HP 70908A, Service Manual

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3
Before Extensive Servicing
This chapter contains information to help identify and resolve some common problems that
may occur with your RF section before extensive servicing.
Symptoms of various problems are listed at the top of each page . Most symptoms have a brief
description or explanation to help provide more insight into their cause . A possible cause for
the symptom and a checklist of possible solutions are then presented. Use this checklist as an
aid to correct the problem.
If you determine that your RF section needs further servicing and your RF section is not
experiencing any of the symptoms presented in this chapter , refer to \P erforming Related
A djustments and V erication T ests" in Chapter 4 to determine which adjustments and
verication tests must be performed and also T able 5-1 for a list of recommended test
equipment to use when assemblies are changed, repaired, or adjusted.
Note
If your RF section is still in warranty , or if you do not wish to perform the
servicing yourself, return your RF section to a Hewlett-P ackard service
center . (Refer to \If Y ou W ant Hewlett-P ackard to Service Y our RF Section "
in Chapter 1.)
If you decide to perform the servicing yourself, prepare a static-safe work
station before you begin any servicing procedures . (Refer to \Preparing a
Static-Safe W ork Station " in Chapter 4.)
Before Extensive Servicing 3-1