Electronics > Beginners
How to desolder and resolder plastic connectors without damaging it
hitech95:
Hi,
I've a working mainboard with a couple of broken connectors and some broken mainboards with working and intact connectors.
Unfortunatly I don't have a lot of experience on soldering and unsoldering SMD plastic connectors.
I've tried to directly find a new connector but I didn't find any. (I don't have the P/N even if I have the schematics) It might be a custom one made just for Acer.
Just for reference its like this, with smd pins; some of them are also under the plastic package:
I'm tring to glue the connector with superglue but I think that this will not solve the main mechanical issue.
BTW, its a NGFF Key b connector for a SATA M.2 SSD. The original one is from Lotes. It have some sort of printed serial number on it.
Any suggestion would be perfect!
mvs:
You need hot air station to do this work.
hitech95:
Yea, but the plastic connectors melts before the solder does.
mariush:
You'd use infrared hot plate or some kind of heat source on the other side of the board to bring the whole circuit board to a reasonable temperature ... then when you come with the hot air gun from the top it would take little time to heat up the solder.
You'd put some kapton tape or aluminum foil over the plastic of the connector and paste or liquid flux all around the connector, then come with the hot air gun to desolder it.
Do the same for installing the new connector...
Le_Bassiste:
never used it myself, but would give it a try, if sufficiently desperate:
https://www.chipquik.com/store/product_info.php?products_id=220001
melting point is 90°C, so probably low enough to protect the plastics.
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