Question about Samsung LN40A650A LCD TV

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Samsung tv lcd40 keeps rebooting and all you see is black screen and hear start up melody was working just fine then this started

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  • 2 Answers

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Posted on Jan 02, 2017

  • 34 Answers

SOURCE: Samsung LCD flat screen goes black. Turn tv off

Sounds like your power board is failing. contact samsung tech support and describe your problem. some parts on samsung have lifetime warranties and the service call is free.

Posted on Apr 09, 2009

  • 22 Answers

SOURCE: Samsung LCD tv hpr4252x/xaa not working

Did you check the video plug?

Posted on Jun 14, 2009

  • 304 Answers

SOURCE: Screen goes black nafter start up. What can I do?

You probably have some bad buffer boards as well as a bad Y-main bd and or a bad X-Main bd. Have a trained samsung tech troubleshoot the set.

Posted on Jul 17, 2009

  • 1 Answer

SOURCE: Fault with Samsung PS42S5H

sounds like the lower y-sus buffer! take off the back and give me the pcb number should start with Lj92

Posted on Aug 30, 2009

  • 453 Answers

SOURCE: my 52 inch samsung flat screen has a black

u may have a bad lcd panel or s/t-con board , but first check power supply for bad capacitors

Posted on Apr 14, 2010

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Plug into charger hold power button down until device powers down
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https://appauls.com/how-to-fix-the-samsung-galexy-tab-reboot-loop/

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We have LCD 550 Samsung Model# LN32A550P3F bought it 5/5/2008 has worked great until last night it turns on led backlite comes on the melody plays red lite flashes and screen is black we brought another tv...


Don't waste any time on this. Being only 4 months old, it should still be under warranty. Request warranty service or exchange. The power supply module has a problem or the main processing board is telling the power supply to shutdown. In either case, a board change is necessary and should be covered.

Dan

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On your Samsung remote. Press the MENU button. At the botttom of your screen you have the setup selections. Scroll over to the SOUND option and select that, A menu should appear and toward the bottom of the menu you should see MELODY. Scroll down to that and select ON or OFF...

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SAMSUNG TV- model: HLN4365WX/XAA: Component 2 mode not supported


One thing to try is whatever (a box?) connected to that input--remove power from for a short while and then plug back to see if that will reboot the unit connected there.

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http://downloadcenter.samsung.com/content/UM/201009/20100906141849812/[UC7100-NA]BN68-03151A-01L03-0903.pdf
Looks like you press Menu and then Setup on your remote. Page 27 discusses the melody settings. You can either turn off the melody or enable "Fast Start" which will automatically disable the melody.

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Hi,
Usually melody turn On-Off option is available in Settings menu of tv, let me know model number of your tv to provide you more detailed info about how to turn Off melody sound on start up and shut down.
Thanks.

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The volume is not working on our Samsung HPT4254 Plasma. We have a RCA surround sound connected to it as well as our cable box.


First check to make sure that the audio isn't "Muted". Second, Go into the user menu and check to make sure that the "Melody or Chime " is turned "on". Third, Turn the volume up half way.Fourth, Turn "off" the set. You should hear a "Down" Melody or chime. Next turn "on" the set. If you did hear the Melody when you turn the set "on" or "off" then the audio system in the set is ok. If you did not hear the Melody then the Main bd needs to be replaced. Have a trained Samsung tech repair your set.

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1 Answer

Screen goes black nafter start up. What can I do?


You probably have some bad buffer boards as well as a bad Y-main bd and or a bad X-Main bd. Have a trained samsung tech troubleshoot the set.

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Hi Melody, Try removing the battery with the AC unplug for a couple of minutes (an hour preferably). Try with just the AC adapter only with no battery and see if it works; try with the battery only and see if it works, try with both the battery and the AC adapter and see if it works. If none of the above will make it work, then you have probably a hardware issue or BIOS power saving issue. Post back results of the 3 tries and will figure something else. Good luck and kind regards.

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