Agilent Technologies 8935 Series Spezifikationen PDF herunterladen (Seite 97)

96 Chapter 4

Preventative Maintenance

Hardware Maintenance

Integrity

The Test Set has been designed for rugged conditions, however parts

can become loose or damaged over time and may require repair or

maintenance.

• Module Insertion and Alignment

The Test set contains circuit assemblies and RF modules that are

mounted in sockets and board guides. It is extremely important that

these assemblies be firmly seated and aligned in their guides.

Remove the Test Set’s cover and check that boards align with the

printed guides on the internal sheet metal covers. Ensure that each

of the six RF module cases are firmly seated and locked in with their

module bracket(s).

• Type-N Connectors

The Test Set’s RF IN/OUT, ANT IN, and DUPLEX OUT connectors

should be checked for damage or looseness. Damage can occur to the

center conductor pin or the connector itself might become loosened.

If damaged, the connector should be replaced. A loose connector can

be re-tightened with the nut on the back side of the side panel. Refer

to Chapter 5 , “Disassembly,” on page 101 for information on the

side-panel connectors.

• Internal Cables and RF Connectors

The Test Set contains numerous cables and connectors that should

be periodically checked for proper insertion and tightness. Remove

the Test Set’s cover and visually check for any cables that may not be

properly inserted. Check each RF cable connection for tightness,

tighten where needed. Refer to Chapter 5 , “Disassembly,” on page

101 for information on the various cables and assemblies.

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Agilent Technologies 8935 Series Spezifikationen Seite 97