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Subject: overall schematic vs. individual board schematics - Re: [yamahacs80] Preset T boards map

From: David Rogoff <david@...>
Date: 2011-03-15

> Max Fazio <mailto:faxiomas@...>
> March 14, 2011 4:07 PM
>
>
> Hi everybody: I'm in need of a tech who can address me to some which I
> believe to be mistakes inside the service manual; mostly I'm trying to
> catch the parameters for some of the presets by reading the resistance
> values on the diagrams but I get lost when comparing some of the
> parameters set in the "T" boards, from 51 to 54; the BRASSes for
> example look completely different in the diagrams and feel far from
> their audio counterparts, in facts their envelope times seem much
> slower than on an actual machine; some other doubts I have when
> comparing BASS, ORGANs etc. Now my friend Patrice compiled a table of
> voltages representing the parameters ; does anybody have a correct
> diagram with the exact values avaliable so I can compare them?
>
> ------------------------------------------------------------------------

Max,

I don't know about this particular case, but I've found that every time
I've seen an error in the CS80 schematic pages, the giant, fold-out
schematic was correct! Try checking that.

David


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