Replacement Of Control Circuit Board - Samsung PG117 Service Manual

4-8 Replacement of Control Circuit Board

4-8-1 Removal of Grille
1. Remove screws securing the Grille.
2. Push to the arrow direction and pull forward
to take out.
4-8-2 Removal of Control Box
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.
4-8-3 Removal of P.C.B Assembly
1. Pull the lever end of the plastic fastener and
remove the Flexible Printed Circuit(FPC) of
membrane panel.
2. Remove screws securing the control circuit board.
3. Lift up the control circuit board from the Ass'y
control box.
4. When reconnecting the FPC connector, make
sure that the holes on the connector are properly
engaged with the hooks on the Plastic Fastener.
Grille
screws
- 8 -
2
1
ASSY PCB
screws
SCREWS