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Ramsey Electronics manual HR40 AMATEUR RECEIVER KIT, Kit Assembly, Table Of Contents

Models: HR40

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KIT ASSEMBLY

Ramsey Publication No. MHR40

Price $5.00

KIT ASSEMBLY

AND INSTRUCTION MANUAL FOR

HR40 AMATEUR

RECEIVER KIT

TABLE OF CONTENTS

Introduction to the HR40	4
About Direct Conversion	5
Circuit description	6
Parts list	7
Schematic diagram	9
Parts layout	10
Assembly instructions	11
Initial testing	14
Alignment	15
Using your HR40	16
Troubleshooting guide	19
Notes for experienced users	20
Warranty	26

RAMSEY ELECTRONICS, INC.

590 Fishers Station Drive

Victor, New York 14564

Phone (585) 924-4560

Fax (585) 924-4555

HR40 • 3

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Ramsey Electronics manual HR40 AMATEUR RECEIVER KIT, Kit Assembly, Table Of Contents

Contents

HR40 Small in size but BIG in features40 METER 7.0 MHZ ALL MODE RECEIVER KIT Ramsey Electronics Model NoRAMSEY TRANSMITTER KITS KIT ASSEMBLY TABLE OF CONTENTSHR40 AMATEUR RECEIVER KIT RAMSEY HR-SERIESAMATEUR RECEIVERS INTRODUCTIONABOUT DIRECT CONVERSION RECEIVERS Circuit Description PARTS SUPPLIED WITH THE HR40 KIT LEARN-AS-YOU-BUILDASSEMBLY STRATEGY HR40 HR40 PARTS LAYOUTRECEIVER ASSEMBLY HR40 ˆ17. Install R5, 10k ohms brown-black-orangeˆ18. Install R2, 10k potentiometer tuning control ˆ21. Install S1, the power switchHR40 INITIAL TESTING OF YOUR HR40 Alignment ON THE AIR TRANS-RECEIVING USING YOUR RECEIVERTUNING SSB SIGNALS CW OPERATIONMORE AUDIO POWER - ANOTHER WAY ADDING AN LED POWER ON INDICATORSPEAKER OPERATION HR40 TROUBLESHOOTING TIPS ALTERNATE POWER SOURCES BANDSPREAD AND TUNING RANGEGENERAL NOTES FOR EXPERIENCED QRP BUILDERS FREQUENCY STABILITY OTHER METHODS OF DIAL CALIBRATION DIRECT FREQUENCY READOUTTHE LM386 AUDIO OUTPUT volume control, R3 HR40 CONSTRUCTION NOTESHR40 HR40 The Ramsey Kit Warranty3. FACTORY REPAIR OF ASSEMBLED KITS RAMSEY MODEL NO. HR40 AMATEUR RECEIVER KIT