Redmi Note 14 Pro 5G Dead Solution | All Input Output Voltages & Power Sequence

Описание: #RedmiNote14Pro5G #DeadSolution #MobileRepairing #MotherboardRepair #VoltageCheck #XiaomiRepair #ChargingICIs your Redmi Note 14 Pro 5G completely dead or not turning on? This professional hardware repair guide covers all motherboard input and output voltages (VBUS, VPH_PWR, PMIC) to fix no-power issues.In this video, we perform a deep-dive diagnosis of the Redmi Note 14 Pro 5G power sequence. If your device is stuck on a black screen or shows 0.0mA on the DC Power Supply, follow these exact test points to find the short circuit or faulty IC using a multimeter.🛠 Technical Troubleshooting Steps:Input Stage: Check VBUS (5.0V) at the charging connector and OVP IC.Battery Rail: Measure VBAT (3.7V - 4.4V) at the battery connector.Main Power: Test VPH_PWR (3.7V) after the DC-to-DC Charging IC.PMIC Outputs (LDO & Buck):VDD_CPU: 0.8V - 1.2V (Booting rail)VDD_SOC: 0.9VLDO 1.8V: Always ON rail for Power Key sensing.Clock & Reset: Verify 19.2MHz Crystal Oscillator and Power Key high-to-low trigger.📌 Key Voltages for Diagnosis:Test PointExpected VoltageFault if MissingVBUS5.0VCharging Port / Flex CableVPH_PWR3.8VCharging IC / Short CircuitVREG_L5_1P81.8VMain PMIC FailureVDD_CORE0.9VCPU Power Supply / CPU Reball

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