Question about Kenwood KDC-MP228 CD Player

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Cd player plays, but no sound comes out of speakers.

I hooked up subs and amp in my truck. I ran the remote wire to the battery to test them and they worked fine. I then tried to run the remote wire to the back of my head unit and that did not power the amp. So I spliced the blue/white wire in the wire harness and connected the remote wire to this. This did not power the amp either. So I spliced the red wire in the wire harness that runs from the battery. I connected the remote wire to this and it did not power the amp. The next time I tried to play my cd player, it would play but no sound would come out of any speakers, even with my subs disconnected. Did I blow a fuse or wire somewhere?

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Look at the enwood. I bet you have the remote wire hooked to the blue wire insted of the blue/white wire. The blue wire goes dad when you play a cd as it is for a power antenna. The blue/white wire is your amp turn on.

Now, if you do not have a blue/whie and only blue, then obviously that circuit in the radio is bad in whch case your only other option s are either connecting it to an accesory fuse or using a toggle switch connected to power.

Larry T
Winona Lake, IN
http://www.cybersoundsaudio.com/cybersounds/vehiclepics.html

Posted on Jan 28, 2009

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zenglish87
  • 5 Answers

SOURCE: cd player plays, but no sound comes out of speakers.

first off the amp gets power straight from the battery. the amp is used to power the subs. the subs are suppose to be connected to the amp only( never the speakers).

for the second part you mostlikely killed the wires. you should get some one to look at it and check the wires. thee speakers might need to be re-wired

Posted on Feb 01, 2009

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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1 Answer

My pyle dvd player has picture but no sound it plays through the subs but not the speakers


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When the radio is on the sound comes out of all the speakers. when the cd player is on the sound only comes out of the sub woofer


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Is there a wiring diagram for the nikkai EAPA450 Amp


Hi, if you still need a photocopy of instructions email me mail@srands.co.uk

If you want instructions in brief this involves POWER CONNECTIONS, PHONO LEAD & SPEAKER CONNECTIONS:

POWER (At the same time when routing these wires, I would connect the PHONO LEADS from the car cd player to the amp, if your car cd player only has 1 preout (1red & 1 white) then you will need two phono splitters, a female to 2 males. Phono leads carry the unamplified sound from cd player to the amp):
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~ GrouND 12V- (Insulated lead (20a to 30a) to nearest part of unpainted car chassis such as interior panel screw hole, instead of an insulated cable all the way from the batery, this is common practise.

SPEAKER:
Each speaker has a - negative & + positive, these must connected correctly. The amp has 4 channel, 2 channel labeled as front, 2 channels labeled as rear. Using speaker wire, connect cable from amp to speakers. Note: Ensure the speakers being connected only receive sound from the amp (Not cd player as well, as would damage players or at the very least impair sound)
The amp has a feature called bridgeable this means a sub 8" or 10" sub can be powered by 'bridging' two channels. For example there are 2 ways to bridge power a Sub on the NIKKAI EAPA450:
i) Sub speaker wire positive + to channel RL and Sub speaker wire negative - to channel RR.
OR
ii) Sub speaker wire positive + to channel FL and Sub speaker wire negative - to channel FR.

Switches:
~ Bass boost, meant to be on for a channel if using sub, otherwise off.
~ X-over mode adjust hi/lo frequencies, only work if both x-over switches are on! Then adjust switch frequency knob, until it sounds right.
~ Gain (Volume knob) adjust volume knob up or down, until it sounds right!

NOTE:
You will need patience! many hand tools and parts such as: Wiring kit, fuse holder 20a/30a, Phono leads, speaker cable, Fork/ring connectors, wire strippers, wire cutters, set of screw drivers, also ueful to have zip ties to tdy excess cable and 'P' cable clips to tidy speaker wire to shelf, etc.

OK

Any more questions just email me mail@srands.co.uk

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2 Answers

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1 Answer

Cd player plays, but no sound comes out of speakers.


first off the amp gets power straight from the battery. the amp is used to power the subs. the subs are suppose to be connected to the amp only( never the speakers).

for the second part you mostlikely killed the wires. you should get some one to look at it and check the wires. thee speakers might need to be re-wired

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Wiring


1st make sure your amp is coming on. Use another speaker that you have heard play to test it.
Next test the woofer with a 9 to 15 volt battery. Touch the battery leads quickly across the + and - on one side at a time. The speaker should move and make a pop on both voice coils.
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