TH-50PX75U NO Video\Sound No Blinks Turns on fine

[reliantkcar]

I have a TH50PX75U

50" plasma tv. it turns on fine and you can see the glow
it turns on from the remote also

it just doesn't show a picture or do anything after that

I checked the service manual and unplugged D5 connector and powered it on
I get a full white screen so according to that the power,sustain,and D board are fine.

I'm thinking mainboard or the mainboard isn't getting the right voltage

any ideas it seems all the normasl issues have a blink code?

[reliantkcar]

Re: TH-50PX75U NO Video\Sound No Blinks Turns on fine

Any ideas the mainboard seems impossible to find anyone selling one?

[tucocaps]

Re: TH-50PX75U NO Video\Sound No Blinks Turns on fine

I might be selling parts off the one I have, if I can't fix it. Be sure you have a real good idea of what is wrong though. Debugging this kind of tv can be more than tricky (see my other posts on my SD woes).

[reliantkcar]

Re: TH-50PX75U NO Video\Sound No Blinks Turns on fine

I followed the service manual and when I unplugged the D5 from the main to d board i got a solid white screen which is supplied by the ic on the d board and there were no lines or artifacts and the manual said the only thing it could be is the mainboard.

and everywhere the power,d board,and mainboard are out of stock so these tv have alot of issues. I should have kept my Yamaha PDM-1 it just had one intermittent vertical green line and was from 2002 and worked perfect....