Maxon Telecom SP200, SP210 11.3.4 Receive Adjustments

SP200/210 Maxon SP200/210 Radio

Issue 1.0 APPENDIX A - ACC-2 003 INTERFACE BOX

03/01 Page 11-7

11.3.4 Receive Adjustments

The receive mode is entered by pressing SHIFT + R on the keyboard.

Ensure that the power supply is set to +7.5V.

11.3.4.1 Audio Output Level

Set Test Set RF level to –47dBm, with 1kHz audio modulati on at 20dB above nominal. Set the

volume control to maximum and adjust RX_VOL to generat e 2.2Vrms audio output level.

Any other adjustments are covered earlier on in this Service Manual.

Contents

Main Page Page Page TABLE OF CONTENTS 1 INTRODUCTION 1-1 2 SPECIFICATIONS 2-1 3 ACCESSORIES & OPTIONS 3-1 4 INSTALLATION, COMMISSIONING & ALIGNMENT 4-1 8 EXPLODED MECHANICAL DRAWINGS & PARTS LISTS 8-1 9 CIRCUIT DIAGRAMS & PCB LAYOUTS 9-1 10 SPARE PARTS 10-1 11 APPENDIX ACC-2003 ALIGNMENT BOX 11-1 LIST OF FIGURES LIST OF TABLES Page 1 INTRODUCTION 1.1 Using this Manual 1.2 Amendments to this Manual 1.3 Contact Information 2 SPECIFICATIONS 2.1 General Page 3 ACCESSORIES & OPTIONS 3.1 Pre-Install Check 3.2 Accessories 3.3 Options Page 4 INSTALLATION, COMMISSIONING & ALIGNMENT 4.1 Installation 11 12 4.2 Connections 4.3 Commissioning Page Page Page 4.3.1 Test Equipment Connection 4.3.2 Transmitter Performance Tests 4.3.3 Receiver Performance Tests 4.4 Power Adjustment PowerSquelch 4.5 Alignment 4.5.1 Preparation 4.5.2 Disassembly and Re-assembly of the Radio RF PCB 4.5.3 PLL Alignment 4.5.4 Squelch Sensitivity 4.5.5 Transmitter Alignment RADIOCOMMUNICATIONS TEST SET Page 4.5.6 Receiver Alignment 5 DETAILED FUNCTIONAL DESCRIPTION 5.1 Introduction 5.2 Common Circuits 5.3 Audio ASIC 5.3.1 Audio Signal Path 5.3.2 Sat Signal Path 5.3.3 Miscellaneous Signals and Controller 5.4 Audio/SAT Circuits 5.5 Common RF Circuits ~ Page 5.6 Transmitter 5.7 Receiver ~ Page Page 6 TROUBLESHOOTING 6.1 Diagnostic Function 6.2 Troubleshooting Chart 6.3 Voltage Charts 6.3.1 Transistors (Main Circuit) Maxon SP200/210 Radio SP200/210 TROUBLESHOOTING Issue 1.0 Page 6-4 03/01 6.3.2 Integrated Circuits Table 6-5 - Integrated Circuit Voltages (Transmit) Receive Table 6-4 - Integrated Circuit Voltages (Receive) Transmit Page Page Page Page 7 PROGRAMMING 7.1 SMP6100 7.1.1 Introduction 7.1.2 Getting Started 7.1.3 Programming Page Page Page 8 EXPLODED MECHANICAL DRAWINGS & PARTS LISTS 8.1 Parts List 8.2 Spare Parts Page Page Page Page Page Page 8.4 SL100 VHF Parts List 8.4.1 V2 Control Circuit Page 8.4.2 V2 RF Page Page 8.4.3 TCXO Assembly 8.4.4 V2 VCO 8.4.5 V2 Front End 8.5 SL100 UHF Parts List 8.5.1 U2 Contr o l Circuit Page 8.5.2 U2 RF Page Page 8.5.3 TCXO 8.5.4 VCO Page 9 CIRCUIT DIAGRAMS & PCB LAYOUTS Page Page Page Page Page Page Page 10 SPARE PARTS 10.1 Spare Parts 10.1.1 Component Replacement Page Page 11 APPENDIX ACC-2003 ALIGNMENT BOX 11.1 Purpose 11.2 Test Equipment 11.3 Calibration Program 11.3.1 Operation Page Page 11.3.2 Adjustment of ASIC values Page 11.3.3 Transmit Adjustments 11.3.4 Receive Adjustments 11.4 Default Settings 11.4.1 V1 Band Default Settings 11.4.2 V2 Band Default Settings 11.4.3 U1 Band Default Settings 11.4.4 U2 Band Default Settings