Thank you so much! My TV is now working again.

Best regards!...

Hello, as I mentioned in the title, I have a Samsung TV at home, model UE40MU6405U, which is about 5 or 6 years old.

After a power company failure, the TV stopped turning on and even the standby light wouldn't come on. Over a period of about 10 seconds, the electricity kept going off and on repeatedly, and the TV died.

The power supply is: L40E6_KSM (BN44-00875A)
The main board: BN41-02568B

The power supply board seems to be fine. All the voltages are present. If I disconnect it from the main board, I get backlight.

I've also checked the...

Hello everyone,

Let me introduce myself: I'm an electronics enthusiast, mainly focused on retro electronics, but every now and then I have to face "modern challenges" where everything involves surface-mount soldering, for which I need magnifying glasses with quite a bit of zoom—such is my age. I don't make a living from this nor do I have any commercial activity related to it. It's just a hobby.

I don't like throwing things away before trying to repair them (if possible), and that's why I'm here. Also, if I learn something new, it's only fair to help others...