Removing the Rear Case
Repairing the Monitor
4-10 Efficia CM Series Repair Guide
Removing the Rear Case
To open the monitor to install internal replacement parts, you must first remove the
rear case.
To remove the rear case:
3
Select the Recorder Test button.
The Recorder Test menu appears.
4
Select the Upgrade Firmware button.
The upgrade starts and displays the status as the upgrade proceeds.
5
The monitor restarts.
Step
1
Shut down the monitor. See “Shutting Down the Monitor” on page 4-1.
1
Disconnect the AC power cable from the back of the monitor.
2
Remove the battery from the monitor (see “Replacing the Battery” on
page 4-5).
3
Disconnect all external cables from the monitor.
4
If the monitor has an optional recorder, remove it. See “Replacing the
Recorder” on page 4-8.
5
Remove the three Torx T20 screws (torque: 1.2 Nm) from the top of the
monitor.
Top screws