Teac A-4300SX Guide roller and bush I was not sure were

I was not sure were this came from but i can only think its was the A-4

From the A-4 dual opto couplers

You could save money and make your own I guess but this is the genuine part

Simple knob thats rare as often lost on the machines

its a different size than standard though button is the same

Teac A-4300SX Guide roller and bush I was not sure wereThis is something I have never seen before its a guide roller but its fixed and has two wires running to it to two metal rods the purpose of which I am uncertain perhaps to sense a magnetic strip for reverse as ths was a bidirectional machine. Some slight furring so needs a buff