Chapter 1 25
Introduction
If You Replace or Repair an Assembly
If You Replace or Repair an Assembly
If one or more analyzer assemblies has been replaced or repaired,
related adjustment procedures should be done prior to verifying
operation. Refer to Table 1-7 to determine which adjustment to perform
after replacing or repairing an assembly. Find the assembly that has
been repaired or replaced in the left-hand column. Then perform the
adjustments marked across the adjustment column for that assembly.
It is important that adjustments are performed in the order indicated to
ensure that the instrument meets all of its specifications.
Table 1-7 Adjustments and Tests for Replaced or Repaired Assemblies
Replaced or Repaired
Assembly
Related Adjustments
and Adjustment
Routines
Related Performance Verification Tests
A1 Front Frame CAL AMPTD Frequency Response
Residual Responses
A2 Display Display
CAL AMPTD
Frequency Response
Residual Responses
A3A1 Comb Generator Comb Generator
CAL YTF
Comb Generator Frequency Accuracy
Frequency Response
Residual Responses
A3A2 Microwave
Switch
CAL FREQ
CAL AMPTD
CAL YTF
Frequency Response
Residual Responses
A3A3 Low-Pass Filter CAL FREQ
CAL AMPTD
CAL YTF
Frequency Response
Residual Responses
A3A4 Second
Converter
CAL FREQ
CAL AMPTD
CAL YTF
Noise Sidebands
System Related Sidebands
Frequency Response
Other Input Related Spurious Responses
Spurious Response
Gain Compression
Displayed Average Noise
Residual Responses
A3A5 Input Attenuator CAL FREQ
CAL AMPTD
CAL YTF
Frequency Response
Frequency Response
Residual Responses
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