Chapter 6: Replacing Assemblies        
To remove and replace the hard disk drive
120
To remove and replace the hard disk drive
Use this procedure to remove and replace the hard disk drive. When necessary, refer 
to other removal procedures. The graphics in this chapter are representative of the 
oscilloscope at the time of this printing. Your unit may look different.
When replacing the hard disk drive, order the appropriate kit:
Instructions provided in the kit supercede the instructions in this chapter. 
1
Disconnect the power cable and remove the top sleeve.
2 Remove the CD- ROM and hard drive cables from the cable clamps.
Figure 6-26
Removing cables from cable clamps
3 Remove the two Torx T20 screws holding the shock mount in place (See Figure 
6- 27).
4 Tilt the disk drive assembly forward and lift up to remove.
CAUTION DO NOT LET THE DISK DRIVE FALL!
Support the drive while removing the screws so that the drive does not fall.
5
Remove the four Torx T10 screws holding the disk drive onto the shock mount.
No internal hard disk drive is installed in oscilloscopes that have option 017 
installed.
Oscilloscope Model Number  Hard Disk Drive Replacement Kit Part Number
5483xA/D, 5485xA and DSO80000A  54855-68704
DSO/MSO8000A, DSO80000B  D81004-68701