820-2936 backlight flashing

Glenn

New member
working on a 820-2936.

when board is only connected lcd the backlight flash instead off wiving flashin folder. (http://tinypic.com/r/55qy3q/9)

when i connect all cable i get no pictures and dark screen (only light in apple logo)

any idea?

Have trayd know good lcd and new ram.
i have pictures on mini display port.
 
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