In a slightly more organised post this time, here is a PDF of the service manual for the Aiwa HS PX-303 in a resolution that I can fit in the upload limit.
Aaaand I'm so tired.. that I posted it in the wrong Tech Talk... again. Sorry. I'll just go... and... um...
Thanks so much for posting this!! I was also looking for it for ages. Such a great service to the community!