Question about Samsung LN46A530 46 in. LCD HDTV
Like you said it yourself, the clicking noise is associated with the power supply. The clicking noise is actually relays shutting themselves off due to an overload on the line. Possible reasons include failed Voltage regulator ICs, resistors and/or blown capacitors. It might be easier just to replace the power supply board. It should cost you around 150$. If you can get me the part number off the power supply board I can find you a replacement. This is because different tvs of the same model no may have different versions of the same part so it is always recommended to order a part by part number.
Posted on Oct 16, 2010
Before making attempt to buy another power supply board,,
its the problem of overheating in the power supply board of the TV.on the power supply board of the tv there are few capacitors and IC.any of this ic is got short or may be weak.so due to this when you start the TV the current passes from electric outlet to the power supply board of TV.but when the current passes from that weak/faulty part at that time current gets stopped or slow and the board overheats and TV shuts off. this is a common problem faced by many other users too.the possible option to solve this issue is to check the power supply board by a meter and continuity tester and replace the faulty component on the board which is short due to which power supply board is getting overheated.its bit technical job but yes its not at all a costly repair to do or get it done by the technician. for required parts it can be easily available from local electronic hardware shop, but if otherwise you can try ebay.com, shopjimmy.com. It's will cause
65 - 85 dollars.
Hope this help in solving the problem......
Posted on Oct 16, 2010
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Posted on Jan 02, 2017
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