Question about Nu Mark Numark Cd-Mix-2 Dual CD Player/Mixer Combo - Good CD Player

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Cd mix 2 dual player will not turn on

Player is plugged into receptacle will not play

Posted by Anonymous on

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Power supply problem

Posted on Aug 09, 2014

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Posted on Jan 02, 2017

MARR
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SOURCE: one of my cd players on my numark cd mix 2 dual dosent want to play the cd...

its basically cleaning the optical lens,but thats so technical and risky to uncover the mixer and clean the lens manually,use cd cleaner locally available in electronic store..

Posted on Jul 03, 2008

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What is a eletrical source


An electrical source is the place that electrical voltage and current can be supplied for your use, I.E. Plugging a toaster in wall receptacle , plugging a cell phone charger in the wall receptacle and the cigar lighter receptacle in your car being used to power your portable CD player.

Dec 18, 2013 | Computers & Internet

1 Answer

Have a Denon DN-C635 CD player . Replaced motor spindle / laser assembly (plug and play part assembly from Denon $45 old price $151) It loads disc , voice coil moves laser lens up and down but spindle...


Dave, Holding the motor spindle / laser assembly in a position where the white ribben plug in receptacle is facing in an upward position, look down to the lower left hand corner of the print board just under the plug in. You will see a small blob of solder bridging two contact points. Remove this solder bridge. I have found two new Denon assemblys with this problem.........*****

Mar 11, 2011 | Denon DN-C635 CD Player

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Using my Acer CPU, I successfully plug in the speakers to the green receptacle. Works find. But should I be able to connect a second set of speakers in another room, run in the wire and plug into one of...


the green plug is for sound OUTPUT (to speakers with an amplifier), the blue is for sound pre amp INPUT (like a MP3 player or a any other device like an old 4 track casset WALKMAN player) the pink one is for a MICROPHONE INPUT, the black is for a surround system OUTPUT, and the yellow is for a digital OUTPUT all for a surround 5.1 system, so you have to look closer you will notice some difference in the icons stamp in the back, green has a sound wave symbol with an arrow going outwards the pink one has a sound wave symbol with a MIC symbol, the blue has a sound wave symbol with an arrow going inwards, the black and the yellow has a sound wave symbol with a digital symbol

conclusion... you can use the green OUTPUT to feed to one amplifier, if you want to feed music to multiple amplifiers you need a SOUND MIXER with at least two outputs, you can buy a chap sound mixer for about 20$, go to your local electronic store and EXPLAIN EXACTLY WHAT YOU WANT TO DO and they will sell you exactly what you need...

Hope this helps!

Good luck!

Feb 22, 2011 | Acer 90.00012.30B Computer Speakers

2 Answers

I have to jiggle the charger of myi HP Pavilion to get it to work....and then if moved will not stay plugged in --would this be expensive to get it fixed?


Very.

Generally speaking, when this occurs it is usually because of stress that has been put on the jack when plugged into the computer. Picking up and putting down, laying things on the plug, lots of plugging and unplugging

This affects the receptacle, soldered to the motherboard of the laptop in one of two ways.

-The conductive surface in the receptacle is clearanced to a point where the inner or outer power plug surfaces cannot contact. In a few cases, if you have properly powered down, removed the battery, and let residual charge in laptop dissipate, one may attempt to use a small non conductive tool to push the outer contact surfaces back into a position which will allow contact. Be very patient and cautious if you try this approach as the second possible affect of undue pressure is-

- The plug receptacle being soldered to the motherboard undue shock or stress can and will decouple the receptacle from the motherboard power buss. Again with the non conductive tool, if you can wiggle the receptacle around inside the laptop shell this may be the case.

If the latter is the issue, generally speaking this is not something that can be home remedied. Soldering on a circuit board may be done by a skilled technician at a reputable repair shop. Receptacle decoupling may not be an issue as later model laptops have been built with provisions for a certain amount of play in the plug receptacle.

Jan 06, 2011 | HP Pavilion dv7-1132nr Notebook PC

1 Answer

I purchased this mp3 on 11th devmber. the music is not getting through to the headphones - can you help? is it powered by a battery & is one included as standard?


Hi mharrington9,

You may want to post the make and model of your mp3 player. Someone may have solved the same problem with the same player, and would then be able to give you a more specific answer than this one;

I assume you have replaced or re-charged the battery first, and that full power to your player did not help. If so, it is likely to be a problem with the headphones, the headphone receptacle, or the amplifier inside the mp3 player;

1) Headphone problem?
Get a different set of ear-bud headphones, and try them out. If the alternative set works but your headphones do not work, it's the headphones.

1a) Large headphones, small player?
If your headphones are large, but the power of your MP3 player is small, the player may not have enough power to drive the headphone speakers. If you run your MP3 player through an additional amplifier, you may then have enough power to get sound out of your headphones.

1b) Broken wire in ear bud jack?
Most of my broken ear-bud sets have failed because one or more of the wires has broken, usually at the plug-end. There are 3 thin wires; If you break the left-channel or right-channel wire, only one earbud goes out. If you break the ground wire, both earbuds stop working, or you may hear a very faint sound at full volume. If you like to solder things, it is possible to get a new plug, cut off the old one, and solder in a new one. But it may be easier to get a new set of earbuds.

2) Broken Receptacle?

Plug your ear-buds into a different, working MP3 player. If the ear-buds work, then
Plug your MP3 into a computer through the data cable, and try to play something through the computer.
If the MP3 works through the data cable, something is wrong with the receptacle for your ear-bud plug.
You may be able to get your MP3 player replaced under warranty, since the purchase was recent. Or, if no warranty and you feel adventurous, take the back off and try to re-solder or replace the receptacle-- Though this usually ends in irreparable damage to the MP3 player :-\

3) Broken MP3 player?
If you can't get any music to play through the data cable or the computer, something is seriously wrong with the guts of the MP3 player. Try for a warranty replacement if you can.

Best of luck, mharrington9

Dec 12, 2010 | Audio Players & Recorders

3 Answers

My view screen onmy sony dvp 820 player went blank even though i can still play cd's


If your unit is out of warranty as was mine, I removed the battery, removed all the screws from the bottom side of the player, to gain access to the inside components, and reseated (unplug & re-plug) the LCD Screen's connector to the main system board and corrected the issue.

The only issue I had in doing this was finding all of the screws! You will need to remove all of the rubber pads from the 4 corners of the unit, and also remove the warranty validation sticker that covers one screw. Once all of the screws were removed the bottom lifted off of the unit easily thus providing access to the components inside.

The LCD Screen's connector is what feeds the signal from the player's video output to the the screen. For my unit it was a small white rectangular plug that had several wires attached to it. This plug fits into a receptacle on the main system board.

I guess with all of the movement of the screen that this unit provides the connection had worked lose over time.

I hope this helps!

Apr 28, 2010 | Sony DVP-FX820 DVD Player

1 Answer

When playing an ipod or laptop with my numark cd mix 1 is sounds distorted. What could be the problem. Both are plugged into the aux


I would start with the audio jack that you are using from the ipod/laptop to the numark it could be falty. Try also a couple of other audio players and see if you are getting the same results... the plug in on your numark my be faulty or dirty to where you are not getting a good connection to the machine. Hope this helps

Oct 17, 2009 | Nu Mark Numark Cd-Mix-2 Dual CD...

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