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Mend Belkin FSC400-140W

repairing Belkin DC-to-ac inverter, model FSC400-140W?

20A fuse blew, replaced but now 'over load/low battery light is on after turning on the inverter. Circuitry looks clean with no burn marks anywhere.

fdryer
June 2009
BelkinBelkin FSC400-140WComputers, Computer Hardware
After replacing some switching transistors and IC chip, I was using a 19v laptop pwr supply as the DC input. To my surprise, when I switched to a 12v supply the inverter came to life! Apparently the higher input voltage from the 19v laptop pwr supply shut down circuitry, preventing the inverter from powering up until I switched to a lower voltage supply. I may have used one too many parts but am sure one of four switching transistors was shorted.

fdryer
July 2009

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repairing Belkin DC-to-ac inverter, model FSC400-140W?

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Belkin FSC400-140W Inverter Repair - Help