Replace and clean the power amplifier fan

Repair 3G audio amplifier with many broken components

Restoration 1000W Subwoofer Power Circuit // Helping The Neighbor Design A Subwoofer Box

How to fix dark screen on Samsung 49 inch curved TV/ Hải daily life

Mechanical Girl: Repair the Operating Mechanism of Large Power Speakers and Old Light Bulbs

Genius Girl: Repairing and restoring an old broken amplifier that was considered discarded 🛠🛠🛠

Building a 2000W amplifier to completion with a 20A 66v 0 66v teroid transformer #cbzproject

Collection of many videos of girls serving audio and transporting agricultural products.

Очень маленькая, но удивительная вещь в сломанном телефоне никогда не стоит выбрасывать ☝️

1980 PIONEER SM-1800II STEREO AMPLIFIER Maintenance Repair Restoration

Repairing portable speakers with no sound and damaged signal IC 4558

Genius girl restores old LG-43-inch 2015 & Asanzo-32-inch 2010 TV screen

Repair Jarguar pa-1000x amplifier with broken potentiometer

Genius girl: Repair and restore an antique TV in a junkyard and give it to a lonely old lady.

Jeep Willys Wagon 1955 года погребён в песках времени! Заведётся ли он и поедет ли?

Repairing a speaker that won't turn on, and how to fix it

Repairing burnt black Jarguar 506 amplifier

Giant RSX Speaker Repair and Restoration / Hải daily life

Repairing ROY PA-203 amplifier with damaged signal line

Restoration a Sound System for a Fan from Afar // It's a pleasure to be someone you trust

How to repair PA-468 amplifier by lightning /Hải daily life