All posts by Jestine Yong

• March 2010 Repair Newsletter

  If you are a first time visitor to my blog and wish to read my March 2010 repair newsletter that talks about “Understanding The Purpose Of Some Electronic Components In Electronic Circuits” then you can click HERE...

  • Posted March 7, 2010
  • 8
• How A DVD Player Work

  Likes(1)Dislikes(0)

  • Posted March 6, 2010
  • 2
• Resistance Substitution Wheel

  If you come across a board that have missing resistor or the resistor burnt beyond recognition, you can always use the resistance substitution wheel to locate the resistor value. Although it is not 100% accurate, at least...

  • Posted March 5, 2010
  • 2
• Completed Another Repair Course

  This course was attended by 5 participants and the youngest one was 18 years old guy who are waiting for his SPM (form five) result. As usual, i will provide support (phone and email) to them if...

  • Posted March 4, 2010
  • 2
• Problems In Isolator IC

    There are few problems that can be found in Optoisolator IC (4N35, PC817 and etc). The most common problem is the internal transistor shorted or turn leaky. The diode LED could have open circuit but rarely...

  • Posted March 3, 2010
  • 8
• LC Meter

    Here is a website that sell LC meter and they claim it to be very accurate. Please click on the photo for more information. Likes(1)Dislikes(0)

  • Posted March 2, 2010
  • 4
• Getting Better In Troubleshooting And Repairing Each Day

  If you want to be good in Electronic troubleshooting and repairing, one must practice more especially on the practical side. You have all the information from books, internet and etc but you must understand that head knowledge...

  • Posted March 1, 2010
  • 0
• BGA Inspection

  Likes(1)Dislikes(0)

  • Posted February 28, 2010
  • 0