Ericsson LBI-38701, Maintenance Manual

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TO REMOVE THE TOP COVER
l. Insert a small standard screwdriver under one side of the
top cover and gently pry the side of the cover away from
the frame releasing the locking tab.
2. Using the screwdriver, press in on the tabs on the rear of
the radio and release the two locking tabs.
3. Insert the screwdriver under the other side of the radio
top cover, releasing the remaining locking tab, and re-
move the cover from the radio.
TO REMOVE THE BOTTOM COVER
1. Remove the two screws securing the bottom cover to the
radio. (Refer to Figure 1.) The bottom cover can then be
removed from the radio.
TO REMOVE THE DUPLEXER ASSEMBLY
1. Remove the bottom cover of the radio.
2. Refer to Figure 2. Remove the single M3.0-0.8 X 20 (#10
drive) TORX screw "A", located on the rear of the radio,
that secures the duplexer assembly to the casting.
3. The duplexer can now be removed by disconnecting the
SMB connectors from the TX and RX inputs of the
duplexer and disconnecting the TNC connector from the
ANT port of the duplexer.
TO REMOVE THE RF BOARD A2
l. Remove the top and bottom covers and the duplexer
assembly from the radio (refer to the procedures above).
2. Refer to Figure 3. Pry off the friction fit covers covering
the RF Board.
3. Using a small standard screwdriver, gently pry the inter-
connect plug P702 from the Logic and RF Boards
4. Remove the two clips (Figure 4) securing Q101 and U102
to the frame (on top side of board).
5. Remove the two M3.5-0.6 x 20 TORX screws (#15 drive)
securing PA module U101 to the frame.
Figure 1 Radio Cover Removal
NOTE
Servicing the radio while the duplexer is not properly
secured may cause electrical shorts. Special care
must be taken to ensure that the duplexer does not
make contact with any circuitry while power is ap-
plied to the radio.
LBI-38701
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