Electronics Forum: troubleshooting (Page 6 of 41)

PCB trouble shooting

Electronics Forum | Thu Aug 12 13:03:06 EDT 2010 | dyoungquist

Schematics help you troubleshoot further but if you do not have the ability to power up the board, you are limited in how far you can go with your troubleshooting. One solution to this problem we have used is this: The customer agrees to pay for 99

Need SMT Tech

Electronics Forum | Fri Jun 20 09:20:04 EDT 2008 | ampearl

I need a technical specialist to turn-on, trouble-shoot, modify, repair, and test the power supply prototypes at the printed circuit assembly and instrument levels. This person would be involved in setting up both manual and automated tests, making m

Wave Solder Troubleshooting chart

Electronics Forum | Thu Jan 31 11:49:21 EST 2002 | MikeF

Does anyone out there have a wave solder troubleshooting chart in electronic form they could e-mail me? I'm about to crank up a wave solder machine here, and the chart I got several jobs ago is missing in action. Also, if anyone remembers using a

Wave Solder Troubleshooting chart

Electronics Forum | Wed Feb 06 10:58:21 EST 2002 | MikeF

My thanks to everyone that sent me a troubleshooting chart. I now have 3 different ones in electronic format that I've put into a Winzip archive. Anyone that would like me to send them a copy, please e-mail me at mflori@custom-mfg-eng.com and I wi

YAMAHA YVL80 Problem

Electronics Forum | Tue May 07 07:42:36 EDT 2002 | smtexpert

I have YAMAHA YVL80 Pick & Place machine which has consistent failures of head I/O card (CPU 8344) due to excessive heating of bridge rectifier on it. We have already replaced this card twice within span of just 3 months. Can I have some tips from an

Wave Soldering - Icicling/Bridges

Electronics Forum | Fri Jan 24 09:26:29 EST 2003 | pjc

I sent you a couple of charts to assist with your troubleshooting. One is the Electrovert Wave Solder Troubleshooting chart and the other is Sandia Labs/Electrovert Optimum Solder Contact Time. Electrovert has a 6 deg. conveyor angle standard on the

Wave soldering - black residue / bridging

Electronics Forum | Fri Dec 27 12:12:29 EST 2019 | slthomas

As has already been mentioned, black residue is usually either from dross or just a dirty pot, pump, baffles, etc.. I also saw that maaaany years ago in a system that used a flawed oil intermix "feature" but hopefully those systems are long gone.

Re: Plating crack

Electronics Forum | Wed Sep 27 19:37:32 EDT 2000 | Dave F

Wolfgang is correct. Copper plating thickness of the via barrel walls is a key question you need to answer to troubleshoot this. Tenting is a red herring.

SMT / AI process information.

Electronics Forum | Fri May 26 20:37:15 EDT 2000 | Chua

Hi, I'm had transfer to process engineer and I would like to find some information on SMT/AI process trouble-shooting information. Where can I find this information. Can it be find in webside or any books. Thanks.

Re: Black residue at end of wave soldering

Electronics Forum | Tue Apr 04 05:56:52 EDT 2000 | Wolfgang Busko

Sorry to hear that Electrovert isn�t much help in your situation but the manufacturer of a system should be the first source of information on the equipment regarding preventive maintenance and troubleshooting. You should try to get in touch with th


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