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The easiest way to solder multi pin connector?

 

Hello,
I am going to move 2 connectors from A row to B row as shown in the picture. 1 connector has 3 pins, the other has 4 pins.


The B row already has some lead there (no pin or connectors attached).

Could anyone help with my questions:
- what is a good and clean way to desolder pins (7 pins in total) in A row. I know that desoldering braid and flux can help. Is there a better way?
- after this desoldering, how should I solder 2 connectors (1 connector has 3 pins, the other has 4 pins) to row B using the existing lead on the PCB?

Thank you.

Ag insider logo xs@2xquanghuy147
grannyring's avatar
grannyring
6,471 posts
 

If you want to do this right, then get the desoldering gun in the link below. Trying to use a manual solder sucker or braid can be difficult and leads to mishaps.  This desoldering gun makes easy work of it. If you plan to desolder more in the future, then it is a must have purchase. First use your soldering iron to reflow the solder pads you plan to use the gun on. 

 

fiesta75
1,378 posts
 

OMG, if you don't know how to solder, find a friend that does or just buy a pre-made cable even if it has more wires than you need. 

Ag insider logo xs@2x
quanghuy147 OP
79 posts
 

Thank you everyone, I am able to desolder with the help of my father. He was repairing cathode tube TV as a part time job when he was young. 

What we used to desolder was Weller gun and solder sucker as some members here suggested. 

This is a 1 time project so I didn't opt to buy the desoldering machine, which is obviously the best solution. 

Thank you everyone for your input!

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