Yamaha CS80 group photo

Yahoo Groups archive

Yamaha CS80

Index last updated: 2026-04-28 23:44 UTC

Thread

CS50 schematics anywhere??

CS50 schematics anywhere??

2017-06-26 by jw_dewdney@...

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 ...


Re: [yamahacs80] CS50 schematics anywhere??

2017-06-26 by David Rogoff

Welcome to the group!  All the service manuals / schematics are on my website here:  http://therogoffs.com/cs80/ <http://therogoffs.com/cs80/>
Show quoted textHide quoted text
> On Jun 26, 2017, at 11:11 AM, jw_dewdney@... [yamahacs80] <yamahacs80@yahoogroups.com> 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 ...
> 
> 
> 
> 
>

Re: CS50 schematics anywhere??

2017-06-26 by jw_dewdney@...

those are some of the nicest PDFs i've seen in a long time from a 'vintage' source (presumably) too...

Re: CS50 schematics anywhere??

2017-06-27 by mr@...

Yamaha's old service documents are among the beautifullest technical prints ever. The schematics, the graphics, the typesetting, the yellowed paper, the fold-outs, the cover, the odd metal binding... just wonderful.

I have the original CS-50 service manual, and it's easily the classiest book in my library. :-)

/mr


PS: The CS-40M document seems missing on http://therogoffs.com/cs80/
Thanks for keeping up the documentation work though!

Re: CS50 schematics anywhere??

2017-06-27 by jw_dewdney@...

well that too... though I was just referring to the quality of the scans... the CS50 documents I already had were pretty awful as far as reproduction goes

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.