Electronics Repair And Technology News

Source COF Found Short Between VGL & VGH In COOCAA LED TV Model 42S6CG

Jestine Yong — Sat, 26 Sep 2026 07:22:53 +0000

One of my elder brother’s schoolmate called me introducing himself and informed that there was no display in his TV and sound was ok and this happened suddenly while watching. Though I normally do not make any house visits, this was an exceptional case as he was not fit enough to remove the TV from […]

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Lenovo Laptop Repaired With White Display

Jestine Yong — Sat, 26 Sep 2026 07:22:08 +0000

Received laptop for repair, stating problem only backlight is visible on the screen no picture/Image. Upon receiving the unit for inspection, the first step was to check for any external damage, scratches, or missing screws, so as to avoid any accusations or disputes later on. Photos were shared with […]

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Solved Erratic Problems In Micromega CD-10 Silver CD Player

Jestine Yong — Sat, 26 Sep 2026 07:21:25 +0000

This unit received in November, 2024 re-visited me in December, 2025 with the complaint of erratic problems and not reading any of the disks. I have made a report of my earlier work on this, which can be seen here: https://jestineyong.com/restored-a-tampered-cd-player-micromega-cd-10-silver/ I will be providing only images relevant to the problems and […]

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Completed Another Basic Electronics Repair Course

Jestine Yong — Fri, 25 Sep 2026 12:19:44 +0000

Completed today another Basic Electronics Repair Course for 7 participants. Below are the photos taken during the 3 days course: Likes(12)Dislikes(0)

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Surprise Help By Techie Friend For Replacement Of Backlight In ONIDA LED TV Model LE050FNAB2

Jestine Yong — Sat, 19 Sep 2026 12:54:40 +0000

This TV belonged to a close neighbor and childhood friend. (He and his wife have supported me and my wife quite often during the time she suffered a stroke.) The complaint was ‘no display’ when switched on in the morning. I went to his home to study the nature of […]

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Mobile Charger Repaired

Jestine Yong — Sat, 19 Sep 2026 12:53:56 +0000

An office boy of my friend came to see me regarding some work. When he noticed that I do electrical repair work, he mentioned an issue with his mobile phone—it would charge intermittently. It was micro USB type charging socket, checked mobile on My Mobile charger it is working fine. I asked him to bring […]

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How Much Human Abuse Can A Device Take? – Case Of Mr King Induction Cooker-ORION-888

Jestine Yong — Sat, 19 Sep 2026 12:53:01 +0000

This induction cooker (hereinafter referred to as ‘IC’ for brevity) was brought to me with the complaint that it gets on, but stops immediately. I checked and confirmed the same on my table too. But I was awestruck when I opened the IC for cleaning. Please have a look: It took me well over a […]

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Recovering Magnetrons

Jestine Yong — Sat, 12 Sep 2026 12:22:06 +0000

The Magnetron tube is the basic component of microwave ovens. This tube and the high-voltage transformer are the two most expensive parts of the set. A substantial part of the maintenance cases is related to problems with the Magnetron, which symptomatically raise the repair costs. It’s interesting that […]

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Self-Sacrifice Of A SONY LED TV Adaptor Model VGP-AC19V32 To Save Its Master From Lightning

Jestine Yong — Sat, 12 Sep 2026 12:21:25 +0000

My neighbor called me one day to inform that his Sony LED TV was dead after a lightning attack and asked me to go there to check up. He is elder to me and like my own brother and I immediately responded to his call and went there. The plug where this […]

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The Inside Of A USB Portable Rechargeable Soldering Iron

Jestine Yong — Sat, 12 Sep 2026 12:20:32 +0000

This is a handy tool that I bought a few months back. I used this often when working on SMD components and doing some minute soldering works. The backup time, unfortunately, is not good enough when used in high temp mode. But when we do work on T-con or Scalar Boards […]

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