Nice write up and MUCH better than the Ameritron PDF for the mod. Download Driver Mainboard Foxconn G31mxp. They should contact you about using your writeup. Thank you for the photos - Now I can see what's inside the input tuning slugs and what happens if they are turned in too far. Win Xp 64 Bit Iso Download. Your write up says 'after serial number 1240' - that much be an older amp? My amp is serial number AL82-12015. Looking at the schematic from Ameritron website, they do show just as you wrote up - wonder why they are not making those revisions to new amps since they have the mod listed on the website under 'Product support'? Do you have a link to the QST writeup?