Motus M660BR, Service Manual

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3.7 How to Replace the Program BUTTON Board, OSD BUTTON Board &
AUDIO INTERFACE & DOWNLOAD Board in Model M660BUL and
M660BRL
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, M660BUL/BRL_CONSOLE
1) 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).
3) Remove four screws (11, D.1) securing the DISPLAY PANEL TOP (12, D.1) to the DISPLAY
PANEL BOTTOM (10, D.1).
4) 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 the LCD screen faces downward.
Program BUTTON Board
5) On the side of the PROGRAM BUTTON Board (10, G.1), disconnect the PROGRAM
BUTTON CABLE (CB19) which is connected between the MPU_BOARD_FRONT (13, G.1) and
PROGRAM BUTTON Board (10, G.1)
6) Remove the PROGRAM BUTTON Board (10, G.1) from the DISPLAY BUTTON_LCD (9,
G.1) by unscrewing three screws (12, G.1).
7) Install new PROGRAM BUTTON Board (10, G.1) in reverse order.
OSD BUTTON Board
5) On the side of the OSD BUTTON Board (11, G.1), disconnect the OSD BUTTON CABLE
(CB21) which is connected between the A/D Board (8, G.1) and OSD BUTTON Board (11, G.1),
6) Remove the OSD BUTTON Board (11, G.1) from the DISPLAY BUTTON_LCD (9, G.1) by
unscrewing three screws (12, G.1).
7) Install new OSD BUTTON Board (11, G.1) in reverse order.
AUDIO INTERFACE & DOWNLOAD Board
5) Disconnect the AUDIO OUT CABLE (CB21) and DOWNLOAD CABLE (CB10) from the side
of the AUDIO INTERFACE & DOWNLOAD Board (24, G.1).