clean CCONT surface??? - GSM-Forum

micmac · 11-25-2002, 02:00

hi

how to clean suface for ccont plz
i used many liquid for cleaned and i hotest this surface for remove cole but no sucess.

any idea plz.

fm-gsm · 11-25-2002, 03:30

Hi
I think no solution, I tryed many way without succes
it 's a resistant glue.
may be somone have any ID??
regards

Scaramouche · 11-25-2002, 06:21

I have found the best way is to use liquid flux. i have SMD flux in a spray bottle, it works great. Apply the liquid flux onto the CCONT, and then use desoldering braid, it will sizzle, and spit, but it will remove all solder. Then use a flux remover to clean all residue off, and its beutifully clean!!!!

micmac · 11-25-2002, 20:09

hi

friend i'm not understand very well but u can send me the photo for material for clean this surface under ccont?

hs_ · 11-25-2002, 22:53

I have same problem...
If you have any solution pls send it me too...

Best regarts...

fm-gsm · 11-25-2002, 23:07

hi

me too ineed solution

SVH · 11-26-2002, 00:41

i remove flux and after use small blade
its very accuracy work
br

debeliamark · 11-26-2002, 05:37

You must use hot (non so high temperatute) air and blade or arrow, not more. And keep patience

.

This way yesterday i was resold MAD2 on one N6210 with paralel COBBA test failed for not more that a hour... and phone is OK now.

Debelia Mark, BG

farsands · 12-02-2002, 13:59

Hello! I use 10% ammonia solution and ultra sonic cleaning unit. I put pcb in cleaning unit and put enough liquid to cover it and plug it. I let it run 10 minutes. This process makes all impurities removed from any surface. Rinse with purified (not mineral) water and flow-dry board. Please use medium heat but very low air. BGA chip will bubble underneath and push out flux/impurities. Let cool. clean surface with contact cleaner (use brush if needed but very gently and only when cool) and reflow to dry. Board now is shiny clean.

11-25-2002, 02:00	#1 (permalink)
micmac No Life Poster Join Date: Mar 2002 Location: tunis,tunisia Age: 48 Posts: 1,450 Member: 10396 Status: Offline Thanks Meter: 32	clean CCONT surface??? hi how to clean suface for ccont plz i used many liquid for cleaned and i hotest this surface for remove cole but no sucess. any idea plz.

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11-25-2002, 03:30	#2 (permalink)
fm-gsm Freak Poster Join Date: Jul 2001 Location: :-) Posts: 396 Member: 5376 Status: Offline Thanks Meter: 1	Hi I think no solution, I tryed many way without succes it 's a resistant glue. may be somone have any ID?? regards

11-25-2002, 06:21	#3 (permalink)
Scaramouche Freak Poster Join Date: May 2002 Location: Perth, Western Australia Age: 45 Posts: 313 Member: 11937 Status: Offline Thanks Meter: 1	I have found the best way is to use liquid flux. i have SMD flux in a spray bottle, it works great. Apply the liquid flux onto the CCONT, and then use desoldering braid, it will sizzle, and spit, but it will remove all solder. Then use a flux remover to clean all residue off, and its beutifully clean!!!!

11-25-2002, 20:09	#4 (permalink)
micmac No Life Poster Join Date: Mar 2002 Location: tunis,tunisia Age: 48 Posts: 1,450 Member: 10396 Status: Offline Thanks Meter: 32	hi friend i'm not understand very well but u can send me the photo for material for clean this surface under ccont?

11-25-2002, 22:53	#5 (permalink)
hs_ Insane Poster Join Date: Oct 2002 Posts: 72 Member: 16859 Status: Offline Thanks Meter: 0	I have same problem... If you have any solution pls send it me too... Best regarts...

11-25-2002, 23:07	#6 (permalink)
fm-gsm Freak Poster Join Date: Jul 2001 Location: :-) Posts: 396 Member: 5376 Status: Offline Thanks Meter: 1	hi me too ineed solution

11-26-2002, 00:41	#7 (permalink)
SVH No Life Poster Join Date: Mar 2002 Location: Europe, Lemberstadt Age: 53 Posts: 2,311 Member: 9889 Status: Offline Thanks Meter: 50	i remove flux and after use small blade its very accuracy work br

11-26-2002, 05:37	#8 (permalink)
debeliamark No Life Poster Join Date: May 2001 Location: Bulgaria Age: 56 Posts: 4,796 Member: 4627 Status: Offline Sonork: 57528:debeliamark Thanks Meter: 1,034	You must use hot (non so high temperatute) air and blade or arrow, not more. And keep patience . This way yesterday i was resold MAD2 on one N6210 with paralel COBBA test failed for not more that a hour... and phone is OK now. Debelia Mark, BG

12-02-2002, 13:59	#9 (permalink)
farsands Junior Member Join Date: May 2002 Location: manila Posts: 33 Member: 11508 Status: Offline Thanks Meter: 0	Hello! I use 10% ammonia solution and ultra sonic cleaning unit. I put pcb in cleaning unit and put enough liquid to cover it and plug it. I let it run 10 minutes. This process makes all impurities removed from any surface. Rinse with purified (not mineral) water and flow-dry board. Please use medium heat but very low air. BGA chip will bubble underneath and push out flux/impurities. Let cool. clean surface with contact cleaner (use brush if needed but very gently and only when cool) and reflow to dry. Board now is shiny clean.