[sdiy] speaking of tantalums...
21pointy at tpg.com.au
Tue Nov 27 08:06:25 CET 2018
Many thanks for everyone's input and experience.
I use a Hakko 808… kinda old school and fairly chunky. The PCB tants were easy, but I stopped there. The traces on this machine are much more fragile than the stuff I’m used to working on (mainly Roland stuff).
The machine belongs to a nomadic friend - I’ve been babysitting it for nearly 15 years! I was happy to do the work as a favour to my friend and whoever the future owner is, but maybe it’s a little risky without better equipment.
Anyway, J wires and bus bar are cleaned, and she’s passed the magic smoke test. Sounds fabulous even without a calibration (last calibrated maybe 5 years ago when I replaced the bushings).
A few videos here (bottom of page) of the insides and in action for anyone interested..
> On 27 Nov 2018, at 11:29 AM, David G Dixon <dixon at mail.ubc.ca> wrote:
> I would also chime in here to say that the Hakko 300 is the bee's knees for
> quick, easy, clean desoldering. With less than one second contact time, it
> cleanly sucks all the solder away, and the part usually either falls out or
> can be coaxed out with a minimum of force. Anybody using this tool
> correctly will do minimal or no damage to any traces.
>> -----Original Message-----
>> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On
>> Behalf Of Tony K
>> Sent: Monday, November 26, 2018 6:24 AM
>> To: synth-diy at synth-diy.org
>> Subject: Re: [sdiy] speaking of tantalums...
>>> On Nov 25, 2018, at 10:33 PM, Adam Inglis
>> <21pointy at tpg.com.au> wrote:
>>> I'm careful and my Hakko desoldering gun
>> It took me a while to find the ideal temperature - and
>> technique- to desolder with my Den-On SC7000Z. I practiced on
>> old boards. It turns out the temperature was too low and the
>> dwell time time too high. If anybody is thinking of buying
>> one of these I would caution against the manuals suggestion
>> of lower temperatures. One call to the site owner set me straight.
>> I had it backwards, get in and out quickly , as it sounds
>> like you are doing. (375 F IIRC) . But this required time for
>> the tool to cool down at that higher temperature or the tool
>> would shut down. Annoying if you are doing many ics at once.
>> The Pace videos helped a lot too.
>> I liked the Pace solder/desolder station I used at work, it
>> was a pencil.
>> That's my next gift to myself. Forget model no. offhand. But
>> that's another story/thread.
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