Samsung M1777 Service Manual page 10

Disassembly and Reassembly
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 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.
4-4
CONTROL-BOX
ASSY PCB
SCREWS
SCREWS
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