Removing And Installing The Emergency Button; To Remove The Emergency Button From The Unit; To Install The Emergency Button; Removing And Installing The Ucm Board - Motorola MTP850 S Service Manual

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Removing and Installing the Emergency Button

Recommended tools: tweezers, mini flat-tip screwdriver.

To remove the Emergency Button from the unit

The Emergency button can be pried from the main housing by use of a tweezers
or mini flat-tip screwdriver.

To install the Emergency Button

Press the Emergency button into place until it clicks.

Removing and installing the UCM Board

Recommended tools: Phillips screwdriver.

To remove the UCM board from the main board

1. Remove the back housing. Refer to "Removing and Installing the Top Cover
2. Open the UCM fastening screw.
Note:Not available in the UCM-M module which will be supplied with the
3. Gently remove the UCM Board from the Main Board. Verify not to damage
4. The Retainer rotary connector will also come off, as it is also secured by the
5. Remove the retainer from the bushing on the main PCB.
6. The Retainer UCM will be adhered to the bottom of the UCM and it can be

To install the UCM board on the main board

1. Hold the Main Board with the UCM connector facing you.
2. Place the Retainer UCM as shown on the main board shield.
3. Install the retainer and align it with the bushing on the main PCB.
MTP850 TETRA Handportable Terminal / Basic Service Manual
and Back Housing" on page 6-9.
UCM-M Upgrade Kit GMLN4561.
the UCM connector when removing the board.
UCM fastening screw.
gently pried away. The Retainer UCM could also be still fixed to the main
board shield. In this case, gently pull it off the shield.
MAINTENANCE