Question about Samsung LN52A550 LCD TV
You likely have the infamous Samsung capacitor problem. A capacitor(s) on your power supply board has failed, or is failing. Youtube has several videos (search "samsing capacitor) that are generic to Samsung TVs, showing how to identify and replace the failed capacitors with parts that are readily available. What it takes, more than anything, is soldering skills. I own the exact same TV you have (P3F variant), and have fixed it. I'm an electrical engineer with the parts available in my basement, but for me, the fix took about 15 - 30 minutes with the most time removing the back cover, plus if you don't have the parts, a trip to an electrical parts store or Radio Shack, or an order to DigiKey (less than $10). Some have reported that haranguing Samsung customer service brought free fixes even though the warranty has expired. If all else fails, I'd be willing to repair your power supply board, but you'd have to mail it to me and I'm not sure how contact info is passed on Fixya.
There is the possibility that your main board is what is bad, but with Samsung sets, the problem is most always the power supply (and clicking is one of the usual symptoms). Inspecting the power supply for capacitors that have either leaked liquid or have bulged, points to the power supply.
Posted on Jan 19, 2011
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Posted on Jan 02, 2017
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