How to Troubleshoot & Replace Samsung AP4220155 / DE47-20060A Microwave Thermostat

Replaced magnetron thermostat mounted directly over the magnetron (item 7-1 on drawing, Samsung PN DE47-20007B, AP Number AP4580109). Also replaced one of the electrical connectors to the thermostat (which had overheated) which a standard generic connector I had separately. 

Replaced thermostat above the cavity. I posted a YouTube video https://youtu.be/xqidYkMglqw 

Replaced it. 

I replaced the thermostat which worked great! 

Replaced thermostat. Microwave model ME18h704SFG. 

Found defective temperature link. Ordered it up quick and easy from APP and save $300 from having to buy a new microwave. 

Replaced bottom TCO [ Thermal Cut Off ] sensor the one mounted behind Control Panel with AppliancePartsPros No.Part #: AP4220155 (DE47-20060A) it's a120 C or 248 F degree sensor and it's a Normally Close thermostat and will Open when the temperature reach 248 F or 120 C [ Over Heat ] oven. and only cost $2.16 , very cheap ,thanks for AppliancePartsPros with super fast shipping. will do buz with them again. 

A small temperature sensor burned out behind digital control panel.