modification lincoln ii ssb/s meter/rx audio
TRANSCRIPT
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MODIFICATION LINCOLN II
SSB/S meter/RX Audio
LINCOLN II components side
Part 1
Part 2
Part 3
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PART 1
Replace R122 from 82Ω to 150Ω
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PART 2
Solder a resistor of 68KΩ between U1D pin 14 and the anode of D40
U1D pin 14 Delete R252
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PART 3
Delete R205 100KΩ and solder a strap
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Replace C136 from 10nF to 0,1µF Delete C262
Replace R179 from 47KΩ to 22KΩ Replace R206 from 27KΩ to 10KΩ