Replacement Of Control Circuit Board - Samsung M308R Service Manual

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.
4-6-2 Remonal 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.
4-6-3 Removal of Window Display
1. Window display should not be disassembled as its mounting tabs will be broken. If repair work is
difficult, replace with Ass'y control panel.
2. The membrane key board is attached to the escutcheon base with doublefaced adhesive tape. Therefore,
applying hot air such as using of hair dryer is recommended for smoother removal.
Samsung Electronics
Disassembly and Reassembly
4-3