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I have an AKAI AM-A70 receiver that generates static when turning up the volume. Most of it is ok about around level 2 -3 I get some static. Probably in the knob.

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It is indeed dust in the variable resistor behind the knob. If you can take the cover off the unit and gain access to this potentiometer

http://static1.1.sqspcdn.com/static/f/998672/20174496/1346944143963/ISA405+volume+control.jpg?token=fQ7uQo11HTgjbl7ifw1xp16%2FTUo%3D

give it a light spray with WD40 or similar.

Another method which sometimes works is simply to twiddle the knob back and forth many many times at the noisy spot.
.

Posted on Dec 27, 2016

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1 Answer

Mpc 1000 loud static


Maybe try adjusting the MASTER level?

Good Luck

Other settings
Adjusting the master level You can adjust the level of the headphone and the stereo out by turning the MAIN VOLUME knob. The MAIN
VOLUME changes the analog signal level. This will also adjust the entire level of the MPC1000 digitally.
01. Press the [MODE] key and then the [PAD 10] (OTHER).
It switches to the OTHER mode.
02. Press the [F1] (GLOBAL) key.
The GLOBAL page will be displayed.
03. In the Master level field, set the level.
You will set the digital signal level, which will be sent out to the DA converter. The MPC1000 can output up to
32 sounds simultaneously. There is the great difference in the level when you play single sample and play 32
sounds. If you increase the value in the Mater level field, you can increase the entire level of the MPC1000 to
create more powerful sound with less noise. However, if you playback many sounds at the same time, the
level may be overloaded, which may cause distortion. If you decrease the value in the Master level field, you
can prevent distortion when you play many sounds at the same time. However, you cannot have a good
result in respect to the noise or punch of the sound. Set the appropriate value in the Master level field
depending on the application.

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1 Answer

I have bad static from my Pioneer vsx 49 Elite


sorry no easy solution as it sounds like the output transistors blew out or the emmitter resistors. you will need a service manual and an multimeter to measure the resistors on or around the audio output transistors they are a low value resistor usually around 1 to 2 watts in size. Do not replace any bad , burnt or discolloered resistors around the audio output transistors as if tou do you might just cause more damage to the output transistorsor audio output stage including the audio driver stage of the amp!!!!!!
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try switching the remote to operate zone 2 and turn the zone 2 volume level up higher

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OK, a few things here. First of all, what program are you using to listen to music? Some programs have an automatic volume leveling setting. If you're using Windows Media Player, it has one. Next, you should NEVER set any speaker/volume/amplifier knob to Maximum setting if you want to get any life out of your speakers. Speaker ratings are for consistent volume levels at a "clean" power level. When you turn any music source up past 80% you are pushing more distortion through the speakers that they cannot reproduce without self destructing. The human ear cannot hear this, and the volume gain is minimal. Next we'll talk about that your dealing with a combination of power levels compiling into an amplifier that may be taking in more than it can aptly amplify according to it's power multiplier scheme to increase the volume at the speaker level. If you've got everything maxed out, you're probably just pushing it all WAY too hard. All over exerted energy that is not being used productively will end up in generating heat and distortion. Those are your 2 biggest enemies when it comes to anything audio. Distortion tears voice coils and generates disruptive electrical currents, and heat destroys circuitry and components in amplifiers. The times where they jump up in volume, just look at that as borrowed time until they blow. If you want louder, get a better or more powerfully rated set, and still, NEVER turn it up past 80% if you want it to last.

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1 Answer

Stereo static


shut down all electrical sets around and check if the static goen the problem will be in electrical sets and you have to check it one by one.if it is not solved check your cables for any bad connector -open circuit- short circuit(try with a couple of new cables).-apply a contact cleaner in all sockets and move jack in and out in all sockets(with no power on)

Jun 12, 2008 | Audio Players & Recorders

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it just seems a setting problem.
go to AUDIO SETTINGS or MENU.it will have "ON VOLUME".
press volume control -ve to get desired volume.
press AUDIO or MENU to store volume level.Next time u turn it ON ,the volume will be what u SET. OK i hope this solves your problem.

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1 Answer

Pioneer VSX 816


The rear signal is generated and separated internally, if either the processing is not correct or the rear channel amplifier has a problem, you can get this type of behavior. Does the static happen more often at higher volumes or is it purely random? Does changing the volume make the static louder or is it always the same level?
Dan

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1 Answer

Rear Speaker volume too low


Channel level output can be adjusted in the menu if you have the remote. Set the rear channel level volume higher and the fronts lower if need be, and then turn up the volume. Enjoy!

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1 Answer

Sound cuts out above medium volume


This is usually a heat problem. The more volume you ask of an amplifier, the greater the current (electrical) draw, the more current draw the more heat is generated. This is true of ALL electrical/electronic items.

As you describe it, the fuse is not blowing (stays on) so my choice would be a chip heating up and then shutting down. If that's the case (99% probabilty). The only other reason would be if the unit has an overload switch inside, it would react this way. Either way it's still a heat problem and truthfully nothing you can do.

Try this first though:

Is the Denon dusty inside? Dust can create 2 problems-heat and static electricity. Look through any vents you can get at. If the area around the unit is dusty chances are it is dusty inside. The best way to get the dust out is using a can of compressed air unless of course your vacum cleaner has a "blow" port.

In my shop, when heat is supected I use a can of freon th cool down chips, etc to isolate the component. This is not for a "layman" and strongly suggest bringing it into a shop.

One more question. If the unit using a knob for volume-do you hear a scrating noise when you hit the no volume zone? What happens if you go past the point quickly? I ask because sometimes there can be a bad spot on the volume. The volume knob is basically a circular resistor, whether digital or analog so this is a vague possibility (the other 1%).

If you e-mail me the serial number I can check with the Denon engineering department to see if there are any design problems as it may be a covered repair. It never hurts to ask.

Sorry to be the bearer of bad news

Jeff

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1 Answer

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