Learn the basics of Electrical Engineering.

How to Identify a Bad Voltage Regulator

A bad voltage regulator can be easily identified with one of these symptoms:

  1. Heating: Its temperature will be higher than usual working temperature.
  2. Ripple generation: It'll generate ripples instead of constant level voltages.
  3. Output current: Its output current will be zero or very small.
  4. No output voltage: Its output voltage will be zero.
Obviously, you'll need a multimeter to test the voltage regulator.

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