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Old 04-04-2018, 07:50 PM   #7
racer2086
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Join Date: Apr 2018
City & State: Ft. Lauderdale, FL
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Posts: 14
Default Re: Shuttle SD36G5M - Mobo died, recapped, still issues

So, I tested the MOSFETs according to this post on this forum: https://www.badcaps.net/forum/showpo...4&postcount=19

Q53, the one with solder under it, measured the following:

Pin 1-2 = 16.2 ohms
Pin 1-3 = 14.6 ohms
Pin 2-3 = 1.8 ohms

Q54 next to it:

Pin 1-2 = 27.5 ohms
Pin 1-3 = 3.6 ohms
Pin 2-3 = 24.9 ohms

According to the MOSFET testing post, these are shorted. I tested identical MOSFETs on other parts of the board and they measured in the Mega Ohms with one pin combo measuring around 30 ohms. So am I safe to assume that these two things absolutely need to be replaced? And am I safe to assume that they are the root cause of the system instability and heat?

Last edited by racer2086; 04-04-2018 at 07:53 PM..
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