Kenwood hac 9152d, was working fine now doesnt output any sound
The red light is still on so its not blown, its still recieving signal from the head unit and th sub isnt blown as i hav tested it with a standard speaker and still doesnt make any sound, it was working fine and then when i wasnt listening to loud music or anything it jst went off
everything is still connected fine and no adjustments have been made, help please, thanks.
Re: kenwood hac 9152d, was working fine now doesnt output...
Check the fuse on the amp.
My girlfriend had the same thing, light was on, no sound whatsoever. The fuse on the amp had blown, but I'm guessing some current must have made it through to just put the light on. Make sure you have a 40 amp fuse in it, that's what it needs.
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You will need to connect your speaker outputs from the head unit to the high power inputs on the amplifier. If the amp only has low power inputs(rca jacks) then you will need to get a device that lowers the output signal from the radio so the amp can be connected. The red wire will go to the switched power. The yellow will go to constant power. Black goes to ground. Now the blue wire is the signal the amp gets from the stereo to turn on. Your stock stereo will probably not have this ability so you will have to hook that wire to the switched power. Your amp will come on whenever the key is on...even if the stereo is off. If your stock stereo has a wire that sends out a power signal when it is turned on you could try that for the blue wire. Just make sure you have the negative battery cable on the car disconnected so you don't short out your vehicle's electrical system while installing the amp.
your amps rem wire is hooked to the power antenna wire on your head unit and so when you turn off the radio you would nolonger need an antenna so it powers down and would lower the antenna.Depending on the head unit you should have one output for the power antenna and one for the amp rem......If your head unit doesn't have the rem output you can wire it to the switched wire that powers your head unit but keep in mind the amp will stay on while you have the key in acc or run position even if your head unit is off. hope this helps!
I had a similar problem with a KAC-X812D Kenwood amplifier. My problem turned out to be that the RCA inputs were so sensitive, they picked up interference from my head unit through the RCAs. I replaced the head unit with a newer model, and had no problems after.
Most of the time if the red light is on the amp is no blown but some times it does this cause the subs are hooked up in the wrong way. If the amp is only 2ohm stable and you hook the subs up to it at 1 ohm than the amp will not work so I would check this frist.
It sounds to me like you may have burnt a trace off of the bottom of the circuit board inside the amplifier. If you know how take the amplifier apart and look carefully at the traces. To be clear the traces are the lines on the bottom of the circuit board not the component side. Look carefully they can sometimes be hard to spot. If you find one solder a jumper wire across the two points. If you take the amplifier apart take care in treatment of the output transisors along the sides.
Sounds like you got the wrong speaker load by either parralleling some speakers or else you bridged the outputs in such a way to create the wrong speaker load or maybe all of the above. In short, it sounds like you have blown at least one of your output channels and its time for a trip to the repair shop. I suggest you disable your amp at once so that it doesn't do any more damage to itself.