HP 1652B Getting Started Manual page 705

Removal and
Replacement of
the Disk Drive
1. Turn off the instrument and disconnect the power cable.
2. Remove the six screws from the top and the two screws from each side of the
instrument's top cover.
3. Lift off the top cover.
4.
Remove the two screws securing the disk drive to the power supply panel.
5. Disconnect the disk drive cable assembly (W3) from the disk drive.
I
Note @
Do not match the arrows of the cable and connector when reconnecting the disk
drive cable to the disk drive. The connector of the disk drive is marked with an
arrow at pin
34
of the connector. The end of the disk drive cable is marked at pin 1
of the cable. Matching the arrows will result in damaging the disk drive.
6: Slide the disk drive through the front panel of the instrument cabinet as in
figure 6D-2.
7. Replace the disk drive by reversing this procedure.
When you reinstall the top cover, insert the four screws on the sides of the cover
fast while making sure the cover fits into the grooves of the instrument cabinet.
Then insert the six screws in the top of the cover.
Assembly Removal and Replacement
HP
16528/l 653B
60-4 Service Manual
DISK DRIVE
Figure
6D-2.
Disk Drive and Power Supply Removal
-