Question about Kenwood Audio Players & Recorders
It does sound like your speakers. But it could be the output transistor are going bad. As you increase the volume causing more current to go thru them it make a clipping sound. If you have a different set of speaker try and see if the popping is replicated. If not have some check your receiver out.
Posted on Oct 22, 2013
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Posted on Jan 02, 2017
Same loudness, no speaker? This sounds (no pun intended) like a filter capacitor shorting out. Open it up and VERY CAUTIOUSLY look for what is making the noise. Filter capacitors can eject hot stuff. Very dangerous.
Posted on Jul 23, 2008
This may sound silly, but please check to be sure that the tape monitor switch in not engaged. Update this if that is not the problem.
Posted on Oct 01, 2008
I've never repaired one of these but I have an amp at home that makes a intermittent static "popping" noise that i'm going to put down to a dirty volume pot (control) that needs cleaning. I will also have to change some of the electro capacitors that have dried up inside which cause "shot noise". With the right lubricant (electrical contact cleaner, nothing else) you could take to lid off and spray a small 1 second blast into the hole of the pot and any other balance or tone control yourself but I would take it to the electronics repairer to get the capacitors checked over.
My theory only
Posted on Jan 17, 2010
SOURCE: I have a Marantz 2270
This kind of problem is logical, if you have the "loudness" control enabled. Well, let me explain the situation. The loudness control is a function that boosts the lower and higher frequencies (the bass and treble) in low volume settings. This is useful because at low volume settings our ears are not so sensible at these frequencies, so the result is nice to hear. This boost (the loudness) stops automatically (at most amplifiers) at volume settings just above the middle of the volume control (to be more specific near the 1 hour setting of the volume knob), that's the point that you get this cracking sound. In case the audio source has plenty of bass frequencies the result is what you hear.
I suggest you to lower the bass boost potentiometer or disable the loudness control when you hear music at these volume levels. A good idea also is to disable the loudness control permanently and boost the bass and treble from the knobs as you wish. This will give you a sound near the original one although at the beginning you will feel the absence of bass (this is because the sound you were listening before has more bass).
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Posted on Mar 19, 2011
Pictures would help a lot (of the circuit board)
You're lucky, you have a whole channel for reference!
This means we can troubleshoot by metering points at channel A and cross referencing them with what's happening on channel B (You'll need a multimeter and SOME skill, as well as a soldering iron, solder, desoldering braid and/or a desoldering pump)
When we find something that's way out of spec, we know we've found the issue, or at least something connected to the issue.
If you have an oscilloscope, we can trace the signal to the point that it stops.
If not, as I said, metering mirrored points should lead to the issue.
Posted on Apr 09, 2011
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