Question about Sony SRS-D21 Computer Speakers
Sub woofer connector broken to table speakers (for A computor)
4 pin connector need wiring diagram to resolder wires earth,red,grey, grreen blue
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Posted on Jan 02, 2017
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.
Posted on Mar 24, 2009
SOURCE: Logitech x-230 speaker system
Ironically enough, I went on here because I have the satellites but no subwoofer! LOL, what are the odds. Anyways, if you happen to receive this information, can you please email me at firstname.lastname@example.org?
Like I said, I'm searching for the same exact information for a similar problem and this would REALLY help as I can't power the speakers without this.
Posted on Sep 02, 2009
That blue wire needs to be connected to both the receiver and the amp. It is what tells the amp to turn on when you turn the receiver on.
Posted on Mar 14, 2010
SOURCE: X-220 cable is slightly damaged
nothing is wrong with the woofer the connect is broken at the strain relief and the cable needs to be replaced.
You can replace the connector if you know the pinouts. You will need the connector and the schematic.
you may be able to find the pin outs configuration here.
As for the connector this may take a search online.
Posted on Aug 07, 2010
SOURCE: The speaker plug at the
here are 2 links to some
photos be very careful if you are soldering any power connectors any join of
solder creates a link to power so if you get it wrong it might short circuit
remember you must have both ends to be soldered clean usually the solder will
have the flux built in although you might buy some soldering flux before you
start you must warm up the ends with a soldering iron and tin them this will
enable the solder to flow on and join correctly
hope this helps
Posted on Apr 22, 2011
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