Motorola Astro XTL 5000 - Page 8

vi Table of Contents
June 11, 2003 6881096C73-O
7.1 Universal Crypto Module Kits.........................................................................................................7-1
7.1.1 Secure Interface Boards ...................................................................................................7-1
7.1.2 Secure Dispatch Operation...............................................................................................7-1
7.1.3 Secure Emergency Operation...........................................................................................7-2
7.2 Load an Encryption Key.................................................................................................................7-2
7.2.1 W3 Control Head ..............................................................................................................7-2
7.2.2 W4, W5, W7, and W9 Control Heads ...............................................................................7-3
7.3 Advanced Secure Operation..........................................................................................................7-3
7.3.1 Multikey Operation............................................................................................................7-3
7.4 Erase a Key ...................................................................................................................................7-3
7.4.1 W3 Control Head ..............................................................................................................7-4
7.4.2 W4, W5, W7, and W9 Control Heads ...............................................................................7-5
7.5 Erase a Single Key (W3 Control Head) .........................................................................................7-6
7.6 Erase All Keys................................................................................................................................7-6
7.6.1 W3 Control Head ..............................................................................................................7-6
7.6.2 W4, W5, W7, and W9 Control Heads ...............................................................................7-7
7.7 Over-the-Air Rekeying ...................................................................................................................7-7
7.7.1 W3 Control Head ..............................................................................................................7-8
7.7.2 W4, W5, W7, and W9 Control Heads ...............................................................................7-9
Chapter 8 Disassembly/Reassembly Procedures ............................. 8-1
8.1 Introduction ....................................................................................................................................8-1
8.2 Replacement Procedures ..............................................................................................................8-1
8.2.1 Required Tools and Supplies............................................................................................8-1
8.2.2 Control Head Boards Disassembly/Reassembly ..............................................................8-2
8.2.2.1 W3 Disassembly......................................................................................................8-2
8.2.2.2 W3 Reassembly.......................................................................................................8-3
8.2.2.3 W4, W5, and W7 Disassembly ................................................................................8-4
8.2.2.4 W4, W5, and W7 Reassembly.................................................................................8-5
8.2.2.5 W9 Disassembly......................................................................................................8-6
8.2.2.6 W9 Reassembly.......................................................................................................8-6
8.2.3 Remote Back Housing Interface Board Disassembly/Reassembly ..................................8-7
8.2.3.1 W4, W5, and W7 Disassembly ................................................................................8-7
8.2.3.2 W4, W5, and W7 Reassembly.................................................................................8-7
8.2.4 Remote Interconnect Board Assembly/Reassembly.........................................................8-7
8.2.4.1 Assembly .................................................................................................................8-7
8.2.4.2 Reassembly .............................................................................................................8-8
8.2.5 Radio Disassembly ...........................................................................................................8-8
8.2.6 Radio Reassembly..........................................................................................................8-19
8.3 Chassis Thermal Pad Replacement Procedure...........................................................................8-30
8.4 Fastener Torque Chart.................................................................................................................8-32
Chapter 9 Basic Troubleshooting ....................................................... 9-1
9.1 Introduction ....................................................................................................................................9-1
9.1.1 J2 Accessory Connector...................................................................................................9-1
9.1.2 I/O Disclaimer ...................................................................................................................9-3
9.1.3 Microphone Bias ...............................................................................................................9-4
9.1.4 Audio PA Out Bias ............................................................................................................9-5
9.1.5 High Power RF Precaution ...............................................................................................9-5
9.2 Replacement Board Procedures....................................................................................................9-5