Novametrix Medical Systems MARS PO2 TECH 2001 Service Manual page 47

Assembly Exchanges
9. Unplug P102 (1) The Power Supply connector from the 2775 Main Board, disconnect P109 (2)
Speaker, P108 (3) Sensor, P104 (4) Keypanel, P106 (5) Backlight, P105 (6) Alert Bar, and
P107 (7) Display. Unscrew 2775 Main Board from the rear panel. Remove the front Bezel
assembly then slide the Main Board out, the 2472 Power Supply Board and Battery should be
exposed.
10. The separate sections of the monitor can now be removed.
11. IMPORTANT. The battery is connected to the Power Supply Board through connector P302.
Before attempting to apply power to the monitor ensure all connections are properly made, then
connect the AC mains and turn the rear panel power switch to "|", ensure that the
front panel illuminates before powering up.
12. Remove/replace the various assemblies as needed. IMPORTANT: The monitor will be
damaged if power is applied to it while cables or assemblies are improperly connected.
Rev. 01
Section 8
Maintenance
Model 2001 Service Manual
on the
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