The Tech Circuit

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Electronics Education for Appliance and HVAC Technicians. Focusing on electrical theory for field technicians, this channel introduces not only basic electrical theory, but reading schematics and advanced diagnostic techniques and insight into how electrical circuits and systems behave in appliances and HVAC applications. More information at www.TechCircuit.org or visit our Facebook group at www.facebook.com/groups/746823709133603 . #ElectronicsForApplianceTechnicians #electricaltheory, #appliancerepair, #readingschematics

Home Videos Live Playlists

#144 - Measuring Milliohms with a Regular Multimeter

#144 - Measuring Milliohms with a Regular Multimeter The Tech Circuit

11K views - 6 months ago

#142 - Solar Inverters vs. Inductive Loads - Why Power Factor Matters

#142 - Solar Inverters vs. Inductive Loads - Why Power Factor Matters The Tech Circuit

742 views - 6 months ago

#137 - Testing Semiconductors with a Multimeter—Diodes, Zeners, Microwave, LEDs, Transistors, MOSFET

#137 - Testing Semiconductors with a Multimeter—Diodes, Zeners, Microwave, LEDs, Transistors, MOSFET The Tech Circuit

1.2K views - 7 months ago

#131 - How does a Synchronous Motor Work? Teardown, Demonstration, and Theory | The Tech Circuit

#131 - How does a Synchronous Motor Work? Teardown, Demonstration, and Theory | The Tech Circuit The Tech Circuit

1.7K views - 7 months ago

#125 -Voltage Sources Explained: Internal Resistance and Real-World Examples | The Tech Circuit

#125 -Voltage Sources Explained: Internal Resistance and Real-World Examples | The Tech Circuit The Tech Circuit

519 views - 8 months ago

#112 - Ohms Law Demonstration on the Bench - Voltage, Current, and Resistance Made Simple

#112 - Ohms Law Demonstration on the Bench - Voltage, Current, and Resistance Made Simple The Tech Circuit

1.2K views - 8 months ago

#111 - Ghost Voltage Demonstration

#111 - Ghost Voltage Demonstration The Tech Circuit

1K views - 9 months ago

#110 - Running a 4 Amp Dryer Motor on 1.5 Amps? Power Factor Correction Demonstration.

#110 - Running a 4 Amp Dryer Motor on 1.5 Amps? Power Factor Correction Demonstration. The Tech Circuit

484 views - 9 months ago

#107 - How BLDC Fan Motors Work – Inside the Electronics and Bench Test Demo

#107 - How BLDC Fan Motors Work – Inside the Electronics and Bench Test Demo The Tech Circuit

1K views - 10 months ago

#109 - Power Factor Correction Explained with a Simple Demo Circuit

#109 - Power Factor Correction Explained with a Simple Demo Circuit The Tech Circuit

6.1K views - 11 months ago

#106 - Capacitor ESR vs. Temperature Demonstration

#106 - Capacitor ESR vs. Temperature Demonstration The Tech Circuit

1.5K views - 1 year ago

#105 - Capacitors vs. Temperature Demonstration - ESR - Equivalent Series Resistance

#105 - Capacitors vs. Temperature Demonstration - ESR - Equivalent Series Resistance The Tech Circuit

1.1K views - 1 year ago

#104 -GE Refrigerator Motherboard Failure - Electrolytic Power Supply Capacitors

#104 -GE Refrigerator Motherboard Failure - Electrolytic Power Supply Capacitors The Tech Circuit

1.3K views - 1 year ago

#98 - Inductive Reactance Demonstration - Frequency Up, Ohms Up

#98 - Inductive Reactance Demonstration - Frequency Up, Ohms Up The Tech Circuit

1.1K views - 1 year ago

#97 - Capacitive Reactance Demonstration - Frequency Up, Ohms Down

#97 - Capacitive Reactance Demonstration - Frequency Up, Ohms Down The Tech Circuit

741 views - 1 year ago

#99 - Series Resonance Circuit in Action – Resonant Frequency Demonstration

#99 - Series Resonance Circuit in Action – Resonant Frequency Demonstration The Tech Circuit

6.2K views - 1 year ago

#103 - Testing Batteries with a Multimeter

#103 - Testing Batteries with a Multimeter The Tech Circuit

6K views - 1 year ago

#102 - Advanced Multimeter use with the Klein CL800 and Fluke 117 - Part 2 of 2

#102 - Advanced Multimeter use with the Klein CL800 and Fluke 117 - Part 2 of 2 The Tech Circuit

1.5K views - 1 year ago

#101 – How to Use a Multimeter -The Basics

#101 – How to Use a Multimeter -The Basics The Tech Circuit

1.6K views - 1 year ago

#100 - Parallel Resonance Circuit in Action – Light Bulb Dimming Experiment

#100 - Parallel Resonance Circuit in Action – Light Bulb Dimming Experiment The Tech Circuit

2.6K views - 1 year ago

#96 - How Outlet Testers Can Give False Readings (What They Miss!) ⚠️

#96 - How Outlet Testers Can Give False Readings (What They Miss!) ⚠️ The Tech Circuit

1.6K views - 1 year ago

#95 - Voltage Pen Continuity Testing: Diagnosing 120V Circuits with an NCV Tester

#95 - Voltage Pen Continuity Testing: Diagnosing 120V Circuits with an NCV Tester The Tech Circuit

839 views - 1 year ago

#94 - LoZ Meter Demonstration. Whirlpool Dryer Not Heating.

#94 - LoZ Meter Demonstration. Whirlpool Dryer Not Heating. The Tech Circuit

879 views - 1 year ago

#93 - 1928 RCA Radiola 18 Restoration and Operational Theory

#93 - 1928 RCA Radiola 18 Restoration and Operational Theory The Tech Circuit

1.6K views - 1 year ago

#92 - Samsung Dryer t5, tS, or E5 Error - How to Troubleshoot

#92 - Samsung Dryer t5, tS, or E5 Error - How to Troubleshoot The Tech Circuit

4.8K views - 1 year ago

#91 - 240V LoZ Testing

#91 - 240V LoZ Testing The Tech Circuit

1.6K views - 2 years ago

#90 - 240 Volt Outlet Testing

#90 - 240 Volt Outlet Testing The Tech Circuit

14K views - 2 years ago

#89 - 120 Volt Outlet Testing using a Multimeter, a LoZ Meter, and a Voltage Pen

#89 - 120 Volt Outlet Testing using a Multimeter, a LoZ Meter, and a Voltage Pen The Tech Circuit

3.3K views - 2 years ago

#87 - How to use a LoZ meter

#87 - How to use a LoZ meter The Tech Circuit

9K views - 2 years ago

#86 - 3 Ways to Test for an Open Neutral

#86 - 3 Ways to Test for an Open Neutral The Tech Circuit

34K views - 2 years ago

#85 - Open Neutral Testing with a Voltage Pen (NCV)

#85 - Open Neutral Testing with a Voltage Pen (NCV) The Tech Circuit

3.7K views - 2 years ago

#84 - Open Neutral Testing in 120v Circuits

#84 - Open Neutral Testing in 120v Circuits The Tech Circuit

83K views - 2 years ago

#83 - Open Neutral Testing in 240v Circuits

#83 - Open Neutral Testing in 240v Circuits The Tech Circuit

10K views - 2 years ago

#82 - How Does an Infinite Switch Work?

#82 - How Does an Infinite Switch Work? The Tech Circuit

20K views - 2 years ago

#81 - Testing Microwave Diodes with a Multimeter

#81 - Testing Microwave Diodes with a Multimeter The Tech Circuit

36K views - 2 years ago

#80 - Testing MOSFETS with a Multimeter

#80 - Testing MOSFETS with a Multimeter The Tech Circuit

19K views - 2 years ago

#79 - Why Current Through a Grounded Appliance Chassis doesn't trip a GFCI

#79 - Why Current Through a Grounded Appliance Chassis doesn't trip a GFCI The Tech Circuit

994 views - 2 years ago

#78 - Whirlpool Range F6E1 Error Code and Overheats

#78 - Whirlpool Range F6E1 Error Code and Overheats The Tech Circuit

5.6K views - 2 years ago

#77 - How an SMPS Power Supply Works

#77 - How an SMPS Power Supply Works The Tech Circuit

1.3K views - 2 years ago

#76 - **Can Ohms Lie? The Truth About Resistance & Misdiagnosis!**

#76 - **Can Ohms Lie? The Truth About Resistance & Misdiagnosis!** The Tech Circuit

3.2K views - 2 years ago

#75 - Testing Transistors with a Multimeter

#75 - Testing Transistors with a Multimeter The Tech Circuit

26K views - 2 years ago

#74 - Whirlpool Amana GAS Dryer Schematic Walkthrough | Voltage Map & Troubleshooting Guide

#74 - Whirlpool Amana GAS Dryer Schematic Walkthrough | Voltage Map & Troubleshooting Guide The Tech Circuit

4.5K views - 2 years ago

#73 - Electric Oven Schematic Walkthrough with Common Failures F2, F10, and F20

#73 - Electric Oven Schematic Walkthrough with Common Failures F2, F10, and F20 The Tech Circuit

4.1K views - 2 years ago

#72 - Refrigerator Display Flashes. Ice door opens and shuts. Diagnosis and Control Board Repair

#72 - Refrigerator Display Flashes. Ice door opens and shuts. Diagnosis and Control Board Repair The Tech Circuit

725 views - 2 years ago

#71 - Cooktop Burner Too Hot - Infinite Switch Replacement

#71 - Cooktop Burner Too Hot - Infinite Switch Replacement The Tech Circuit

5.6K views - 2 years ago

#70 - Appliance Repair Electricity Learning Quiz

#70 - Appliance Repair Electricity Learning Quiz The Tech Circuit

702 views - 2 years ago

#69 - Testing Zener Diodes with a Multimeter

#69 - Testing Zener Diodes with a Multimeter The Tech Circuit

11K views - 2 years ago

#68 - Testing Diodes with a Multimeter

#68 - Testing Diodes with a Multimeter The Tech Circuit

80K views - 2 years ago

#67 - Fluke 116 Multimeter Review: Best HVAC Meter? Ghost Voltage & LoZ Explained

#67 - Fluke 116 Multimeter Review: Best HVAC Meter? Ghost Voltage & LoZ Explained The Tech Circuit

10K views - 2 years ago

#66 - Fluke 116 LoZ Detection of Compromised Voltage Sources

#66 - Fluke 116 LoZ Detection of Compromised Voltage Sources The Tech Circuit

5K views - 2 years ago

#65 - Is this a Real Voltage? Ghost Voltage Detection using a LoZ Meter

#65 - Is this a Real Voltage? Ghost Voltage Detection using a LoZ Meter The Tech Circuit

2.4K views - 2 years ago

#64 - What is a Ghost Voltage? Fluke 116 LoZ Demonstration.

#64 - What is a Ghost Voltage? Fluke 116 LoZ Demonstration. The Tech Circuit

27K views - 2 years ago

#63 - Why use a LoZ Meter?

#63 - Why use a LoZ Meter? The Tech Circuit

10K views - 2 years ago

#62 - The Ubiquitous Voltage Divider - A Must Know Concept for Appliance Repair

#62 - The Ubiquitous Voltage Divider - A Must Know Concept for Appliance Repair The Tech Circuit

502 views - 2 years ago

#61 - Gas Range Won't Heat. NCV Diagnostics.

#61 - Gas Range Won't Heat. NCV Diagnostics. The Tech Circuit

554 views - 2 years ago

#60 - H-Bridge Transistor Motor Control Demo

#60 - H-Bridge Transistor Motor Control Demo The Tech Circuit

1K views - 2 years ago

#59 - How to Test Microwave Door Switches

#59 - How to Test Microwave Door Switches The Tech Circuit

45K views - 2 years ago

#58 - Thermistors Explained

#58 - Thermistors Explained The Tech Circuit

2.9K views - 2 years ago

#57 - H Bridge Motor Control Theory and Examples

#57 - H Bridge Motor Control Theory and Examples The Tech Circuit

385 views - 2 years ago

#56 - "Control Board Explained! Power Supply, Microcontroller, PWM, and Troubleshooting Guide"

#56 - "Control Board Explained! Power Supply, Microcontroller, PWM, and Troubleshooting Guide" The Tech Circuit

2K views - 2 years ago