Справочник ПользователяСодержаниеFront Cover1Contents3List of Tables6List of Figures6Foreword7General7Safety Information7Manual Revisions7Computer Software Copyrights7Replacement Parts Ordering7Parts Ordering8Motorola Parts8Parts Identification8Related Documents8Safety and General Information9Important Information9RF Operational Characteristics9Exposure to Radio Frequency Energy9Electromagnetic Interference/ Compatibility10Introduction11General11Compact Mechanical Design11State-of-the-Art Electrical Design11Transmitter Circuitry11Receiver Circuitry11Station Control Module11Wireline Circuitry12Switching Power Supply12Standard Features12Optional Hardware Features12System Applications13Local Control13External Duplexer Operation13Repeater RA or Cross Band Repeater Operation13Models and Specifications15Model Chart15Maintenance Specifications16Approved Accessories19General19Antenna19Setup and Connections21Programming with RSS21Introduction21Connecting PC to PDR 3500 RSS Port21Using the RSS22Hardware Configuration22Alignment22Channel Information24Electrical Connections25Power Supply Connections25RF Cabling Connections25Introduction25Separate RX and TX Connectors26Duplexer26Operation27Description27Summary of Switches, Pushbuttons, and Connectors27Summary of LED Indicators27Troubleshooting29Introduction29Troubleshooting Overview29Recommended Test Equipment29Test Equipment List29Troubleshooting Procedures29Troubleshooting Overview30Introduction30Procedure 1: Routine Maintenance Functional Checkout30Procedure 2: Troubleshooting A Reported/Suspected Problem30How to Use These Troubleshooting Procedures30Interpreting LED Indicators34Interpreting Alarm Alert Tones38Introduction38Verifying Transmitter Circuitry39Required Test Equipment39Verifying Transmitter Circuitry Procedure39Verifying Receiver Circuitry43Required Test Equipment43Verifying Receiver Circuitry Procedure44Verifying Receiver Circuitry (Digital- Capable Stations)49Required Test Equipment50Wiring Diagram51Module Replacement Procedures53General Replacement Information53Anti-Static Precaution53Care of Gold-Plated Connector Contacts54Power Down Station Before Removing/ Inserting Modules54Validating Repairs54Module Replacement54Station Control55Physical Replacement of the Station Control Module55After Installing the New Station Control Module55Wireline56Physical Replacement of the Wireline Module56After Installing the New Wireline Module57ASTRO Modem Card/ V.24 Interface Card57Physical Replacement of the Card57After Installing the New Card57Receiver57Physical Replacement of the Receiver Module57After Installing the New Receiver Module58Exciter59Frequency Band Considerations59Physical Replacement of the Exciter Module59After Installing the New Exciter Module59Power Amplifier60Frequency Band Considerations60Physical Replacement of the Power Amplifier60After Installing the New Power Amplifier61Power Supply61Physical Replacement of the Power Supply61Backplane62Before Installing the New Backplane62Physical Replacement of the Backplane62After Installing the New Power Amplifier63Preselector Field Tuning Procedure63Required Test Equipment64VHF Tuning Procedure64Calculating Proper Alignment Frequency64Preparing Equipment65VHF Tuning Procedure66UHF Tuning Procedure67Calculating Proper Alignment Frequency67Preparing Equipment68Tuning Procedure69Functional Theory of Operation71Transmitter Circuitry Operation71Introduction71Exciter Module Operation71Power Amplifier Module Operation72Receiver Circuitry72Introduction72Receiver Module Operation72Station Control Module73Introduction73Station Control Module Operation73Wireline Interface Board73Introduction73Wireline Interface Board Operation73Power Supply Module Operation74Schematics75Figure 16. PDR 3500 Functional Block Diagram76Figure 17. PDR 3500 Schematic Sheet 177Figure 18. PDR 3500 Schematic Sheet 278Figure 19. PDR 3500 Backplane Circuit Board Detail80Back Cover82Размер: 904,8 КБСтраницы: 82Язык: EnglishПросмотреть
