Replacing Assemblies; Sequence Of Operations - HP 8133A Service Manual

This chapter will enable you to remove and replace the main
assemblies of the HP 8133A 3GHz Pulse Generator. There are two
sub-units contained within the instrument's chassis:
1. The card cage and its assemblies, which produce and control the
pulse generator functions.
2. The power supply cage, which contains the power supply
assemblies and the microprocessor.
3. First decide which set of assemblies you need to access, card cage
or power supply, then follow the appropriate set of the two sets of
steps detailed below.
and side
card cage assembled
remove
keyboard
separate t i e /
= A6 data assembly in option
In the Standard and 001
Figure 5-1. Sequence of operations
remove
remove the
remove the
keyboard
frontpanel
channel.
control
A7 width assembly in option
there no Channel 2 assembly

Replacing Assemblies 5-1

5
A3 MPU
remove the
the A14
remove the
line switch
main power