[Coco] I've killed my CoCo3

[Peter Cetinski]

Paul, the best investment I’ve made in the last few years was getting a quality desoldering gun.  The heat is only applied for a very short time compared to wicking.  Not cheap, but you’ll never go back to solder wick, and you’ll save time and maybe money in the long run.

Pete

> On Oct 19, 2017, at 7:13 AM, Paul Shoemaker <paulfe3 at swbell.net> wrote:
> 
> Hi everyone,
> 
> Yesterday evening I decided to replace the 6809 with a 6309 in my CoCo 3.  Although I am still an amateur with a soldering iron, I've been practicing and recently completed this same process on one of my CoCo 2 systems where I clipped out the 6809, desoldered the remaining pins, and soldered in a socket.  However, when I tried this same approach on my CoCo 3, as soon as I started using solder wick, I noticed some of the solder pads began to come off.  I don't think I was using excessive heat (same iron, same heat settings as before).  Even the traces on the board began to lift up.  It became clear to me after this happened to a few pads that I had destroyed the board.
> 
> If anything I was more gentle with the CoCo 3 board than I was with the CoCo 2 board before.  It was evident that the CoCo3 board was more "weathered" than any of my other systems...  more dust and dirt inside, a lot of oxidation on the RF modulator box, etc.  It may be that this CoCo 3 spent many years in a garage or shed prior to me rescuing it from eBay last year.
> 
> Any advice on how to avoid from happening again this in the future?  
> 
> -Paul
> 
> 
> 
> 
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