Question about Sherwood RV-5050R Receiver

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No sound The unit powers up, but the volume control produces no sound

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It may be an internal fuse which is see through be aware that you put in the same rating fuse if you need to replace them

Posted on Mar 22, 2008

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Kenwood KA 995 amp. volume control, as you increase or decrease the sound, a loud clicking sound is heard.


Katrina, this sounds like a dirty potentiometer (volume control knob). Try turning the unit off, and exercising the knob. That means turn it full turns, many times, like 70 times. Then try it again with power. Sometimes this helps.

Sep 21, 2016 | Kenwood Audio & Video Receivers

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AVR142 totally shutdown no lcd display no lights on volume control no sounds only main switch have a light,plz help me thanks a lot


Sounds like either a blown main power fuse or power transformer. If the fuse is blown it probably means a short in the amp somewhere. If it is the transformer, it can be replaced - but may cost more than the unit did.

Dec 26, 2012 | Harman Kardon Audio & Video Receivers

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Sound cuts off, but if I touch the master volume contorl knob it comes on for a short time. Do I need a new knob, or something else?


Possible that there is fault in the preamp analogue/logic control. When you touch the volume control knob the static from you partially injects the circuit to work and thereby conduct to produce the volume.
The volume controller is an analogue rheostat coupled to a circuit that can be the suspect , it can even be a fault- open circuit- of the controller.
You can remove the top cover after disconnecting the power supply and check behind the volume knob for the circuit. If you are able to test this circuit , it will confirm the case.

Oct 07, 2011 | Teac AG-D9100 Receiver

1 Answer

I inherited a technics SL-6 turntable system and a very old sears audio by fisher am/fm stereo receiver along with 1 pair of kenwood ks-401ht front speakers and cant get any sound. I have the technics...


Your connections seem to be right.

Let's distill this down to its simplest configuration... does the onboard FM produce sound? If not, nothing will.

NEVER USE MAXIMUM VOLUME FOR TROUBLESHOOTING.

Turn the volume control to something medium.

The errant switch, control or condition may change and you will suddenly release the amp's full power and possibly destroying your speakers. If a signal isn't audible at 1/2 volume it's probably not there.

Carefully examine the front panel for clues like a misplaced Mute or Tape Monitor control or Multichannel Analog Input selected.

There is a good chance that a common control may have developed a high-resistance or 'dead' spot through idleness and is causing your symptom. Turn the POWER OFF and operate every control throughout its range a number of times, especially rarely-used ones like Tape Monitors and the Mute control.

Turn the volume to something reasonable and see if that helped.

Apr 17, 2011 | Audio & Video Receivers

1 Answer

Volume not function.


You need to be a bit clearer on the exact nature of the issue.
Please include if the unit was working and suddenly stopped producing sound (ie - speaker output fuse blew) or if you relocated the unit, and after hooking it back up, you aren't getting any sound (ie - not hooked up right) or if the volume knob isn't changing the readout for the volume level (logic or knob broken) - and also include the make and model of WHAT the volume knob is attached to (ie - Yamaha receiver model X)

Feb 22, 2011 | JVC Audio & Video Receivers

1 Answer

I connected my Panasonic Plasma's optical out to my HT-R500 but it's not producing any sound... i tried several combinations of settings and none have resolved my problem.


Hi...To answer your question about your Sound issue...Try first, check if you have a muting volume control on your setting.. Also some unit, you have to set the date and time before anything... hi hope that gonna work good luck

Oct 13, 2010 | Onkyo HTR500 Receiver

1 Answer

Suddenly, amplifier stopped giving out sound. Controls and display seem to work fine. If it is blown fuse, where is it & how can i replace it?


Does it stop on both channels? It sounds to me like the safety circuit is activating. This usually happens when either the volume is too high, or the speaker load is too great (i.e. usually loads less than 4 ohms will do this) or, the amplifier has an internal short causing the amplifier's output stage to become un-balanced. Does the sound come out nice and clearly through both channels? How long does the receiver play before the sound stops? How loud are you playing the music when it stops like this? If the sound is reasonably clear through both channels at regular volume, then there is probably nothing at all wrong with the receiver's output circuits. If the amplifier is being played at regular volume or even lower volume for quite a while and then quits, perhaps the receiver is getting too hot and it's thermal sensors are activating the protection circuit. Make sure that when you operate the receiver, that there aren't things laying on top of it blocking the unit from venting and cooling properly. Make sure it has plenty of breathing room - amplifiers (most of them anyway) are inherently subject to producing heat. If the amplifier only quits when played at high volume, well then that's probably the problem - it's probably not meant to deliver such power that you're asking it to - especially if you're driving a heavy load such as 4 ohms or less. If you're running several speakers on this unit, try scaling back to just two speakers for now, and make sure these are 8 ohm speakers. Play the unit for a while and see how it does.

Oct 24, 2009 | Aiwa AV-DV95 Receiver

1 Answer

Sugden A48, one channel keeps cutting out. Sound restored by increasing volume but at low volume goes again.


The volume control may need to be cleaned. Find a spray cleaner made for electronics, relays, ect. and spray it into the volume control from the back side of it where it connects into the circuit board. After getting the cleaner into the volume control, work it in by turning the control back and forth over and over again. Do all of this with the power unplugged from the unit. After you finish cleaning the volume control, plug it back in and turn it on and then check to see if it is working normal. Volume controls can get oxidized and dirty after a few years and require cleaning. I hope this helps, let me know if you need any further help.

Dave

Oct 14, 2008 | Audio & Video Receivers

6 Answers

Blinking light on volume control


i have a same problem, but on a rx-v1070, worked fine for a long time and one day i just turned it on and boom light blinking and no sound, if i crank the volume to about 80-90% i get distorted sound, i think our amps are gone, checked the fuses and they seem ok. Most likely its the amp. This unit was around $1200 back in a day. And it still produces sounds better then many recievers in stores today, too bad it has no 5.1ch surround.anybody have a solution pls let me know, for now i have a weak pioneer with 5.1 but no power.

Dec 11, 2007 | Yamaha RX-V870 Receiver

1 Answer

Amp powers on, but no sound is produced


a failed volume control potentiometer? it's possible.

Jun 04, 2007 | Sherwood RD-6108 Receiver

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