Ok, I found the answer. I removed the bottom after reading an article about an SRT201 that had a similar issue, also with the rewind button stuck in the depressed position. For whatever reason even though my keywords were identical, Google didn't think it was accurate until I searched specifically for stuck rewind buttons. I removed the bottom plate and found that the rewind lever went all the way down, and it was caught on a small ratchet pin that prevented it from opening. I pulled back the pin and actuated the rewind lever, and everything seemed to right itself, and now it works like a charm!