Hi all, I' m a newbie in troubleshooting but I'd like to solve a quarter fan spin issue on a 820-5509-A board. Where should I start to solve this problem? Any suggestion is useful! Thank you!
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Remove all power. Meter in resistance mode. Measure the resistance to ground of each and every inductor (usually are grey in color). Each such coil is linked to a power rail. You are checking for a low resistance to ground on each power rail which usually means there is a shorted capacitor on that rail. Post each measurement that is found to be a low resistance reading. Reference the measurement with the 'L***' label for the inductor. -
Great, I' ll report as soon as I can. Thank you very much!!Comment
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Here are the measurements. I still can’t red exactly the schematics, and I found any .brd file to upload on openboardview. I tried to be as accurate as I could!
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