That is a fairly small town in the Czech Republic (also your profile flag), and I doubt any installers are hurting for work so hard they are going to be decoding coordinates in the hopes of.
My general experience with eastern Europe is everything like that is for sale and might even be the default (average salary of what $40kUSD a year tends to mean frivolities like games are a secondary concern when torrent sites still work). Hungary or Poland might be better options for it (both have extensive electronics industries) but repair is still a thing by default so there are doubtless phone/laptop repair shops with equipment worth speaking of (not that you need serious big boy tools for a switch). Might even be one in that little town but I am too lazy to go looking right now.
If you would be willing to make a trip to Prague or Pilsen you might have a better time, though none of my friends that visited Prague in recent years have particularly noticed anything like that so might be less overt than years past (granted nobody burns CDs/DVDs for market stalls any more), dude comes to your house or in the more local outer rings that even tourists with local guides don't visit and are closer for repairs when Klaudie drops her phone for the fifth time that year. Likewise I don't see much talk among the German set saying hop across the border and get it done where in years past Dresden provided a sizeable portion of income for electronics types in the border towns.
Buy and install might be harder -- chips were only sold and somewhat viable for a hot minute and while you could get a PS1 sorted in any location then they were viable for the entire lifetime more or less so make of that what you will. How many places will stock, much less for money you are willing to spend is a different matter (while games might be pirated by default the cost per game equation vs cost of chip works the same everywhere). Never say never but you might have to do one from somewhere (possibly have to bury the hatchet with aliexpress) and then install in the other.
