This is what was going on. The capstan was rotating the pinch roller ok. But instead of having traction against the tape to move it, the tape was...
I've been trying to revive an Aiwa HS-J9 main board. It and the adjacent motor board were badly corroded by leaking batteries. The motor board...
Thanks for the guidance. The text with the light blue background is a list of 3-4 words saying which panels to pick on the puzzle. Such as:...
Ah, yes, the number of times I've worked on a tape drive problem because the Pause switch was engaged during testing... I'm currently working on...
New populated motor boards are available for some Aiwa models. Could you post a photo of yours?
Though I have used Superbuy to buy items from Goofish China, to ask a seller a question or specify a choice of item, I need to logon to Goofish....
Thanks for the offer. In the meantime I've accumulated more of these things than I ever expected to, and I'm doing my best to not buy more.
I know on the models using the 2ME-7 mechanism, such as the J36/360/85/10/9/09/600 the motor reverses direction for reverse play and rewind.
I'm not sure how to navigate this Korean blog, but there are several contributors who post a lot of content about repairing Walkmen. Deja Vu in...
Replacement bare motor boards like this are being made in China. A lot of the Aiwa's that use this board mount it right next to the internal...
Here's the chip.[ATTACH]
I'm glad I never got rid of the Sanyo M9998 ghetto blaster I bought in 1979 and the Aiwa HS-J09 I bought in 1986, even though both of them stopped...
I redid the testing using 7000hz, and indeed there was room for more precise speed adjustment. I can't get the graph to register exactly 7000hz...
Because what you say makes perfect sense, I'm going to go back and redo the testing using 7000hz. instead of 1000. I was thinking about why high...
It is possible prerecorded tapes could have been recorded at the wrong speed, but there was a huge brand image disincentive to allow that. I've...
I've been adjusting tape speed and azimuth on Aiwa HS-J9/09/600/36/360/10 by ear. I understand this is inferior to instrumented adjustment. My...
Maybe they could sell a radio built into a cassette housing.
https://www.forbes.com/sites/marksparrow/2026/01/07/we-are-rewind-brings-next-generation-cassette-boombox-to-north-america/
I think it's fixed, and the issue was the motor. Its original motor was bad. The motor I replaced it with had an intermittent problem of randomly...
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