Samsung F731U schematic, packed as a ZIP of about 3.43 MB; F731U is the US version of the Galaxy Z Flip5. The name carries no revision information. These service diagrams help trace power rails, charging and battery circuits, hinge flex signals and connector pinouts, and identify components when diagnosing no-power or no-charge faults. Regional variants differ in parts and layout, so check the model printed on the device and board matches this US version.
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