LC828 Interface ( RTRNX-GP328-V4) Manual Board Manual Page 2 of 12
Contents
1 SUMMARY: ................................................................................................................................................ 3
2 INTRODUCTION: ...................................................................................................................................... 4
2.1 Associated Motorola Propriety Documentation: ................................................................ ............ 4
2.2 Supported Portable Radios: ................................................................ ............................................ 4
2.3 Publication Record: ................................................................ ........................................................ 4
2.4 Alert Notices: ................................ .................................................................................................. 5
2.5 Contact details: ............................................................................................................................... 5
2.6 Copyright: ....................................................................................................................................... 5
2.7 Abbreviations ................................ .................................................................................................. 6
3 TECHNICAL OUTLINE: .......................................................................................................................... 7
3.0 LC828 interface-module: ................................................................................................................ 7
3.1 Printed Circuit Board (PCB) ................................................................ .......................................... 7
3.2 Connectors: ..................................................................................................................................... 7
3.3 Audio circuit: ................................ .................................................................................................. 7
3.4 Input protection:.............................................................................................................................. 8
3.5 Channel change: ................................................................ ............................................................. 8
4 TECHNICAL DESCRIPTIO N:................................................................................................................. 9
4.0 Connectors: ..................................................................................................................................... 9
4.1 Audio:................................ .............................................................................................................. 9
4.6 Channel switching:........................................................................................................................ 10
4.7 Light Emitting Diodes (LED’s): ................................................................ .................................... 11
4.8 Fuse:................................................................................................................................ .............. 11
5 BILL OF MATERIALS, SCHEM ATICS, PCB LAYOUT: .................................................................. 12