Question about Aiwa NSX-A115 Shelf System

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Volume The volume is very difficult, whenevern I try to turn it down it goes up, the only way i can adjust the volume is to turn the knob back and forth and i almost never can get it to turn down. When it does, if i keep turning it just goes right back up.

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Re: volume

Change the Volume Knob completely cos it's damaged, worn!!! ;)

Posted on Mar 10, 2009

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Re: volume

Removed and replace potentiometer volume control.

Posted on Feb 19, 2008

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Re: volume

Disssrm the control volume and clean it with alchol, but be extremely careful with the thin contact, are very delicated, after of this, re-assembly y test it. and now is working. I suggest do not desoldering from the front panel, because is not necessary.

Posted on Jan 20, 2008

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Re: volume

The volume control needs to be cleaned. this control is a step switch basicly. and the switch contacts are not making proper contact. cleaning this requires dis-assembly and desoldering so if you are inclined to do this work happy fixing if not it shouldn't cost much to fix.

Posted on Jan 20, 2008

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1 Answer

Why does the volume increase when I'm trying to turn it down on my AIWA receiver?

Your volume control is bad. If you are good at this kind of stuff, you can remove it from the board, open it up and clean the contacts. Otherwise you need to get it replaced.

Jul 20, 2014 | Audio Shelf Systems

1 Answer

Sticky volume control when turning up and down

The volume control needs a good flush out, take the unit apart to expose volume control pod, buy some electronic contact cleaner and flush the pod while turning the volume back and forth, repeat 2 or 3 times. Note some pods have small slot where you can spray.

Mar 08, 2012 | Audio Shelf Systems

1 Answer

Should i spray the inside of the volume knob to fix the volume?

You can try contact cleaner. Spray some in (with unit turned OFF) and move the knob up and down several times stop to stop. then try to see if it helped.

Dec 28, 2011 | Aiwa Audio Shelf Systems

1 Answer

How do I set the time

  • Use the actual stereo to set the clock, not the remote.
  1. Turn off the stereo.
  2. Press "clock/timer" for at least 2 seconds.
  3. Press "memory" to make the hours blink.
  4. Turn the volume knob to adjust the hours.
  5. Press "memory" to make the minutes blink.
  6. Turn the volume knob to adjust the minutes.
  7. Press memory.
  8. Now the clock setting is complete.
Regards, Tony

May 21, 2011 | Sanyo AWM-660 CD Shelf System

2 Answers

The Volume knob malfunctions

Hi there. Sorry I haven't got a solution. Just want to know if you found one, as I got the very same prob with the volume knob of my JVC hi fi. Thanks for your time.

Oct 05, 2009 | JVC MX-J30 CD Shelf System

2 Answers

Need to use remote to change volume

this aiwa equipment failure is common, is that the contacts within the volume botton causing misreading get dirty when going up or down the volume. you have two options the first is to buy the button or pull it out and clean it is not difficult. bye

Jun 14, 2009 | Aiwa NSX-A999 Shelf System

1 Answer


If the volume control can be turned continuously in either direction (no stopping), then the control is what is called an encoder and the behavior you are describing is an internal logic failure. If the control has an upper and lower limit (only turns so far), then it is a standard volume control and is physically broken and needs to be replaced. In either case, the unit should be under warranty. Return it to Best Buy for repair. Given that it just came out of the box, talk to a manager and request an exchange.

Mar 16, 2008 | JVC HX-D77 Shelf System

1 Answer


This sounds like a case of a dirty/defective rotary encoder. The volume control used here is not the conventional potentiometer type , but a rotary set of switches that tell the sytem if the knob is being turned left ot right.
Do you think you'd be able to open the unit and spray some contact cleaner into the rotary encoder? It might involve dis-assembling it down to front bezel removal.

Aug 18, 2007 | RCA RS2044 Shelf System

5 Answers

Volume knob

Normal Aiwa compact shelf units use what is called a jog switch for the volume. Usually you can tell the difference if when you you turn the volume up or down. It goes a short distance and seems to spring back. In this case there are two momentary contact switches. One for up one for down. With a plastic lever on the back of the knob that bumps the approriate switch whether turning down or up. If the lever is broken it will bump up against one but not the other. If it is broken plastic you know how good gluing plastic goes it never seems to hold.

Aug 02, 2006 | Aiwa NSX-A777 Shelf System

6 Answers

Sound volume

hi there are 2 options for this: 1) if its a anlog knob then the AMP inside is gone bad... 2) if its a digital knob then it is preesed constantly and there for raising the volume level try disassemble the system and making the spring knob more efective good luck

Dec 28, 2005 | RCA RS2652 Shelf System

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