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4-6 Replacement of Control Circuit Board
4-6-1 Removal of Ass'y Control Box
1. Be sure to ground any static electric charge
in your body and never touch the touch control
circuitry.
2. Disconnect the connectors from the control
circuit board.
3. Remove screws securing the control box
assembly.
4. Remove the screw securing the ground tail of
the keyboard.
4-6-2 Removal of Ass'y P.C.B
1. Remove screws securing the control circuit
board.
2. Lift up the control circuit board from the Ass'y
control box.
CONTROL BOX
SCREW
SCREW