[sdiy] DX7 battery replacement help

[Loscha]

I have an original Dx7 board right here with me, and it's got that all
over varnish-like coating that smells bad.

I've just uploaded a few pictures of said board

http://www.flickr.com/photos/loscha/tags/dx7/

On Sun, Sep 6, 2009 at 2:55 PM, cheater cheater<cheater00 at gmail.com> wrote:
> It's warmth that messes boards up. Don't worry if you don't think you
> don't have to. Specifically if you have a temp regulated iron, that
> should be fine. Or if it's an iron that you can turn off and on
> yourself and you trust your judgment on where the sweet spot lies with
> temperature.
>
> I seem to remember the DX boards had some form of coating that could
> char up fairly quickly. But I might be wrong. Check for yourself -
> look at them under the light - if the etched parts *and* the traces
> are shiny with a unique sheen, then it's probably coated.
>
> In case of doubt, buy a tiny 12V iron.
>
> D.
>
> On Sun, Sep 6, 2009 at 5:42 AM, Jason Proctor<jason at redfish.net> wrote:
>> hi all -- i'm about to dive in and replace the shot battery on my original
>> series DX7. i came across some instros here --
>>
>> http://www.maths.abdn.ac.uk/~bensondj/dx7/battery.txt
>>
>> -- which specify a maximum 40w soldering iron ("or you WILL fry the board").
>>
>> i have a Weller WTCPT, which is 60w. i'm fairly handy with a soldering iron
>> and the actual soldering looks pretty simple.
>>
>> question: are some boards so fragile that different wattages would mess them
>> up? is it ok to proceed with my regular iron as long as i'm super careful?
>>
>> thanks,
>> j
>>
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