Looking for schematic for soundstick

Question moved from Misc.

In the link possibly

https://www.google.com/search?q=Harman+Kardon+Soundsticks+II+4+pin+mini+din+cable

..

If you need to replace the potentiometer switch On/Off for SoundStick II HK, follow these instructions:
1. Unplug the SoundStick II HK from the power outlet.
2. Remove the four screws that secure the back panel to the SoundStick II HK.
3. Carefully remove the back panel.
4. Locate the potentiometer switch On/Off for SoundStick II HK.
5. Remove the two screws that secure the switch to the SoundStick II HK.
6. Carefully remove the switch.
7. Install the new switch by reversing the above steps.
I hope this helps!

For the most part volume is controlled on computer, though speakers may have separate volume \ bass \ treble controls. Or, are you looking to purchase?

static from one of my sound sticks

There are FOUR controls that affect the volume of signals going through plus the tone controlling ones.
and your
You used the word "volume". Based on the schematic, and assuming you are talking about the control labeled "Volume" and not reverb, master or drive, I can give some hints.

OFTEN the resistance element in pots MAY have a bit of overtravel which can act like your unit, but USUALLY not as far upscale as yours appears..

If the control you are refering to is not the "Volume" but one of the others, then there are other things to look at.

The action you describe would be one of probablly an inverse signal leaking through and when you go up to 1.5 you are actually cancelling the leakage.

I SUSPECT you may have a cracked circuit board in the vicinity of the input jacks that is leaking the inverse phase of the input past the input triode tube stage.

Board cracks OFTEN occur near input jacks because people trip over cords... (save yourself by running cord through a handle before plugging in the plug)

This should be easy to find. Connect an audio generator to the input and use a scope to find the problem. Without a scope, use a capacitor to "ground out" suspected signal paths.

On the schematic they show a resistor (10 ohms) from ground near the input to the pot bracket. I have personally SEEN capacitive coupling to pot brackets feeding into the amps from this source sending in stray signals.

If this is connected to other equipment, a ground loop could cause problem, so test with nothing but the guitar connected.

Have you tried the volume control on the right hand stick? They go into a mute mode if they are not used and you need to hit the volume button to un-mute them.

You're in warranty. Appers to be a common problem. Soundstixks should either tell you how to fix it or replace your system.

Pannik

First things first:

1) time to change your stick speakers.
2) if got warranty, use it, if not, have to RMS them but I just
counsel you to change for others.

Open Sky

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