Unfortunately you probably won't get an answer with those pictures. The angle the pictures are taken from puts the cpu closest to the camera. The board people would need to see clear is in the back left area. It's labeled TX4.
I am afraid he's right... we need a closeup of circuit board TX4 which is on the top at the back of the unit. Also your photos need to be alot bigger than the ones posted too. The bigger the better...