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Volume control pin broken connetting to the woofer

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Posted on Jan 02, 2017

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SOURCE: Broken volume and tone remote cord for the SoundSource 3200 Seies

Hello,

I just need a new connector cord as described. I was hoping I could buy a new one.

But it looks like I will have to take it to an electrical fix it shop somewhere to see if they can fix the pin connector.

Thank you.

Posted on Feb 03, 2009

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SOURCE: I am looking for a replacement of the volume

y do u opt for a replacment ? y dont u buy the cable its available at computers stores

Posted on May 29, 2010

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1 Answer

I have a MTS surround sound system and when i put the volume up the woofer turns off. whats wrong with it? and how can i fix that


Seems you are over driving the unit and causing it to overheat and the protective circuits are kicking in. U need a more powerful system to play at the volumes you want.

Aug 26, 2017 | Audio Players & Recorders

5 Answers

Broken connector in subwoofer connection on receiver


The only thing you do is to open your receivers,then locate the output connector if you see the female RCA jack ,then push it out the broken piece ,that's it

Jul 27, 2008 | Audio Players & Recorders

1 Answer

Is there a way to use the Altec Lansing VS4121 Subwoofer as a stand alone?


Normally these low end systems components that depend on each other and cannot be interchangeable from other system. So if one of the components (sub woofer or right control satellite speaker) breaks or gets lost the whole system is unusable...
I was in the same situation. Got a sub woofer from VS4121 without original satellite speakers. I acquired satellite speakers from Altec Lansing 251 which used same connectors but the internal wiring was different and incompatible out of the box. Speakers are also glued together so it is impossible to open without damaging it. Not to mention there is no service documentation anywhere..
But if you like electronics you can try to make something based on the information bellow:
Altec Lansing VS4121 connector pinout
If you take the male connector (from right satellite speaker) and look at the pins and number them first row from left to right pins 1-3, second row pins 4-7, the bottom row pins 8-9 and the circle enclosure as 0
0 - Ground
1 - Speaker Right
2 - Treble (seems just like voltage control but may need to be confirmed: Min=0V; Max=voltage from Volume control Pin 9)
3 - Head Set Right
4 - Bass signal (not sure what the exact original design is as I have not opened the speaker) But seems like they use 50K potentiometer and some sort of RC low pass filter configuration. When potentiometer is set to Min it is shorted with ground. When set to Max it is taking signal from Right and Left Head Set (pins 3 and 5) combined through some larger resistors and low pass filter.
5 - Head Set Left
6 - Ground for Head set (grounds 0 and 6 seems to be connected in the subwofer but within the right satelite speaker they seem to be isolated with separate leads to sub)
7 - Power ON/OFF. When OFF or head set jack plugged = 0V; When ON and head set jack unplugged = 5V
8 - 5V Power in
9 - Volume (min=0V; max=5V). It seems they use 50K potentiometer but probably anything >10k should work.
At minimum for standalone sub woofer you will need to implement:
- Power On.Off (switch between pins 8,7)
- Volume control (50k potentiometer (probably anything beteen 10k and 50k will do)between pin 7 and 0 with variable output to pin 9
- Bass control - join two resistors R (I used 7k) and lets call this join point A. Attach other ends of the resistors to pins 3 and 5 respectively. Attach 50k potentiometer (I used 10k) between point A and ground 0. Attach Variable pin of the potentiometer to pin 4 (Bass input signal). Attach capacitor C between Pin 4 and Ground pin 0 (I used Electrolytic 1uF with negative end to ground) . Resistor R and capacitor C should make simple passive low pass filter (Google for formula) that should bypass anf frequency higher than 80-120Hz to ground and feed frequencies lower than 80-120Hz to pin 4.
PS: I managed to hack 251 control satellite speaker to somewhat work with VS 4121 Subwoofer but that is another subject. All electronic parts were salvaged from old broken TV so total cost was $0 but took several days of tinkering for speakers that I could buy used for $10-20 :)

Jun 25, 2012 | Altec Lansing VS4121 Speaker

1 Answer

Sharp ht sl50 sound bar and woofer no volume control


you need to connect the sound via the scart lead plug ,on the polug if you connect the sound to pins 2 and 6 for the channels and 4 is the earth or dround but check it out with a scart diagram as i cannot remember correctly and i just looked for my chart and cannot find it as its been a long time since i was involved in setting up satalite/video/TV euroconector cables .

Dec 26, 2011 | Sharp Audio Players & Recorders

1 Answer

I have a 200w Paradigm subwoofer that recently started a nasty feed back that sounds like an automatic machine gun. Is it a connetion problem or a something else


Do you have a habbit of turning your woofer up louder than listening to "clean" music? As you turn up the volume almost to the maximum, you should notice when the "clean" sounding music turns to "not clean" sounding music. Also known as "distortion". That "distortion" is actually your amplifiers inability to play louder than that point. When you turn up the volume past the point when the music sounds like it is "unclean" sounding music, your amplifier is pushing instructions to your woofer, but the woofer can't handle all the extra instructions and is damaging your woofer. And hense, over time, you can damage your woofer beyond repair.

If you can't find a loose connection, there are only 2 other possibilities. You wore out your amp. Or, more likely, you wore out your woofer. Or......Please, no......not that.......possibly both. Amps can be sent to the manufaturer for repair, but check craigslist before you spend on repair. I would focus on the woofer possibly being the worn piece. A high end audio shop will gladly take $15-30 from you to test your woofer and amp for you.Just tell them what you hear. They can also check all your connections for you.

Good luck.

Nov 14, 2010 | Audio Players & Recorders

1 Answer

Broken volume and tone remote cord for the SoundSource 3200 Seies


Hello,

I just need a new connector cord as described. I was hoping I could buy a new one.

But it looks like I will have to take it to an electrical fix it shop somewhere to see if they can fix the pin connector.

Thank you.

Feb 02, 2009 | Manhattan (168670) Computer Speakers

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...

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