Question about Jensen 100W x 4 Amplifier KA5 Car Audio Amplifier

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Please help me!!

I just bought a vrcd400-sdu. I am installing this myself, all of the wires are clearly labeled, when I turn the stereo in I get no sound, everything seems to work but the sound, I double checked all of the wiring, I can see which ones are the speaker wires, they are all connected correctly according to the lableing all of the pos are connected to the pos and neg are connected to the neg... do you have any suggestions?

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Bwqueen-What type of vehicle are you installing it into,cause some vehicles have built in factory amplifiers.The ones with factory amps need a remote turn on to power up the speakers,let me know and I'll try to help you. cooltek Mar,4/08

Posted on Mar 04, 2008

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1 Answer

How to install kicker amp to a 1995 f-150 new


nice radio bud. also want to say that the kicker amp will take the input from the stereos rca subwoffer out port on the back of the stereo, i have read about your radio before answering your questions to ensure acuracy.

Taken Directly from your manual


Press and hold the SEL button until LCD display “DSP OFF”. Press SEL button again and LCD display “WOOFER OFF’. Rotate volume to activate the subwoofer control function, then leave the unit idle for your desired setting to take effect. Make sure the unit is connected to an external amplifier.

RCA Line Out

The RCA Output Jack is on the back of the
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izer, or other audio component that requires
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The Subwoofer Output Jack is on the back
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on page 8 of 22 on this ebook illustarted the proper wireing configurations for an aopmilifier. note: the remote wire must be conencted to the radio to the amp remote to allow radio to trun amp off and on good luck.

http://roadmasterusa.com/manuals/VRCD400SDU_eng.pdf&ei=AXyQSuzaC5KDlgfU8_jQDw&sa=X&oi=spellmeleon_result&resnum=1&ct=result&usg=AFQjCNG7aejdBV5Ravpq7UarpMzCSGBP2A

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How do you install it correct


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Remember also to set your HU's output in order for it to work. If it does not work yet please give the details on your HU and other devices being used.

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email the maker of the unit and ask for one

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Jan 04, 2008 | Jensen 100W x 4 Amplifier KA5 Car Audio...

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I need a vrcd400-sdu modular plug diagram


I had to rewire my whole thing but i got all my wires right.
NOTE:this is if you are looking directly at back of the unit

x fl rl rr fr x R Y RCA-in sub-out Antenna
O O O O O O O O + O-white O-white O
x fl rl rr fr x B
O O O O O O O O - O-red O-red

X= not used
+= positive wires
-= negative wires
fl= front left speaker
rl=rear lrft speaker
rr= rear right speaker
fr= front right speaker
R= red power (ignition) wire
Y= 12v memory
B= chassis ground

im pretty sure thats about it if your having trouble reading this email me at Advan_sand@yahoo.com im more than glad to help cause i know how it is trying to figure all this stuff out .

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1 Answer

VRCD400-SDU


Hi Theaternut,

 

Best guess is that your source button or whichever button changes from cd, to Tuner, to usb, to Card, is shorted, and needs cleaning.  Its like the button is always pushed.

 

see if you can carefully dsiassembly the reciever to get to the circuit board behind the button I speak of, and clean it.

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5 Answers

LED turns on, but power light doesnt and there is no sound coming out of it.


it sounds to me like you have a bad ground or a short in the ground wire. try checking the ground cable as well as theremote wire (blue), and make sure the ground is connected to an unpainted,clean surface such as the frame of your car.

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does your usb device use batteries,some device require.

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