Скачать или смотреть #0026

In episode #0026 of our Electronic Components series, you'll learn how to test a varistor (MOV) using a digital multimeter, step by step. MOVs (Metal Oxide Varistors) are crucial components that protect your electronics from voltage spikes, but when they fail, they can silently damage your circuit.
💥 Don’t just replace components blindly. Learn how to identify faulty varistors, check resistance values, and recognize shorted or open MOVs with basic multimeter techniques.
✅ What you’ll learn in this video:
What is a MOV varistor and how it works.
Symptoms of a failed MOV
How to test varistors with a multimeter
In-circuit vs out-of-circuit testing tips
Common mistakes to avoid
⚙️ Perfect for anyone doing power supply repair, surge protection troubleshooting, or electronics diagnostics.
💬 Drop a comment with the next component you want tested!
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If you’re repairing motherboards or working with power circuits, you NEED to understand 3VALW and 5VALW lines. In this quick 1-minute video, I break down what they are, why they matter, and how to identify and troubleshoot issues related to them using simple tools like a multimeter.
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