Oh boy. What a treat they were at first. For the 2 pairs we have it was 7 trips back to the factory in the first 10 years of use.
Here there are mutiple and vastly different versions/revisions of the VCO/MOD SINTHESIZER, LOCK UPCONVERTER/LO, VCO/MODULATOR, OUTPUT/VCO, 63MHZ TO 850KHZ IF BOARD. Plus some mods I've made to get them working again.
May be a while before I could get a copy made. But I do need to get copies made of the large "blue print" type schematics before they fade to oblivion.
Got to keep 'em running since Moseley's no longer making the PCL6000 series analog STL.