samsung dead screen ? led is lit on ysus ?

[mzone]

just a quick question please.

i have a samsung 50q7hd plasma.

set has no picture just blank. i bought the new panel off someone panel was complete with new boards attached it was new in box. but panel seems dead?

i have noticed the green led 5800 is on,  on the ysus is that normal ?

[RBelectronics]

probably you have broken Y-sus or Y-drive buffer board....check transistors on Ysus board