CPU fan error wave analysis(P5K SE)-Mainboard repair

1.Check CPUFAN Pin3 (O_SEN_CPUFAN_R) . It’s OK. 2.Check O_SEN_CPUFAN_R2 . abnormal. 3.Check O_SEN_CPUFAN_R3 (to IO W83627DHG-A Pin112) . abnormal. 4.Replace …

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