Motus M660BR, Service Manual

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3.5 How to Replace the OPERATION BUTTON Board
Do the steps below while referring to the following Exploded Views in Appendix and Section
4
ELECTRONIC PCB, CONNECTOR AND CABLE OVERVIEW.
D.1 M660BU/BUL_CONSOLE POST
G.1 CONSOLE
1) If the machine is M660BUL or M660BRL with LCD monitor, turn off the unit power at the
switch and then unplug the line cord at wall outlet.
2) Remove the DISPLAY REAR COVER (13, D.1) from the DISPLAY PANEL BOTTM (10, D.1)
by unscrewing four screws (8, D.1).
2) Remove four screws (11, D.1) securing the DISPLAY PANEL TOP (12, D.1) to the DISPLAY
PANEL BOTTOM (10, D.1).
3) Lift off the DISPLAY PANEL TOP (12, D.1) while disconnecting all the cables from the
DISPLAY PANEL TOP (12, D.1) and then place the DISPLAY PANEL TOP (12, D.1) on the flat
and clean surface so that it faces downward.
4) Disconnect all of cables from the OPERATION BUTTON BOARD (21, G.1).
5) Remove the OPERATION BUTTON BOARD from the DISPLAY BUTTON CONTROL (20,
G.1) by unscrewing five screws (12, G.1).
6) Install new OPERATION BUTTON BOARD (21, G.1) in reverse order.