@radiorich Thank you, Richard. I already got the clutch gear, and possibly have a lead on a NOS flywheel. With some good luck, I will have all the parts soon. Best, Alex
A quick update: I installed the belt from DeckTech and it is a perfect fit! The slack is gone, and the tape speed has stabilized, mostly. There's still some difference between FWD/REV, but W & F has been reduced significantly and even audibly. I also reset the playback speed back to the previous levels, since the inner capstan tension has increased. @Valentin - thank you so much for the lead on the Mana_Tree vendor. The clutch gear replacement arrived also. This is the next step. I will keep you updated on the progress. Thanks for all the help!
Hello EuroFlash, Nice that Sounds good this last weekened I restored My Sony model TR-610 Am transistor radio it really works well after replacing the smalled Can electrolytic which had 3 electrolytics in on can .
Just a quick update, a bit delayed. I had to reorder the clutch gear as it arrived cracked. The eBay seller had integrity and took care of me with the new one. Once again, a complete disassembly and desoldering followed. I examined the flywheel for cracked gear, and it was negative. Whew! (Valentin suspected it was the cause of high-frequency clicking noise). Once I installed the new clutch gear, the mechanism worked without issues. I was surprised to see that a tiny crack in the clutch gear can cause so much trouble, this was a new learning. In summary: a new and correct belt and a clutch gear replacement did the job! @Valentin, thank you for your expertise and guidance. I appreciate it and it helped to narrow down the problem. A side note: working on these tiny Walkmans is not easy. It requires dexterity with tools, good eyes (or a magnifying glass), and a ton of patience.
Euroflash , Sorry to hear that about that gear and yes who would think that little crack would make that much diffrence but it does anyway I also restored a Sony Tr-620 and I won a General Electric built in 1957 am transistor set and I have two tube car radios to restore for customers ! Sincerely Richard