Acid contamination on PC board, TFT-LCD and video board.

1202: TFT-LCD: cleaning and drying.
PC board: cleaning of the CPU PIN's and registers.
Video board: was many acid and corrosion. 
Cleaning and soldering PAD's.
Work under microscope.
Price from outside technical service 87000 shek.
1825: New PC (instead our MB) installed.