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SAMSUNG MODEL #LN-R377D, THE SOUND WORKS BUT THERE IS NO PICTURE. THE SCREEN IS A LIT UP BLACK WHICH YOU CAN TELL IS DIFFERENT THAN THE DULL POWER OFF BLACK. I HAVE FOUND REFERENCE TO A BAD T-CON BOARD IN OTHER MODELS THAT SOLVES THIS ISSUE BUT NOT FO RMY MODEL. ANY IDEAS?

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You have described that the panel is illuminating but no video. The T-con bd may well be bad. However the T-con bd cannot be replaced by itself. It is part of the panel and the Panel will have to be replaced. I hope it is warranty or you have a extended warranty. The Main bd could cause this but you need a trained Samsung tech to find out,

Posted on Jul 17, 2009

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Posted on Jan 02, 2017

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1 Answer

Why does the screen go black but yet still sound?


Moat likely it is because your power supply is defective and it is not producing tv sufficient voltage to power the backlight. I would replace the power supply.

Jun 29, 2014 | Samsung LN-S4041D 40 in. LCD HDTV

2 Answers

I have a 40" Samsung


Whn the picture does not come on, is the backlight still on? You will have a dull glow if it is, but you have to look really close as it is very faint. It sounds like a T-con board problem to me but I would like to be sure

Feb 01, 2011 | Samsung LN-T4061F 40 in. LCD HDTV

1 Answer

My plasma samsung model sp r4212 the screen goes black you can still hear and when picture comes back on there is also a buzzing sound


press the center power button for about 30 secs verify that the video cables are plugged in and try a different set of cables. If not unplug tv for 2 mins.
GOOD LUCK.
CNBY

Jun 03, 2010 | Samsung LN-S2651D 26 in. LCD Television

3 Answers

My Samsung LN-S2651D has sound but no picture


Hello,

Check with Samsung, this model should still be under the 3 year warranty. You are having a problem with the backlight power supply. You can look on the back of the unit for the manuf. date, if its less than 3 years then go to www.samsung.com and process the online service request form.

I hope this helps,if so please rate our solution.

Buddy
Corporate Computer
www.ccl-la.com

May 20, 2010 | Samsung LN-S2651D 26 in. LCD Television

1 Answer

Turn on sound without picture


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. Look for 5vdc, 12vdc, and 24dvc.
http://en.wikipedia.org/wiki/Capacitor_plague
Parts: http://www.shopjimmy.com/catalogsearch/result/?q=Samsung+LN-S4051D+
Please post back what you find.

Dec 25, 2009 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

Need a remote fix for no picture but still have sound for samsung


check if the back lamps are still on when you lose image, all you have to do is get close to the screen and make is totally black and if is not that means you have a back light working, but if the back light is gone you may have a defective panel.

talked to samsung TA about the same problem I had and the recommend to replace the power supply first to confirm a defective panel because a panel is quite expensive

May 28, 2009 | Samsung LN-T4665F 46 in. LCD Television

2 Answers

No picture


try chicking the horizontal section or vedio section...

Jan 28, 2008 | Samsung LN-S4051D 40 in. LCD Television

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