Removal; Replacement - Agilent Technologies 8564EC Service Manual

Spectrum analyzers

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Assembly Replacement

A7 LO Multiplier/Ampliﬁer (LOMA)

Removal

1. Remove the two screws securing the A7 assembly to the spectrum

analyzer center deck.

2. Use a 5/16-inch wrench to disconnect W46, W28, W39, W42, W30,

and W38 from the A7 assembly.

3. Remove W12 from the A7 assembly (two ribbon cable connectors and

ground lug).

4. Remove the A7 assembly.

1. Use a 5/16-inch wrench to attach W46, W28, W39, W42, W30, and

W38 to the A7 assembly.

2. Connect cable W12 (both ribbon cable connectors) to the A7

3. Use two panhead screws to secure A7 to the center deck. Be sure to

attach the ground lug on the screw near the J5 SAMPLER connector

4. Torque all RF cable connections to 113 Ncm (10 in-lb).

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