Electronics > Portable Audio & Accessories > Portable Radios
KA-3193 AM FM Retro Multimedia Radio with Bluetooth USB
Brand: Generic / OEM
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low-quality tuning potentiometer (ENG-001) causes radio reception failures (RMA-001), leading to complaints of noise and tuning difficulty (REV-001, REV-005).
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