Display Model Disassembly and Re-assembly:Disassembling and Re-assembling the Radio — General

6-7

 

 

6.4.1.4Keyboard Removal

1.Carefully pry the four keypad retainer locking tabs free from the housing use a scribe.

Note: Use care when removing the keypad retainer to prevent damage to the keyboard flex cable.

2.Lift the keypad retainer up from the bottom and slide the top tabs out.

3.Slide keypad retainer out of chassis carefully to prevent damage to flex cable.

CAUTION: Refer to the CMOS CAUTION paragraph (6.3) before removing the main board. Be sure to

!use Electrostatic Discharge protection when handling circuit boards.

4.Lift LCD keypad board out of housing (Figure 6-8).

5.Lift keypad out of housing.

Keypad Retainer

Flex Cable

Keypad Board

Keypad

Figure 6-8. Keypad Removal

6.4.1.5PTT Disassembly

1.If required, the PTT (Figure 6-9can 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.

HKLN4215A

December 3, 2003

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Motorola EP450 service manual Keyboard Removal, PTT Disassembly

EP450 specifications

The Motorola EP450 is a robust and reliable two-way radio that has made a significant impact in the world of professional communications. Known for its solid construction and exceptional performance, the EP450 is a popular choice among various industries, including security, transportation, and event management.

One of the standout features of the Motorola EP450 is its impressive audio quality. Equipped with advanced audio processing technologies, the radio offers clear and crisp sound, ensuring effective communication even in noisy environments. This feature is particularly beneficial for users who work in fields where situational awareness and timely communication are crucial.

The EP450 operates on both VHF and UHF frequency bands, making it versatile for various communication needs. With 16 channels and a wide frequency range, users can easily switch between channels to avoid interference and ensure secure communications. Additionally, the radio offers a programmable feature, allowing users to customize button functions and settings, which enhances the overall user experience.

The battery life of the EP450 is another notable characteristic. It comes powered with a long-lasting rechargeable battery that provides extended usage on a single charge. This ensures that users can rely on the device throughout their shifts without concerns about running out of power. Furthermore, the EP450 features a battery save mode that helps conserve energy when the radio is not in use.

In terms of design, the Motorola EP450 is built to withstand tough environments. Its rugged housing is dustproof and can withstand exposure to water, making it suitable for outdoor use. Additionally, the radio's user-friendly interface includes a large display and oversized buttons, allowing users to operate it easily even with gloves or in challenging conditions.

Furthermore, the EP450 supports various accessories, such as headsets and external microphones, enhancing usability and flexibility in various operational scenarios. This adaptability allows users to customize their communication solutions based on specific needs.

In conclusion, the Motorola EP450 stands out for its superior audio quality, versatile frequency operation, long-lasting battery life, and rugged design. These features make it an indispensable tool for professionals who require reliable communication in demanding environments, proving its value across a multitude of industries.