My Samsung HLP4663WX will intermittently just have a loud popping sound. Sounds like something is cracking in the back of it....but there are no problems with my TV otherwise. Just that loud sound...I'm curious to find out what it is? Should I be worried? Anyone know anything???
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Re: Loud Cracking/Popping Sound
Any other symptoms? You may be just hearing the occasional sound of static being bled off, or, if the set is not working properly, the sound of the high voltage section trying to compensate...accordianman
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Check the speaker first. If it is found OK, Check and replace the damaged component/s at its audio output section circuit board. If needy, 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. Surf the site with patience. http://electro-medical.blogspot.com/ http://electronicshelponline.blogspot.com/
A cracking or popping noise is frequently an indication of an air/fuel mixture that is too lean (too much air). Have a mechanic or mechanically inclined friend check the various vacuum lines on your engine. Sounds like a cracked or broken vacuum hose on the intake side of the engine. Good luck.
The popping sounds are bad capacitors arcing at the high voltage input area. You need to change parts on the power supply and repair the high voltage control card located on the X-sustain..... or you can just order a new power supply board and X-sustain here: CLICK
The 23" CRT set may have a high voltage breakdown in the flyback transformer or focus divider. Take the back off and operate the set in a dark room. Look for anything that has a blue glow around it or sparks flying when the pop occurs. I won't guarantee this will find your problem, but it is definitive if you see these!
I once had a set with these symptoms. I stopped the blue glow and arcing by covering the focus divider with epoxy. It worked for a couple of months before the divider literally broke apart.