All posts by Jestine Yong
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Revisit Of MARANTZ PM75 Amplifier With Different ProblemsI request you all to see this link, in which I had reported about the first visit of this complicated, crudely designed amplifier with a hell of a lot of interconnecting wires....
- Posted September 7, 2025
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Completed Another Basic Electronics Repair Level 1 CourseCompleted today another Basic Electronics Repair level 1 course for two participants. Below are the photos taken during the 3 days course: Likes(17)Dislikes(0)
- Posted September 4, 2025
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Microwave Oven Back To LifeThis microwave oven was brought by a new comer in the neighbourhood with complaints of working but not heating. So I did put it to test by powering it, bulb lit inside oven, tray and fan worked,...
- Posted August 30, 2025
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TOP 265VG Found Failed In DELL Computer Monitor Model E1715SCThis belonged to the hospital where I work and was admitted to my home hospital for emergency service. The complaint was that the Monitor became dead suddenly. I removed the screws holding the...
- Posted August 30, 2025
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Artis BT-81 Bluetooth Speaker Not Working & Charging LED Not VisibleReceived again this speaker stating Speaker not working & Charging LED not visible. Earlier I repaired same speakers for the Battery Problem. Reference: https://jestineyong.com/bluetooth-speakers-turn-off-within-10-minutes/ Opening process already shown in above reference Article...
- Posted August 30, 2025
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Crackling Noise In TEAC Amplifier Model AS-100 SolvedThis was one among the three antique sets brought by a new customer from a faraway distance, as a result of mouth-tomouth publicity! The complaint reported was that the left channel of the Amp was having loud...
- Posted August 30, 2025
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LG Home Theater Model DH3140S – Dead on Arrival, Now RepairedI received this LG home theater from a customer who wanted it checked by a technician. It was completely dead on arrival, so I started with the basics. I checked the main fuse and found it open....
- Posted August 23, 2025
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Brandnew Musical Tesla Coil Already Defect Within 10 Minutes! But Now Fixed and Working Again!Recently I was interested in this brandnew Musical Tesla Coil. And it arrived in about 9 days from Poland. As soon it arrived I checked the manual on how to obtain...
- Posted August 23, 2025
