70 16901A Logic Analysis System Service Guide
6 Replacing Assemblies
To remove and replace the fans
60 mm fan
1 Perform previous procedures:
• “To prepare the instrument for disassembly” on
page 46.
• “To remove and replace the cover” on page 50.
2 Disconnect the fan cable from the module interface board
(MIB).
3 Using a Torx T25 screwdriver, remove the 4 screws
holding the fan to the rear of the chassis.
4 Reverse this procedure to replace the fan.
T-25
screws (4)
Motherboard
Fan cable
Fan