Question about Roland MA 8 Computer Speakers

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It seems that my volume control has a short

When i wiggle it.. the right speaker works or the left will work and the right one will stop... Is there an easy way to check the connections on the inside.

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  • Anonymous Dec 31, 2008

    same problem

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2 Answers

9 pin diagram altec lansing


can anyone help me with the Altec Lansing VS4121 2.1 Channel i need the wiring diagram of 9 pin cable i broke it. please mail me the layout at maurya.mohit07@gmail.com

May 20, 2012 | Altec Lansing VS4121 2.1 Channel Powered...

1 Answer

Left speaker is not working on my 2.1 speaker system...


A few things can cause this to happen. First we should check the computer. Take a pair of headphones or other speak set and check if sound comes from both sides. If to then the computer output is correct, else the computer is channeled to output to one side.

To change sound settings, if this is windows, go to your control panel and look for sounds option. In there you can change speaker settings, change volumes. On the volume control you can balance the speaker output. center the slider to make both correct.

If sound is coming from the PC correctly with a test object you will need to check your speakers for a fade option, not many have this it is just a suggestion. If no fade option exists, make sure the plug is totally seated. Improperly seated plugs will cause only 1 channel to be outputted or none.

If all the above does not help then check the cabled leading form the computer to speakers for damage as well as checking the wire between the left and right speakers for damage. Many times the output lead from the right to he left gets damaged from stress or other things and will stop output. Wiggle and pull the wire gently in each direction if they don't physically look damaged to see if sound is produced. if it is then the wire is internally damaged or loose from the speaker.

good luck

Mar 14, 2010 | Altec Lansing Computer Speakers

1 Answer

Right speaker without controls has stopped working.


plese change the wires and try the permutation and combinations.this wil lead to find out if the fault is in wire or in the port. this is purely a hardware fault.

Jul 29, 2009 | Logitech X-230 Computer Speakers

1 Answer

Labtec LCS-2424 speakers: left speaker stopped working


I have the same problem sir, only the speaker with volume
control works. Earlier I used to twist the volume control this
way and that way to get the sound from the other speaker also.
Now the same technique doesn't work anymore.

Jun 27, 2009 | Labtec LCS 2424 Computer Speakers

2 Answers

JBL Creature Speakers have very low volume


use another device like your i pod to make your jbl sounds louder and then plugged it to your pc without turning it off. after plugging try to test it if works.

Apr 02, 2009 | JBL CREATURE II Computer Speakers

1 Answer

Only one speaker working - acer computer speakers


1 step: kindly check the connection of the left speaker if it is plugged to the right speaker properly.
2 step: Then check the balance under volume control if it has been set in the middle.
3 step: If possible check the speaker on some other device(cd player etc) other than your pc and see if the left speaker still doesn't have any sound.
if so kindly replace them

Jan 27, 2009 | Acer (90.18612.36B) Computer Speakers

1 Answer

Strange problems with Z-2300's


I'm having this same problem and have sort of solved it with a really wierd technique I found at Logitech. Evidently this problem is related to the control pod rather then the RCA jack. Try this:

Unplug the control pod from the subwoofer Turn off the main switch Turn the volume knob one full turn, tap the knob Repeat again (2 times) Replug the control pod Turn on the main switch and the control pod See what happens

I found that this got the speaker working finicky after it was almost totally useless. It seems to be cutting out randomly, but fidgeting with the control pod or it's connector jack fixes it. No clue what the deal is here, but your problem is identical to mine so take some time to screw around with these components with music running so you can hear if it suddenly works.

Nov 12, 2008 | Logitech Z-2300 Computer Speakers

5 Answers

One Speaker Stopped Working


I too had the left speaker malfunctioning. Luckily, i had the curage to open up the speaker and look into the problem. Before that i checked to see if the input inlet to the amp worked by plugging in the right speaker in the left input inlet. I was able to hear the speaker. If you get that response, then the left speaker is the problem. So i went ahead and opened up the speaker. Do this by taking off the fabric cover. There are those little hose plugs you need to take off with a philips head, just wiggle them out. Unscrew the 4 screws. Use a blow dryer around the edges/sides of the face of the speaker to loosen the hot glue holding the cover together. Once the speaker is warm, try prying off the cover. You can maybe use a flat head screw driver to do so but with gentleness or else you'll scratch up the speaker. So once you have that done, look at the terminal(wires that are soddered to the speaker, to check if connected to speaker. if they are not connected, then you would have to soddered them. If everything is intact, then try moving the little plastic piece connected to the speaker, opposite end of that is the possittive and negative wires connected to the cone. I scrapted/moved around the wires being careful not to puncture the cone with the screw driver to check to see if they were making contact with the terminal. I then connected the plug into the amp and fortunately i could hear the speaker once again. I hope this made sense and worked for you. I was glad this worked cuz i truly love the sound of Z-2300 system for the THX certified sound.Sure glad i didn't have to buy another set.

May 20, 2008 | Logitech Z-2300 2.1 Computer Speaker...

3 Answers

Need wiring and 9pin connector diagram


Dell (Altec Lansing) A425 Subwoofer Pinouts

This is a standard female DB-9 serial port.
Here are the pinouts.

Pin 1 = Left Speaker Out +

Pin 2 = Left Speaker Out - (Common Ground)

Pin 3 = Left Line In +

Pin 4 = Right Line In +

Pin 5 = Left/Right line In - (Common Ground)

Pin 6 = Right Speaker Out +

Pin 7 = Right Speaker Out - (Common Ground)

Pin 8 = Power A

Pin 9 = Power B

Jumper (short) Power A to B to turn on.
If you want a volume control you need to put one on the inputs. You will buy buy a stereo volume control or potentiometer.
Here is some info on how to do this.
http://g4tv.com/screensavers/features/43665/Pump-Up-The-Volume.html

Cheers!

Mar 27, 2008 | Altec Lansing ADA425 3-piece 30-watt...

5 Answers

Only one speaker working


Even I have faced the same problem for the past six months.. Today i have fixed only issue with the back jack.. removed slowly and fixed it tightly.. it's works. :)

Oct 06, 2007 | Harman Kardon HK206 Computer Speakers

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