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Preliminary:
q Switch 373XXA power off. Remove the power cord.
q Remove all covers (paragraph 8-3).
NOTE
All the the cables mentioned in the following procedure
have “keyed” connectors.
Remove/Replace Procedure:
Step 1. Place the 373XXA on its top (bottom-side up).
Step 2. At the floppy drive, disconnect the four-conductor Disk
Power cable that connects to J1 of the motherboard PCB.
Step 3. At J2 on the motherboard PCB, disconnect the Floppy Con
-
trol (ribbon) cable that goes to the floppy drive.
Step 4. Remove the three screws that fasten the floppy disk drive
mounting plate to the chassis and to the Test Set Module
tray (see Figure 8-9).
Step 5. Carefully pull the floppy disk drive assembly to the rear
and up to remove assembly.
Step 6. Carefully remove the Floppy Control cable from the rear of
the floppy drive. Set aside for re-use.
FLOPPY DISK DRIVE REMOVE AND REPLACE
8-18 373XXA MM
Figure 8-9. Location of Floppy Disk Drive Assembly Mounting Plate Screws