Speaker System Repair | Electronics Repair And Technology News

Portronics Dash 12 Portable Speakers Repaired- Part 2

Jestine Yong — Sun, 06 Apr 2025 07:27:36 +0000

Checked Voltages ON Charging IC here also voltages are fluctuating. I found battery out voltage on pin no.5 is fluctuating between 1.8v to 4.8v. so I suspected Charging IC Here. But what about Battery Voltages, is battery OK & not charging because of Bad Charging IC? Again I checked with another […]

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Portronics Dash 12 Portable Speakers Repaired- Part 1

Jestine Yong — Sun, 06 Apr 2025 07:26:51 +0000

Received party speakers, stating problem it suddenly stopped working assuming the Battery drained they kept for charging for 1 whole day still it does not power ON. For confirming stated problem symptom, I checked unit on my work bench & I found when we plug the charging adapter Both […]

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Philips MMS 430 Volume Control Unit Modification Wiring Details

Jestine Yong — Sat, 08 Mar 2025 06:52:36 +0000

Received Back this speaker system almost after 10 years. Found volume control PCB is Broken again. But this time I decided to keep volume control & ON/OFF switch out of the box, instead of fitting it inside the satellite speaker. https://jestineyong.com/philips-mms-430-speaker-universal-board/ Refer to my article above, in comments […]

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Rusted Iron Cores And Wires Found In Leading Brand JAMO Speaker System

Jestine Yong — Sat, 01 Jun 2024 05:33:45 +0000

This speaker system was brought to me by my school classmate and a regular customer with the complaint that it was dead. After removing the rear connector board, when I pulled it, I observed heavy rusting and the connection to the input sockets were worn out. I then removed […]

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Received Creative SBS 240 Speakers For Repair

Jestine Yong — Sat, 01 Jun 2024 05:32:56 +0000

Stated problem left side speaker working ok but right side speaker does not work. Connected speaker on my setup computer on playing song I found exact same problem as stated. But on keeping volume control on full volume it works for few seconds and gives distorted noise on right […]

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Fixed A Dropped And Broken Computer Speaker Model ALTEC LANSING ACS21W

Jestine Yong — Sat, 13 Jan 2024 01:40:44 +0000

This computer speaker was brought to me by a regular customer stating that it was accidently dropped and the connectors have gone in. He tried to open, by pealing the speaker net thinking that there might be hidden screws. But the back cover of the main unit was fixed with […]

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Creative SBS 370 Speakers Repaired For No Power

Jestine Yong — Sat, 16 Apr 2022 10:32:20 +0000

This one is same speaker which was modified earlier by me by installing Bluetooth Kit. Customer sent me complaining no power. On arrival I checked the adapter it uses 11.4V AC tested using multimeter voltage is OK. Now for further inspection I opened the unit. I am shocked […]

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A Speaker System With Power Issue Repaired

Jestine Yong — Wed, 23 Feb 2022 07:32:43 +0000

A guy next door who owns an olive wood carving workshop brought this speaker system for repair and the issue was power related. He explains that his speaker system goes into shut down a few hours after it has been turned on. He likes to listen to music […]

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Creative SBS 370 – 2.1 Speaker Modifications

Jestine Yong — Sat, 27 Feb 2021 04:01:23 +0000

Received creative speakers stated problem both the satellite speakers Works intermittently when Vary Volume Control so that It is confirmed problem with the Volume Control. So I opened the external wired Volume Control Unit. I didn’t find any dust or Physical damage hence Cleaned the 5 Pin […]

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Two Way Speaker System With No Sound Repaired

Jestine Yong — Sat, 26 Sep 2020 01:47:19 +0000

A friend of mine at church brought this two way sound system for repair. He works in the city of Jericho which is about one hour drive from my workshop. He is having electrical problems the whole time. Last week, a fridge, power regulator and this two […]

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