T-9 SW PCB 161 52100260 MAINS POWER SWITCH seems they called this the

seems they called this the RTS1

and falling apart

undo the set screw and you will be fine

I did not see this machine broken down so not sure from where in the unit it came from

T-9 SW PCB 161 52100260 MAINS POWER SWITCH seems they called this theI have a bit of a "thing" about this range of Hi Fi I think it was designed really well cosmetically unlike many silver boxes of the time, the whole set use to cost 3500 Euro. For that money you got a pair of speakers in two wattage levels, and amp the same , a cassette recorder with funky lights, and a Tuner. There was also a few variants of a record player at that time If you was lucky they also made a special series of chrome legs and stand and a