Agilent Technologies 8753ES Option 011 Service Manual page 462

Assembly Replacement and Post-Repair Procedures
A20 Disk Drive Assembly
A20 Disk Drive Assembly Replacement
1. Attach the plug (item 4) to the replacement disk drive.
2. Attach the disk drive bracket to the replacement disk drive as shown. Leave the three
screws loose in case the disk drive 's position needs to be adjusted.
Place the disk drive on a horizontal and flat surface when attaching the
NOTE
bracket. This minimizes distortion of the disk drive.
3. Connect the disk drive ribbon cable to the replacement disk drive.
NOTE In steps 3 and 5, make sure that the connector-contacts on both the disk drive
and the CPU touch the ribbon cable contact areas (the ribbon-cable contact
areas must face the contacts in the disk drive and CPU connectors). Also
assure that the connector is properly locked by gently pushing down on the
ends of the connector body.
4. Slide the disk drive assembly into the analyzer. Align the disk drive door with the
opening in the front panel. Attach it to the analyzer frame using the four screws from
step 3 of the "Removal" procedure.
5. Route the ribbon cable through the side access hole. Avoid twisting the cable: duplicate
the original folds made to the cable. Connect the disk drive cable to the CPU board.
Refer to item 1 in
6. Remove the trim strip from the top of the front panel.
7. Remove the top left screw located under the trim strip.
8. Tighten the three screws (item 3) that fasten the disk drive to the bracket. The top
front-most screw is accessed through the exposed screw-hole under the trim strip.
14-38
Figure 14-18. Secure the ribbon cable to its clamp on the test set deck.
Chapter 14