CPC 6128 broken traces and weird factory mod.

[Cunnah]

Hi,


I recently acquired a CPC 6128 which does boot to basic but the disk drive isn't working.


The disk drive maybe as simple as the a broken drive belt but I have noticed that there is a fair bit of corrosion on the board. Further to this I also appear to have this version of the 6128 board.


File:MC0009B Bottom.jpg - CPCWiki


So in an effort to A) fix the machine and B) Understand it better.


Is there a resource for what parts of the board need to be working in order to boot into basic so I can eliminate any areas that should be working fine (the broken areas appear to be ground traces so maybe I lucked out and they still have a route to ground)?


Also what is the purpose of the yellow connecting wire, After a bit of digging it appears to be due to an error on the board after a component was moved but I am not entirely sure what it corrects?


Thanks,


Cunnah

[eto]

Check out this thread:

https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/cpc6128-white-screen-on-startup/


the purpose is described there.

[Cunnah]

Great thanks, you wouldn't also know about what parts the computer needs at bare minimum to boot into basic?


Also just got the drive belt so looks like I now have a working disk drive.

[Bryce]

The CPC needs almost every component to boot as it's an enclosed system. A picture of your PCB would help a lot in advising you on what needs to be done.

Bryce.

[Cunnah]

Thanks,
I will get around to it. I figured that maybe the case. Everything appears to be working on this machine its just a little tatty and in need of a good clean. I think once I have the board cleaned up I will post a pic so you guys can have a look.