I have the oprotunity to acquire the above turntable. It has Roksan tabriz tonearm, probably the earlier model. The turntable require some work. The motor start slowly and i dont know if it platter rotate 33.5 or 45 rpm precisely. how much money i need to do a proper service of this TT. What is the price do you think is best to offer seller. Thanks in advacnce for your suggestions.