Total posts : 45366
Thank you dlpoole for the interesting account of how revisions can be made to certified products without triggering a complete re-certifying.
And to Rich Powers, since no one else has replied to your question, I’ll give my theory. Because the circuitry of the CCrane FMT-007 is extremely small and tightly packed, I think MICRO1700 resorted to a brute force removal of the X1 (which is the standard symbol for “crystal”) perhaps by twisting it free with pliers. As MICRO has revealed to us, he is visually handicapped and the task of doing surgery on tiny circuitry is not an option.
In reality, very few of us (opinion) would be able to un-solder and then re-solder the crystal from that circuit, without causing damage to surrounding parts.