Procedure 7. A7 Through A13 Assemblies - Agilent Technologies 8564EC Service Manual

Spectrum analyzers

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Assembly Replacement

Procedure 7. A7 through A13 Assemblies

A separate replacement procedure is supplied for each assembly listed

• A7 LO Multiplier/Ampliﬁer (LOMA)

• A8 Low Band Mixer

• A9 Input Attenuator

• A10/A12 RYTHM/SBTX

• A13 Second Converter

Before beginning a procedure, do the following:

1. Fold out the A14 and A15 assemblies as described in

2. If the A9 input attenuator, A11 YTO, or A10/A12 RYTHM/SBTX

out in this procedure.

Use a torque wrench to tighten all SMA connectors to 113 Ncm

(10 in-lb). part number 8710-1655 can be used for this purpose. The

style of torque wrench may vary, but in all cases do not tighten the

connectors beyond the point at which the torque wrench "clicks" or

"breaks-away."

. A7 through A13 Assemblies

A14 and A15 Assemblies."

assembly is being removed, also fold down the A2, A3, A4, and A5

assemblies as described in

Assemblies."

Figure 4-20 on page 221

"Procedure 5. A2, A3, A4, and A5

to locate the assemblies and cables called

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