24
Installation Note N9038-90018
Option HL4 - High Performance Digital Signal Processing Upgrade
Miscellaneous IF Cable Installation
57.
. Feed the end labeled “15” of W15 (8121-1919) and the end labeled “17” of
W23 (8121-1401) through the large rectangular opening
(1)
in the right side inner chassis
panel.
58.
. Connect W15 to J15 of the A3 High Performance Digital IF assembly (1).
59.
Connect W23 to J17 of the A3 High Performance Digital IF assembly (1).
60.
. Route W15 along the top of the right side of the chassis above the input
attenuators and switches and along the front of the A15 Enhanced Front End Control
assembly.
61.
Refer to
. Connect the loose end of W15 (labeled “901”) to J901 of the A15 Enhanced
Front End Control assembly.
62.
. Route W23 under Cable Hold Down
(2)
and across the top of the A16
Reference assembly and connect it to J726, as shown in
. There may be a connector
label attached to the top of the A16 Reference assembly that will need to be trimmed to
expose J726.
63.
. Install W14 (8121-1862) between J7 of the A13 Front End assembly and
J902 of the A15 Enhanced Front End Control assembly. Torque the SMA connector to
10 inch-lbs.
Figure 16
Miscellaneous IF Cable Installation