DVE DSO142L switching power supply

DVE DSO‑142L is a compact 12 V/15 A switching power supply commonly used to drive CCTV cameras or small industrial controllers. Known failure modes for this model include failed output capacitors (especially C12), damaged MOSFETs, and overheating of the heat sink due to inadequate ventilation. First‑check diagnostics: verify input AC voltage and polarity, measure output rail under load for correct 12 V ±5 %, inspect the board for bulging or leaking electrolytics, and examine the heatsink for excessive thermal buildup or dust accumulation.[oss-gpt-20b] Post Comment

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