Question about Samsung LN55B650 55 in. LCD HDTV

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Samsung lcd tv made loud noise and now will not power up

No power

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Check power supply for blown or burnt parts, also make visual check of all PCBs for any blown/burnt parts & any signs of overheating.

Posted on Jan 03, 2015

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ekcnoel
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SOURCE: Samsung LCD TV: Recently the picture on all

just check for your cable it might just loosed try to tighten it.

Posted on Oct 11, 2010

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It sometimes makes a static nose and the picture is dark i have tried messing with the color and back light settings and it doesn't do much


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1 Answer

Tv made a loud noise and does not work


Sounds like you blew a capacitor on your power supply board. Common problem that is addressed elsewhere on this site. I had the same problem on my Samsung LNT4672F, and replaced the blown or bulging capacitors with better ones. That was about 4 years ago. I now am having other issues with the TV, vertical multicolored bars across the screen, and am seeking resolution (pun intended).

Feb 20, 2013 | Samsung LN-S4692D 46 in. LCD HDTV

1 Answer

Samsung LCD HD TV Model # LN-S4041D > 4 years old - working fine until today - While watching TV, I heard 2 loud beeps and the TV image was lost - initially frozen pixels and some moments later .......


Th clicking is from the power relay. You will have to open it up, the first place to look will be the power supply module, look to see if it has any bad caps with leaking/bulging tops first, caps can look OK but can be bad due to high ESR.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Jul 17, 2010 | Samsung LN-S4692D 46 in. LCD HDTV

1 Answer

Every time the tv is switched on or off there is a loud "boing" noise. Very annoying if anyone sleeping in room. Can this be turned off?


Hi,

I want you to try this swap power supply of the TV with a new one see if there will noise still .


Good luck

Dude

Oct 27, 2009 | Samsung LA32A450 32 in. HD-Ready LCD TV

1 Answer

When i turn tv off i hear scraping noise loud like a fan


It looks capacitor sound on Power Board.
need to replace power board

Jan 22, 2009 | Samsung LN-S4692D 46 in. LCD HDTV

1 Answer

Black Screen VERY loud noise


Samsung color wheel fix
http://www.jaGet a new cable if everything else works that is your problem

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