You will see an red and an black cable soldered to the PCB.
Now get your solder iron ready to desolder the 2 cables. Heat and melt the solder, with your other hand hold the tweezer. When the solder is melting, remove the cable with your tweezer to get the cable out.
It's recommended you use desoldering wick, so you can put some fresh new solder on the pads. Recommended but not required.
Now it should look like the last photo.
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