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/
Check the voltage that comes to the back-light inverter board; from the main power board. The absence of this voltage too can be the cause.
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https://www.youtube.com/watch?v=kFdVi2ejfzA
May 8, 2014 - Uploaded by ShopJimmy.com
TV Repair Help for a TV With a Black No Image on the Screen ...Sign in to add this video to a playlist. ... LCD & LED TV Repair - No Image & Blank Black Screen Flashlight ... Easiest TV repair - How to Fix Power [TV turns off, freezes, or won't ... 1:26.Samsung LED TV Blank Screen & No Backlights Basic ...
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https://www.youtube.com/watch?v=L9cjcsysdW4
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TV screen begins to flicker then screen turns black while the audio continues to heard. I'm unable to see the TV Menu options when screen turns off. ... After turning the TV OFF then back ON again, the screen will flicker and then ... 1:26. Samsung LEDTV Repair - T-Con Board Replacement - No Picture on ...
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https://www.youtube.com/watch?v=kFdVi2ejfzA
May 8, 2014 - Uploaded by ShopJimmy.com
TV Repair Help for a TV With a Black No Image on the Screen ... the show I'm watching and then it turns ...
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https://www.youtube.com/watch?v=-TU2KSuect4
Mar 4, 2014 - Uploaded by ShopJimmy.com
i have SAMSUNG led tv with NO picture and there is back light and sound OK, ... Apparently the TV was on ...
Attempting to do service opening the back cover is not advisable, since there are hazardous voltages present even when the power cord is not plugged in. It is better to refer it to a qualified service technician.
Typically, for the symptoms you have described - the power supply board likely has failed capacitor(s). If you were to remove the back of the set - you'd probably notice the power capacitors leaking or bulging.
For your Samsung LN32B360C5D CLICK HERE to see your board/replacement.
The big yellow capacitor in the middle is the likely culprit. While you have it open - check the fuse near the power plug as well.
This is not something that will correct with a reset or button press - it will require repair. If you have it to a repair shop - expect a $75 component repair charge. If the board cannot be repaired - the board itself is $89-$135 plus 1 hour shop labor to replace.
If you weren't having problems, you shouldn't have updated. Samsung on their site says DO NOT UPDATE if you are not having problems... don't fix what isn't broken, now live with your mistake.
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