Thread: Bush DAC90A can't get tuning knob off
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Old 17th Sep 2021, 5:34 pm   #35
Radio tirana
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Join Date: Nov 2015
Location: Oxfordshire, UK.
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Default Re: Bush DAC90A can't get tuning knob off
HI Steve
here are some pictures of the modification I mentioned on order to isolate pin 4 of the output valve. Second picture shows original wiring.
Third picture is the smoothing Cap.
Kind regards RT
Attached Thumbnails
Click image for larger version Name: After modification.jpg Views: 57 Size: 67.2 KB ID: 241512   Click image for larger version Name: before modification.jpg Views: 63 Size: 66.7 KB ID: 241513   Click image for larger version Name: smoothing cap.jpg Views: 52 Size: 46.0 KB ID: 241516  
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