All posts by Jestine Yong

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  Dark Oval Shaped Patch On A Calculator Screen Repaired

  I found my Calculator developed dark oval shaped patch on the screen. It disturbing to read the digits on screen. Earlier also I repaired damaged screen Multimeters with same oval patch symptom. A dark oval shaped patch...

  • Posted November 22, 2025
  • 15
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  No Power In Car Radio AMP SAMCON CDSN555 Solved

            This FM-Amplifier was brought by a recently added customer stating that it was bought several years back and used in his Three wheeler Autoriskshaw (A type of transport vehicle), connected to the...

  • Posted November 22, 2025
  • 6
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  Completed Another Advanced Electronics Repair Level 2 Class

  Completed today another Advanced Electronics Repair class for 5 participants. Below are the photos taken during the 3 days course: Likes(16)Dislikes(0)

  • Posted November 21, 2025
  • 6
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  Attempts To Save Two Computer Monitors Failed – LG 16M35A-B & ACER P166HQL

            Here are two sad cases, which I think is incumbent upon me to share with you all so that not only can one learn the troubles and methods used but also take...

  • Posted November 15, 2025
  • 9
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  TV Backlight Replacement

  This hisense 32″ led tv was brought to me with complaint of no pictures but has audio. Usually technician will suspect backlight problem, so I removed back cover, measured backlight voltage which was 41.8V,then removed the connector...

  • Posted November 15, 2025
  • 7
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  Display Replaced In HP LAPTOP 15r062TU  

            This HP Laptop was brought by one of my colleagues when she along with her husband visited my home the other day as a part of their courtesy visit to meet my...

  • Posted November 15, 2025
  • 6
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  Completed Another Basic Electronics Repair Course

  Completed today another Basic Electronics Repair course for 8 participants. Below are photos taken during the 3 days repair course: Likes(13)Dislikes(0)

  • Posted November 14, 2025
  • 6
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  No Audio Signal Dreambox DM800HDse Sat Receiver Fixed

                Every week – 24/7- my good old trusted DM800HD SE Dreambox satellite receiver waits for me to help me watch and record TV programs. But recently on one of those...

  • Posted October 25, 2025
  • 13