Technical data

4-12
Replacing Instrument Assemblies
LS-120 Disc Drive Modification (86100A Only)
LS-120 Disc Drive Modification (86100A Only)
1 Follow the instructions for removing the mainframe cover, on page 4-4.
2 Place the instrument so the top is facing up.
3 Using a T-10 TORX driver, remove the two screws that secure the A16 LS-120 board to the rear
of the A10 floppy drive. Refer to Figure 4-14.
4 Remove the ribbon cable, W9. Refer to Figure 4-14.
Figure 4-14. LS-120 and A-10 Floppy Drive
5 Put the new A16 LS-120 board (86100-66505) on the back of the A10 Floppy Drive. Refer to
Figure 4-15.