Third time in as many months, usual PbF phantom problems, solder looks
fine but no wetting between eyelet and pin and grey (tinpest?) pin, even
after desoldring. Other repairers regularly finding this failure
mechanism also?
This time 2009 Revera Fandango valve amp . Needless to say problem is
with one of the combined pot and pull-switch , awkward to desolder.
So what is the function of eyelets other than to bridge gaps in pcb
holes, for resourced components with smaller pins than original source ,
and so incompatible with pcb drillings otherwise , for stuctural solder
integrity.
Perhaps with proper solder they made more robust joints but for RoHS times ?