Electronics Forum | Wed Aug 09 09:54:36 EDT 2006 | russ
Use ENIG, plated finish will be too thick and make for a brittle joint. ENIG is self limiting so this condition cannot be present. To ensure that the bond is strong for BGA you must ensure that process is under control. The correct reflow profile w
Electronics Forum | Sat Aug 19 20:04:22 EDT 2006 | jorge maldonado
well, the problem we have is with the shaft cam (in the mtu), when the machine moves the trays upward there is a vibration that moves to the components, we need change the shaft cam, but meanwhile we replace it I need to control this problem and I be
Electronics Forum | Mon Aug 28 14:18:21 EDT 2006 | russ
Sounds like your PCBs are now white tin. Change this to another roHS compliant finish and see if prob goes away. You must get control of the materials that you are being asked to build. Your Customer needs your advice on surface finishes, they sho
Electronics Forum | Thu Aug 31 15:56:12 EDT 2006 | GS
Many thanks Saaitk, The PCB to protect could be (fuel cut off control system against tiefs ...)located in between driver cabin and engine. I have done a quick look on HumiSeal Automotive Products, found Acrylic Resin, Model 1B66 should be a suitabl
Electronics Forum | Thu Sep 07 11:01:52 EDT 2006 | davef
BGA cracking is caused by mechanical stress. This may be the result of: * Rough handling of soldered board * Inadequate consideration during package design of CTE effects on BGA * Poor control of or selection of thermal ramp rates during soldering
Electronics Forum | Mon Oct 23 15:16:32 EDT 2006 | Dman97
Thanks for the replys guys. There is infact a serial port in the back. It is COM2. I just had to plug in a standard mouse with a Serial to PS/2 converter and enable the mouse to use COM2 in the Windows control Panel. Works better than the stupid ligh
Electronics Forum | Mon Oct 30 03:18:09 EST 2006 | geb
Hi Mika, Thanks for your reply. We've managed to narrow down the fault to the control board (long rectangle one in front of the camera). It turned out to be a logic IC that had blown MM74HCT244N (U17 I think). A circuit diagram would be useful beca
Electronics Forum | Tue Oct 31 19:42:11 EST 2006 | dg
We have a Panasonic MV2V machine with orange reflectors. When the nozzle centre measurement is run, many of the nozzles have a blue NG for the large camera. We have tried adjusting the spotlight positions, cleaning and/or replacing reflectors, replac
Electronics Forum | Mon Nov 06 11:26:09 EST 2006 | Rob
I''m sure I remember BTU telling me that the VIP series got the same contollers as the ancient TRS14's. Someone may want to verify this - but if correct you can pick up a TRS for beer money & rob the controller. A new 7 zone BTU Pyramax can be ha
Electronics Forum | Fri Nov 24 06:59:54 EST 2006 | LM
I remember many moons ago seeing a refridgerator for storing solder paste which issued them out in a FIFO manner and had the option of a PC and bar code scanner for logging them in and out to the lines. I can't seem to find any trace of it on the net
