All posts by Jestine Yong

• 
  Two Adapters Survived Sudden Voltage Surge

                These two adaptors survived the onslaught by sudden spikes; rather the electrolytic capacitors took the beating and saved the other costly components. Both of these ACAs belong to the hospital...

  • Posted September 16, 2023
  • 14
• 
  Completed Another Advanced Electronics Repair Level 2 Course

                Completed today another Advanced Electronics Repair level 2 course for 10 participants. Below is a video and photos taken during the 3 days repair course:   Likes(24)Dislikes(0)

  • Posted September 15, 2023
  • 5
• 
  Defect In 1117-3.3V IC Drove HAIER LED TV Model LE22B600 To Intermittent Standby

            This LED TV belonged to the hospital where I work. It was brought to me with the complaint that the TV goes off intermittently. After bringing it home, when I checked up,...

  • Posted September 9, 2023
  • 14
• 
  A Dead Cooker Was Brought Back To Life. Model:UNI-F100XL

                A friend of mine had this cooker for a while and one day he powered on the device but nothing came on. He heard a loud pop coming from inside...

  • Posted September 9, 2023
  • 11
• 
  LED TV With Bright Spots Light On Screen Repaired

          This 48″ Panasonic LED TV belongs to the church where I do worship, this TV was mounted on the pulpit for purpose of receiving satellite service from headquarters church.   So some months...

  • Posted September 9, 2023
  • 9
• 
  Beware Of Old Stocks Being Dumped, In Which Batteries Could Be Dead

                  Following two cases are illustrated to make the public aware of old stock getting dumped on us. The first case is my own and the second case is of...

  • Posted September 9, 2023
  • 14
• 
  Completed Another Basic Electronics Repair Level 1 Course

  Completed another Basic Electronics Repair Level 1 Course for 11 participants.  If you are interested in the electronics repair courses please visit this link for more info. Below is a video and photos taken during the 3...

  • Posted September 8, 2023
  • 6
• 
  Fixing Brand New Never Working Nano 3.0 Arduino Modules

  Recently several brandnew cheap Arduino Nano v3.0 ATmega328p modules from China arrived through Aliexpress. But I couldn’t communicate with any of these modules when connected to the usb port for programming with the Arduino IDE program on...

  • Posted September 2, 2023
  • 15