Question about American Pro VS-2043 Car Audio Amplifier

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OVERHEAT PROTECTION HELLO ALL I JUST BROUGHT A NEW AMP AND I THINK IT OVERHEATED HOW CAN I GET IT OUT OF THE PROTECTION MODE OR IF IT TRASHED THANKS FOR THE HELP

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The thermal protection would have reset when the amp cooled down. When cool, if it still goes into protection when it powers up, there are likely blown output transistors. To be sure it's not a wiring problem, disconnect the speaker wires 'from the terminal block of the amp' and disconnect the RCA cables from it. If it still goes into protection, the output transistors are almost certainly shorted.

Posted on Sep 09, 2007

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I have a volfenhag zx7170 and i had the amplifier hooked up to my truck but when i switched it out to my car (which i did all the wiring right in) it went into protection mode and wont come out of it is...


Hello
Disconnect all the output wirings. Just supply the amp itself, and switch it ON. If it doesn't show any protection, make sure that the wiring to speakers have some short in between car chasis. check them, by connecting one by one, and find out which one makes the trouble. Cehck it well. If the amp does show protection even after disconnecting all the outputs, make sure that the internal circuit of the amp has some trouble, and the set needs service. OK

Wish You A Happy and Porsperous 2012
Gopakumar G, Trivandrum City, Kerala State, South India.

Dec 29, 2011 | Car Audio & Video

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One channel thermal overload stays lit and no output from that channel. even after unit sits overnight, thermal light on immediately,unit not hot. Looking for schematic?


Red light is on if:
- thermal protection, overheated amp, bad thermo sensor
- DC at speaker terminals
- high current at output transistors
Also could be a protection circuit malfunction.
In any case you need new channel module or send your module or whole amp for repair here.
Thanks,
Paul

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1 Answer

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Yes it has a protection mode, let it cool for while then try it again, if it over heats quick make sure you're not running the amp below its stable impedance.

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1 Answer

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YEA CHECK THE OHMS ON THE SUB TO MAKE SURE THEY MATCH UP TO THE AMP JUS SOUNDS LIKE THE WIRING IS OUT OF PHASE.

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1 Answer

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It can only be a few things...either it overheated and is in a protection mode...the amp went out... the input line is not supplying input...or the output line is not supplying output. If the input is good...the output that goes from the amp to the kicker itself may have came unplugged. If that is not the case, it may have overheated.

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2 Answers

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Disconnect all speaker wires and signal cables from the amp. If it powers up normally (doesn't go into protection), the wiring needs to be checked. If it still shuts down, the amp likely has blown output transistors.

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2 Answers

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1 Answer

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like many other problems people have with amps it is usally a ground issue, grounds have to be in very good spots especially with high power amps, move your ground to a different spot, with zero guage wires really is all you need, double grounds would be inopropriate here. hope this helps

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