https://www.ebay.ca/itm/127917063512 Not mine. It seems to be missing the original headphones and microphone. The seller claims it fully works,...
Next project, turning two Aiwa J9's into one good one. The photos are from the sellers' ads. Obviously the blue one is thoroughly corroded. I...
No, the material I meant is clear plastic, like a soda or pop bottle. Only flatter. Shaped like the picture you posted. None of the players I...
For the solid washer, use clear plastic food packaging, sometimes called clamshell. Or even a clear plastic juice bottle. Try to match the...
If it is black and flexible, it probably was split and engaged with a groove on the shaft to act as a retaining washer. If it was rigid and some...
Though these players have a few 2uF capacitors, they are surface mount and I'm reluctant to do the soldering it would take to use them in this...
Thanks for the valuable guidance. Can you tell me what specification capacitor to use and where to attach it?
I've worked on about 15 J9/09/600, and none of them needed any capacitors. I don't have an oscilloscope. I've tried checking voltages, with no...
Save that kind of thinking until you're at least in your mid '70's.
This Aiwa HS-J9 suffered corrosion damage near the battery compartment and into the tuner. I've gotten the tape drive to work, mainly by...
Never saw that movie. Of the earphones I've bought, only one needed significant cleaning. Installing new foam pads pretty well sanitizes them.
It's unfortunate most accessories for these players go missing over the decades. They got lost or broken or people who inherit them have no idea...
The Personal Hi-fi Blog describes using the Aiwa HS-J9 as a "time stamped voice recorder". It isn't clear if the device was ever developed....
The new link didn't work for me. Excellent work though.
I'm also currently working on a J9 with no sound output. This was bought and heavily used as a donor unit. It was extensively corroded, missing...
I was using a refurbished Aiwa HS-J600.
Of the cassettes only 3 were the old Ampex. Almost all the other cassettes were fine.
A half decent soldering iron is so inexpensive I feel like an idiot for not buying one sooner. Your diagram is the main power amplifier. It has...
Great idea to check the earphone jack. I find I have to remove and disassemble more than half of them. (But then again I buy low quality units...
You could try swapping the volume potentiometers. Not having circuit diagrams makes this more difficult. Without diagrams, even it you find a...
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