HiFi System repair | Electronics Repair And Technology News

Panasonic Hi-Fi Setup No Power Repaired

Jestine Yong — Fri, 12 May 2023 23:48:19 +0000

A customer sent to me his Panasonic Hi-Fi set up with no power symptom. As usual, I did not see any problems (visual inspection) in the power supply and mainboard. In certain cases, you could see darkened fuse, dead lizard, corroded circuit line, burst capacitor, burnt resistors, dark patch on pcb board, loosen connectors and […]

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Another F61 Issue On A Panasonic Sound System Repaired

Jestine Yong — Fri, 13 Jan 2023 23:10:32 +0000

A fitness club manager brought this Panasonic DJ device for repair. When I saw the device, I could guess it was an F61 issue; I asked the customer about it and he confirmed my diagnoses although I did not open or checked the device yet. He […]

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LG Mini Hi-Fi Repaired

Jestine Yong — Fri, 22 Jul 2022 22:19:49 +0000

Customer sent in this LG Hi-Fi with the complaint of standby mode. I tried pressing all the front control button and there were no response at all. Even with the remote control would still not be able to bring the power up. This concludes that there was a […]

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Panasonic Hi-Fi With Error F61 Repaired

Jestine Yong — Wed, 04 Aug 2021 04:57:22 +0000

Customer sent to me this Panasonic Hi-Fi with the complaint of F61 Error. Looking at the error code, it means serious problem and there must be component failure. The problem usually is not related to dry joints, loose contact, broken circuit trace and etc. For your information, I have actually repaired quite a number of […]

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Multiple Faults In LG Hi-Fi System Repaired

Jestine Yong — Thu, 28 Jan 2021 03:16:52 +0000

This LG Hi-Fi system came in with multiple faults such as no sound, can’t change to other button function, CD not working, FM malfunction and etc. Since there are so many sections were affected, it seems the problem could be due to improper DC supply voltage in the power supply section. The moment the cover […]

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Fixing Blue Tooth/USB/FM Module In Sony Component System RV-5

Jestine Yong — Fri, 30 Oct 2020 00:01:26 +0000

This Sony Component System Model RV-5 was brought by my son for replacing the broken speaker connectors and to add a Bluetooth/USB/FM module on the CD door, as he did not want to have the CD unit restored. (Sorry, I forgot to click the unit before carrying out the modifications!) I opened the set, subjected […]

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No Sound In Sony Hi-Fi Solved

Jestine Yong — Wed, 15 Jul 2020 12:54:24 +0000

This Sony Hi-Fi System came in with the complaint of no sound but other features seems to be working fine. I took out my old speaker and connected it to the output jack and there was still no sound. This means this no sound problem was not due to […]

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Unbelievable! Shorted E-Cap In Sony DVD Hi-Fi

Jestine Yong — Mon, 21 Jan 2019 06:08:42 +0000

This Sony DVD Hi-Fi came in with the complaint of no power and surely the standby LED would not light up. The first thing I did was to open up the cover and head straight to the power section. This model still use the linear transformer and the main fuse […]

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Standby Problem In Pioneer Mini Hi-Fi System Repaired

Jestine Yong — Tue, 16 Jan 2018 00:46:43 +0000

A customer sent to me the Pioneer Mini Hi-Fi System for repair wit the complaint of Stand By Mode. This means by pressing on the standby/On button in the front panel would not cause the system to start up. This system came together with a remote […]

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How To Repair 3 CD Changer That Does Not Play CD’s- Model: LG LM-M345

Jestine Yong — Fri, 15 Sep 2017 12:42:17 +0000

An old man walked to my shop and had a CD player in his hands. He did not know what was wrong with it but he wanted it to be fixed. The moment I powered up the player, the screen came on and I could hear a […]

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