Technical Support Dell LA-F117 PU501 - 5V IC is shorted to GND

irepairs

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Hello, I have attached an image where it shows the S as Shorted to GND and NS (Not Shorted). I disconnected the Inductor at the circle to find where it's happening. I also removed the PU501 and I still have the Short as shown in image. I followed the signal power block diagram but I can't know where this could be the issue. The DC In is generating right voltage and I have 3.3ALWP.
 

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