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
wrench to carefully disconnect the two RF cables.
Figure 5-5 PCB Module Connections
Captive
Connectors
Screws
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.
54-0198
RF Cable
Other Cable
Connectors
⁄
"
7
1 6
Captive
Screws
Maintenance
99