Ref Xmit Mods for 706s shown above
 The xmit expand mod for the IC-706, MKII, MKIIG require removing very small diodes, these diodes are about the size of a flea, and require the use of very small tools.
 I have done mods before but these are difficult. 
After lots of thought I did my mod with an x-acto knife. I needed a magnifing glass and a new blade for the
x-acto knife.  I cut just the solder on one side of the tiny diode, making sure that is all I cut, then pushed
up on the diode, the other side breaks loose from the board.  I cut both diodes this way and it was easy
and worked fine. 
I could not find a soldering iron small enough to fit into tiny space available.
Good luck....  
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