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Mark Miller Posted on Jun 22, 2017

Samsung LED no picture with sound. Backlights work. Is this a T-con board issue?

5 Related Answers

gopakumarg43

The Knight

  • 76851 Answers
  • Posted on Jun 24, 2015

SOURCE: magnavox lcd tv model 37md350b/f7 sound but no video ,backlights working.

T'Con board fault. Replace it. If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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gopakumarg43

The Knight

  • 76851 Answers
  • Posted on Oct 22, 2015

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/

enquiries83820

George

  • 132 Answers
  • Posted on Jan 13, 2016

SOURCE: On my Hisense 50K23DG LED TV, I have sound but no picture.

Hi,
Hisense TV's usually use PCB Boards by Vestel and not Hisense themselves, have a look at: Vestel Help If the Boards in your Hisense match this Board/Part Number format at least you'll know what to search for, replacing the power supply will not help unless the process has been incorporated into the power supply and that is not known for certain yet
Good Hunting

Lawrence Oravetz

  • 10558 Answers
  • Posted on Aug 07, 2016

SOURCE: Samsung TV

If you see a picture with the flashlight you can rule out the T-Con board. It's working. So the led driver board is the problem. TV Parts Universal TV Stands DLP Chips ShopJimmy Go here for replacement parts.

richie46

  • 12962 Answers
  • Posted on Aug 12, 2016

SOURCE: Hi. I have a Samsung LED 46" model #UN46EH5000FXZA, with no picture but has sound.I replaced the power supply board & T-Con board & still no picture but have sound. What can I do next??

Do flashlight test to see if y0ou can see an image - if so replace the inverter board that powers backlights. If no image then go for the main board.

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Related Questions:

0helpful
2answers

Can bad T-Con board cause Samsung TV to flicker off and on?

I think an LED problem is more likely. The LED strips are usually powered by a driver circuit on the power supply board. You can check this with a bright flashlight shining on the front of the display at about a 20° angle from parallel to the display. If you can see the picture or the menu with the flashlight beam during the "dark" period, the problem is NOT likely to be the T-Con board.

You can also look at the back of the set with the cover removed - most sets have a number of vent holes in the back plate through which the backlight can be seen when it is on. If these holes go dark when the TV goes black, the backlight is being turned off.

When the screen is lit, take a picture quickly and look for dark spots. Maybe one of the LEDs has a partial short that shuts down the LED power and triggers a retry cycle. If so, after a while it will burn out and then the entire LED strip will be inoperative.
0helpful
1answer

LED TV has sound but no picture, backlights are on, replaced T-con. It is the panel dead or could it be the main board?

Hi Pat, I'd test F1 on the tcon board to see if it's blown, if it tests ok try a main board, only way to know for sure if the main is outputting video to the tcon would be with a scope
0helpful
1answer

Samsung smart tv no picture and sound. Replaced T-CON and Main Board. Same result. Any ideas?

did you change power supply? how many times does light flash (red) you didnt change the power supply did you use a vom on connections?

We Are Here To Help !!!
Donal Deane MCSE,ASE,CPO
0helpful
1answer
1helpful
1answer

Hi. I have a Samsung LED 46" model #UN46EH5000FXZA, with no picture but has sound.I replaced the power supply board & T-Con board & still no picture but have sound. What can I do next??

Do flashlight test to see if y0ou can see an image - if so replace the inverter board that powers backlights. If no image then go for the main board.
1helpful
1answer

What's my next step in diagnosing my Vizio LCD TV picture issue?

Hi Tim,
If all the boards you replaced were good and working, the only thing remains is the panel if the backlights are on. Please see that the LVDS cable is carrying voltage to the Tcon board.
Good luck.
0helpful
2answers

I have a Samsung TV model UN50H6350AFXZA which has sound but no picture. Backlights work. Replaced t-con board with new one, but not fixed. What next?

Main board. T con board is only involved with video issues. Main board goes both ways and since you already replaced the T con board that is your only alternative. U got backlite so inverter board is good.
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