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All posts by Jestine Yong

  • amplifier-repairs1
    An amplifier with static sound repaired. Model: Daynavox PA-DAAM-1121

                  An amplifier that produces static noise in the speakers is an easy problem to fix. This was an old amplifier and the repair was easy. Here is the story. This...

    • Posted March 17, 2014
    • 0
  • Completed Another Basic Electronics Repair Course

                    Just completed another Basic Electronics Repair course for 6 participants. Here are the photos taken during the 3 days course: Likes(12)Dislikes(0)

    • Posted March 12, 2014
    • 7
  • signalgenerators
    Poor Man’s Signal Generator

                  One of my nephews dropped this 26” Sanyo LCD TV and broke the screen. So I decided to make a signal generator out of it! I disconnected the screen and...

    • Posted March 10, 2014
    • 0
  • bad-ic
    Is Scanner HP 4070 Irrepairable due to Kamikaze Transistor?

                  This story started when I got this HP Scanner and was told that it was rejected by HP repair center. The complaint was that it can’t be powered up. After...

    • Posted March 10, 2014
    • 2
  • pc-repairings
    PC Vibration Solved

                Early in the morning a co-worker came to me because her PC was having too much vibration and she could not work with this situation. Her PC was an ASUS P5LD2-VM/S....

    • Posted March 9, 2014
    • 0
  • resistor values
    What is the resistor value?

                  From the photo you have seen, try  guess what will be this 5 color bands resistor value? Please leave the answer in the comment section below-thanks. Likes(17)Dislikes(2)

    • Posted March 7, 2014
    • 56
  • laptop-repairing
    Fujitsu Laptop Repaired

                A co-worker brought to me his Laptop FUJITSU LIFEBOOK Model: V1020 because when he turned-on the equipment, it was shutting-down some minutes later. First thing done was to check on the external...

    • Posted March 6, 2014
    • 3
  • Reducing The Chances of Having Dry Joints Again In Circuit Board

    Sometimes after applying fresh solder on a dry joint in a circuit board, the joint could break again most probably due to the type of solder we are using and few more factors like high temperature environment...

    • Posted March 6, 2014
    • 8
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