14
Installation Note N9038-90018
Option HL4 - High Performance Digital Signal Processing Upgrade
Front End Control Assembly Removal
16.
. Remove W3, W4, W5, and W12 from the A15 Front End Control board
assembly
(1)
.
17.
Remove W27 from J103 of the A23 Limiter Assembly to allow clearance for the removal and
installation of the A15 Front End Control board assembly.
Figure 7
Old A15 Front End Control Board Cable Locations
18.
Using the board extractor
(2)
carefully remove the A15 Front End Control board assembly
(1)
.
This assembly will not be reused.