nige the hippy
Veteran Member
Well day before yesterday I discovered a technique for desoldering that's miles better than anything I've tried before.
I normally remove chips by snipping the chip off it's legs then pulling them out a leg at a time with a soldering iron + a magnetised screwdriver from boards I want to keep, as it avoids pulling the plating through out, and this I did.
..but then, instead of using a solder sucker to clear the holes, I blew them out with short blasts of compressed air, from the blow gun on my compressor. Can be a bit spattery on the back of the board if you're not careful, but it cleared the holes a treat & with no re-tries & absolutely no damage. The dross on the back of the board mostly brushed clear, and then what was left melted back when I soldered the new chips in.
I'll have to try it with chips I want to keep next, see if it clears effectively round the leg.
oh... goggles essential!
I normally remove chips by snipping the chip off it's legs then pulling them out a leg at a time with a soldering iron + a magnetised screwdriver from boards I want to keep, as it avoids pulling the plating through out, and this I did.
..but then, instead of using a solder sucker to clear the holes, I blew them out with short blasts of compressed air, from the blow gun on my compressor. Can be a bit spattery on the back of the board if you're not careful, but it cleared the holes a treat & with no re-tries & absolutely no damage. The dross on the back of the board mostly brushed clear, and then what was left melted back when I soldered the new chips in.
I'll have to try it with chips I want to keep next, see if it clears effectively round the leg.
oh... goggles essential!