Electronics Forum | Tue Oct 31 07:50:22 EST 2006 | markb
SWAG - Was your experiment on the board with the large ground plane? The board we are seeing issues with also has a large ground plane (approx 50% of PCB), and 90% of the delamination occurs in that area. The delamination is about the size of a sil
Electronics Forum | Mon Oct 30 21:43:08 EST 2006 | davef
So, after the repair of a BGA, you notice white reside on a nearby connector. Correct? [Sorry we're so dense. Long day.] Tell us about: * Flux class used in repair * Flux class used in original assembly Why are you baking the assembly after repair
Electronics Forum | Mon Oct 30 09:24:21 EST 2006 | ronalds
I have some problems in sufficient preheating the pcb's. They splatter on the mainwave, causing solderballing. Less flux causes problems with the fill of the through- holes. We use a Delta Wave with 3 preheat zones, the first two are calrods the thi
Electronics Forum | Mon Nov 06 18:02:25 EST 2006 | stepheniii
Does the hardware in question actually have non-ROHS material in them or is it strictly a paperwork issue? Would you be able to buy the hardware and have a lab test it for the banned substances? If they are not there, I wonder how many you would ha
Electronics Forum | Wed Nov 08 05:33:44 EST 2006 | amigo
Hello EveryBUDDY ! Sorry if my questions sounds too naive!!!! I am into Mobile phone repairs and have not been hearing much about "LEADFREE" soldering till now. Browsing thro' this forum and various SMTNET newsletters, i find that this is one of the
Electronics Forum | Thu Nov 16 10:51:08 EST 2006 | dman97
Does anyone know if it is possible to upgrade the sigmapro software on these machines to a newer version? We are running version 6.35.19 and it just really sucks. Is it possible to go up to say version 7 without upgrading any hardware on the machine?
Electronics Forum | Mon Nov 20 10:06:05 EST 2006 | jdumont
Yes, we are in the same boat. We get stuff unsealed, not labeled correctly, wrong packaging or all of the above. Im going to sit down with the purchaser here this week and get this figured out. Being packaged correctly still doesnt mean the parts arn
Electronics Forum | Thu Dec 14 21:17:47 EST 2006 | Thomas
Hi,I apologize for my poor english. I am just wondering why this excellent site did not came out with any information about the server exchange, I asume that was the deal, because that was the info recievied back when one tried to logon? Anyhow, why
Electronics Forum | Fri Dec 15 00:20:17 EST 2006 | hemu_me
As we have vitronics oven(SMR610A) made in december 1997,which has 5 heating And 2 cooling zones. we just want to confirm that is there any possibility of damage oven parts with long run for soldering of lead free components in this model? if anyone
Electronics Forum | Wed Dec 27 10:55:47 EST 2006 | SWAG
I don't know much about BTU but we had a very similar problem with a Conceptronics and it turned out to be one of the 120V power supplies. Our machine had two of them (the same as you would find in any PC). Easy to test them although they can be fl
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