Question about Samsung LN46A630 46 in. LCD HDTV
I have an LN46A630M1FXZA Samsung TV and have experienced the power supply capacitor problem. I replaced the swollen and discolored capacitors and received several months of good service. Now I'm experiencing a similar problem of turning on and off except this time there are alternating green striped screens, pink and blue screens with faint picture, and sometimes an excrutiating squealing white noise sound with some of the different screens. After 5 to 10 minutes a good picture will come on and stay on indefinately. This has been going on for several months. Thinking this was another power supply problem but finding no swollen capacitors, I replaced the power supply board and have the same problem so it looks like it's probably not the ps this time. Would certainly appreciate any advice on where to look next.
Sounds like a main board fault. Contact any service technician to confirm. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
Posted on Mar 21, 2014
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Posted on Jan 02, 2017
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