viii Table of Contents
3.3.10 Audio Loopback Earpiece Test Mode............................................................................ 3-10
3.3.11 Battery Check Test Mode .............................................................................................. 3-11
3.3.12 Button/Knob/PTT Test Mode ......................................................................................... 3-11
3.4 Non-Display Model Test Mode................................................................................................... 3-13
3.4.1 Entering Non-Display Radio Test Mode ........................................................................ 3-13
3.4.2 RF Test Mode ................................................................................................................ 3-13
3.4.3 LED Test Mode..............................................................................................................3-13
3.4.4 Speaker Tone Test Mode .............................................................................................. 3-13
3.4.5 Earpiece Tone Test Mode ............................................................................................. 3-14
3.4.6 Audio Loopback Earpiece Test Mode............................................................................ 3-14
3.4.7 Battery Check Test Mode .............................................................................................. 3-14
3.4.8 Button/Knob/PTT Test Mode ......................................................................................... 3-14
Chapter 4 Radio Programming and Tuning ....................................... 4-1
4.1 Introduction .................................................................................................................................. 4-1
4.2 Customer Programming Software Setup ..................................................................................... 4-1
4.3 AirTracer Application Tool............................................................................................................ 4-2
4.4 Radio Tuning Setup ..................................................................................................................... 4-2
4.5 RF Adaptor Assembly .................................................................................................................. 4-3
Chapter 5 Disassembly/Reassembly Procedures ............................. 5-1
5.1 Introduction .................................................................................................................................. 5-1
5.2 Preventive Maintenance .............................................................................................................. 5-1
5.2.1 Inspection ........................................................................................................................ 5-1
5.2.2 Cleaning Procedures ....................................................................................................... 5-1
5.3 Safe Handling of CMOS and LDMOS Devices ............................................................................ 5-2
5.4 Repair Procedures and Techniques – General............................................................................ 5-4
5.5 Disassembling and Reassembling the Radio — General ............................................................ 5-5
5.6 Radio Disassembly – Detailed ..................................................................................................... 5-6
5.6.1 Front Cover from Chassis Disassembly .......................................................................... 5-6
5.6.2 Chassis Disassembly..................................................................................................... 5-10
5.6.3 Interface Board, Keypad Board and LCD Disassembly.................................................5-14
5.6.4 Speaker and Universal Connector Flex Disassembly.................................................... 5-17
5.6.5 Emergency Button Assembly Dissassembly ................................................................. 5-19
5.6.6 Bluetooth GPS Antenna Disassembly ........................................................................... 5-20
5.7 Radio Reassembly - Detailed ....................................................................................................5-21
5.7.1 Bluetooth GPS Antenna and Emergency Button Reassembly ...................................... 5-21
5.7.2 Speaker and Universal Connector Flex Reassembly .................................................... 5-22
5.7.3 Interface Board, Keypad Board and LCD Reassembly ................................................. 5-24
5.7.4 Chassis Reassembly ..................................................................................................... 5-26
5.7.5 Chassis and Front Cover Reassembly .......................................................................... 5-29
5.8 Ensuring Radio Immersibility ..................................................................................................... 5-30
5.8.1 Servicing ........................................................................................................................ 5-30
5.8.2 Accidental Immersion .................................................................................................... 5-30
5.8.3 Specialized Test Equipment .......................................................................................... 5-30
5.8.4 Vacuum Pump Kit NLN9839.......................................................................................... 5-30
5.8.5 Pressure Pump Kit NTN4265 ........................................................................................ 5-31
5.8.6 Miscellaneous Hardware ............................................................................................... 5-31
5.8.7 Vacuum Test.................................................................................................................. 5-31
5.8.8 Pressure Test ................................................................................................................ 5-32
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