Power Adapter Repair | Electronics Repair And Technology News

Tuning Problem And Issues In AC Adapter Solved In PHILIPS Radio RL205/00

Jestine Yong — Sat, 13 Jun 2026 05:39:23 +0000

This radio was brought by a recently added regular customer with the complaint that the AC adaptor was not working and the tuning was with crackling noise. I opened the ACA, which had multiple voltage selector switch and a polarity inverter switch. Let us have a look of the inside: As you can […]

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Power Surge Blew 12V Adaptor And PS IC In LG Monitor Model W1643C

Jestine Yong — Sat, 24 Jan 2026 12:21:41 +0000

The monitor and its adaptor were brought to me with the complaint that it was dead and that the service provider could not resolve it. My interest always aroused when others failed and I brought it home for checkup. The monitor had such a lot of dust inside that it took almost an hour for […]

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Buildskil Cordless Drill Machine Adapter Repaired

Jestine Yong — Sat, 07 Dec 2024 06:45:08 +0000

Received Power adapter for Physical Damage. Found mains in put pin Broken. On opening the adapter, I found pins not soldered inside but on PCB it has two retention clips which hold this pins firmly inside. Removed PCB from the adapter for soldering wires directly from pins to […]

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DC Adapter Indicator Light Correction

Jestine Yong — Sat, 23 Nov 2024 07:52:32 +0000

Adapter brought to me by one carpenter, he was using it to charge some Battery operated tool. Stating LED Indicator light on adapter was not visible. Found very tiny pin hole, but is does not like any LED there. I connected the adapter on power & found if you […]

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5V USB Adapter Repaired

Jestine Yong — Sat, 19 Oct 2024 08:30:45 +0000

Using this adapter with my Magnifier glass since very long time. I was inspecting one PCB for dry solder & found LED in magnifier glass was on & off in a short interval. Checked Magnifier with another adapter it works perfect. Opened adapter for inspection. Everything seems Ok […]

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One AC Adapter Model Mass Power Saved From Dump

Jestine Yong — Sat, 14 Sep 2024 09:33:39 +0000

This AC Adapter belonged to the Hospital where I worked and was brought to me in dead condition. I brought it home and checked to confirm the complaint. The ACA was already opened by someone in the maintenance department, which saved my time. Let us have a look at inside: […]

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Samsung Laptop Adaptor AP04214-UV Saved From Dump

Jestine Yong — Sat, 03 Aug 2024 12:19:43 +0000

This ACA was brought by one of my colleagues in the hospital with the complaint that there were power surges and interruptions after which it became dead. I opened the ACA and checked. The tank capacitor (4.7uF/400V) was bulged. The low value current rush protector resistor in the source […]

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12V 3 Amp Power Adapter After About 5 Years Fixed Again

Jestine Yong — Sat, 27 Apr 2024 08:13:40 +0000

Although this repair is about a in year 2018 already before repaired power adapter it is not a bad power adapter at all! That is mainly because I use this 12V 3A adapter almost 24/7 every week without any issues on my connected Dreambox 800HD satellite receiver. Until today […]

The post 12V 3 Amp Power Adapter After About 5 Years Fixed Again first appeared on Electronics Repair And Technology News.

Two Adapters Survived Sudden Voltage Surge

Jestine Yong — Fri, 15 Sep 2023 23:08:50 +0000

These two adaptors survived the onslaught by sudden spikes; rather the electrolytic capacitors took the beating and saved the other costly components. Both of these ACAs belong to the hospital where I work and were brought to me in dead condition. Case 1: As you could perhaps make […]

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Explosive Failure Of A Maxx AC Adapter Model 1250

Jestine Yong — Fri, 11 Aug 2023 23:11:37 +0000

This adaptor belonged to the hospital where I worked and was brought to me with the complaint that a loud sound was heard and it became dead. On opening, I was taken aback to see the charred components: The fuse was blown and the Mosfet had burst and I gathered […]

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