Motorola MTX850LS 用户手册
3-8
Maintenance
Figure 3-5: Removing the Keypad Retainer and Other Boards from the Radio
3.6.4 Speaker, Microphone, and Universal Connector Flex Disassembly
1.
If disassembly of the speaker-microphone assembly is necessary, remove the dustcover by
turning the screw at the bottom of the dustcover counterclockwise with your fingers. Lift the
dustcover out of its pocket.
turning the screw at the bottom of the dustcover counterclockwise with your fingers. Lift the
dustcover out of its pocket.
2.
Using a screwdriver, push down on the portion of the speaker retainer bracket pointing toward the
bottom of the radio. Then, remove the retainer by slightly pushing it toward the top of the radio
until you slide it past the front cover slot.
bottom of the radio. Then, remove the retainer by slightly pushing it toward the top of the radio
until you slide it past the front cover slot.
3.
Pull the rubber microphone boot from its seated position. Unless you are replacing the
microphone, leave it in the boot.
microphone, leave it in the boot.
4.
Peel-off the universal connector flex circuit escutcheon (label).
5.
Pry the flex circuit (adhesive held) backer board away from the front cover, and remove the
universal connector tail of the speaker-microphone assembly through its opening in the front
cover.
universal connector tail of the speaker-microphone assembly through its opening in the front
cover.
NOTE: At this point, the Option Board Installation Procedure should be performed, if
necessary. (See page 3-13)
NOTE: The dustcover must be removed to remove the speaker-microphone assembly flex
circuit. The speaker is held in place with a two-legged retainer bracket. The bracket
legs are secured by the front cover slots. Be careful not to damage the speaker when
removing the retainer bracket.
legs are secured by the front cover slots. Be careful not to damage the speaker when
removing the retainer bracket.
NOTE: The speaker-microphone assembly flex circuit goes through the front cover wall to
the outside wall. To replace this assembly, you must peel-off the universal connector
escutcheon label. The existing escutcheon cannot be reassembled; a new part must
be used. (See item number 10 on the exploded view drawing on page 3-15).
escutcheon label. The existing escutcheon cannot be reassembled; a new part must
be used. (See item number 10 on the exploded view drawing on page 3-15).
Retainer
Display
Module
Module
Keypad
Option
Board
Option
Board
Keypad
Radio
Body
Body