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Xbox Power Trace Repair

255 bytes added, 22:34, 18 February 2014
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The way the Xbox power and eject buttons work is simple to understand using the schematic to the side. When the button is not being pressed, the pin on the PIC chip (which receives the power and eject signals) is '''HIGH''' (V = Vcc). When the button is pressed, the PIC pin is connected to ground causing the signal on the pin to become '''LOW''', and the Xbox powers on. The trace which can become corroded does not run directly from the switch to the PIC chip, but rather from the '''signal resistor''' to the PIC chip. By looking at the schematic, you can see that if that trace is broken, neither Vcc nor ground can connect to the pin, and so its state is left 'floating'. This is what causes the Xbox to power on and off randomly.
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