User's Manual

M7X and M7R Page 5-34 Maintenance
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Removing the PSU Module
To remove the PSU:
(1) Remove the radio’s top cover as detailed on page 5-12.
(2) Remove the Interface module as detailed on page 5-26.
(3) Refer to Fig 5-20 and identify the RF PA In-Line power connector. Separate the in-line
connection.
(4) Refer to Fig 5-24 and identify the two-wire power connector. Disconnect the free socket from the
chassis plug.
Fig 5-24 Two-Wire Power Connector
(5) Refer to Fig 5-25 and identify the PSU ribbon cable. Disconnect the cable from the chassis
connector.
Fig 5-25 PSU Ribbon Cable
(6) Turn the radio upside down and remove the bottom cover as detailed on page 5-12.
Interface
Module
Socket
Two-Wire
Power
Connector
PSU
Module
Interface
Module
Socket
PSU
Module
Ribbon Cable