FXZA) that has no picture but has sound. Everything I read online points to a bad backlight inverter board, but I can't seem to find one. Is it the T-con board?


This problem is not that simple. Your set has LED back lights and does not use an inverter. It gets power for the LED lights from the power board. The manufacturers push the limits of the LED lights to get the maximum brightness. This can lead to premature failure. The light strips and the power supply are here:http://www.shopjimmy.com/catalogsearch/result/?q=UN32EH5300FXZA

Jan 29, 2017 | Samsung Televison & Video

1 Answer

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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://electro-medical.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.

Dec 22, 2016 | Samsung Televison & Video

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SAMSUNG UN65H7150AFXZA WAS ON WORKING OK. Left an when returned black screen with standby light on.


Main system control memory IC fault. This is a very small IC; have 8 solder terminals, and can be located very near to the main system control-chroma IC. Check and replace it. Be sure to replace it with the same number printed on it; in all respect. Otherwise, it won't go. http://electronicshelponline.blogspot.com/ Before replacing it, try a reset to this set, and then check.

Dec 13, 2016 | Samsung Televison & Video

1 Answer

Samsung TV no picture from any sources.


Sounds like 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.

Jul 26, 2016 | Samsung Televison & Video

1 Answer

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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.

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