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Lenovo Y50-70 Completely dead, no lights at all.

Troubleshooting Laptops & Notebooks - Badcaps Forums - www.badcaps.net
Hello.

I have a laptop for repair that probably dead.

Has no response at all, neither battery charging, neither on pressing power on, no led lights up.

the ac adapter is all fine i still can get 20v in the input section and all fuses in the input is still good(id pin is good)

when i do a short findings, i find that there is short between PQ302 pin 5-8 and the ground. is it alright ? would you please help me what i have to do next to check?

Schematics of M/B uploaded.

Thanks in advance !!!
Date: Jun 17, 2017   


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