Motorola MTR2000 T5544 Instruction / Field Service Manual page 144

Troubleshooting
Replacing External Preselector
30
Replacement Procedure
1. Turn off station power by turning off breaker at ac source.
2. Disconnect cable to Receive antenna connection and cable to Receiv-
er Module.
3. Remove screws (2) securing External Preselector to back of station.
4. Ensure that the correct External Preselector is being installed.
5. Install replacement External Preselector by reconnecting the 2 cables
and securing the External Preselector to the station with the 2 screws.
6. Restore power to the station.
Post-Replacement Optimization Procedure
1. Perform the Preselector Field Tuning Procedure of this section.
68P81096E17-E
09/30/05