the modification for expantion tx has a smal faliure from the onther amateur.
diode d 3754 has to be removed also.
if you want complete tx than you have to remove:
d3751 d3752 d3753 and d3754.
if you let d3754 in place the rig has only a expantion on the 40 mtr band from 7.000 mhz. to 7.300 mhz.