Replacing The Mts 4 Preselector; Figure 152: Schematic Diagram Of Mts 4 Preselector - Motorola DIMETRA MTS 4 Installation, Configuration, And Service Manual

Applicant: Motorola Solutions
246 | Radio Frequency Distribution System

Figure 152: Schematic Diagram of MTS 4 Preselector

Replacing the MTS 4 Preselector

Warning: RF energy burn hazard. Disconnect power in the cabinet to prevent injury and equipment
damage while disconnecting and connecting antennas.
Process:
1 Remove the Preselector.
See Removing the MTS 4 Preselector on page
2 Reinstall the Preselector.
See Reinstalling the MTS 4 Preselector on page
Removing the MTS 4 Preselector
Procedure:
1 Remove the door of the cabinet completely.
2 Remove the four screws holding the front panel.
3 Loosen the two screws holding the front section of the top panel and slide off the panel.
4 Loosen the screws fastening the rear section of the top panel and slide off the panel.
5 Unscrew the antenna cable and remove the RX cables connected to the back of the Preselector.
6 Loosen the two fastening screws at the front enough to free the mounting bracket.
7 Slide the Preselector out of the cabinet.
8 Remove the Preselector from the bracket and replace with the new unit.
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Equipment Type: ABZ89FC5827 / 109AB-5827
246.
247.
Exhibit D2