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Subject: Re: [yamahacs80] Need CS80 advice for removing key spring contacts(switches...)

From: "Laurie Curry" <laurie@...>
Date: 2009-01-27

-----Original message-----
From: "Laurie Curry" laurie@...
Date: Mon, 26 Jan 2009 18:34:05 -0700
To: yamahacs80@yahoogroups.com
Subject: Re: [yamahacs80] Need CS80 advice for removing key spring
contacts(switches...)


the spring contact did break....and is now soldered back together as a
temporary fix...

I failed at the removal attempt....
-----Original message-----
From: David Rogoff david@...
Date: Mon, 26 Jan 2009 12:13:47 -0700
To: yamahacs80@yahoogroups.com
Subject: Re: [yamahacs80] Need CS80 advice for removing key spring
contacts(switches...)

I'm not 100% sure what you're referring to. Here's a pic from when I
had
mine all apart:http://therogoffs.com/cs80/overhaul/images/image16.jpg

Can you circle the part you're talking about. Better yet, take a
picture
of your keyboard, showing the problem. A picture is worth a thousand
words!

David

slammah2006 wrote:
> I have her open and I Need CS80 advice for removing key switches...
>
> Looking from the players point....
> I need to remove the right "Throw"contact from my middle G...(this
> would bethe lower right spring contact that needs removing........)
>
> It has a crack in the underside which has deteriorated its
> flexibility, causing the key to sustain after a few good key
> strikes....(pushing the contact manually back down corrects it
> momentarily, but the rigidness has gone in the spring to a point it
> could break off.....
>
>
> So far,I have keybed moved so it is resting across thefront right
> corner...
> The white plastic cover is off and the bank of switches can be
> rotated vertically with the screws removed .....
>
> Question
> 1..... how hard (if possible) is the desoldering of the spring
> contacts? I have removed the solder from the back, but the spring
> seems to be solid in the PCB....Are these removable?...
>
> 2.....If removable, which direction should I pull,and are there any
>catches I need to manipulate so it slides easier?
>
> 3....Are there any replacements contacts amongst this group?(if not,

> I may just swap with a less used key.....)
>
> Thanks .....she's open and waiting.....lol
>





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