What is most likely wrong with my car audio amplifier? What typically is the first component that blows? - car audio blowout
Is I have a Sony 75W x4 channel amplifier blown, I try to correct them. I know some basics of electronics, I think, the most modern, what I have done, is simply a timer circuit 555 or may Cockroft-Walton voltage multiplier. I know exactly what is the scope of the amplifier, but the solution of problems relative) complex circuits (over my head. I hope he can reduce it to a particular component and to replace it.
The booster exploded by a power short circuit. I had to uninstall the WAP in my vehicle, when are 1 of 2 things happen. 1) The power cord through a metal bracket on the car and the short-term (+) (power cord) for the (- frame) ().... been cut car or .... 2) The amp is screwed into the chassis of the car with the chassis of the amplifier (-) and then the (+) power supply firmly into the chassis of the amplifier.
I think that is causing the problem, that is the # 2 tee, sales (+) lead-frame () -. For I know that caused the outbreak, there is no indication of what could be the problem? I opened the case that the amplifier research at first handCharacters in the combustion components, but I saw nothing. My first guess is that the output transistors so close to the exit, but I'm not sure.
Given the scenario, it is very likely wrong?
Is there anyway to fix this problem without examining the components one after the other?
More ... I'm not a box, but I'm using a voltmeter digital multi-function mobile phone
Wednesday, January 20, 2010
Car Audio Blowout What Is Most Likely Wrong With My Car Audio Amplifier? What Typically Is The First Component That Blows?
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I think you're out of luck with it. If you had a hot short-term power, will put itself in milliseconds, as a physical pressure can have many transients with high energy through the filter of the power line cause is. It was to have well developed ~ 12 VDC with a higher voltage (but very low current) system noise power. Instead, seems to have happened, is a series of pulses of 12 VDC at a high rate, which is currently so high because of) the recovery of the earth (-. Was probably right through the filter of the power and press the power circuits. Most of them are doomed to fail, so that everything holds, rather than continue without voltage regulation. I would say that none of the voltage regulation circuits of death, especially since the 300-watt amp cooking indoors.
Or maybe a backup jumped internal outbreaks. Many seem to be strong, but are fused into a reality. If you can not have a plan that only with difficulty.
Probably better if someone who has the right to give,tion and knowledge to solve ...
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