Denis F Weare , NH November 04, 2016 Appliance: Samsung Microwave Hood Combo SMH1713W/XAA-0001 Samsung Microwave Smh1713w/Xaa-0001 / : Transformer was smoking. How to replace Microwave High Voltage Transformer. R&r transformer Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes