Did not know Google translator could be insulting........
Around here we see any number of shall I say "thrifty" repairs, corners cut to save techs time and put more dollars in their pocket. Usually these "repairs" do not cause a fire hazard, just many returned faulty repairs. The good enough additude is alive and well, mostly from those doing mostly TV repair.
Patrice though, having been doing repair in France for decades has seen any number of dangerous modifactions done to get U.S. made vintage gear to work in Europe. European and Asian collectors do crave American vintage audio gear.
Google translator may sometimes be blunt but when fire safety is at stake would you expect any less?
Being it is 7:00 AM and this is my morning coffee time, I will have to recheck the schematics later.
Since I refreshed my cup I just used the AK search function for 087-019 and found a similar discussion between Jkent and Classic CJ, another long time tech about the two relays, this time in a MAC4100.
The search function is your friend and a time saver for all.