Re: Samsung Plasma PS43D450 with cracked screen



I am going to check each and every Vda with a magnifying glass.. I might spot something......

Re: Samsung Plasma PS43D450 with cracked screen



The LED flashes for a few seconds and then stops. If I try to change the channel/ source / volume etc i get the fast flashing red led light (as normal) so theoretically the remote and ir receiver are ok.

I have no idea what to do whit this tv, I`ve invested over 150 pounds just for boards ..

I tried once to turn it on just with the x supply connected to the power board (without the y one) ... that blew up the x board...

I have tried another main power board, av board and...

Re: Samsung Plasma PS43D450 with cracked screen



I tried, still the same thing. Only this time I get a much brighter screen (for a brief moment) and after that black....

Re: Samsung Plasma PS43D450 with cracked screen

Yes, tried the IR spare as well. and I think that it works it responds to commands.

As for the boards... I have 4 power supply unit boards, 4 AV boards , 3 x,y boards , 3 sets of buffers, 3 invertors.

All it does is switches on for an instance and then switches off. I measured the voltages and except for the stand by 5v and the 15v output all of the others are decreasing in a few seconds from the initial voltage.

Re: Samsung Plasma PS43D450 with cracked screen

Hy,
I have the same TV however with a good display. My problem is that I plug it in and for a brief moment the screen comes on and then shuts down.

I replaced all the boards (twice) with boards from tv`s with broken screens.

What can be the problem?

Thank you