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Short Circuit on motherboard Acer 5738ZG

Hi, I have issue with repair 5738. Perhaps this Notebook was damaged with wrong polarity on power supply input. I think some electrical element on motherboard was destroyed. Bud I dont known how transistors switching or which element can be damaged. I remove element for DC 24V 1,1A and measure + oposit - still has 0 OHM. So I dont known where is short circuit. If you have some good idea or scheme power part on motherboard please inform me. Thanks.

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