I understand that heat's bad.? I'll have to try different tips as I usually use a fine tip.? I usually dial back to about 600 ¡ãF when soldering SMD.? I have a couple of recent successes hand-soldering SI5351s.? The thing about this was that it had me doubting everything except the real problem.? I was going nuts looking for cold joints, broken end caps, copper foil glitches, and all the other usual stuff like whiskers from RG173 but didn't even think to question that a 2.2 Ohm resistor that looked fine and tested fine could fail before a transistor did.? But hey - I'm doing this to learn new things and I can confirm that that's happening!
I've been desoldering 1205 and 0805 parts using the 'solder blob' method.? I wonder if there's any benefit to the 'pronged' tips that can reach around to both ends.? (That being said, I'd much rather not have to remove parts.)
?One thing is not ripping everything up that?can be left alone.
That reminds me of this:
Hammer: ?$5
Knowing where to hit the machine with hammer: $4995
I can confirm that I'm not there yet.? hi hi
Thanks again for your help.? The radio seems to be capable of more power on 40 and 20 after the re-work than right after I did the initial mod.? I guess I'll keep it.? hi hi
Andy
On Sun, Nov 25, 2018 at 02:54 PM, ajparent1/KB1GMX wrote:
Andyh,
The most common problem is a very hot iron and a pointy sharp tip. The very small tip
often means running higher heat so it can heat larger joints but one hot they maybe
too hot.? Also the excess?heat often causes the materialization at the end of the devices
to disintegrate if not outright cracking the part.
If people saw what I use they would likely faint.? My PES51 I usually have a .90"
tip in it, sometime the .125 wide and the second iron a older Wtcp-60 a larger .250 tip,
and its a 60W temp controlled iron!? Its handy as it makes heating both ends of a
1206 easy.?
Doesn't hurt I have a massive number of years experience with PACE, HAKKO,
and Weller servicing and building.? One thing is not ripping everything up that
can be left alone.
Allison
