Keysight RP7971A Guide D'utilisation Et De Maintenance page 310

7 Service and Maintenance
Remove
screws
2. You can now lift the Constellation assembly out of the unit to access the P600 board and battery.
3. To access the P600 board, use a T8 Torx driver to remove the four heatsink screws. You can now
remove the P600 board from its socket.
Remove 4
heatsink
screws to
remove the
P600 board
4. When reassembling, torque all screws to 9 in-lbs.
310 Keysight RP7970 & RP7980 Series Operating and Service Guide