Technics SU V 505 Amp

Hello
I am looking for remote switches for a technics SU V 505, sorry I don't have a part number however the part looks likely to have been used in a number of models. Any suggestions will be greatly appreciated as the amp has great sentimental value :cheers:

Hi, what do you mean by "remote switches"?
Here is the service manual for your reference:
SU-V505