A SERVICE OF

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Removal and Replacement
Maintenance
6Ć20
1. Have handy a screwdriver with a size TĆ15 TorxR tip (Items 1 and 2),
BNC wrench (ItemĂ14), BNC fixture (ItemĂ15), and soldering iron
(ItemĂ12).
2. Remove the front trim ring as outlined on page 6Ć15.
3. Set the oscilloscope so its top side is down on the work surface and its
front is facing you.
4. If present, unplug the option board cables.
5. Unplug the power supply cable at the power supply.
6. Unplug the monitor cable at the monitor assembly and power supply;
carefully route the cable out through its access hole.
7. Unplug the front panel cable.
8. Using Figure 6Ć10 as a guide, remove the eight TĆ15 TorxR screws
securing the main board assembly to the chassis.
Main Board
Assembly