Tv does not turn on, no picture, no tv, after just one day of use
Called samsung, they said probably power supply, TV should be sent back. I agree. Is this an easy fix, is it expensive? The reason I ask is that it was purchased bestbuy online. I am still waiting, since xmas day, for someone from the online co. to call me. I tried bringing back to the store and they do not except online purchased TV's. Awful policy. They have been giving me a really hard time, never again, anyway it may be easier for me to just have it fixed. Trying to gather all my options.
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Test it this way. With the TV on and receiving a program, shine a flashlight on the screen If you can observe a faint picture then the T-Con board is working correctly but the back light ballast is not. Some models incorporate the ballasts on the power supply board. Others are on a separate board. Go here to get the correct parts to fix your TV TV Parts Universal TV Stands DLP Chips ShopJimmy
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:
Your model Samsung falls under a class actions settlement. These units have defective power supply boards and Samsung has agreed to pay for the repair / replacement of the boards at no cost to the user even if the unit is out of standard warranty. This sounds like the issue with your TV. Here is a link with additional information about the settlement and how to get the warranty work completed.
This is a very common problem. The power supply board has failed and needs to be replaced. You can call 1-800-samsung to find out if this problem will be covered under a warranty and the nearest service center. I replaced at least 150 power supplies last year.
To all who are having power supply issues: Samsung is now acknowledging
a problem with faulty capacitors. I called 1 800 726-7864 and they
said they would repair certain out-of-warranty TVs if the problem is
related to the capacitors. I just called and they are sending a service
rep out to diagnose the problem
check if the back lamps are still on when you lose image, all you have to do is get close to the screen and make is totally black and if is not that means you have a back light working, but if the back light is gone you may have a defective panel.
talked to samsung TA about the same problem I had and the recommend to replace the power supply first to confirm a defective panel because a panel is quite expensive
I would venture to say it is the power supply first. Capacitors in LCD power supply's frequently go bad after a year or two. LCD displays very seldom go bad and I have not seen one kill a set completely.
I had the same problem with a 437. It just shut off one day and I could never turn it back on again. I called Syntax Brillian and they told me the mother board was probably shot. They sent me a new TV and took the damaged one back.