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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Practice PCB soldering posted by rneedle on January 23, 2007 at 04:52:57:
1. Use a larger draftsman eraser and erase the entire board before soldering. This cleans off oxide that has built up during storage. Tomato juice is also a very good clearner to bare copper.
2. Plated (solder tin plate) boards solder much easier than non plated ones, but still erase the entire plated board before soldering. Make sure you have bridged all the components (checked the values on an ohmmeter or bridge) and they are correct value before mounting them. A capacitor marked 10 pf may in fact be 1000pf. You don't want to have to re-solder and risk lifting a trace.
3. Applying too much heat or re-soldering several times in the same spot will lift the printed copper trace from the fiberglass board by weakening the binder. Heat has to be just right. No more than about 45 watts for 3 sec. You might count zero, one, two as you touch the board, touch on zero and re-tract on 3.
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- Look for several things...... - grhughes 07:08:51 01/23/07 (0)
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