Don't Miss
  • Video: Plasma TV-How It Works


    • Posted April 28, 2012
    • 1
  • ERG Members Email Accounts Hacked

    I have received many emails from ERG members where the email message was about clicking on certain websites and that they got robbed and asked to bank in the money. I knew those emails were not sent...

    • Posted April 27, 2012
    • 2
  • Fast and Slow Blow Fuse

    SMPS usually use slow blow fuse and if you replace it with a fast blow fuse (with the same ampere rating) chances is high the fuse will blow again. It can blow immediately or after using the...

    • Posted April 25, 2012
    • 8
  • Horrible Customer Service

    I''ve got an email comment from one of my customers (ERG member) about the horrible customer service that he had with Here is the email: Hello Jestine, I want to share with you and fellow technicians...

    • Posted April 24, 2012
    • 3
  • About Waveforms In Equipment

    When you perform the electronics troubleshooting work, having a service manual or schematic diagram is an added advantage. The sample waveforms listed in the manual could quickly helps you to pin point the fault fast. Of course...

    • Posted April 23, 2012
    • 8
  • Electronics Repair FAQ- Part 28

    Please click HERE to read electronics repair FAQ part 28. Likes(0)Dislikes(0)

    • Posted April 22, 2012
    • 0
  • How Come There Are So Many Optoisolator ICs In SMPS?

    It is common to see 1 or 2 optoisolator ICs in a switch more power supply board (SMPS) but what about 3 or even 4 opto ICs in the power supply board? As far as I know...

    • Posted April 21, 2012
    • 1
  • Power LED Does Not Light Up

    When you see an equipment where the power LED does not light up don't quickly decide that it was the power section problem. You have to know that nowadays the consumer electronics equipment power LED signal is...

    • Posted April 19, 2012
    • 4