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I have a Kool Sound CDS-220 twin cd DJ mix unit but the output volume is very low when put through the amp, even with all the volume dials turned up. The headphone port gives plenty sound and both cd players play as they should. The master output knob crackles slightly and sometimes trips the amp so it doesn't blow. The LED volume display reacts when this mater volume dial is turned then disappears when you stop turning it. Just bought this second hand but it maybe simple to fix?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 4234 Answers

SOURCE: Purchased your A/V reciever NS-R5101

This type of volume control is often called an encoder. Basically it is a control for an electronic volume control chip. Rather than a vairable resistor like the "old fashioned" volume controls, this one basically is a rotary on/off switch. As you turn it the internal fingers pass over copper bars causing quick on/off sequences. These are interpreted as vol up and vol down.

Realise that this is an over simplification, but is essentially how it works. Your unit is fine.

Dan

Posted on Jul 29, 2008

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dunnbiker
  • 8546 Answers

SOURCE: Volume really low, even when turned right up

So the speakers and the individual amp channels work so that lets out the obvious big hardware items.

This is starting to sound like an obscure setting was set or changed by mistake.

It would be nice to figure out what that is/was in case it happens again but you may eventually have to resort to resetting the receiver to factory defaults and start over by holding the1/0 button for 5 seconds.

Posted on Mar 05, 2010

  • 122 Answers

SOURCE: 1974 FENDER TWIN REVERB HAS

check the speakers try to connect another speaker.then check the output transformer and the resistances at the bottom of the 6L6 tubes.then check the bases of output tubes and the output tubes matching trimmer if your amp have it.then check change the volume pot.then check the ceramic capacitor i n the input of the last 12ax7 tube in the power amp input.

Posted on Jun 13, 2010

dunnbiker
  • 8546 Answers

SOURCE: Hi there, our amp is giving us very low sound

I'd look at the front panel for the Mute Button and the Mute Indicator, but turn the volume down for any further investigations. If you can't hera the sound at 1/2 volume, it ain't there. No sense risking a sudden volume surge that will kill your speakers when you finally find the problem.

http://www.retrevo.com/support/Harman-Kardon-HK3270-Receivers-manual/id/386bh430/t/2/

Also check the T-Mon Indicator. If it;s on you have the Tape selcted for listening instead of a source.

Volume/Mute Indicator: This

indicator will glow green when the

HK3270 is turned on. Its position

will enable you to judge the relative

volume of the unit even when the

speakers are muted or turned off.

When the indicator is pointing

towards the left, at an "8 o'clock"

position, the volume is low; when

it is pointing to the right, as in a

"3 o'clock" position, the volume is

loud. When the unit has been muted,

pressing the Mute button ïâthe
indicator will flash

Posted on Dec 26, 2010

SOURCE: Yamaha RX-V1000 volume control erratic, remote

Hi.

The volume knob issue alone sounds like it's hardware-related and therefore not easily fixed. Also, since the remote appears to be working (the LED's are lighting up), but the unit is not controlled anymore, the IR sensor is probably faulty as well. I would seriously consider sending this AV receiver in for repair. If it's still within warranty, you shouldn't need to pay anything for the repair.

Manual for your receiver: http://www2.yamaha.co.jp/manual/pdf/av/english/re/RX-V1000.pdf

It's not much but I hope this helps.

D

Posted on Aug 21, 2011

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- TWEAK AV LAB

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