5.6
Replacing the PCB Module
1. Follow the steps in
Section 4.5, “Computer Diagnostics,” on
page 90
to connect a PC to the MCU’s maintenance port
and apply power to the antenna unit.
2. Record the serial number for later re-entry.
3. Disconnect power from the antenna unit and the receiver.
4. Disconnect all cables from the PCB module. Use a
7
⁄
16
"
wrench to
carefully
disconnect the two RF cables.
Figure 5-5
PCB Module Connections
5. Loosen the four captive screws securing the PCB module
to the antenna frame. Remove the PCB module.
6. Attach the new PCB module to the antenna frame using
the module’s four captive screws.
Maintenance
54-0198
99
RF Cable
Connectors
Captive
Screws
Captive
Screws
Other Cable
Connectors