Chassis Assembly Disassembly; Speaker, Microphone, And Universal Connector Flex Disassembly - Motorola EX500 Basic Service Manual

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3.10.2 Chassis Assembly Disassembly

Use a Philips head screwdriver to remove the four screws holding the main board to the chassis.
O-ring
1. Lift the main board from the chassis (See Figure 3-5).
CAUTION: Refer to the CMOS CAUTION paragraph on page 3-2 of this chapter before removing the
main board. Be sure to use ESD protection when handling circuit boards.
!
C a u t i o n
2. Remove the four small O-ring retainers from their slots in the chassis. Note the alignment of the
retainers for reassembly.
3. Remove the O-ring.

3.10.3 Speaker, Microphone, and Universal Connector Flex Disassembly

1. Turn the screw at the bottom of the dustcover counterclockwise with your fingers. Lift the
dustcover out of its pocket.
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.
2. Insert a flat bladed screwdriver in between the speaker and housing. Then pull up the screwdriver
to remove the speaker from the housing.
Figure 3-13 Remove Main Board from Chassis
EX600 / EX600•XLS Radio Disassembly — Detailed
M2x4 Philips screws
Main Board
O-ring Retainers on chassis
slots
(4 position)
Chassis