Audio Repair | Electronics Repair And Technology News

One Channel Of Defective DAC IC Bypassed In Cambridge Audio Model AZUR-540C

Jestine Yong — Sat, 18 Oct 2025 08:26:42 +0000

This is the third visit of this CD Player and I request you all to read the earlier articles, as I would be covering only the complaint reported this time with the relevant images required for it. https://jestineyong.com/toroidal-transformer-failed-in-cambridge-dvd-player/ https://jestineyong.com/rusted-and-corroded-crystal-oscillators-found-in-cambridge-audio-azur-540c/ The set was brought by a regular customer from a faraway […]

The post One Channel Of Defective DAC IC Bypassed In Cambridge Audio Model AZUR-540C first appeared on Electronics Repair And Technology News.

Restored A Dropped And Neglected BANG & OLUFSEN Set Model BEOCENTER 7700

Jestine Yong — Fri, 22 Sep 2023 22:56:11 +0000

This is a sad story of a costly and lovely Bang & Olufsen Set, which many audio enthusiasts might crave to own. This had gone around many hands, tampered, dropped and then lying neglected for many years. This was finally brought by the last owner for a possible restoration. The set was totally dead. Well, […]

The post Restored A Dropped And Neglected BANG & OLUFSEN Set Model BEOCENTER 7700 first appeared on Electronics Repair And Technology News.

Digital Audio Player Repaired

Jestine Yong — Fri, 26 May 2023 22:30:13 +0000

Received SAREGAMA CARVAN portable digital music player for repair, stating not working. This unit is used by customer’s old age parents. On testing I found the unit is not powering on by pressing On/Off switch on the top. I thought may be battery is drained totally hence when I went to connect the cable for […]

The post Digital Audio Player Repaired first appeared on Electronics Repair And Technology News.

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 […]

The post Creative SBS 370 Speakers Repaired For No Power first appeared on Electronics Repair And Technology News.

A Mini Audio Speaker System Repaired

Jestine Yong — Sat, 24 Oct 2020 02:40:51 +0000

A bus driver brought this mini speaker system for repair and as he explained the problem, I tested it out while he is still in the shop and everything tested out fine. The sound was loud and clear, the wireless microphone and the SMD audio card were working […]

The post A Mini Audio Speaker System Repaired first appeared on Electronics Repair And Technology News.

An Easy Fix to a Professional Audio Device. Model TASCAM

Jestine Yong — Wed, 19 Aug 2020 10:08:06 +0000

An American guy brought his professional device for repair. The customer explained that the device was deserted for a long time. When he tried to use it again, it did not work. I have opened and worked on these devices before but the older versions. This is an […]

The post An Easy Fix to a Professional Audio Device. Model TASCAM first appeared on Electronics Repair And Technology News.

Lightning Struck BPL Two-In-One Model CWX-69 Restored

Jestine Yong — Wed, 18 Dec 2019 13:03:23 +0000

This set was bought by me from BPL, where I was employed for almost 20 years. BPL had allowed certain fringe benefits like supplying its audio/video products at drastically reduced prices to its employees. This was such a set. It was serving me well, until I […]

The post Lightning Struck BPL Two-In-One Model CWX-69 Restored first appeared on Electronics Repair And Technology News.

Audio Restoration Repair Bose Wave Music System AWRCC1 AWRCC2 AWRCC7

Jestine Yong — Tue, 16 Oct 2018 02:09:22 +0000

This applies to the Wave Music System, Wave Music System II, Wave Music System III, in all AC voltage variations. These particular versions, manufactured in the 2000’s, are designed in the USA, but include a majority of low-quality parts sourced in China, which are the […]

The post Audio Restoration Repair Bose Wave Music System AWRCC1 AWRCC2 AWRCC7 first appeared on Electronics Repair And Technology News.

Servicing Pioneer TX-520 Tuner

Jestine Yong — Mon, 21 Nov 2016 23:30:49 +0000

This unit was brought to me with the complaint that the audio output stops after playing for a few minutes. I opened the set and subjected it to a thorough cleaning and brought it to my work desk and observed that the 2SD880 Power Regulator Transistor leg […]

The post Servicing Pioneer TX-520 Tuner first appeared on Electronics Repair And Technology News.

GT Sound Active Speaker USB Port Not Working

Jestine Yong — Fri, 22 Jan 2016 03:06:16 +0000

The complaint of this local brand GT sound active speakers was no power in the USB unit while other function was working fine. You can see the USB module in the photo below. Both sides the LEDs were lighted up but not the USB unit. There […]

The post GT Sound Active Speaker USB Port Not Working first appeared on Electronics Repair And Technology News.