“Yamaha DX21 FM Synthesizer. It works but the problems are. 4 or 5 keys does not work. They feel great but no sound. The main edit button does not work. It turns on and you can play sounds except for the keys that do not work. That’s why it’s listed for parts or not working. Its my understanding it may only need a cleaning on the inside to get the keys and button trio work but I’m not 100 sure. ” Click here to search for synths on eBay
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