Question about Samsung LN-S4692D 46 in. LCD HDTV

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

47' samsung tv

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

Posted on Feb 09, 2009

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I hear the fan almost non stop while the tv is on.


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If it sounds like a scraping noise it could be the motor bracket ah broken and the squirrel cage (fan assembly) is hitting the fan housing, if it is more of a squeal than it very well could be a bearing. Very hard to guess without seeing or hearing it.

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When i turn the tv on ,sometimes i hear a high pitched fan noise.


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1 Answer

Loud noise when Tv comes on souns like fan.


The loud noise is the color wheel winding down when you turn the TV off. You need to replace the color wheel.

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Samsung DLP TV is making a buzzing sound. Sounds like something spinning. Can hear it speed up to full spend when turned on and slow down and stop when powering off the TV. Loud at times.


More than likely this is the cooling fan. I have a Samsung DLP myself, and at times, I can hear the fan running also. There could be something wrong with the fan, but I kind of doubt it. Just make sure that the TV is in a spot with lots of ventilation....otherwise, you might have to live with this noise.

Hope this helps!!
Chad

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1 Answer

Loud poping noise


It sounds like the popping noise you heard was a capacitor blowing its top somewhere in the tv. Sorry I cannot be more specific but if you manage to find out where this cap has gone also check any resistors near it as they can be also damaged. If you cant do this call out a competant technician. Good luck.

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