Question about Dell HK395 Computer Speakers

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Dell HK 395 Speaker System - Need Circuit Diagram Download

It would save me a lot of time if I had a circuit diagram.  Traced stereo inputs to card connector OK.  One channel "gets lost" somewhere on the board (speakers themselves OK).  Can anyone help with a pdf or jpg file?

Thanks,

Lou

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  • tom_mort Mar 30, 2009

    Did anyone get an answer to this. I need a diagram too

  • Anonymous Apr 05, 2009

    I just have the sub and would like to use it with the speakers I have

  • raggar May 11, 2010

    if you are not able to fix the problem and end up replacing the speakers, please don't throw them out. I would pay you for the orange plug on the right speaker connecting to the subwoofer as I need to replace this plug on my hk395 system and can't seem to find any shop that can do this.

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1.  Check the orange multi-pin connector the sufwoofer for a broken or bent pin.  If there is a broken pin you can bypass it by cutting open the cable jacket and tap onto the affected wire with a 6 inch or so jumper, and then attach a jumper to the appropriate point inside the subwoofer.  Pass the subwoofer jumper out of the case (drill a small hole) and connect it to the jumper you added to the cable.

2.  Try wiggling and rapidly rotating the volume control.   There are reports this control may become a problem as it ages.

3. I haven't been able to find a schematic.  My only recourse was to google the output amp and the 2 op-amp packages for data sheets.  They are readily on the internet.  Then I laboriously traced out the stereo paths.  I found that red and black fine tip felt pens were helpful in marking out the signal paths through the circuit boards.

Posted on Aug 16, 2009

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Posted on Jan 02, 2017

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