Hi,
I saw the tread about the vmod archive so i tought: lets help a bit!
So: Locate the upper chip, solder a 30-35K pot to pin 7 and connect to the ground, set the pot @ max resitance and turn VERY SLOWLY down while checking the voltage in the bios...
http://users.pandora.be/rub87/rest/KT4V.jpg
