Manuals / Ramsey Electronics / Home Audio / Stereo Receiver

Ramsey Electronics FR146 manual

Models: FR146

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Ramsey Electronics FR146 manual

Contents

Ramsey Electronics Model No 2 METER FM RECEIVER KITFR146 PARTIAL LIST OF AVAILABLE KITS FR146 2 METER FM RECEIVER KIT TABLE OF CONTENTSKIT ASSEMBLY BUILDING YOUR FR146 KIT INTRODUCTION TO THE FR146 FM RECEIVERFR146 CIRCUIT DESCRIPTION Semiconductors and ICs PARTS LIST InductorsSpecial Components Fixed ResistorsControls and Hardware SEMICONDUCTOR REPLACEMENT DATAREQUIRED, NOT SUPPLIED NOTE CONCERNING THE AUDIO OUTPUT JACKU1 SA602 MIXER FR146 BLOCK DIAGRAMFR146 FR146 FR146 PARTS LAYOUT DIAGRAMNow, lets start building RAMSEY “Learn-As-You-Build”KIT ASSEMBLY2. SA602 OSCILLATOR-MIXERand VARACTOR TUNING FURTHER COMPONENT INSTALLATION1. ANTENNA INPUT AND TUNED RF PREAMPLIFIER FR146 FR146 21. Install C8, .001 uF marked .001, 102, or 1 nF PROGRESS SUMMARY 4. MC3359 FM IC and ASSOCIATED COMPONENTS 5. FINAL CONNECTIONS THE LM386 AUDIO IC STAGE ALIGNMENT PROCEDURE TESTING, ALIGNMENT AND ADJUSTMENTRECEIVER SENSITIVITY ADDING AN LED POWER ON INDICATOROTHER ENCLOSURE RECOMMENDATIONS SOME NOTES FOR ADVANCED USERS FR146 TROUBLESHOOTING HINTShearing about significant performance improvements, we do not recommend casual modification attempts FR146 The Ramsey Kit Warranty3.FACTORY REPAIR OF ASSEMBLED KITS RAMSEY MODEL NO. FR146 2 METER FM RECEIVER KIT ESTIMATED ASSEMBLYREQUIRED TOOLS TOTAL SOLDER POINTS