Electronics Forum | Wed Sep 04 13:32:22 EDT 2019 | bobpan
Try these things: 1. Do a function 30....your nozzle height should consistently be around 200 +/-20....but whatever number it does find it shouldn't change. (with nozzle on) 2. Most times its the z-bellows....an old z bellows that has a worn out spri
Electronics Forum | Mon Nov 10 23:20:55 EST 2008 | stanyserrao
Light Units are replaced with new if the problem > of lights then it will not vision process the > nozzle center measrement and resolution Jigs > too.. > > Jig is meauring in trace mode and > identifiying all leads which are fine > fitch. > >
| http://etasmt.com/cc?ID=te_news_bulletin,20361&url=_print
. The small reflow soldering machine must not be too long and the temperature is too high to cause copper and platinum blistering; the solder joints must be smooth and bright, and the circuit board must be tinned
Imagineering, Inc. | https://www.pcbnet.com/blog/identifying-and-correcting-solder-bridge-defects/
component placement Too much paste has been applied to pads Preheat temperature is not high enough Solder bridging causes electrical shorts, which can make printed circuit boards malfunction during use
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