Basic Electronics | Electronics Repair And Technology News

Table Lamp Repair

Jestine Yong — Fri, 29 May 2026 06:06:57 +0000

This table lamp was brought to me with complaint of both solar and usb circuits not charging. I’ve being receiving this kind of lamp in the neighbourhood with the same problems for quite some time now. This lamp uses usb type C (6 pins) cord for charging and its tracks are […]

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AC Drop Capacitor Found Burst In DP Emergency Light Model LED-716

Jestine Yong — Sun, 08 Mar 2026 07:39:30 +0000

I request you all to read the article on repair of a similar light published in July, 2018: https://jestineyong.com/how-to-service-dp-30-led-emergency-lamp/ The model number was 30, which is now 716 showing the number of times it got changed, while the board remained the same! I saw only one difference. Earlier they were […]

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600 Repair Articles Written By Parasuraman covering 641 items!

Jestine Yong — Mon, 22 Dec 2025 07:10:04 +0000

Hi All, For your information, Parasuraman had prepared for you a pdf file that contain links to all his 600 written articles. The articles are sorted based on type, model and make for easy reference. You can right click here to save his 600 written articles. Parasuraman Subramanian is from India. He is 76 years […]

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Membrane Keypad Retrofit In A Combo Telephone/Radio/Clock Soundesign Model 7541

Jestine Yong — Sat, 05 Jul 2025 04:04:11 +0000

I 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 set was only used in the clock function since then. There are seven switches in the top part, […]

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This Computer SMPS Survived A Third Attempt On Its Life – Story Of INTEX TECHNO ATX SMPS

Jestine Yong — Sat, 05 Jul 2025 04:02:52 +0000

The 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 that it was dead. As cleaning was already done by the IT-Administrator, I focused on what went wrong […]

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Dead Instant Chappathi Maker Chefmaster Classique Restored To Working Condition

Jestine Yong — Sat, 28 Jun 2025 08:57:06 +0000

This was among nine items brought by a customer, who was thrilled to get back five items serviced after our first encounter. For those of you who are not familiar with this home appliance: This is a Chappathi maker; prepare the dough and put a small lump between the top and bottom plates and press […]

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Completed Another Basic Electronics Repair Level 1 Course For 7 Participants

Jestine Yong — Fri, 06 Jun 2025 09:32:01 +0000

Completed yesterday the Basic Electronics Repair Level 1 course for 7 Participants. Below are the photos taken during the 3 days course: Likes(11)Dislikes(0)

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Failure Of Motor Control IC BA6209 In KENWOOD KX-880D Cassette Deck

Jestine Yong — Sat, 22 Feb 2025 11:52:57 +0000

This antique cassette deck was brought to me by a new customer, referred to by one of my regulars. The complaint was that none of the functions worked, but lights were on. I opened the set and cleaned it thoroughly and downloaded the nearest service manuals KX-880HX & 880G […]

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A Dead Welding Machine Was Brought Back to Life. Model: Apex SMINI-180

Jestine Yong — Sat, 14 Dec 2024 06:35:09 +0000

A welding technician brought this welding machine to my shop for repair. I powered on the machine using a current limiter and I could not see any sign of life on that machine. I took the cover off and right away I saw a broken fan; with a broken fan […]

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Replaced PS Board In Revisited Samsung LED TV Model LA32D451G3

Jestine Yong — Sat, 06 Jan 2024 03:48:32 +0000

Those of you who have not read my earlier article may kindly do so as I will be focusing only on the problem reported this time and rectification done. https://jestineyong.com/voltage-surge-shorted-two-mosfets-and-blew-the-fuse-in-samsung-led-tv-la32d451g3/ This TV which was attended to in March, 2023 returned in June, 2023 after a gap of only three months. This time the complaint was […]

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