Keysight Technologies X Series Installation Note page 7

4. If the part number of the CPU assembly that has been removed is one of those listed in
the disk drive removed from the assembly cannot be used with the CPU assembly included in
this kit.
5. If the part number of the CPU assembly that has been removed is not one of those listed in
step 3, continue with this procedure.
6. Look for a removable SD memory card in a socket located just in front of the disk drive
connector. If no SD card is installed on the faulty CPU board; then remove the SD card from
the replacement CPU assembly.
7. See Figure 2. Install the replacement CPU assembly in the instrument with 6 screws (1).
Torque to 9 in-lbs.
8. See Figure 1. Reinstall the disk drive tray assembly (2) and torque the attaching screw (1) to
9 in-lbs.
Installation Note N9020-90248
PC6 and PC7 CPU Replacement Kit
step 3,
7