3DR Solo S110A User Manual - page 60
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10.4.3 Leg #4 with Compass
Solo’s right-rear leg (#4) contains the compass module. Start by detaching the leg from the arm as you would a
standard leg, but the leg will not be removable until you disconnect the compass from Solo. To access the compass
connector, you’ll need to remove the battery tray from Solo. For battery tray removal instructions, see Section 10.5.
With the battery tray removed, locate the compass connector in the corner of the board closest to the leg being
replaced. Disconnect the compass connector from the board by holding down the tab on the far side of the
connector and lifting up the connector. Because the space between the arm and the connector is limited, it might
help to use a screwdriver to press the tab.
Figure 10.4.3.1: Compass Connector on Mainboard
With the compass disconnected, remove the old leg and cable from Solo. Place the new leg into position and thread
the new compass cable through the arm where it can connect to the board. Connect the compass connector in the
same place as the old compass.
Figure 10.4.3.2: Insert New Leg with Compass
Secure the new leg in place and replace the battery tray.