Question about Kenwood KDC-135 CD Player
No audio output...power ok...change stations ok....cd spins/no output......installed by someone else....blue/white wire from car to wiring harnes broken/fixed....still no output......speakers are ok...car is a 1996 VW Jetta......find two wires loose (1 orange/white...one red/white.....not from harness.....seems there is either a problem in the wiring or in the audio output from the radio.......is there a way I can check to see if the audio output is ok or if the problem is actually in the wiring? is there an anti-theft code required for this radio ? is there possibly a mute buttom i'm missing ? many thanks
Hi check with a multimeter each speaker output, you should have 6voltsa on each connection. if any have either anything other than 6volts then there is a good chance that your power output stage is blown. some unit do have diode protection. so it may not be as bad as it seams.
as a rule you should get half the supply voltage on the speaker outputs.
Posted on Feb 25, 2008
Make sure none of the speaker+/- wires are contacting each other. if even one of them does, most likely all the sound will cut out to protect the internal amplifier. Other than that, the blue/white remote wire is most likely your problem, if the car has some sort of factory amp thats the wire that tells it to turn on and let sound through. its possible that the outputs of the deck are bad, try checking it with a test speaker or in another car
Posted on Sep 21, 2007
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Posted on Jan 02, 2017
hello chevi1981..what can happen is if whoever installed your system did not run your speaker wires properly eg if they have worn through and touching metal or a screw through the wires ,it can blow the audio ics in unit resulting in no sound.all these high powered units have above ground circuits in the audio stage .to check ,hook up a separate speaker direct to your unit,separate wiring ,if no sound, will most likely be the intergrated circuits..these will have to be changed by a tech as cd players are a beast to work on,also your 2 speaker wires should not touch one another.with your sec code if your have a removable face you may not have a code ,as removing face is your security .hope this helps
Posted on Feb 08, 2008
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