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Furuno Radar Problem
"Larry" wrote Come on, Chief! Haul out that big Weller that dims the lights when you pull the trigger and unsolder those 80-wire ICs!...(c; Geeze, Larry, now, as Bruce sometimes says, "I feel a story coming on". Mike and I were in the pilot house of the Washington State Ferry "M/V Vashon, performing delicate surgery in the belly of a Furuno radar display. Transistor on a PCB needed replacement. I grabbed my trusty Weller D550 and Mike took the extension cord and searched for an outlet. He asked the Mate if he knew where there was 120 volts. Mate asked if 110 volts would do, there was an outlet right behind that bench. Sure! Pulled the trigger on the Weller and nothing happened. Just a little curl of smoke from the gun's ventilation slots. Let go of the trigger and smoke, flames and sparks came shooting out of all the gun's vent slots. I threw the Weller gun on the pilot house deck and started stomping on the fireworks display. Mike looked terrified. I WAS terrified. Mate calmly pulled the extension cord plug out of the wall socket. Mike noticed then that the outlet on the bulkhead was labeled "110 Volts DC". Sheesh. Be glad rocket science is not our profession. Old Chief Lynn (Larry, I touched a Roland once!) |
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