Hi everyone,
Introductions follow, TLDR at the bottom
I've been subscribed to the EEVblog channel for a while now and been trying to pick up some electronics knowledge here and there in my spare time. I'm a software developer myself and I've always been excited by the idea of making and/or repairing my own hardware. I'm especially drawn to old/vintage computers and tech and I'm trying to learn as much as I can about low level programming and how hardware has evolved over the years to the levels of modern day computing. And so I thought a nice place to start my adventure might be by buying an old Commodore 64 and possibly fixing/modernizing its parts (if necessary) and following up with some BASIC programming. Fun times ahead
. I'm quite sure I'll be spending some time on the Vintage Computing subforum soon too.
TLDR:
Being a an electronics noob, I'm not sure if my newly acquired Commodore 64 is in a good, bad or "eh, will probably be fine" condition. I've inspected the board and to my eyes, the electrolytic caps seem fine (though I'm still inclined to replace 35 year old caps), however I am not sure what to make of the many ceramic capacitors on the board. A lot of them seem to be covered in a white substance and I'm not sure if this means that the caps have gone bad or if it is something else altogether that perhaps I shouldn't worry about.
I've included many pictures of the board in the imgur link below. I would appreciate any help/guidance as to what the white substance on the ceramic caps is, whether I should be worried about it and whether I should replace those caps at all or regardless of the substance anyway. Any advice as to other aspects of the boards condition would also be highly appreciated
Pictures of the board:
https://imgur.com/a/8dOCTwVThanks!
P.S. I can not yet say whether the computer even powers on as I did not want to take any chances with the old power supply and I'm waiting for a new one to arrive in about 2 - 3 days.