Dual CC8015 belt problem

Hello everyone!
I recently bought a Dual CC 8015 deck, which does not have belts. According to the service book, it has 3 belts, but I can't find the correct way to install the belts based on the pictures. The capstan belt is fine, the other two are causing problems. Maybe someone has such a device and knows where the belts are or knows the mechanics, please help. I couldn't find almost any information about this device on the internet. I'll upload some pictures. Thank you for your attention and help!
 

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