Installation Instructions for Retrofit Kit
Part Number 33120-90021
October 1998
© Copyright Hewlett-Packard Company 1994, 1998
All Rights Reserved.
HP 33120A / Option 001
Phase-Lock Assembly
HP 33120A / Option 001
Phase-Lock Assembly
Installation Instructions for 33120-80001 Retrofit Kit
This guide contains information to install the Phase-Lock assembly into
HP 33120A. This assembly can be installed only in instruments
the
shipped after August 1994 with serial numbers US34004078 and above.
Refer to the HP 33120A / Option 001 User’s and Service Guide (included
with the retrofit kit) for complete details on using the assembly.
Installing the Phase-Lock Assembly
1 Remove the outer cover from the HP 33120A.
Loosen
Captive
Screws
a
Remove
Bottom Screw
Slide Off Outer Cover
b
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