Keysight Technologies EDU33210 Series Service Manual page 12

1. Remove four screws as shown below.
2. Remove the rear panel.
3. Remove nine screws from the chassis. Then, remove the chassis from the front panel.
4. The battery is located at the main board.
5. Press out the small spring clips (see red circle below). Use a flat-bladed plastic screwdriver and carefully pry up
on the side of the battery.
6. Install the new battery. Make sure that the positive side (+) is facing up. Place the battery under the small spring
clips (see red circle below), then push down on the opposite end of the battery to seat the battery (see red arrow
below).
7. Assemble the rear panel when finished.
8. Reset the date and time.
Properly dispose of the old battery in accordance with local laws and regulations.
12 Keysight EDU33210 Series Service Guide