IC-505 side tone modificationAuthor: Vesa OH3NWQ
It seems that the guys at Icom factory have put a wrong resistor to this place. It should be 220 kohm instead of 22 kohm.
After cutting the leg on 22 kohm resistor and putting 220 kohm in series.
Works much better now.
73 de Vesa OH3NWQ
IC-505 ALC adjustmentAuthor: Ian M0BCG
visits to modification pages.