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I have a Panasonic CQ-C8100U Stereo. Was working fine then the auxiliary jacks stopped working. I Can power down then it sometimes works then doesn't once the volume is turned up past 13. Any suggestions?

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  • Contributor
  • 54 Answers

Hi robert. if your aux jack is mounted on the front of the face then i assume you have a problem within the face, maybe a cracked pc board, a switch which has lost its "click" feel, or even dirty gold face contact pins. also make sure that none of the 8 speaker lines is touching/shorting to the ground level. lastly have all your speakers checked independantly. cheers.

Posted on May 05, 2013

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Posted on Jan 02, 2017

techman
  • 3130 Answers

SOURCE: Panasonic cq-c8303u Car stereo problem

There is for sure a hook up problem my friend. There should be a memory wire that always has power to it even when the car or the ignition is off. Then there is a switched type wire that only comes on when the cars ignition is on. Check both of these wires in the car. Check the car wiring diagram to confirm this. To confirm the wiring in this vehicle, I Good Luck with this install. And if all else fails, don't take a chance and blow out the unit, take it to a pro to be installed. Good Luck found the right wiring diagram for your car. Confirm this wiring diagram with this one you have. Go here:http://www.the12volt.com/installbay/stereodetail/955.html

Posted on Jun 20, 2007

  • 323 Answers

SOURCE: car stereo shuts off

I would try removing the cd player from the dash for that 9 minutes and 30 seconds to see if the cd player has inadequate ventilation, cd player may be getting too hot to function correctly.

Posted on Apr 20, 2008

SOURCE: No sound from CQ-1305U car CD/stereo

connect the panasonic power antenna lead to a power wire

that should do it.

Posted on Jul 07, 2008

etirbynnor
  • 655 Answers

SOURCE: error saying MUTING LV 0

Hello da_redhot_su,

Make sure that the "MUTE" button on the upper left of the volume control is operating properly. Sometimes a button will get stuck.

If that does not work, there's something wrong internally and you need to take the receiver to your audio dealer for repair.

Hope this helps.

Posted on May 08, 2009

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POWERLESS /


Make sure you hooked up power ground and accessory. If you are connecting it just to make that it powers up, ut the yellow and red together and connect them to power at the battery. Connect the black to ground. Make sure the battery has power as well.

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Hi. Locate the connector on the rear side of the plate and clean it with soft towel (and a drop of acohol), so the contacts are shiny. Try the same on the unit. There is also usually an reset pinhole on the face of the unit when the face plate is not on it. Try to locate an press with something thin.

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Have a wiring harness for a CQ-C8100U panasonic CD Player/Head Unit, need a wiring diagram to hook it up to a 2002 Ford Explorer Sport 2 Door


Hello! Since I do not know if your vehicle is equipped with the Standard or Premium System I'll give both sets of wiring...You can identify which system you have by looking at the color of the ground wire...

Red=Standard and Black/Green =Premium


Standard...Constant +12=Green/Yellow...
Switched=Yellow/Black...Ground=Red...
Illumination=Blue/Red...

Standard Speaker
FR + White
FR - Green/Orange
FL + Orange/Green
FL - Light Blue/White
RR + Orange/Red
RR - Black/White
RL + Pink/Green
RL - Pink/Blue

Premium...Only power difference is Ground=Black/Green

Premium Speaker

FR+ White/Red
FR- Brown
FL+ Green
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Guru.....saailer

Feb 18, 2010 | Panasonic CQ-C8100U CD Player

1 Answer

Error saying MUTING LV 0


Hello da_redhot_su,

Make sure that the "MUTE" button on the upper left of the volume control is operating properly. Sometimes a button will get stuck.

If that does not work, there's something wrong internally and you need to take the receiver to your audio dealer for repair.

Hope this helps.

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go to the panasonic website and get you manual and read it and it should get you system right again
its free

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I'm pretty sure that there are RCA jacks in the back of the unit for the aux input. Don't have my owners manual so can't really say, but if there is an aux input, there is sure to be some RCA jacks in the back. So if you take the stereo out, look for those jacks then attach a 1/8 "Y" connector. Then route that wire to the front. Then you'll have something to connect your mp3 player to. =)

Feb 23, 2009 | Panasonic CQ-C5310U CD Player

1 Answer

Scooter stereo


Hi again,

My apologies, missed the connection. Now I remember, must be really getting old.

Back to your concern, which fuse pls? the 15 amps for the Panasonic or the amp"s fuse.

Incidentally, even if the speaker wires were wired incorrectly, that would not cause the fuse to blow. The only way the fuse would blow is if the unit was connected with the polarity reversed, even just once. Internally, most units have a reverse protection diode and/or regulator that would short circuit itself. Thereafter even if it were wired correctly to the battery, the fuse will always blow.

Looking forward to hearing from you.

Aug 05, 2008 | Panasonic CQ-C8100U CD Player

2 Answers

No sound from CQ-1305U car CD/stereo


You may have one of this two problems:
One of the speaker wires is grounded to the chassis.
Or your car may have a factory amplifier between the radio and the speakers.
My suggestion is to rewire the speakers lines

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Panasonic cq-c8303u Car stereo problem


There is for sure a hook up problem my friend. There should be a memory wire that always has power to it even when the car or the ignition is off. Then there is a switched type wire that only comes on when the cars ignition is on. Check both of these wires in the car. Check the car wiring diagram to confirm this. To confirm the wiring in this vehicle, I Good Luck with this install. And if all else fails, don't take a chance and blow out the unit, take it to a pro to be installed. Good Luck found the right wiring diagram for your car. Confirm this wiring diagram with this one you have. Go here:http://www.the12volt.com/installbay/stereodetail/955.html

Jun 19, 2007 | Panasonic CQ-C8303U CD Player

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Panasonic CQ-DF401U


yes alll that problems exactly the same

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