How to Repair a dead Car Amplifier in less than 30 minutes. 

A MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a type of field-effect transistor that is widely used in electronic devices and circuits. It is a three-terminal device that can be used as a switch or an amplifier. The MOSFET has three layers: the source, the drain, and the gate. It operates by controlling the flow of current between the source and drain terminals using an electric field generated by the gate terminal. MOSFETs are commonly used in various applications, including power amplifiers, voltage regulators, and digital logic circuits.

Thanks for the video. Take care.

Very thorough explanation! Great job , thanks for your time!

Nice to see some SAns techies on the tube... So many mistakes on this video. But that is how you will learn. Keep doing what you brother.

You really need to improve those soldr joints, i'd reccomend using some flux.

Wow that's very helpfull... Thank you Boss🙏

Hello! can you help me? I have a problem with one of amplifier, sine wave output is in the noise (noise is 0,520v wthout any signal) (replacing change amps can (but too cant) help for a moment with clean sine wave, but after 1-5 minutes sine is back to noised sine wave. What is causing this problem? RCa input is clean. After my test with third amplifier, for a moment i got better sine wave in second amplifier, The problem: Amp blowing speaker much before distortion output, bass is weak / weird, flexing car but i dont hear and fell presure, Wave sine on out amp is rippling like Phase reverse - back normal - reverse - back normal itp. In warm temperature sound (bass) can be much better for a few minutes only. Or sometimes multipe disconect power wires can help back clear sine wave Which issue fits this problem? Input noise, Resistor noise, Thermal drift. And how to solve this problem. Thanks!

Thank you for a thorough and clearly explained tutorial sir!! Just a couple quick questions, if that’s alright: 1. @ 4:02 , the MOSFET on the board measured 0.148 voltage drop; but doesn’t a good MOSFET require ~ 0.3 - 0.7 voltage drop? 2. In your PCB troubleshooting process, do you test each component 1 by 1 until you land on the faulty one?

the best in the game

If car head unit is stuck on boot loop, where should I start? There is power, no obvious burning on the board, no obvious damage on parts? I have Toyota entune radio unit. Thank you for you video

🔥🔥🔥🔥🔥🔥🔥thats one thing about you ,u know what you are doing

Nice video should make some more about the car amplifier repair like how to fix amplifier in protection mode the amp doesn’t have the external fuse on the the amp how to rest those kind amplifier bro

You should do more car audio videos

When a resistor is burnt. Will it affect the sound output?

Nice job

You are great bro

Where are you located and do you do repairs and upgrades to amps

Is a mossfet a common issue for power failure? What is the first thing you would look into for power issues?

So the generic mosfet is 55v? I have the IRFZ44v is that generic? Do I need to replace with the same or can a generic mosfet work? Thank you

My jvc ks-ax3104 was dead and i successfully repaired.but some minor issue is one side channel mosfet is very hot

My amp layout is different it has only 4 mosfets on the left and 2 on the right side. Are all 6 dead? Or just the left sides Mosfets dead?

How do you know what side is the input and the output side??

question, could you pull mossfest out of an old amp that is good aslong as it's same ones and reuse them? have 2 old amps that have good mossfets and i have a burnt one in a new amp i just got

What if only subwoofer don t work? It s car s subwoofer , from the factory. Suddenly stopped working. How would u fix that

Does the mosfe look shorted or is just shorted

can i put whole motherboard to oven for a little time maybe fix?

Nice to see,,,😂

And short after 30 second.

Great material, I have one question about the Phoenix Gold car amplifier, I disassembled it and noticed that the transformer, one of the turns is very loose, should I attach it somehow or glue it with some special glue? Thank you

where are you located

Digital star sound Rapter 1channel car power amplifier show protection light. What thing burn inside

What determines the watt output

yEP