Tait Orca 5020 - User Manual

D
PART
Servicing the radio
This part describes the disassembly and reassembly of Tait Orca
5000 handportables and the servicing of some key mechanical
and ancillary devices.
Information is also provided on ordering spare parts for servicing
handportables.
Contents
Servicing the radio
Servicing the radioServicing the radio
Servicing the radio .........................................................................................
..................................................................................................................................................................................
.........................................................................................D-3
D-3D-3
D-3
Screw head types ...................................................................................................D-3
Disassembling the radio
Disassembling the radioDisassembling the radio
Disassembling the radio ................................................................................
................................................................................................................................................................
................................................................................D-4
D-4D-4
D-4
Removing the front panel from the chassis ........................................................... D-4
Removing the shield from the chassis ................................................................... D-5
Removing the PCB from the chassis ...................................................................... D-6
Removing the rear panel ....................................................................................... D-7
Replacing key mechanical and ancillary devices
Replacing key mechanical and ancillary devicesReplacing key mechanical and ancillary devices
Replacing key mechanical and ancillary devices ............................................
........................................................................................
............................................D-8
D-8D-8
D-8
Replacing the lens (Orca 5020, Orca 5035 and Orca 5040) ...................................D-8
Replacing the PTT keypad ..................................................................................... D-8
Replacing the speaker ............................................................................................ D-9
Replacing the LCD display (Orca 5020, Orca 5035 and Orca 5040) ...................... D-9
Replacing the shield, user interface PCB assembly and polyester dome
(Orca 5020, Orca 5035 and Orca 5040) ............................................................... D-12
Replacing the antenna connector, channel selector switch and volume control switch........ D-12
Replacing the microphone .................................................................................. D-12
Replacing the battery and speaker contacts ........................................................ D-12
Replacing the tact switch ..................................................................................... D-12
Reassembling the radio
Reassembling the radioReassembling the radio
Reassembling the radio ................................................................................
................................................................................................................................................................
................................................................................D-13
D-13D-13
D-13
Rear panel reassembly and replacing the auxiliary flexible PCB ......................... D-13
Fitting the PCB to the chassis and replacing the RF out assembly ....................... D-14

Summary

Servicing the Radio

Screw Head Types

Details about Torx head screws and driver usage for disassembly.

Radio Disassembly Procedures

Removing the Front Panel

Step-by-step guide to detach the front panel from the radio chassis.

Removing the Shield Assembly

Procedure for removing the internal shield assembly from the radio chassis.

Removing the Main PCB

Steps to detach the main Printed Circuit Board (PCB) from the radio chassis.

Removing the Rear Panel

Instructions for safely removing the rear panel of the radio.

Replacing Radio Components

Replacing the Lens (Orca Models)

Guide for replacing the front lens on specific Orca radio models.

Replacing the PTT Keypad

Steps to replace the Push-To-Talk (PTT) keypad assembly.

Replacing the Speaker

Instructions for removing and installing a new speaker.

Replacing the LCD Display (Orca Models)

Procedure for replacing the LCD display on specific Orca models.

Replacing Shield, UI PCB, and Polyester Dome (Orca Models)

Replacing the UI PCB and shield assembly on specific Orca models.

Replacing Switches and Antenna Connector

Replacing key switches and the antenna connector.

Replacing the Microphone

Steps for desoldering and soldering a new microphone.

Replacing Battery and Speaker Contacts

Procedure for replacing battery and speaker contacts, noting heat sensitivity.

Replacing the Tact Switch

Instructions for replacing the PTT tact switch.

Radio Reassembly Procedures

Rear Panel and Auxiliary Flexible PCB Reassembly

Reassembling the rear panel and installing the auxiliary flexible PCB.

Fitting PCB and RF Out Assembly

Installing the main PCB and the RF out assembly.

Fitting the Shield to the Chassis

Securing the main shield onto the radio chassis.

Fitting the Front Panel to the Chassis

Attaching the front panel to the main chassis.

Spares Kits Information

Available Spares Kits and Ordering

Lists available spares kits for servicing radios and provides ordering information.

Tait Orca 5020 Specifications

General

Power Output	5W (VHF), 4W (UHF)
Water Resistance	IP54
Battery Type	Li-Ion
Operating Temperature	-20°C to +55°C
Frequency Range	136-174 MHz
Battery Life	Up to 12 hours
Operating Voltage	7.4V
Channel Capacity	16 channels