Teardown & Functional Walkthrough - Samsung Microwave Oven (ME731K)
Автор: ELECTROWHATS
Загружено: 2025-07-19
Просмотров: 856
Watch as I teardown a Samsung Microwave Oven, model ME731K). See how I strip it down to the basics and then walkthrough how the electrical system actually works, optimised for cost and simplicity. I also created a schematic to show how the safety switch configuration works and what goes into generating the high voltages necessary to drive the magnetron.
I was able to salvage a nice big high-voltage transformer, switches and motors for other projects.
Check out these other animated videos explaining the origin of the magnetron and how it works:
Magnetron, How does it work? : • Magnetron, How does it work?
The curious case of Magnetron's surface charges! : • The curious case of Magnetron's surface ch...
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Table of Contents:
00:00 - Introduction
00:18 - Overview
00:46 - Quick Intro To The Magnetron
01:40 - Basics Of Microwave Operation
02:39 - Safety Considerations
02:56 - Beginning Disassembly
03:02 - Internal Parts Walkthrough
04:05 - Identifying Parts
06:48 - Display Of Key Components
07:52 - Magnetron Disassembly
12:36 - Microwave Electronics Running On Table
14:25 - Display of functioning disassembly
14:38 - Schematic Walkthrough
14:54 - Schematic - Mains Input
15:16 - Schematic - Control Board Function
18:33 - Schematic - Temperature Sensor
19:01 - Schematic - Switch Functions
20:40 - Schematic - High Voltage Section
20:58 - Schematic - Half Wave Voltage Doubler
21:31 - Schematic - High Voltage DC, Not AC
22:20 - Schematic - Pulsating DC & Why
23:22 - Schematic -Thermionic Radiation/Emission
24:13 - Schematic - Why Ground The Anode?
26:30 - Outro
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