Electronics Forum: troubleshoot (Page 21 of 39)

Business question for you CMers

Electronics Forum | Thu May 18 15:13:46 EDT 2006 | slthomas

Should have mentioned that since we don't really know for sure what's causing the failure (we just know that it fails, and that there is unrepairable (by us) damage to the board that was provided by the customer), and can't troubleshoot further, we c

MPM AP25 Print Repeatability Problem

Electronics Forum | Mon Oct 02 17:31:40 EDT 2006 | daxman

ARGGH! I've verified proper airflow, made sure everything is tight and secure, cleaned and lubricated the bearings and nothing seems to help. first few boards are nice...then the next few are really bad..then they kinda get good again. I have no ide

MyData Missing Placements

Electronics Forum | Wed Jul 11 14:27:56 EDT 2007 | fredericksr

1) Swapped it out a few weeks ago to attempt to combat the problem ... Great minds eh? 2) I'll try changing the position setting to see if my yields improve. 3) Ahh yes, in fact, I have verified that our vacuum levels are low (range ~130). The

OT: Wavesolder Process Engineer Needed

Electronics Forum | Tue Jul 01 21:52:48 EDT 2008 | davef

Have you considered developing your own wave solder super-trooper? * Training course at your equipmemt supplier or daylong on-site training by equipment supplier field service * Training at ACI / EMPF or someplace like that * On-line training at a pl

Juki 740 troubleshooting - Component Standing

Electronics Forum | Thu Aug 07 17:25:11 EDT 2008 | jlawson

With Laser centering nozzle condition in terms of slider shafts have to return to same position every time. Please check condition of nozzle and make sure slider extends to full position. If slider sticks it can generate errors as the component appea

Juki 740 troubleshooting - Component Standing

Electronics Forum | Fri Aug 08 02:24:04 EDT 2008 | jti

Hi, You were right on the money, the day after I posted, I recalibrated the LASER height .020 off on LA head, .01 off on LAIC, running perfect now. Secondary issue is a flicker on the monitor, the grid stays up after teaching XY coordinates, someti

Juki 740 troubleshooting - Component Standing

Electronics Forum | Mon Aug 18 16:54:46 EDT 2008 | jlawson

Great to see running. The Vision Monitor Video comes from the Vision Processor Card, including overlay info, grids etc depending on mode you are in, like teaching etc Why is is on still I can not say, could be software version, there was several ve

Contamination under chip resistor array

Electronics Forum | Wed Aug 20 17:05:42 EDT 2008 | naynayno

We have experienced contamination under flat chip arrays. The lab report is still open but it appears to be dendrite growth. We have been trouble-shooting our process and cleaning equipment. My question is are there any specific design or best p

PCB troubleshooting cause

Electronics Forum | Thu Aug 21 05:08:09 EDT 2008 | ihamon

Hi, We had a electric failure on a printed wired board after a few hours of functionning. We determined that the failure was caused by a open circuit in the PCB internal layer near to a via. We performed a microsection but unfortunately, it seemes t

Siemens S-27 Error Code Descriptions and Segment Issues

Electronics Forum | Tue Sep 09 16:10:15 EDT 2008 | davef

We don't know a Siemens S-27 Error Code from a shoe box, but our old friend Stefan Witte is wizard on Siemens machines. He has posted some troubleshooting guidance on his site. If that doesn't help; contact him, plead for mercy, and he probably will


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