All posts by Jestine Yong
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This Lovely Locally Assembled Amplifier Had Only A Minor ProblemThis amplifier was brought by a customer as per recommendation of another. The complaint was that the Sub-woofer was not working and one channel of the 5.1 Surround speaker systems was not working....
- Posted July 12, 2025
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40 Year Old Telenorma Station- Clock Controller Checked. Analyzed and DocumentedAbout a week ago my good pro watchmaker friend Charles contacted me about two unknown Station-clock controller driver boards that appeared completely defect. ‘Unknown’ because not a single piece of document existed of this device that was...
- Posted July 5, 2025
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Membrane Keypad Retrofit In A Combo Telephone/Radio/Clock Soundesign Model 7541I have this set for a long time. The telephone function was used in the beginning and then abandoned. The radio was also used at that same time and also abandoned. The...
- Posted July 5, 2025
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Fridge Defrost Timer RepairedFrom our techie group one fridge repair technician contacted me for help, he is having some problem in Defrost timer of fridge. Told him to visit my place on next morning. As discussed he comes to my...
- Posted July 5, 2025
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This Computer SMPS Survived A Third Attempt On Its Life – Story Of INTEX TECHNO ATX SMPSThe above image is an extract form my previous article: https://jestineyong.com/maintenance-done-in-computer-smps-lasted-for-five-years/ This computer SMPS got serviced first in March, 2017, second in April, 2022 and got readmitted in December, 2024 withthe complaint...
- Posted July 5, 2025
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Completed Another Basic Electronics Repair Level 1 CourseCompleted today another Basic Electronics Repair Course For 7 participants. Below are the photos taken during the 3 days course: Likes(14)Dislikes(0)
- Posted July 4, 2025
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Repair Of ESR MeterThis my esr metre’s press on/off button has being malfunctioning for some few months back, so I thought it wise to do the need full about it. Open cover case, clean little dust inside and...
- Posted June 28, 2025
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Desktop Computer Repaired And ServicedCustomer visited my place with his computer stating problem, Computer intermittent Making Noise & front USB sockets are not working. Connected CPU on my setup and powered the computer, it works smoothly...
- Posted June 28, 2025
