Yamaha CS80

Just dont use a metal screwdriver....and cover the metal Key bed with
a thick towel...I usually hang a scrim over and down the back of the
cards to keep temp in....
-----Original message-----
From: omegacode80 omegacode80@...
Date: Sun, 05 Apr 2009 10:22:41 -0600
To: yamahacs80@yahoogroups.com
Subject: Re: [yamahacs80] Re: Raising circuit board rack for tuning

Thanks again David and Tom for the advice!

I was wondering about getting my trim pot adjuster in there with the 
rack down. It might be a little tough in some areas where there are 
loops of wires, but I think I may be able to do it.

Cheers,

Kent



On Apr 5, 2009, at 1:10 PM, David Rogoff wrote:

> omegacode80 wrote:
> > Thanks Tom! Is it really heavy when you're pulling it up? Is there
a
> > spring mechanism that lifts it once you unscrew the bolts? I
haven't
> > studied theanatomy of the side rails too carefully yet. Just
opened
> > up the case and started looking around.
> >
> > I'm sure I'm gonna have to carefully make sure no cables get 
> caught up
> > on anything.
>
> You might need to undo a couple of the heavy wires they use to hold 
> the
> big cable bundles in place.
>
> HOWEVER..................
>
> As I finally realized after tuning CS80s for many years, if you're 
> just
> doing the usual tuning procedure, you don't have to, and shouldn't 
> raise
> the card frame! All the trimmers are accessible with it down. You
just
> need a flashlight and to push the cable bundles up and out of the
way.
> Leaving the cards down should make the temperature change less, so
the
> tuning should hold better when you close up the lid.
>
> David
>
> 



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