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4-6 Replacement of Control Circuit Board
4-6-1 Removal of Control Box Assembly
1. Be sure to ground any static electric charge in your
body and never touch the control circuit.
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 Assembly
1. Remove screws securing the control circuit board.
2. Lift up the control circuit board from the
Ass’y control box.
CONTROL-BOX
SCREW
SCREWS
ASSY-KEY
MODULE
PCB
