24 Installation Note N5242-90125
Description of the Upgrade
Installation Procedure for the Upgrade
-
Step 13. Reinstall the A20 IF Multiplexer (IF MUX) Board and Connect
the Motherboard / IF Multiplexer / Low Frequency Extension (LFE)/
Test set motherboard (MB/IF MUX/LFE/TSMB) ribbon cable
(N5240-60089) and Connect the IF MUX Rear Panel Hardware
1.
Reinstall the IF MUX board using 0515-0669 (x4) screws (item
➀
).
2.
For now, hand tighten only (item
➁
Figure 7
Reinstall the A20 IF MUX Board (N5240-60062 and 0515-0669)
1
1. N5242B with Option 425 shown. N5241/2/9B with Option 205 is similar for the IF MUX installation.
N5240-60062