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manual FR6 BLOCK DIAGRAM
Models:
FR6
1
8
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Troubleshooting
Parts list
FR6 BLOCK DIAGRAM
Warranty
Alignment Procedure
Page 8
Image 8
FR6 BLOCK DIAGRAM
U2, 3359
FR6 • 8
Page 7
Page 9
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Contents
6 METER FM RECEIVER KIT
Ramsey Electronics Model No
RAMSEY TRANSMITTER KITS
KIT ASSEMBLY
TABLE OF CONTENTS
FR6 6 METER FM RECEIVER KIT
INTRODUCTION
BUILDING YOUR FR6 KIT
FR6 CIRCUIT DESCRIPTION
PARTS LIST Inductors
Semiconductors and ICs
Special Components
Fixed Resistors
NOTE CONCERNING THE AUDIO OUTPUT JACK
Controls and Hardware
REQUIRED, NOT SUPPLIED
FR6 BLOCK DIAGRAM
FR6
FR6 PARTS LAYOUT DIAGRAM
FR6
FR6
RAMSEY “Learn-As-You-Build”KIT ASSEMBLY
Now, lets start building
2. SA602 OSCILLATOR-MIXERand VARACTOR TUNING
1. ANTENNA INPUT AND TUNED RF PREAMPLIFIER
22. 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
83. Install the battery snap terminal in the two holes below S1, making sure that the positive red lead is inserted into the + hole on the PC board
TESTING, ALIGNMENT AND ADJUSTMENT
ALIGNMENT PROCEDURE
ADDING AN LED POWER ON INDICATOR
RECEIVER SENSITIVITY
OTHER ENCLOSURE RECOMMENDATIONS
FR6 TROUBLESHOOTING GUIDE
SOME NOTES FOR ADVANCED USERS
3.FACTORY REPAIR OF ASSEMBLED KITS
The Ramsey Kit Warranty
FR6
RAMSEY MODEL NO. FR6 6 METER FM RECEIVER KIT
TOTAL SOLDER POINTS 232 ESTIMATED ASSEMBLY TIME
REQUIRED TOOLS
ADDITIONAL SUGGESTED ITEMS
