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Sony CFS W 470S Belts :-(

Discussion in 'Tech talk' started by Leonfree, Jun 18, 2026 at 12:01 PM.

  1. Leonfree

    Leonfree New Member

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    Hello. My ghettobaster Sony CFS W 470S has been waiting for about 20 years for me to get compact cassettes playing. Now I've made some progress. I downloaded the service manual. I looked inside the case and saw that only one belt, number 258 according to the manual, had fallen apart. Two more simple belts are very stretched, but I'll replace them; there's no problem with the tape counter and rewind. The other belt, which also attaches to the motor pulley, is number 281. It turned out to be strong and not stretched. When I pull on it, it resists strongly; it feels like a new belt. It remained in my hands as a closed loop. But I still don't know what its real length once was. Now its half-length is approximately 155 mm. And how exactly it passes through the two flywheels and the three plastic wheels of deck A. Please tell me. If I manage to upload a photo, I'll include a picture of these wheels one and two and the X wheel in the center between the flywheels. Today I asked Al about this at length. He immediately told me the belt lengths: 122 and 109 mm (belt numbers 281 and 258). :yahoo Well, my joy soon waned. He first offered me one way to wind the belt on the wheels, then diametrically opposed ones, then a third, a fourth, a 10th, and each time he said, "I made a mistake, but now the final, definitively correct one will be." I'm completely disillusioned with this kind of help; it's a complete lie. So I'm relying solely on you, bro.
     

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