Motorola MOTOTRBO DM4400 - Page 8

vi Table of Contents
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 Control Head– General................................................... 5-5
5.5.1 Cable Disassembly from Transceiver Adapter ................................................................ 5-6
5.5.2 Transceiver Adapter Removal ......................................................................................... 5-6
5.5.3 Cable Disassembly from Handheld Control Head ........................................................... 5-7
5.5.4 Handheld Control Head Disassembly.............................................................................. 5-8
5.5.5 Handheld Back Housing Removal ................................................................................. 5-10
5.5.6 Handheld Front Housing Removal................................................................................. 5-11
5.5.7 Handheld Front Housing Reassembly ........................................................................... 5-16
5.5.8 Handheld Back Housing Reassembly ........................................................................... 5-21
5.5.9 Handheld Control Head Reassembly ............................................................................ 5-23
5.5.10 Cable Reassembly for Handheld Control Head............................................................. 5-24
5.5.11 Transceiver Adapter Reassembly.................................................................................. 5-25
5.5.12 Cable Reassembly to Transceiver Adapter ................................................................... 5-26
5.6 Exploded Mechanical Views and Parts Lists ............................................................................. 5-27
5.6.1 Control Head Assembly Exploded View and Parts List ................................................ 5-27
5.6.2 Control Head Assembly Exploded View and Parts List for Front Housing .................... 5-28
5.6.3 Control Head Assembly Exploded View and Parts List for Back Housing..................... 5-29
5.6.4 Transceiver Adapter Exploded Views and Parts Lists ................................................... 5-30
5.7 Torque Chart.............................................................................................................................. 5-30
Chapter 6 Basic Troubleshooting ....................................................... 6-1
6.1 Basic Troubleshooting for Control Head ...................................................................................... 6-1
Appendix A Replacement Parts..............................................................A-1
A.1 Level 1 and 2 Maintenance..........................................................................................................A-1
A.1.1 Replacement Parts Ordering ...........................................................................................A-1
A.2 Level 3 Maintenance....................................................................................................................A-1
Glossary......................................................................................... Glossary-1