On Jun 26, 2017, at 11:11 AM, jw_dewdney@... [yamahacs80] <yamahacs80@...> wrote:

Hi all... i'm new to the group.

I have a CS50 service manual i downloaded but can't seem to find any drawings in the package - it's only a long description of the concepts of the design. I was looking for a set of schematic and board drawings. Anyone have a lead on these?

Specifically I'm trying to troubleshoot a blowing upper fuse - and it's kind of hard to figure out without knowing which of the pins in the molex connectors are what ... so i can see if there's a short ...