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2 chassis disassembly – Motorola PR400 User Manual

Page 76

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July, 2004

6881096C24-A

7-8 Limited Keypad Model Disassembly and Re-assembly: Disassembling and Re-assembling the Radio — General

7.4.1.5 PTT Disassembly

1.

If required, the PTT (

Figure 7-9

) can be disassembly using a small screwdriver, as follows:

a.

Insert the tip of a small screwdriver underneath the PTT and unsnap the top tab.

b.

Pry the PTT away from the radio housing.

c.

Inspect the two hooks. If bent or broken, the PTT must be replaced.

d.

Remove the PTT seal.

7.4.2

Chassis Disassembly

1.

Remove the O-ring.

2.

Use a Torx™ screwdriver with a T6 bit to remove the four screws (

Figure 7-10

) holding the main

board to the chassis.

3.

The audio jack shroud can be removed from the main board.

4.

Lift the main board from the chassis (

Figure 7-10

).

5.

Remove the battery contact seal.

Figure 7-9. PTT Removal

CAUTION: Refer to the CMOS CAUTION paragraph (see 3.3) before removing the main board. Be sure
to use Electrostatic Discharge protection when handling circuit boards.

Screwdriver

PTT Seal

Tab

Tab

Hooks

!