To Install The Ucm Board On The Main Board; Removing And Installing The Display; To Remove The Display From The Unit - Motorola TETRA MTH800 Basic Service Manual

MAINTENANCE

To install the UCM board on the main board

1. Hold the Main Board with the UCM connector facing you.
2. Carefully attach the UCM Board to the Main Board. Verify the connector is
3. Turn the Main Board over.
4. Close the UCM fastening screw. Screw to 2.5±0.3 in-lb (0.28±0.034 Nm).
5. Install the Main Board.

Removing and installing the Display

Recommended tools: mini flat-tip screwdriver
Note:Do not touch the display in the active viewing area; fingerprints on this

To remove the display from the unit

(See Figure 11 and Figure 12)
1. Remove the main board from the display & chassis assembly. Refer to
2. Remove the display & chassis assembly out from the unit.
3. Place the chassis assembly, with the display facing down, on the clean work
4. Insert the screwdriver into one of the side slots in the upper side of the
5. Turn the chassis around so the display is facing you.
6. Disconnect the display flex cable connector from the display board.
7. Carefully remove the display.
MTH800 TETRA Handportable Terminal / Basic Service Manual
connected correctly.
Please note that the UCM-M module does not have a fastening screw.
surface cannot be easily removed.
When servicing the display, work in a clean cell using de-ionised air
pressure.
"Removing and Installing the Main Board" on page 11.
area.
chassis assembly, above the display board, and gently push the display
holders out from the chassis assembly.
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