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12V input short circult #81

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IamTaoChen opened this issue Jun 4, 2024 · 5 comments
Open

12V input short circult #81

IamTaoChen opened this issue Jun 4, 2024 · 5 comments

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@IamTaoChen
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It seems that my Kasli-SOC was short circuit and the fan doesn't work. The chip LTM4644IY is a little hot.

image
@gkasprow
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gkasprow commented Jun 4, 2024

what do you mean by "was short circuit"?
Did you short any pins?

@IamTaoChen
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I'm not sure.
I wanted to install the firmware into the SD card. I didn't install it back on the rack when I powered it on, I held the card, and maybe, the back touched something.

@gkasprow
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gkasprow commented Jun 5, 2024

Well, the SD slot was not designed for life insertion.
How can I help you? You should send the PCB to the manufacturer for repair then.

@IamTaoChen
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I just want to know how to do a basic test to know which part is burned.

@gkasprow
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gkasprow commented Jun 5, 2024

critical supplies are missing so it's either SMPS or FPGA which is broken

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@gkasprow @IamTaoChen