Chapter 4 207
Assembly Replacement
Procedure 5. A2, A3, A4, and A5 Assemblies
8. Fold the A4 and A5 assemblies together as a unit into the spectrum
analyzer. Use caution to avoid damaging any cable assemblies. The
standoffs on the A5 assembly must fit into the cups on the A6 power
supply top shield.
9. Fold the A2 and A3 assemblies together as a unit into the spectrum
analyzer. Be sure to fold GPIB cable A19W1 between the A3 and A4
assemblies, using the two sets of hook and loop (Velcro) fasteners.
10.Fold ribbon cable A1A1W1 between A3 and A4 assemblies. Take care
to dress the protective tubing as close to A3J602 connector as
possible, so that the tubing does not fold with the cable. See Figure
4-14 on page 208.
11.Attach ribbon cable W4 to A2J6 while folding up the assemblies.
12.Secure the assemblies using the eight screws removed in "Removal,"
step 3. See Figure 4-8 on page 203.
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