Motus M770E, Service Manual

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3.2 How to Replace the A/D Board in Model M770EL
Do the steps below while referring to Fig 3a CONSOLE & POST, Fig 3b CONSOLE and Section
4 ELECTRONIC PCB, CONNECTOR AND CABLE OVERVIEW.
1) Turn off the unit power at the switch and then unplug the line cord at wall outlet.
2) Remove the DISPLAY REAR COVER (74) from the DISPLAY PANEL BOTTM (73) by
unscrewing four screws (75).
3) Remove four screws (73) securing the DISPLAY PANEL TOP (63) to the DISPLAY PANEL
BOTTOM (72).
4) Lift off the DISPLAY PANEL TOP (63) while disconnecting all the cables from the DISPLAY
PANEL TOP (63) and then place the DISPLAY PANEL TOP (63) on the flat and clean surface
so that the LCD screen faces downward.
5) Disconnect all the cables from the A/D BOARD (8).
6) Remove the A/D BOARD (8) from the LCD PANEL BRACKET (3) by unscrewing four screws
(7).
7) Install new A/D BOARD (8) in reverse order
.