subwoofer repair | Electronics Repair And Technology News

Restored SONY SA-WMD40 Multimedia Speaker System Making Happy A Holidaying Customer

Jestine Yong — Sun, 09 Feb 2025 08:30:10 +0000

This Multimedia Speaker System was brought to me by a new customer, referred to by an unknown person. The complaint was that the power on through the 18V adaptor was visible, but never responded to commands from the remote or front panel control. In order to open the sub-woofer, we […]

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A Sub Woofer With A Distorted Sound Repaired

Jestine Yong — Sat, 29 Jun 2024 08:14:57 +0000

A friend of mine who lives close by called me a about a distorted sound in a sub woofer speaker system and he wanted it repaired as soon as possible. This customer used to have a repair shop in town but he closed it down due to lack […]

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Kef PSW3000 Subwoofer Repair

Jestine Yong — Thu, 21 May 2020 13:44:16 +0000

A client dropped off his KEF PSW3000 subwoofer complaining that it had no sound. I powered up the unit and could see the power-on LED on the front of the wooden box illuminate, but could hear no clicking of the speaker protection relay inside. I opened […]

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No Sound In Mini USB Subwoofer Repaired

Jestine Yong — Sat, 18 Mar 2017 04:47:55 +0000

A customer sent to me a USB Mini Subwoofer set for repair and the complaint was no sound but have power. When the AC power was connected and I plugged in the USB, I could not hear any sound coming out from the speakers. […]

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Samsung Subwoofer Damaged By A Mouse

Jestine Yong — Tue, 27 Oct 2015 23:47:54 +0000

The complaint of this Samsung subwoofer was no sound and the customer said he saw a mouse went into that hole. The first test I done on this subwoofer is to check the speaker Ohm and as expected there was no reading-see the photo below: The next […]

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No Sound In 3 Channel Subwoofer System

Jestine Yong — Sat, 26 Sep 2015 03:05:24 +0000

The complaint of this 3 channel sub woofer system was that the right speaker does not have sound. In order to see the circuit board inside, one need to open up the cover as shown in the below photo: Below photo is the amp PCB board and I […]

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No Sound In Mitashi SubWoofer Repaired

Jestine Yong — Sat, 12 Sep 2015 03:39:34 +0000

The complaint of this Mitashi Sub Woofer was no sound but have power. As usual, in order to repair the set, one need to open up the cover for visual inspection to see if there is any dry contact, loosen connectors/cables and etc. The top part seem […]

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Creative Speakers Volume Control Not Working Repaired

Jestine Yong — Fri, 03 Apr 2015 12:54:53 +0000

On a holiday with my family I have visited to one of my friend’s home for his son’s birthday party and children are enjoying very much. After cake cutting they plan to play music and dance; all the children move to another room where they kept […]

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Funai Computer Speaker Intermittent No Power Repaired

Jestine Yong — Fri, 07 Nov 2014 13:33:55 +0000

Customer brought his Funai Speakers for repair with the complaint of intermittent no power. First I have checked the power adapter and it was producing 19 VDC and working fine. I had to open up the speaker for further troubleshooting. Once the cover was removed […]

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Hotpoint Subwoofer No Power Problem Repaired

Jestine Yong — Sat, 05 Jul 2014 06:27:35 +0000

My friend gave this subwoofer saying there is no any indication of life when he connects it to the power source. The problem started when the power resumed after a power failure. He said he did not switch it off during the power failure. When I opened I […]

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