Motorola AAH38KDC9AA3 N, Базовое руководство по обслуживанию, Страница: 32 / 87

3-14 EX600 / EX600•XLS Radio Disassembly — Detailed
3.10.2 Chassis Assembly Disassembly
Use a Philips head screwdriver to remove the four screws holding the main board to the chassis.
1. Lift the main board from the chassis (See Figure 3-5).
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.
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
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.
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.
M2x4 Philips screws
Main Board
O-ring Retainers on chassis
(4 position)
Chassis
O-ring
slots
!
C a u t i o n