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Question about Visonik VB212PKG Car Audio Amplifier

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Broken Potentiometer My vb212 has a broken/missing potentiometer on teh bass boost. I am not sure where I can find a schematic, or just the part. Can anyone help me? The part is called a C2K5X2. I think it is a 2k ohm pot. Any ideas?

Posted by John FInley on

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Contact the manufacturer in the owners manual or from where you purchased the unit from, ask them where or who the manufacturer is. Good Luck

Posted on Mar 28, 2007

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Specifications of the potentiometer switch On/Off for SoundStick II HK

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.
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I hope this helps!

Passive Dean Bass. Simple set-up, 1 volume, 1 tone knob. Turn guitar and amp volume to "10", I get nothing. Other bass works fine so its not the amp or cable. Any ideas?

Broken cable inside, possibly at the output jack?
Or a failed potentiometer (volume or tone)
Pull the back plate off, and have a look at the wiring, Trace it with an ohmmeter to check for continuity at each step.
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I need to get to the speed control to find a broken cord. I can get the appliance apart but cant get the speed control out.

A broken part ? or is only the potentiometer of the speed control thats damaged, but a wire that is broken ? without any force is hard to believe the spring element internally that moves along the carbon track of the potentiometer inbetween the speed control should have lost the contact pressure or only dirthy ?. where the resist for rpm mixing is lost. maybe marketing technical made to order it as a one-part assembly try contactspray in the potentiometer.

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Preamp changing

This is not program/software error. This is hardware error.
Damage is on the potentiometer. usually caused by a bad contact inside the potentiometer. The most common is the preamp-TYPE potentiometer.Faulty potentiometer can also occur in the other,
depending on what we hear, when (suddenly) the bass sound bigger or smaller, it mean that BASS potentiometer was bad.
Potentiometer must be replaced,because it can not be repaired or cleaned (except,you are experienced in parts repairing).. This is due to the potentiometer is to use a special type.

Boss ME-70 distortion changing mid play why.

Is distortion changes like we turn the OD/DS selector (changes to Boost-Natural-OD1-Blues etc)?
If so, the OD/DS potentiometer need to replace.24346541-2ss5ycyvkoajtv035dpuezke-4-0.jpg

If the changes are like increasing/decreasing GAIN/BASS/MID/TREBLE/LEVEL and also TYPE of pre-amp, then one of PREAMP potentiometer is bad.24346541-2ss5ycyvkoajtv035dpuezke-4-1.jpg

Replacement part or schematic for Cambridge Soundworks computer speakers

I'm in the same predicament! I found this - it seems close, though the pins seem to be spaced closer together, but it looks like they might be bent to fit the wider PC board spacing. The rotating shaft also seems smaller - the original is larger than 1/4".
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My bass drum stopped working. The module wont pick up any signal and ive tried everything short of replacing it. Not sure if its the wiring the module or the drum sensor itself.. Everything else works just...

Verify the module by connecting a different pad to the bass drum and see if you can trigger the bass drum sound. This would test the module. Now connect the bass to a different input and see if it will trigger that input. SOME of the triggers have a very small potentiometer in them. I have seen vibration break this pot loose rendering the unit inoperative. Also some people have pushed a screwdriver into the pot too hard and broken it off. Once you know it is the bass trigger, open the unit and look for damage. The sensor is usually a piezo disk. These can break away from their attachment. Reattach with contact cement after cleaning the residue.

There is a repetative clicking sound whenever I use the treble on my guitar. what is causing this?

Did you mean the treble control potentiometer (knob)?

This was posted as an amplifier problem, but since you mentioned that the use of the treble (button?) on the guitar is causing the clicking, i would have the treble potentiometer checked first.

It could have a loosely soldered or broken wire on any of the tabs, oxydized slider contacts, bad ground (negative) connnection, possibly dirt or damage on the resistive track inside the pot.

A broken wire can easily be resoldered, but if there is internal damage or oxydation, the potentiometer should be either cleaned or replaced.

In short words - it may be a faulty treble pot.

There are ways to disassemble and clean a potentiometer, but the difficulty of this task may vary and depends mostly on the type and build of the pot.

The other alternative is to have it replaced.



Broken Potentiometer

If all else fails and you cannot find the correct pot for it then you might try using two resistors for each "layer" of the pot (there are probably two sections)that add up to 2K ohm and solder them in as a permenant setting to replace the pot. Maybe choose a value like 1.5K for one resister and .5K for the other. This would set your volumn to about three quarters of full. It's not necesarily a good solution, but it will get your amp going again. P.S. It may be a 2.5 K pot with two sections. Good luck.
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