All posts by Jestine Yong
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Completed Another Basic Electronics Repair Course
Just completed today another Basic Electronics Troubleshooting and Repairing Course for 7 participants. You can visit this link for more information about the repair courses. Below are the...
- Posted September 29, 2017
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How To Build Your Own RS232 To TTL Converter
Hi good peoples! Couple of days ago I got a request to update some sort of firmware on a not so typical microprocessor, the LPC2119 type. As I read...
- Posted September 26, 2017
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Servicing Sunma YX-3600Treb Analogue Multimeter
Until I read the importance of using Analogue Multimeters from Jestine Yong, I was using Digital Multimeter for many years, though I had a BPL...
- Posted September 26, 2017
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Electronics Timer Repaired
My brother gave me his kitchen timer that had a completely broken buzzer. It still did work as perfect timer but gave no sound anymore after it...
- Posted September 23, 2017
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How To Fix A Dead Hoverboard
A kid next door came in to my shop and he was a little bit upset. He was carrying a hover board in his hands. There were two...
- Posted September 23, 2017
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Iphone 6s Plus Screen Replacement
Sooner or later, nearly all phone screens get cracked or broken. They suffer a lot of abuse. They get dropped, sat on, pushed up against sharp objects, or lent...
- Posted September 19, 2017
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Shorted BU3150BF And Open Resistors In Philips DVD Mini Player
The complaint of this Philips DVD mini player was no power. Back in the April this year I have posted a similar model with the same problem...
- Posted September 19, 2017
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471k MOV Cracked In LED TV Repaired
This Haier LED TV with the model of LE22C430V was brought to me with a complaint that the customer heard a loud ‘Tick’ noise, as soon as...
- Posted September 15, 2017












