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KA-7031 LED Digital Desk Clock
Brand: Generic / OEM
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Audited BOM: 9 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Poor filtering and regulation of the USB power supply (ENG-001) causes display instability (RMA-001, REV-003) and functional failures with different power sources (RMA-006, REV-006), leading to returns (RMA-001) and customer dissatisfaction (REV-001, REV-003).
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