Latest News

  • Metal Oxide Varistor

      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...

    • Posted August 28, 2007
    • 6
  • Current Sense Resistor

      I believe those who are in the electronic repair line had came across power supply that don’t produce enough output voltage. For example, the B+ line of a...

    • Posted August 28, 2007
    • 0
  • Someone Bought Me Coffee!

    This is the first time i received a payment from a reader who read my blog. I have to say thanks to Donald Starnes from USA for buying me coffee...

    • Posted August 28, 2007
    • 0
  • AP4411 IC In HP Pavillion f1703 LCD Monitor

      What type of ic is this AP4411 used in the inverter section of HP f1703 LCD Monitor? At current moment it is hard to find such datasheet or...

    • Posted August 28, 2007
    • 1
  • Hakko Presto 981 Solder Gun

      My favorite solder gun is the HAKKO PRESTO 981 solder gun that have the features of two operating wattages – 20W and 130W, which can be switched by simply...

    • Posted August 28, 2007
    • 2
  • UC3842 Test Circuit

    UC3842 IC can be easily found in most of the electronic equipment switching power supply. Normally whenever the power fet shorted, chances are very high that the uc3842 pulse width...

    • Posted August 27, 2007
    • 36
  • PC Post Card

      PC post card is a diagnostic test card to troubleshoot cpu motherboard. I used to repair and troubleshoot cpu motherboard many years back when i was starting out...

    • Posted August 27, 2007
    • 0
  • Google’s Translation Website

    If you would like to translate my blog or my repair articles from english to other languages, you may do so by visiting google translation website. At current moment...

    • Posted August 27, 2007
    • 0