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Volume potentiometer value and where to find replacement

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Volume control not working

Left and right wires are like the ends of a carbon resistor.
The centre connection is the slider that slides along the carbon resistance.
Spray inside the device,
The centre sliders often loose connection from overuse.
Carefully take apart and clean & put slight tension back on centre slider.
Look to see if carbon track is worn out?

Take the centre wire off the Pot and try it on either end.
One will be full volume the other will be lowest volume.

Read the Ohms value of the Pot (stamped on)
or use a cheap Ohm section of MultiMeter
Note the size of threaded area
Get similar to take it's place

1M 24mm Potentiometer Linear Single Gang Potentiometers Resistors Passive...

Potentiometer Wikipedia the free encyclopedia

Sep 19, 2015 | Audio Players & Recorders

1 Answer

Where can I find a wiring diagram?

if your replacing the existing pots. the values should be on the
backs of them. usually 500k for volume if using humbuckers and 100k for the tone pots. if your using single coil pick ups. its usually 100k across the board. but if you still need a diagram. what is the make and model of the instrument?

Aug 16, 2014 | Music

1 Answer

HI, I just need the value/taper of the 30mm slide potentiometer used in the equalizer of the Behringer K1800XF.

The sliders in almost all of the EQ's in Behringer are linear taper (B). The values are usually 50K. Fo replacement make sure you get matching mounting spacing. Almost all Behringer pots are made by ALPS.
Note that the rotary volume controls are G (graphic) taper, often 50K and are hard to get. trying to get these from the Behringer parts distributor was futile... gave up after 4 months wait.

Apr 28, 2011 | Behringer Ultratone K1800fx 180w Keyboard...

1 Answer

I have a Makita radio and the volume knob has something wrong with it. Most times when I turn the volume it gets either real loud or it goes totally quiet then there is no adjustment at all. When this is...

The volume is controled by a variable resistor, known as a potentiometer, which is inside the radio at the end of the spindle the volume knob is on. It's made up of very thin discs encased in metal. These discs break easily and when part of one breaks off you get the problem you have described. The only solution is to replace the potentiometer. If you think you could do it yourself you need to take the reading, in ohms or more likely Kilo ohms, and look for one of similar value. If you don't think you could do it yourself it should not cost much to have it replaced in a repair shop.

Apr 21, 2011 | Makita Garden

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I have a maxent 26inch LCD TV. Today, I was watching the TV when something very weird happened. The sound went all the way up to maximum and stayed there. I simply cannot turn the volume down...

Wow, that's a bit of an off brand...
It may be hard to find parts for.
If you can find parts, replacing the board with the audio section on it will be the easiest fix.
The cheapest fix is to get a stereo potentiometer, and put it inline with the speaker so that you at least have a manual volume.
If you are capable of running the unit into a stereo, see if the mute button works, the mute usually won't affect the line out, and you can control the audio from your stereo.

Here's a (quick and dirty) schematic of how to put a potentiometer in a speaker line correctly.
The idea is you can control the speaker anywhere from leads shorted (no sound) to leads across tv output (full volume). Choose a potentiometer value around 100 ohms with a linear taper if you can find it. Most pots will be logarithmic..for the most part it won't matter.

Mar 10, 2011 | Maxent MX-50X1 50 in. Plasma Television

1 Answer

What potentiometer is being used in rbx 374 bass volume control..because i replaced it with a500 potentiometer but still its not working..i bought yhe bass second hand,,is potentiometers for active pickups...

Yes, active use different value pots than passive. The volume control is LIKELY an "audio taper" which can be either an "A" or a "B" marking as there is confusion about the marking. The resistance is likely around 500K ohms down to as low as 50K ohms. The marking MIGHT be something like 504 B or 503 B or the same with the letter "A".

An A500 pot might be only 50 ohms... That would result in very low output. Again, the marking in the industry is not consistent.

Best bet is to get the part from Yamaha. Go to Yamaha America "parts" dept in California. You can search the phone number with Google.

Oct 10, 2010 | Yamaha Rbx374 4String Electric Bass Guitar

1 Answer

Tivoli model Satellite will not turn on. Had intermittant power issues. Moved the radio and it will no longer power on

The power control problem is easy to fix.

It can as simple as a fuse (I'm sure you check it already) or a switch that is piggy back on the volume control.

Radio Shack has a similar one HERE

Disconnect the AC outlet and open the main Tivoli unit.

Look at the back side of the volume switch and you will see a power switch piggy back onto the volume control.

You can bypass it or get the correct value Potentiometer + SPST switch.

Use an ohm meter to meter the both end of the potentiometer and if it's 10,000 ohm or 10k then just go to Radio Shack and ask for
10K-Ohm Audio Control Potentiometer with SPST Switch Model: 271-215 | Catalog #: 271-215

It's a direct replacement.

If the ohm read is other then 10K then you will need to order it for an electronic supply house.

Tivoli makes great radio.....if you want to sell it I want the first dip.

Jul 30, 2010 | Tivoli Henry Kloss Model Two FM/AM Radio

1 Answer

How to replace a potentiometer on a Hartke 3500 Bass Amplifier?

unplug unit and leave OFF. Unplugged, turn on for 1 minute to "drain" capacitors, then turn off. Remove cover. TAKE a DIGITAL PHOTO of the rear of the potentiometer. Mark the 3 wires with masking tape and a Sharpie marker. Take another photo. Cut wires as close as possible to the potentiometer. Remove the knob, then remove mounting nut/washer. Now, you need to figure out the value of the potentiometer. Using an ohm meter or multimeter, measure the resistance from one outside terminal to the other outside terminal. It should be a ready like 100K, (100,000) OHMS. It may also be marked on the unit as 10K, or something with a "K" suffix. Replace with a potentiometer of the same value -AND- make sure that it has an "Audio Taper" not a "Linear Taper". Mount the new potentiometer and reconnect the 3 wires in the same fashion as the phono. Strip 1/4 inch of insulation from the wire and wrap around each post of the unit per the photo. You should solder each wire, or worst case, tape securely until you can get someone to solder the wires. Replace cover. Plug in unit and perform "smoke test". If volume doesn't change at all, then center wire is in wrong place and wires are out of order. If volume is in reverse, swap the two outside wires only. You really should get a ham radio buddy or someone to do this work for you, as you could mess it up, but you are welcome to give it a try. You can buy the potentiomer from MCM Electronics, and possibly Radio Shack.

Sep 19, 2009 | Audio Players & Recorders

1 Answer

Amp volume problem

Sounds like you have a bad or dirty gain potentiometer. Try turning the gain up and down with the volume at a moderate level. If u hear static, it is possible the potentiometer is bad or dirty. Replace with one of the same value and see if that solves your problem.

Jul 15, 2008 | Rockwood Car Audio & Video

1 Answer

I need a component?

IS whether only the KNOB get broked or the WHOLE speaker got worsed...
If ur control KNOB only got damaged, then try to OPEN the speaker, and find the VALUE of the POTENTIOMETER... u can get the control from any ELECTRONICS BAZAAR or in any electronic spares shop...
then FIX it...

Dec 12, 2007 | Logitech X-530 Computer Speakers

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