Installation Note N5227-90118 29
Installation Procedure for the Upgrade
5.
Connect N5240-60089 Motherboard / IF Multiplexer / Low Frequency
Extension (LFE)/ Test set motherboard (MB/IF MUX/LFE/TSMB) ribbon
cable to IF MUX J1 and fold—to relieve tension—as shown (item
). Refer
6.
Reconnect the IF Multiplexer /SPAM gray cables to the A24 IF MUX board
as indicated in
(items
through
).
Figure 10
Connect the MB/IF MUX/ low frequency extension (LFE)/TSMB ribbon cable
to A24 IF MUX J1 and reconnect the IF MUX gray cables (N5242-60012,
-60013, -60014, -60015, and -60016). Fold to relieve tension as shown
(N5240-60089).