Samsung LN-T4042H LCD TV Flashes On & Off

[Coast Ranger]

I have a Samsung LN-T4042H that "flashes" on and off. It looks like it's on, but the display goes off, then on, then off, then on, and continues doing that as long as the power is on. The cycle is about half a second for each on and each off. Does anyone have any idea which component is acting up? I'm not afraid of taking the back off and replacing a part.

Thanks in advance,

CR

 

[tHa ShIzNiT]

Sounds like a faulty (or burst) capacitor. That is my very uneducated guess, based on the fact that it happened to me on my Samsung TV a few years ago. My TV exhibited roughly the same type of behavior you described here. There was a class action lawsuit against them which allowed me to have them fix it for free.

 

[slag]

Does it come on and work and then after it heats up, starts turning on and off>?

 

[Matt1970]

That model is known for the bad caps in the power supply. There should be 2 of them. Very easy and cheap repair if you can use a solder gun.

 

[SlickSnake]

http://forums.anandtech.com/showthread.php?t=2033121

This might help you out. And I bumped it again, too.