You can test a crystal with a frequency counter or even with an oscilloscope. Some digital multimeter have a built in feature of testing crystal.... Read more »
The best way to test a 240v linear transformer is to power on. Of course you can test the ohms of the winding for the primary and secondary side but measuring the input and output voltage by far the most accurate method. ... Read more »
Understanding the Monitor flyback transformer pin out would give you many advantages when comes to troubleshooting and repairing Computer Monitors.... Read more »
Metal Oxide Varistor (MOV) are voltage dependent symmetrical resistors intended to protect equipment from transient voltages resulting from lightning strikes. This component is located near the ac supply input and before the bridge rectifier. ... Read more »
