#Soldering a #jumper wire becomes necessary for repairing any problem in mobile phone while repairing it when a track is broken. Tracks are the connections through which current flows in the #PCB (Printed Circuit Board) of the phone. These tracks also supply voltage to the various spare parts. They cannot be seen as they are inside the circuit board. The #motherboards of #handsets have 7 to 10 layers depending upon the model. If a track or line is broken, the part to which it supplies voltage will not work.
🛠️At our training center in London and Manchester we teaching students how to check whether the track Is broken and we need To make a jumper, we show the ways to search tracks on a PCB (using multimeter, check through schematic diagrams) and more different techniques.
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