LMV2073ST LG - Instructions

Ordered the switches from Partselect, arrive in two days. Had trouble removing the plastic connectors from the old switch terminals, one of the plastic protectors broke, but was able to reuse it. It took a little figuring out how to remove the existing switches. Must push in a tab and rotate the switch on a little pin, then remove. Must b ... Read more e careful not to break the plastic tabs holding the switches in place. Replaced all (3) switches at the same time. All in all it was pretty easy.

Disassembled control panel and checked power transformer windings. Primary winding fried. Patched power to magnatron transformer to make sure it was ok. Removed power transformer and checked diodes and transistors on board which were ok. Installed new transformer and reassembled control panel to microwave. Checked functions.