How to get IC-730 WARC bands on emission
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The modification is described in the user's manual, page 23, chapter 7-2, RF unit :
 Cut the small green wire near the FI2 crystal filter of the RF unit.
This wire is labelled "D" on the printed circuit sketch of the RF unit.
It links the source of Q7 to resistor R48.
Good DX
Gabriel F6DQM