Re: Sony KDL-46S504 - Replaced Power Supply, No Picture

"new" main board fixed it! to make it even better, the ebayer that i bought the board from made a shipping error. he ended up rectifying it and just giving the board to me for free. so i ended up getting a 46" tv for about $60 in parts! thanks to everyone for their advice.

Re: Sony KDL-46S504 - Replaced Power Supply, No Picture

nope, no backlights that i can see.

Re: Sony KDL-46S504 - Replaced Power Supply, No Picture

I also just looked at the back of the main board and noticed that there was some light browning in a few spots. Is this normal at all or evidence of scorching? I have to run to work but I'll post pictures later.

Re: Sony KDL-46S504 - Replaced Power Supply, No Picture

New Main Board ordered. I'll update the thread once I install it.

Re: Sony KDL-46S504 - Replaced Power Supply, No Picture

One more thing, I also noticed a slight buzzing coming from both the speakers and the top-center board on the tv (I'm not sure which board this is, it still has a metal panel covering it).

Re: Sony KDL-46S504 - Replaced Power Supply, No Picture


No power at all. No response to the "power" button and no green led indicator. This happened following a power surge....

Re: Sony KDL-46S504 - Replaced Power Supply, No Picture


Is the Main Board the next logical step in board to replace? Is there any testing that I should do first?...

So, a couple weeks ago I picked up a Sony KDL-46S504 that was the victim of a power surge. According to the previous owners, the screen flashed white during a lightning storm and then they were unable to turn the TV back on.

I'm new to electronics repair in general but I did a little research and figured out that replacing the power supply might be worth a shot. Well, now I have the new power supply installed. When I press the "power" button, I hear a click from the power supply and the front green led indicator turns on. However, that's it. I get no picture and none of...