106 4
Troubleshooting
TROUBLESHOOTING SUMMARY
TROUBLESHOOTING SUMMARY
The troubleshooting strategy of this manual is based on a verification (rather than
symptomatic) approach. This chapter describes typical troubleshooting procedure step by
step and you can identify a faulty assembly or a faulty group by following the
troubleshooting steps sequentially.
Figure 4-1 diagrams the troubleshooting organization.
Inspecting the power on sequence and the rear panel feature indicates a faulty group
(power supply or digital control). A faulty assembly is isolated to the faulty group accoding
to the troubleshooting procedures for each faulty group. The troubleshooting procedures
are given in Chapter 5 and 6.
Performing the internal tests, the external tests or the performance tests indicates a faulty
assembly. Assemblies of the analog section (source, transducer and vector ratio detector) of
the analyzer are verified by performing these tests.
A faulty assembly is replaced according to Chapter 9. Chapter 9 lists the replaceable parts
and gives replacement procedures for the major parts.
The procedures required after assembly replacement, such as adjustments and performance
tests, are given in Chapter 10.
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