200 Chapter3
Assembly Replacement
Procedure 10. A16 FADC/A17 CRT Driver (8560E )
Procedure 10. A16 FADC/A17 CRT Driver
(8560E )
Removal
1. Remove the spectrum analyzer cover assembly and fold out the A2,
A3, A4, and A5 assemblies as described in steps 3 through 6 under
"Procedure 5. A2, A3, A4, and A5 Assemblies Removal."
2. Place the spectrum analyzer top-side-up on the workbench with A2,
A3, A4, and A5 folded out to the right.
3. For Option 007 spectrum analyzers: Remove two screws (1) securing
the two board-mounting posts to the left side frame, and remove the
posts. See Figure 3-27 on page 201.
4. Remove two screws (2) securing the A17 assembly (and A16
assembly in Option 007) to the left side frame. Remove the two
spacers (non-Option 007).
5. Pull the A17 assembly out of the spectrum analyzer.
6. For Option 007 spectrum analyzers: Pull the A16 assembly out of the
spectrum analyzer.
7. Disconnect W7, W8, W9, A6A1W2, and A18W1 from the A17 CRT
driver assembly.
8. For Option 007 spectrum analyzers: Disconnect all cables from the
A16 FADC assembly.
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