Question about Kenwood KAC 6201 Car Audio Amplifier

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Amp will not turn off and the Remote wire is correct.

I have checked the following: Good ground, Good clean power, Good fuse on amp and power wire, Good speaker connections at amp terminals, and Good REM wire. Here's some things I've done. Disconnect the REMOTE WIRE and it still runs no problem other than it's too hot to touch! Next I disconnected the GROUND to shut it off and obviously it turned off. Now with the GROUND and the REMOTE WIRE disconnected I reattached the GROUND and IT STAYED OFF. I re-attached the REMOTE WIRE and it turned on when it should be off. That would obviously mean the the REMOTE is connected to a constant 12V but it isn't. I know because I tested the REMOTE WIRE on the JL Audio Amp sitting right beside it which turns on and off as it's supposed to. It stays off till it comes in contact with the REMOTE WIRE then it stays on even if the turn ignition off or disconnect the wire. I tested everything I know. Please help me out! Thanks, -Brandon

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  • Xenon Sep 19, 2007

    i researched on google about the pwm chip but ended up more confused. What is it located and how might i check it and where can i get a new one if it is the problem

    Thanks oski

    -Brandon

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Some amps can sense when the car is on or off via the different voltage changes when car is running its likely your jvc has this your other amp doesn't make sure it's 12 volt switched job done.

Posted on Nov 30, 2014

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Check pwm chip ,may need replacing

Posted on Aug 22, 2007

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1 Answer

I have a California Profile 600 watt amp, I have multimeter and have power all the way to my 10


Power from ignition is setup to turn power On,

Check if +12V is available on "REM" terminal.

Check the speaker wirings , if speaker is connected to the

speaker output of the amp securely.

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Cannot get pyle driver 413 bridgable mosfet1000 watt amp to work with 800 watt subwoofer . followed instructions all the lights are lit but no sound need help


just wondering how you connected the amp . you should do the following steps
1 battery cable with right size fuse at battery
2 remote wire from radio
3 rca cable from audio out from radio
4 ground the amp to a good clean piece of metal

then make connection on the amp
1 battery or power cable to the 12volt connector on the amp
2 remote wire to b+ or rem on the amp
3 rca cabel should be pluged in the channels are using cause you tell me that the amp is 4 channel
from the model numbers
4 clean and scrape off paint on the metal surface you are going to install the ground cable from the amp . make sure your ground is no more than 12 inch max. and is the same gauge as the power cable
5 . run your speaker wires to the amp and make sure your ohm load for the subwoofer is 2 ohms or 4 ohms to make the amp work proper .

if need help on anything email me @ [email protected]

Oct 29, 2010 | Pyle Car Audio & Video

1 Answer

Not powering up no current tried every thing


Hi apart from the + & - connections to the big terminals, the terminal marked "REM" or "REMOTE" needs 12 volts on it too to start the amp up.
If no joys then check the following in this order:-
ensure amp has a good 12v supply & good ground.
remove & inspect the fuses on the amp
disconnect all speakers and retest amp.
if all this stillresults in a dead amp then the only answer from here is service to the amp.
ENSURE THERE ARE NO SHORTS IN THE SPEAKER WIRING TO EACH OTHER OR VEHICLE GROUND - this will kill your amp.

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I need help installing a 4 Channel Power Acoustik Amplifier to Two Pioneer Subwoofers. I hooked up the power wire to the positive battery terminal in the engine compartment. I then cut the power wire and...


You are doing right on what you described. I really like to work with a clearly described what involved in an issue.

Now we have to use a Voltmeter to check if there is power to the amplifier. If there is power to the amplifier terminal, then the problem is at the amplifier, not the connection. Let check it out:

1- Turn on your Kenwood radio, make sure to hear sound from your regular speakers.
2- Turn remote control knob to the mid level between min and max.
3- Measure the blue wire where you spliced to ground to see if you have 12V, if it is not then the problem is right there.
4- Measure the Red wire power from the Amplifier to ground ( the bolt that you connect the negative power to see if there is 12V, if not trace back to the Fuse that you inserted between the positive terminal of the battery and the wire going through the firewall to correct it.
5- If you have 12V at step 3 and 4, then you have a defect unit, return it to the manufacturer for a replacement.

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1 Answer

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sounds like the amp gain is too high, grounded incorrectly, or the amp is bad. the ground wire should be no more than 2 feet long.

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2 Answers

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With your multimeter set to DC volts, the black meter probe on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red probe alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

Let me know if you have any other questions.


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1 Answer

Powers isnt turning on but everythings hooked up?


Check the fuses. If the fuse is bad the amp's power supply is burnt. If the red light stays red and never goes green then your amp is in protect mode and the output section is burnt.To test for rem. problem just use a jumper wire (paper clip... or whatever)to jump from +12v power to rem. If rem. wire has no voltage when your radio is turned on that will make your amp come on. then look for the fuse in the rem. line. Good luck !

barneyluc

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1 Answer

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If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, do the following. I'll assume that you've checked the amplifier's on-board fuses.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

Disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it remains in protect mode, the amp almost certainly has shorted output transistors and will need to be repaired.

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1 Answer

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If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, do the following.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

If the voltage remains near or above 12v, disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp almost certainly has shorted output transistors and will need to be repaired.

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