Electronics Forum | Wed Aug 08 09:10:55 EDT 2012 | davef
The boards are being soldered in the wrong direction. Rotate them 90* and your problem will go away. To demonstrate this further, rotate the board 180* and observe that the problem moves to the opposite side of the connector. I assume that in the
Electronics Forum | Wed Aug 08 08:11:58 EDT 2012 | nekitamolik
Dear everyone, recently we bought zevatech asm800 and we have not received EPU software for it. We had already zevatech asm810 with epu software, but when we tried to boot it, it said please enter destination where you want to install ASM810, but we
Electronics Forum | Wed Aug 08 10:05:36 EDT 2012 | swag
We have an air compressor with in-line dryer for all machines. The only humidity indicators we have are granule cell humidity indicators on the dryer and periodic visual inspection of air bowls on machines. No problems for years. Management is pus
Electronics Forum | Wed Aug 08 10:25:17 EDT 2012 | markhoch
Hi SWAG, Quick question... What type of equipment are you using? We're having constant issues with our Air System. Dryer has had to be rebuilt two times already this year, two air compressors, and both have needed major repairs this year as well. Th
Electronics Forum | Wed Aug 08 12:14:26 EDT 2012 | jorge_quijano
Hi, We have a client requiring us to use a Vapor Phase Reflow Oven instead of our convection oven, the new PCB design will be ~9.3mm thick with some SMD & Pressfit connectors, does the PCB thick could be the cause of they requiring us the Vapor Phase
Electronics Forum | Fri Aug 10 18:06:52 EDT 2012 | mfergus
Anyone have experience printing solder paste for a Toshiba SSM3K15CT(TPL3) FET with CST3 package? Using 1 to 1 rectangular apertures with a 4 mil stencil and Alpha OM 338 #4 powder size lead free solder paste. Print head speed is 15 mm/sec and solven
Electronics Forum | Mon Aug 13 09:49:35 EDT 2012 | rjlatz
I just got back from a visit to our PCBA manufacturer. We have good flowthrough on the PTH, but solder skips and bridges on the SMT SO IC's. We have correct orientation and robber pads, but the results are still the same. I noticed the wave shape is
Electronics Forum | Tue Aug 14 08:06:38 EDT 2012 | milan89
Hello, I am having a problem with Universal GSM1 with the Adhesive head. It's a model with piston pump. When i try to dispens a sping that needs to push the adhesive in the syringe doesn't have power to push it. Everything is well cleaned. Maybe it'
Electronics Forum | Wed Aug 15 19:55:46 EDT 2012 | hegemon
If you are doing X-Ray post place and pre-reflow you should be good. Look elsewhere. Check profile - full lead free or hybrid? Be sure you are acheiving the required reflow temps and TAL required for the solder paste too. Check for belt movement
Electronics Forum | Thu Aug 16 14:29:00 EDT 2012 | bobpan
Sounds to me like a dirty quad-align. If you have cleaned the lens and have the same results then you may have dirt on the inside of the quad-align. The only fix is to replace it or blow it out with an air gun. Unfortunately it is not easy to tell if
