Locate the buck coils surrounding the main PMIC. Check for secondary voltages ( VDD_CPU , VDD_CORE , VREG ) when pressing the power button. Missing voltages indicate a dead PMIC or a cold solder joint under the CPU. Charging Failures (Fake Charging / No Charge)
Ensure the data lines are connected to the mainboard.
We do not provide direct download links to the Vivo Y93 schematic diagram. Instead, we recommend visiting the verified sources mentioned above to obtain the diagram. vivo y93 schematic diagram download verified
Locate the LCD connector pins for BL_ANODE and BL_CATHODE .
Technicians typically use this diagram for the following repairs: Locate the buck coils surrounding the main PMIC
An excellent, cost-effective alternative providing step-by-step interactive paths for Vivo Y-series power and display rails.
: Visual "way" diagrams for specific repairs (like charging or display issues) are often shared on Borneo Schematics and community forums. Mobile Service Manuals Charging Failures (Fake Charging / No Charge) Ensure
| | Likely Hardware Cause(s) | Relevant Tools / Diagrams | | :------------------------- | :----------------------------------------------------- | :----------------------------------------------------------------------------------------------------- | | Phone dead, no power | Faulty battery connector, shorted main power line | Main power section of the schematic, multimeter for continuity | | Boot loops | Damaged power management IC (PMIC) or its capacitors | PMIC section of schematic, oscilloscope for voltage ripple, and test points to force EDL mode | | No / poor Wi-Fi or BT | Damaged Wi-Fi/Bluetooth combo IC or broken antenna | RF section of schematic, signal level measurements, and chip annotation diagrams | | Water damage | Corrosion, short circuits on the motherboard | Motherboard location map to identify all components for cleaning, schematic for checking power rails |
After conducting thorough research, we have identified the following verified sources for downloading the Vivo Y93 schematic diagram:
: A repository for hardware solutions, including test point locations and board diagrams.
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