The Jiaxing Shufude SFD‑PS‑851 is a 100–240 V AC to ~30 V DC switch‑mode power supply used in electric bed bases and related consumer electronics. Common failures include degraded output voltage due to capacitor fade, overheating of the switching regulator, or failure of the internal rectifier/transformer under load; these often manifest as dimming LEDs or intermittent operation. First‑check steps: verify input AC voltage and polarity, measure the DC output with a multimeter while the unit is powered, inspect for visible signs of damage (burn marks, swollen capacitors) and test the output current capability by connecting a dummy load.[oss-gpt-20b] |
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Jiaxing Shufude Electric Bed Co., Ltd SFD-PS-851 Switch Power SupplyIndustrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.
Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.