I get myself intro repairing Xbox One Controllers. I going to write some of my experience about repairing this thinks. Most common problem is the analog stick of course, moving part are the weakest point of any device. You can buy a replacement part for a few buck, but actually you need only the variable resistor part. You can clearly see what is going wrong here, the conductor layer are broked on the left green resistor. If you want cheap fix this stick you should only replace the faulty resistor.
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| Disassembled analog stick |
Another common failure is the board-to-board connector.You can find 2 different pcb inside the controller which are connected by this way.The problem come up when the solder joints cracks.This is because the upper pcb get different kind of forces under in use. The solder joints give up and crack and can't conduct any more.
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| Broken connector |
I attached more example here.
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| Angry player XD |
And here is an interesting thing for the end:
I tested out this controller and it shorty come up that the analog stick not work at all.This was not a potentiometer issue rather that a broken trace on the main board.This was be an angry player or something, but jesusss... How much force does it take to bend and broke the mainboard !!??
On this picture you can see I run a jumper wire to short the broken traces.
(Technical description: The 5K pot of analog stick get 1.8v and acts like a voltage divider [because it is ].Here the pots are gets nothing. The voltage regulator which is creating the 1.8v is working fine. So the voltage can't supply the resistor because the broken trances)
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| Jumper wires solved the problem |
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