Changing the output voltage in a switching power supply. What to look for?

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Published on Apr 26, 2021

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In this video I talk about changing the output voltage in switched-mode power supplies. I show you the values of which components to change, and what to pay attention to so as not to damage the power supply. Download my calculator: https://drive.google.com/drive/folder... ---------------------- Table of contents------------------------ 0:00 Introduction 0:49 Opening the case 2:02 What's on the power supply board? 3:45 How does such a power supply work? 7:00 IC data sheet 9:28 What components will need to be changed? 11:34 What should you watch out for? 15:28 Power supply tests 16:25 Changing voltage in power supplies with an optocoupler 17:04 Conclusion ---------------------------------------------------------------- Don't want to miss new videos? Subscribe to the channel! My most interesting videos: The simplest converter, a joule thief: • The simplest converter, a joule thief: • Protection against reverse polarity: • Protection of systems against reverse polarity... MPPT regulator for solar panels: • Solar charger, charging controller... Repairing an energy-saving light bulb: • How to repair an energy-saving light bulb,... Building a switching power supply: • How to build a power supply in the fly topology... Laboratory power supply: • Conversion of a switching power supply to a la... Repairing a 5V charger: • Repairing a charger, 5V power supply; LCD Monitor Repair: • How to Repair an LCD Monitor, What's W... ATX Power Supply Repair: • How to Repair an ATX Power Supply, What to Look For... LED Strip Dimmer: • Simple LED Strip Dimmer, Dimmer... Battery Rectifier: • Automatic Rectifier, Charger for... Short Circuit Protection: • Current Limiter, Overload Protection... Step-up/Down Converter: • Simple and Universal Control Converter... Simple Regulated Power Supply: • Converting a Switching Power Supply to a Re... 100W Converter from 12V to 230 or 325V: • Converter from 12V to 230 or 325V, M... Tone Control: • Tone Control [DIY #40] Simple Charger for Various Batteries: • Simple Charger for Various Batteries [... LED Oscilloscope: • LED Oscilloscope (Part 1): Introduction... Converter step-up: • Boost converter, ... Simple and efficient audio amplifier: • Simple but efficient audio amplifier ... High-power transformer power supply: • Simple high-power power supply, part 1 of the cut-off... Induction heater, high voltage on ZVS: • ZVS system, i.e. induction heater... Fan speed controller: • Speed controller, fan controller... PWM controller for motors and bulbs: • PWM controller for motors and bulbs ... Converter from 12V to 230V: • Converter from 12V to 230V, simple and ... The simplest frequency meter: • Frequency meter, simple and quite... Plasma lighter: • Plasma lighter, ZV generator... Playlists: Electronics basics: • Electronics basics DIY: • DIY Converters: • Converters Repairs: • Repairs

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