Question about Dell A525 Zylux Multimedia Computer Pc Speaker System W/subwoofer 2.1

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Dell zylux multimedia computer speaker system powered subwoofer model a425

Posted by Anonymous on

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Posted on Jan 02, 2017

petrillaa
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SOURCE: I have a Dell/Zylux A425 2.1 audio system for a

It seem your amplifier doesn't work, nothing to do with your computer, you can check with any other source lik eMP3 player, etc. If you take apart the box, there are some SJ4558 dual opamp. In my panel three of them were not working. Check if they are working or not. TDA 8947J is the power amp ic, download the datasheet.
You can also check the input PINs there are article about it.
After I replaced the 3 bad opamp, worked fine like new.
2_16_2014_9_11_31_am.jpg

Posted on Feb 07, 2013

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Schematic Diagram for A425 amplifier


Did you ask Dell for help? Just don't hold your breath - they would rather you get a new one from them but U can try. If nothing, check it out on Google - might get lucky!

Aug 29, 2015 | Dell Powered Subwoofer Set A425 Computer...

Tip

DELL A425 SUBWOFFER PINOUT


CABLE PIN OUT
PIN 1 SPEAKER 1 PIN 5 SPEAKER 2 PIN 3 INPUT 1
PIN 4 INPUT 2 PIN 8 EXTERNAL VOLUME CONTROL PIN 2-5-7-9 GRD
PIN 8 MUST TO GROUNDED FOR MAXIMUM VOLUME OUTPUT

on Jun 25, 2014 | Dell Zylux Powered Subwoofer - P/n A425

1 Answer

I need the millivolt output recommendation


You are talking about a Meter to measure the Voltage and Amperages. If you do not have one; and need to measure the power, current, or resistance values; take the speaker to Radio shack and they will do it for you.

Jan 17, 2014 | Dell A525 Zylux Multimedia Computer Pc...

1 Answer

I have the sub woffer only would like to use on my comp


No problem....just plug the subwoofer into your Green Port on the computer sound section. The Right and Left channel will merge into a monaural sound and come out of the speaker as if you were listening to music from a radio.

Dec 16, 2013 | Dell A525 Zylux Multimedia Computer Pc...

1 Answer

Wireing diagram for Dell A525 Zylux Multimedia Computer Pc Speaker System W/subwoofer 2.1


pin 1-G
pin 2-R in
pin 3-L in
pin 4-PG
pin 5-R out
pin 6-ST BY
pin 7-VC
pin 8-L out
pin 9-PG

Sep 26, 2012 | Dell A525 Zylux Multimedia Computer Pc...

1 Answer

Dell a425 disassembly


I found this URL for you that shows a Dell forum where you could probably get all the info you need. It also has specifications for all the internals should you need to replace something. Good luck and be safe. I learned to hate capacitors a long time ago. :-) http://support.dell.com/support/topics/global.aspx/support/kcs/document?c=us&l=en&s=gen&docid=DSN_E876EF53BCA3F058E030030ABD6260B2&isLegacy=true

May 23, 2012 | Dell Zylux Powered Subwoofer - P/n A425

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