Motorola MTP850, Service Manual, Page: 85 / 118

MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 25
Removing and Installing the Paddle PTT
Recommended tools: mini flat-tip screwdriver.
To remove the Paddle PTT (for MTP850 terminals)
1. Remove the internal assembly from the unit. Refer to “Removing and
Installing the Internal Assembly” on page 6-15.
2. Remove the Retainer PTT by inserting into the rectangular hole and sliding
upwards until the Retainer PTT has been freed.
3. With the mini flat-tip screwdriver, pry the PTT away from the front housing
and bezel PTT.
4. With the mini flat-tip screwdriver, pry the Bezel PTT away from the front
housing.
5. Remove rubber keypad PTT.
To remove the Paddle PTT (for MTP850 S and MTP850 FuG
terminals)
1. With the mini flat-tip screwdriver, pry the PTT away from the front housing.
To install the Paddle PTT (for MTP850 terminals)
1. Place the paddle PTT into Bezel PTT by inserting two tabs from one side of
the paddle PTT into the respective slots on the bezel PTT. Then, bend the
paddle PTT in order to insert the other two tabs.
2. Place the rubber keypad PTT into position on the Bezel PTT.
3. Place the PTT assembly into the front housing by inserting one tab from one
side of the bezel PTT into the respective slot on the front housing. Then, bend
the bezel PTT in order to insert the other slot into the front housing.
4. While pressing hard on the paddle PTT, install the PTT retainer.
5. Install the internal assembly from the unit. Refer to “Removing and Installing
the Internal Assembly” on page 6-15.
To install the Paddle PTT (for MTP850 S and MTP850 FuG
terminals)
1. Place the paddle PTT into Bezel PTT by inserting two tabs from one side of
the bezel PTT into the respective slots on the front housing. Then, bend the
paddle PTT in order to insert the other slot into the front housing.