Backup Battery Disassembly; Figure 32. Removing The Main Board From The Chassis; Table 19.Backup Battery Disassembly - Motorola ASTRO XTSTM 2500 Basic Service Manual

Disassembly/Assembly
Backup Battery
Disassembly
50
Refer to the Handling Precautions on page 4 before removing
the main board. Be sure to use ESD protection when handing
circuit boards.
C a u t i o n
2. Remove the O-ring from around the bushing at the antenna connector
3. Lift the main board from the chassis as shown in Figure 32.

Figure 32. Removing the Main Board from the Chassis

4. Most repairs to the main board can be performed without further disassembly
of the chassis. If it is necessary to replace the O-ring, remove the small O-ring
retainers from their slots in the chassis. Note the alignment of the retainers for
reassembly.
5. Remove the O-ring.
For this section, please refer to the Model III exploded view and parts list on page
39 for part numbers and more information on the location of parts in the radio.
Table 19. Backup Battery Disassembly
Exploded
View
Motorola Part Number
Item
Number
1 1578458A04
29 4385717D01
30 4271058L01
32 8416579H01
33 1485218D01
Description
Cover Assy, Front Model III
Spacer Plastic
Retainer Speaker
Board Circuit Flex Speaker Mic
Boot Mic