How To Check Voltage On A Circuit Board



Voltage is a critical component of any electrical circuit, and ensuring that it is working properly is essential for a functioning circuit board. Checking voltage on a circuit board is not as complex as it may seem and can be done in simple steps with the right tools.

Before checking the voltage on a circuit board, you should make sure that the power switch is turned off. The power switch should be located near the circuit board itself, often on the same side as the power cord. Once the switch is off, use a multimeter to measure the voltage on the circuit board.

To begin, use a screwdriver to locate the test points on the circuit board. These are the places where the voltage readings will be taken. You will then connect the multimeter's positive and negative probes to the test points. The positive probe should be connected to the positive terminal while the negative probe should be connected to the negative terminal.

Once the probes are attached to the test points, set the multimeter to the "Volts" setting and press the "Test" button. The multimeter should show the voltage readings on the display. If the voltage is lower than expected, the circuit may not be functioning properly and could need some repairs.

When reading voltage on a circuit board, it is important to make sure that the probes are connected properly. If the probes are reversed, the readings may be incorrect. Additionally, you should make sure that the multimeter is set to the correct range so that accurate readings can be taken.

It is also important to remember to turn off the power switch before taking voltage readings on a circuit board. This is necessary to prevent any dangerous sparks or electrical shocks.

Checking voltage on a circuit board may seem intimidating at first, but it is actually quite simple when done correctly. With the right tools and safety precautions in place, it is easy to get accurate voltage readings from a circuit board. Knowing how to do this is essential for anyone who works with circuit boards and electronic components.


How Conduct A Short Circuit Test For Pcbs Pcb Design Blog Altium

How Conduct A Short Circuit Test For Pcbs Pcb Design Blog Altium


Tida 00493 Reference Design Ti Com

Tida 00493 Reference Design Ti Com


How To Use A Multimeter Measure Voltage Cur And Resistance Dengarden

How To Use A Multimeter Measure Voltage Cur And Resistance Dengarden


Pcb Assembly Inert Gases Air Products

Pcb Assembly Inert Gases Air Products


How To Use A Multimeter Test Smartphone Motherboard Coolcircuit Com

How To Use A Multimeter Test Smartphone Motherboard Coolcircuit Com


What Are The Diffe Ways On How To Check Circuit Board Printed Manufacturing Pcb Assembly Rayming

What Are The Diffe Ways On How To Check Circuit Board Printed Manufacturing Pcb Assembly Rayming


Pcb Troubleshooting Guide Global Electronic Services

Pcb Troubleshooting Guide Global Electronic Services


Voltage Testing

Voltage Testing


Ev2765 Ncd5700 Mini Evaluation Board User S Manual

Ev2765 Ncd5700 Mini Evaluation Board User S Manual


How To Test A Circuit Board

How To Test A Circuit Board


Premium Photo The Hand Of Engineer Measures Voltage On Electrical Board With Test Leads

Premium Photo The Hand Of Engineer Measures Voltage On Electrical Board With Test Leads


How To Measure Voltage In A Circuit Digikey

How To Measure Voltage In A Circuit Digikey


Measuring The Open Circuit Voltage Of A Battery Cell With Keithley Dmm7510 Tektronix

Measuring The Open Circuit Voltage Of A Battery Cell With Keithley Dmm7510 Tektronix


Board Voltage Chart Free

Board Voltage Chart Free


How To Use A Multimeter Measure Voltage Cur And Resistance Dengarden

How To Use A Multimeter Measure Voltage Cur And Resistance Dengarden


Pcb Assembly With 0 5 To 10oz Copper Thickness And 150 300v Test Voltage China Manufacturing Circuit Board Made In Com

Pcb Assembly With 0 5 To 10oz Copper Thickness And 150 300v Test Voltage China Manufacturing Circuit Board Made In Com


How Conduct A Short Circuit Test For Pcbs Pcb Design Blog Altium

How Conduct A Short Circuit Test For Pcbs Pcb Design Blog Altium