Motorola ASTRO XTL 5000 Basic Service Manual page 8

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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
June 11, 2003
Table of Contents
6881096C73-O