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Oh the power of suggestion! After following this thread, last night I soldered in backwards a 16 pin IC. I swear I triple checked it! Removal went ok except pin 4 broke off flush with the board and I have been unable to get it out. And of course I’ve peeled the foil off the bottom of the board in my removal effort. Now I’ll have to try some ugly jumper/work-around to save this kit. Just gotta laugh...
On Dec 29, 2018, at 5:30 AM, Duane Brayton <dwbrayton@...
You're more than welcome.
On Dec 28, 2018, at 9:32 PM, N1KWW <bgrass2@...
Success in removing part, tweezers and iron removed wires. Thanks.
On Fri, Dec 28, 2018 at 8:05 PM Duane Brayton <
If you have a hot air station & hot tweezers, it's a breeze. If not, back to old school. Most important thing is to not damage the board and I've replaced hundreds of IC's under varying conditions as a Tech/Test Engineer.
72s & Happy New Year.
On Dec 28, 2018, at 5:04 PM, "Gary Kohtala via Groups.Io" <
I've also done it. Somehow I wasn't paying attention and got an IC installed backwards in a wattmeter kit. Removing the errant device is on top of my to do list, along with getting my Hilltoppers built. I may install a socket this time around. Not sure if that would generate further problems down the road. I am going to bring in the new year with a deluxe hot air soldering station, the X-tronic #6040. This should aid my efforts to complete my wattmeter and Hilltopper construction. Wish me luck..
Happy new year!
On Dec 28, 2018, at 10:21, Duane Brayton <
We have all done it if we have done any building at all, so don't feel bad.
On Dec 28, 2018, at 1:13 PM, N1KWW <
Thanks, and I was being so careful!!!
On Fri, Dec 28, 2018 at 4:02 PM Duane Brayton <
You have lost the mismounted semiconductor. Cut the leads with a flush sidecutter or xacto blade as close to the semiconductor as possible and tip it up or remove it. That should allow you to remove the remaining leads from the thruholes with soldering iron & tweezers or push them out backwards.
Do not overheat and damage the PCB. Good luck.
On Dec 27, 2018, at 2:53 PM, N1KWW <
Previous wire antenna farm had loop for 160 roughly 560 feet. Competed with those running maximum power.
Yes, I was happy. Now everything is scaled down to a 43 foot dipole wrapped around three sides of building. When weather warms up will
put up an off center fed with 4-1 balun. (My spell check selected balloon, baling and blain)
Building a 20mm QRP rig and placed a semiconductor backwards. Have tried the usual methods, solder sucker and wick to no avail. Any suggestions greatly appreciated.
On Thu, Dec 27, 2018 at 4:45 PM d balfour <
More wire has been good for me as well. My radios vary from 5w to about 70w max output. I insisted on having tuned antennas but gradually have deviated and gone to the more is better. Our (xyl is a ham too) latest creation is an 1150 foot horizontal loop fed into a homemade 4:1 current balun into coax back into a manual tuner.
It is at the same time quieter and gives better signal reports than my other antennas mostly dipoles and a 40 m loop.
I see (hear) hams who use and brag on air that everyone on 40 needs an amp or they don't belong. huh.
Sorry for deviating off topic Pretty hard to be portable except on the deck with a big loop.