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Removal and Replacement
Maintenance
822
1. Have handy a screwdriver with a size T 15 Torx
R tip (Items 1 and 2).
2. Set the oscilloscope so its right side is down on the work surface, with its
bottom facing you.
3. Unplug the main board power cable.
4. Set the oscilloscope so its bottom is down on the work surface, with its
front facing to the right.
5. If Option 14 is installed and its printer power cable is used on your
instrument, unplug the printer power cable.
6. Unplug the monitor and fan power cables.
7. Remove the chassis ground connector by unbolting it from the main
chassis.
8. Remove the two screws connecting the power supply assembly to the
main chassis (see Figure 811).
Power Supply
Assembly