6 - 12 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE
1. Remove the back housing. Refer to “Removing and Installing the Back
Housing” on page 9.
2. Disconnect the accessory flex cable from the main board.
3. Disconnect the main flex cable connector.
4. Gently lift the main board, and remove it from the unit.
To install the main board
1. Connect the main flex cable connector.
2. Verify that the accessory flex cable sticks out of the back housing. Position
the main board in location. Verify that the two guide pins are inserted into the
holes in the main board. Gently push the main board down and connect the
accessory flex cable.
3. Install the back housing.
When disassembling the main board from the chassis, place the
screwdriver’s flat tip as close as possible to the corner of the main board
(side 1) as indicated in Figure 9
.
Failing to do so might damage one of the components shown in the
main board (side 2) details, and thus cause transmitter performance
degradation.
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