Jestine Yong | Electronics Repair And Technology News

The Thrill Of Assembling A Discreet Amplifier

Jestine Yong — Sat, 01 Aug 2026 01:56:54 +0000

Occasionally, I take a break from my repair work and resort to assembly of some devices, in order to kill the monotony and refresh our assembling skills. I happened to see the following discreet amplifier board in Amazon India site, which evinced my interest in making one, though I indeed […]

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ACER Laptop Repaired For Intermittent Power Problem

Jestine Yong — Sat, 01 Aug 2026 01:55:53 +0000

Received Acer Laptop for the repair, stating Intermittent Power problem, upon speaking with the customer, it was revealed that the laptop had been given to someone for repairs and the issue has persisted ever since; often, the power button has to be pressed multiple times to get the display to come on. At first glance, […]

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Revisit Of USB-BT-FM Radio Model SPANIO WOODY

Jestine Yong — Sat, 01 Aug 2026 01:55:06 +0000

This set had visited me in March 2025 with power failure problems, about which I have already written an article, which is in queue. I had changed the Transformer and battery and did other service work then. It visited me again in October, 2025 with the same complaint; i.e., dead! […]

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Completed Another Higher Advanced Electronics Repair Level 3 Class

Jestine Yong — Fri, 31 Jul 2026 13:10:54 +0000

Completed today another Higher Advanced Electronics Repair Level 3 course for 5 participants. Below is the video and photos taken during the 3 days course: Likes(7)Dislikes(0)

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Fungus Attack And Failure Of Crystal Brought Back This Yamaha Receiver Amplifier RX-V485

Jestine Yong — Sat, 25 Jul 2026 02:51:28 +0000

This Yamaha Amplifier had visited me in September, 2023 about which I have submitted a report here vide link provided: https://jestineyong.com/intermittent-on-off-problem-solved-in-yamaha-rx-v485-receiver-amplifier/ There was a comment by an expert which reads like this: Your dedication and hard work always pays off even when you this time didn’t need to replace a single e-cap (Lol)! The Amp […]

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Euronics Automatic Soap Dispenser Repair-1

Jestine Yong — Sat, 25 Jul 2026 02:50:51 +0000

Received 3 units of Automatic Soap Dispenser for not working problem., looking at the condition of the units, it seems like someone tried to repair it. This unit is Battery operated using 4 nos. AA size battery, working on total 6vDC. In this unit Battery department access is in side. […]

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Euronics Automatic Soap Dispenser Repair -2

Jestine Yong — Sat, 25 Jul 2026 02:50:13 +0000

The second unit of the Euronics automatic soap dispenser has now been repaired. Detailed photos were already shared in the previous article, so here, details regarding the further investigation of the fault are being shared. This 2nd unit is checked, getting 6v on PCB Power connector. on Leaf switch I […]

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Completed Another Higher Advanced Electronics Repair Course

Jestine Yong — Fri, 24 Jul 2026 12:29:06 +0000

Completed today another Higher Advanced Electronics Repair level 3 course for 4 participants. Three of the participants were from Perodua and they already attended the level 1 and 2 course last time. Below are the photos taken during the 3 days course: Likes(18)Dislikes(0)

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Repair Of Blu-Ray Disc/Dvd Player

Jestine Yong — Mon, 20 Jul 2026 12:13:46 +0000

This Philip blu ray disc player was brought with complaint of disc tray not opening, l haven’t repair this type of device before, so I was curious about it, infact I thought I was going to see surprising kind of boards different from what we see in conventional dvd player, […]

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Restored An Ant Infested CCTV Video Recorder And Adaptor – RLN8-410 & 2AAL090R

Jestine Yong — Mon, 20 Jul 2026 12:13:06 +0000

This Network Video Recorder along with its Adaptor was brought to me by a new customer through a known customer with the complaint that it was dead. Yes, indeed, the complaint was checked and confirmed. I had to pry open the Adaptor to check what went wrong in the power supply. […]

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