Question about Kenwood VR-407 Receiver

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Volume I have an old Kenwood receiver and the volume control isn't working. I've been told just to spray some contact cleaner into the unit....but not sure if I should do it or not. If this is what I am supposed to do...do I just remove the knob and spray?

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  • just4fun1 Mar 06, 2008

    Volume control works Sometimes,if i go up and down eventually they works but jumps on the increase volume (Too Loud or To Slow).

    I also Noted that the Remote Control doesn't work either for any Commands (is not the remote)i have 2 remotes all programed and the original and neither one works.

    The Only way i can make the volume works thru the remote or volume knob if is i unplug the receiver for couple of minutes looks like they reset and works (kind of) but not the the way should be

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If the volume control does nothing them spraying it will do nothing. If it is noisy when you turn it but the volume does change them you can try to spray it with cleaner. You cannot do this from the front; only from the inside and only if the volume control is not sealed.

Posted on Sep 03, 2007

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Kenwood


I'm assuming 'Kenwood' means a home stereo amp or receiver? If so, the volume control probably just needs to be cleaned. Control cleaner can be purchased at Radio Shack, or a similar store. Just buy a can, and spray a tiny amount into the control, and turn it all the way clockwise then all the way counterclockwise several times. If that doesn't correct the problem, the control may just be worn-out and is in need of replacement.

Apr 28, 2013 | Audio Players & Recorders

Tip

Tivoli PAL volume problems


I posted this tip elsewhere but the FixYa site is, shall we say, challenging.<br /> After years of use my Tivoli PAL started having volume problems. The audio began popping, volume changed erratically, static, booming, almost feedback sounds.<br /> In my case, and others as well, I've gleaned, the problem was the volume potentiometer. Apparently it oxidizes over time and the poor electrical contact is the reason for the erractic audio.<br /> I'm not an electrical repair kind of guy, so this isn't pretty.<br /> The volume and frequency controllers are secured to the knobs with metal collars. I pried the collars loose and got the horizontal board off, I sprayed Stabilant 22 into the volume pot. There are other electrical contact cleaners as well.<br /> Put it all back together. Let the flud dry. Good as new.<br /> Good luck.

on Apr 27, 2011 | Tivoli PAL Radio

1 Answer

How to fix old 1970s receiver Loss of volume or sound to one channel


volume control is like a rheostat and has a tendency to corrode over time. try working the control vigorously back and forth numerous times. if this fails, carefully remove receiver cover and use electrical contact cleaner (comes in a spray can). if this fails, you'll probably have to hunt down a new one.

Aug 27, 2012 | Audio Players & Recorders

1 Answer

Left channel cuts out, if i tap the reciever it will come back on.


sounds like the controls are dirty...or possibly the solder connection on the volume control has become intermittant...you can goto your local electronics store(or Radio Shack) and get some contact cleaner..open the unit up and clean the volume control as per the instructions on the can...make sure when you spray the cleaner into the control you turn it back and forth several times...then you want to spray more in to flush out whatever debris may have been in there...be careful not to get any on the face plate as it may damage the finish...also , make sure that the chemical spray that you use is safe for plastics...If this doesn't fix it , then the volume control assembly may need to be resoldered.

Mar 01, 2012 | Sony STR-DE185 Receiver

1 Answer

I have a pioneer vsx-d704s reciever and when it is at a very low to 0 volume i get a low level scratching only on the left side. im not sure if it goes away when i turn it up or not but i dont think so


The volume knob is dirty. Behind the face of receiver the "pot", (as they are called) needs sprayed with contact cleaner. I use CRC QD contact cleaner. If the volume is a slider your can use the straw type devise for pin point spraying in the slider slot with receiver off and unplugged. After spraying work the slider back and forth to distribute the cleaner inside. If you have to remove the cover for a rotary "pot"spray while working the dial. Hope that helps..

Jul 16, 2011 | Pioneer VSX-D704S Receiver

1 Answer

The volume knob doesn't work properly, with both directions turning the volume up (or both turning it down).


The volume control assembly probably has dirt/dust built up inside...you can clean the control with an electrical contact cleaner that is safe on plastics (ask your retailer ). You will need to remove the cover to gain access to the volume control assembly. Once the cover is removed you can spray the cleaner into the control assembly. Whilst your in there you may want to clean any other controls. Make sure you let the cleaning agent dry thoroughly before you power the unit back up. Another possibility is (if the above dosen't solve it) the control itself has become defective and will need to be replaced

Jan 06, 2011 | Pioneer VSX-D508

1 Answer

Volume cuts out, volume knob overloads when touched


If this is the old style potentiometer unplug amp and remove cover to get to volume control. spray contact cleaner made for that purpose at the radio shack stores or similar. Spray it into the control and turn the control back and forth to work it in. Let stand for a few minutes and try it again. Always make sure it is dry on all components first.

Jun 07, 2010 | Pioneer Audio Players & Recorders

2 Answers

Cannot get steady speaker connections for stereo receiver


Hello Johnsabljic :-)
Being an old stereo, the most probable cause are dirty contacts in all of your controls and switches - especially A-B speaker switches.
Remove all round plastic knobs from your volume, tone, balance (etc.) controls. (they should be pried off carefully with a flat blade screwdriver)
squirt a little contact cleaner (or WD40 if contact cleaner not available. I use a 50 - 50 % WD40 and rubbing alcohol solution in an old Visine container - but if you do this always label the container "Contact Cleaner" as you don't want someone to use it to clean their eyes and go blind)
Squirt about a half a teaspoon of contact cleaner around each rotary shaft where it enters into control surrounded by the nut.
Do this also with all on/off switches and sliding controls as well.
Manually turn all rotary controls back and forth so the solution will work itself in. Move all sliding controls back and forth also, and click all switches on and off as well.
I would let it sit for about an hour before you power it up.
I run into this alot when I refurbish old receivers and eight track players.
Good luck,
Fred

Sep 19, 2009 | Audio Players & Recorders

1 Answer

Sound problem


Try cleaning the volume control with an electronics switch cleaner spray. If that does not resolve the problem and it seems to happen at low volumes more than load volumes, then the output relay needs to be replaced. Keep us posted. Dan

Jun 12, 2009 | Kenwood Audio Players & Recorders

2 Answers

Klh model 52 audio receiver


Open the receiver and locate the potentiometer for the volume. There should be small openings in which you can spray electrical contact cleaner. The spray can be found at any electronic supply store (Radio Shack). Make sure the product says no or zero residue. I use a product called "Electrosolve". After spraying, immediately rotate the pot back and forth a few times. You may need to repeat this process two or three times. You might as well hit the other controls while you're at it. If several attempts don't eliminate the problem, the pot will need to be replaced.

Oct 11, 2007 | Teac DRH300DAB Receiver

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