Monday, February 13, 2012

Technology - Engineering Applications - Dissasembling a Microwave Pt2

   Continued from part 1 ... After taking all the wires out of the microwave, I then also took out the light-bulbs and their sockets. But there was still two wires going underneath. Turns out, they connected to a geared motor, which is 'supposed' to make the turntable inside the microwave turn. But there was no turntable, and no shaft to place one on; wtf!? :S Quite a silly design! xD

   All that was left were the control circuitboard, the high voltage transformer, the high voltage rectifier, and the magnetron. The circuitboard was a bit tricky to take off as it was hard to turn the screws that were holding it in, which were parallel to the circuitboard and sitting right next to the casing of the microwave. After a bit of struggling I managed to get them loose. Then I went onto taking out the high-voltage capacitor, and the high- voltage diode, which were connected to the high-voltage transformer, and the magnetron. I had another sheet-metal duct to take out, and I found another fan underneath. The fan cools the magnetron and the transformer. Next up was the magnetron, and then the transformer. Those bolts holding the transformer in were quite tight, and the transformer is quite heavy too.

   And so, I was left with the metal shell of the microwave, which we brought to our local municipal recycling center. But for now, that's it for the microwave dissasembly! 

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