Sound Disappeared for Samsung LCD - Unit is only 8months Old
I was watching earlier today when I decided to turn the unit off for a minute. When I came back the sound disappeared. I checked the internal mute and the volume for each channel but I still couldn't determine what the problem was. I decided to turn it off for a few hours (around 2hrs) when I tried the TV again the sound was back. Unfortunately when I turned it off and on again the sound disappeared. I tried using my old ps2 to check the sound and I couldnt get any out of it. What could be the problem? Thanks for your help.
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That is an indication of a failure in the back light inverter power supply. That model Samsung is covered under a class action lawsuit settlement. Samsung has agreed to repair all TVs with bad power supply board free of charge for parts and labor even if the unit is out of standard warranty. You will need to contact Samsung to arrange the warranty service on the unit. You can get full details and Samsung contact information here:
Tv has no picture or sound; will go out while watching. The picture will go into a line and sound and picture will go out; shortly after that tv will turn off. Did this last nite and I did not turn back on until this morning, it worked no problem. On for couple of hours and now it's out again. What could be problem and how do I fix myself
I had exactly the same problem with my LE40B550 which I bought in July. I phoned the place I bought it online (eBuyer) and they put me in contact with a Samsung repair centre who fixed it under warranty. It took them 2½ weeks to fix it and get it back to me. The note that came back with the TV said they had replaced the IP board. I think the part number was H40F1 9HS. The repair centre paid less than £50 for the board (it shows on the returns paperwork).
If you only bought yours in August, and haven't had it fixed yet, I suggest you just get in contact with whoever you bought it from and get it done under warranty.
the old saying is that any issues will likely show up in the 1st 3 days if you run it for 72 hrs. if it dosent fail then it will last. other than going to the show room and seeing if their unit does the same. they will likely want to send a service guy to check it out and decide for himself.