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Receiver
HR-1680
Manual
Heathkit HR-1680 Manual
Ssb/cw receiver
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
VFO Circuit Board
HFO/XTAL Calibrator Circuit Board
Front End Circuit Board
AUD/REG Circuit Board
Chassis 0
Assembly Notes
Circuit Board Assembly
VFO Circuit Board
HFO/XTAL Calibrator Circuit Board
Front End Circuit Board
AUD/REG Circuit Board
Chassis Assembly
Initial Tests
Resistance Checks
Voltage Checks
Sound Check
Alignment 0.0.0
Cabinet Assembly 20
Operation 2
Typical Operating Characteristics
In Case of Difficulty
Visual Checks
Precautions for Troubleshooting
Checking Transistors and Diodes
Troubleshooting Charts
Circuit Description
Front End Circuit Board
AUD/REG Circuit Board
VFO Circuit Board
HFO/XTAL Calibrator Circuit Board
Integrated Circuits
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for the
SSB/CW RECEIVER
Model HR-1680
595-1830-08
|
HEATH
COMPANY
+ BENTON
HARBOR, MICHIGAN
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Table of Contents
Troubleshooting
Precautions for Troubleshooting
85
Troubleshooting Charts
88
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