R&S ZVA Repairs
1177.5333.02 3.49 E-11
Replacing Disk Drive A30
(See Chapter 5, Spare Parts List, Item 670 and drawings 1145.1110 and 1145.1310)
Opening the instrument and removing the disk drive
Turn off the instrument and disconnect from the mains, screw off the 4 rear-panel feet (460) and pull
off the enclosure (400) backwards.
Remove the 2 sems screws (700) and carefully lift out the floppy disk drive (670), together with the
floppy drive holder (680).
N.B.: The floppy cable to the motherboard is still connected.
Disconnect floppy cable (690) on the floppy disk drive.
Installing a new disk drive and reassembling the instrument
Release the floppy disk drive by removing the 3 sems screws (700) from the floppy drive holder
(680) and insert a new floppy disk drive (670) into the floppy drive holder (680).
Connect floppy cable (690) on the floppy disk drive.
Resecure the floppy disk drive (680) from above to the side of the instrument with the fan using 2
sems screws (700).
N.N.: Center the floppy disk drive wrt the cut-out in the front cover.
Slide the enclosure (400) back on and screw the 4 rear-panel feet (460) into position.
Connect the mains cable, turn on at the mains switch and press the ON key.
Function test
The instrument boots up and starts the instrument firmware.
Insert a 3 ½ disk with files.
Press the FILE key, then the File Manager softkey and Edit Path.
Enter “ a “ and “ : “ with the screen functions and terminate with the Enter key.
The directory structure of the disk displayed on the screen shows that the floppy disk drive is
operating properly.