MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 23
2. Remove the accessory connector assembly. Refer to “Removing and
Installing the Accessory Connector Assembly” on page 18.
3. Remove the keypad board and keypad. Refer to “Removing and Installing the
Keypad” on page 20.
4. Using tweezers or a mini flat-tip screwdriver, remove the bottom microphone.
To install the bottom microphone
1. Insert the microphone into location.
2. Install the keypad and keypad board.
3. Install the accessory connector assembly.
4. Install the display & chassis assembly.
Removing and Installing the Earpiece
Recommended tools: tweezers
To remove the earpiece from the unit
(See Figure 15)
1. Remove the display & chassis assembly. Refer to “Removing and installing
the Display” on page 15.
2. Using the tweezers grasp the earpiece green support ring and with an
upward motion remove the earpiece.
To install the earpiece
1. Be sure to place the earpiece correctly (evenly) into the rubber boot. Use
tweezers for this operation.
2. Gently push the earpiece into the boot until it is firmly inside the boot.
3. Install the display & chassis assembly.
Avoid any mechanical contact with the earpiece mem-
brane surface since it may totally damage the earpiece.
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