Installation Note N5232-90101
11
• W5 (N5232-20016) A25 test port 1 bridge coupler (arm) to A24 mixer brick
• W6 (N5232-20014) A21 MASSY to A24 mixer brick
• W4 (N5232-20011) A21 MASSY to A26 test port 2 bridge coupler (thru)
• W8 (N5232-20015) A26 test port 2 bridge coupler (arm) to A24 mixer brick
• W7 (N5232-20012) A21 MASSY to A24 mixer brick
These cables must be saved - they will be reinstalled.
•
W2 (N5232-20082) A21 MASSY to test set deck cable bracket
• W1 (top-side cable) (N5235-20040) A4 13.5 GHz Source Synthesizer board to test set deck cable bracket
•
W10 (N5232-20081) A24 mixer brick to test set deck cable bracket
Step 6.
Assemble the A29 and A30 Source Attenuator Assemblies
for this step of the procedure. New parts are listed in
.
1. Gather two source attenuators (33321-60082) and install a ribbon cable (8121-0982) on each.
2. Install bracket N5235-00013 on the port 1 source attenuator, and bracket N5235-00012 on the port 2 source
attenuator using two screws (0515-0372) with each bracket. Use a T-10 TORX driver set to 9 in-lbs to
tighten all screws.
Figure 1
Source Attenuator Assembly