Re: Samsung Plasma- Shutdown Failure- PN64D550C1FXZA

I appreciate the input, however as mentioned in my original post I had already pulled, tested, and re-soldered every component on the board. Agreed the factory solder joints were garbage. All of the components tested perfect, caps well within 20% tolerance and none with high ESR. The supply is getting a shutdown signal FROM THE LOGIC board. If I jump the power supply on the bench it will run for hours on end.

I have a spare supply board that is known good and will try it this afternoon if the new X-Buffer board arrives...

Hello everyone, this is my first post here but I am not new to electronics at all. I have a 4 year old Samsung 64" Plasma PN64D550C1FXZA that began turning itself off after a short period of time. It shuts down, restarts itself 2,3 times then goes completely dead requiring a power cord plug/unplug to reset it. Here is what I have done so far. The picture has no issues and looks great. No physical damage.

[B]VA[/B] 217v on spec
[B]VS[/B] 55.2v on spec
[B]Vscan[/B] -197v on spec
[B]VE/VB[/B] 93v on spec
[B]Pwr ON[/B] Voltage 3.24v on spec
[B]Standby[/B]...

Re: New Members - please post your introductions here

Hello I am new to the forum but no stranger to electronics.