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Summary of Lenovo CIH61MI motherboard V1.1 common failing
Machine model: Lenovo CIH61MI motherboard V1.1
Summary of Lenovo CIH61MI motherboard V1.1 common failing Figure 1
Summary of Lenovo CIH61MI motherboard V1.1 common failing Figure 2.
Fault phenomenon: 1. Start auto power off, not timing auto power off.
Maintenance process: VR of VRM chip_EN is not VCC or VCC decreases suddenly, replace QN1 and qn2.
Summary of Lenovo CIH61MI motherboard V1.1 common failing Figure 3.
Fault phenomenon: 2.CLK does not reset when powered on.
Maintenance process: PCH_Syspwrok signal VCC low, VR_The ready signal VCC is low.Replace mn28 and mn29.
Summary of Lenovo CIH61MI motherboard V1.1 common failing Figure 4.
Summary of Lenovo CIH61MI motherboard V1.1 common failing Figure 5.
