I just received an NOS, in-the-box AIWA PL-303 in mint condition and restored it over the last few evenings. The restoration went fine and the...
I am looking for a spare charge port for an AIWA PL30/303 as shown in the picture (the component as such as it is soldered onto the board,...
Excellent detective work, @nutronic! I replaced all SMDs right after I got my F707, but this was at the beginning of my career as a tinkerer, so I...
Many thanks for this meticulous and precise report, @nutronic! This will come in handy when I get to working on my F707 again – which will,...
Thanks for the hint! I hooked up my converter to the scope tonight and took it for a spin. Unfortunately, I do not seem to be any wiser–yet. It...
Great news! After reading your post, I was going to suggest you do exactly that. 17 windings seems manageable. Unfortunately, this does not seem...
@nutronic, how did you figure out that the CTL line needs to be pulled low to turn on the DCDC-converter? Is Q801 doing the pulling? I have been...
I thought something like this, thanks!
I agree with you. But: Julian discusses these figures on his blog, for instance for the PX50, and he agrees that they indicate a noticeably worse...
Thanks Rune. I am no audio engineer and don't have much of a clue of the technicalities, but it did more or less successfully produce a frequency...
If you ever find a solution to this, do let me know. So far, I have encountered this issue only with several F707, and it still has me stumped. I...
Has anyone ever done some serious testing of the sound quality of some high-end AIWA Walkmans (PL, PX range...) e.g. frequency range, and compared...
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