Question about Sherwood R-945 Receiver

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Sherwood R-945 Sound is slightly distorted, level lower than normal and it switches off after 1-2 mins. Any ideas ? thanks dennischeckley@hotmail.com

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HAI , REPLACE THE VOLUME CONTROLS.

Posted on Jun 26, 2008

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My sherwood rx 4109 has no sound what do i do


Pull the sherwood power cord from the wall for 20 minutes. On the back of sherwood, check all cables and make sure they are in the correct places. Check speaker wires and make sure they are connected. 1)After 20 minutes, turn power on to sherwood. 2) select an input (radio, cd, etc.) 3) Push play. 4) Turn volume to desired level.

Feb 07, 2015 | Sherwood Audio Players & Recorders

1 Answer

What is a compatible turntable for my Sherwood rx-4109 receiver?


many decks have pre amps or need preamps. hence the reason why you have distorted sound i would guess. you need the opposite of what you used. What record deck did you try?

Jan 06, 2013 | Sherwood New-RX-4109 STEREO RECEIVER WITH...

1 Answer

My powre subwoofer in not working with the sherwood r-945. Can you help.


Hi,
I assumed that your receiver has a SUB RCA jack on the back..
find out the SUB output 1xRCA plugs of your receiver on the back and connect it to the 1x RCA input of your Sub...you just need a RCA cable .

Take care and if it succeeds please Remember to rate/vote and give me 4 Thumbs Up
for Helping out the Community :)

Hope this helps!
If you need more help please contact me...with more detailed question..
Regards

Jun 22, 2011 | Sherwood R-945 Receiver

1 Answer

I have a new Sherwood Reciever thet is hooked up to outdoor speakers but at max volume there is very little sound.


What source have you connected on Sherwood? Also you can try using headphones. Is the sound level at the headphones normal? Sorry for asking for details, but we have to find out the starting point for your problem.

Waiting clarification, don't hesitate to post.

Thanks and regards
Please kindly rate this solution
Stelios
direct fixya link: http://www.fixya.com/users/technical114

Jun 14, 2011 | Audio Players & Recorders

1 Answer

How many total watts does this system have


Well... It consumes 240 watts of electrical power total so take the audio power specifications with a huge grain of salt, as no audio device puts out in audio power anywhere near what it consumes in electrical power. Heat produced is power consumed, too and nothing is 100% efficient.

In the specs below the only information useful for comparison is in the line I highlighted with >>> <<<<'s as it conforms the closest to the industry standard practice of using:

"X watts into 8 ohms (standard load) from 20 - 20000 hz plus or minus Y db at no more than .0Z% distortion"

The better amps specify vanishingly low distortion specs (0.0x% vs 0.x%) at the cost of being able to claim higher wattage. But they guarantee cleaner sound at the claimed levels.

JVC is being tricky with their choice of a 40 hz lower limit. THAT is the power hungry end of the spectrum. 20 hz is normally the lower limit stated.

"Output Power .............At Stereo operation
Front channels .............55 watts per channel, min. RMS, driven into 4 ohms at 1 kHz, with no more than 0.9 % total harmonic distortion. (IEC268-3/DIN) 30 watts per channel, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.9 % total harmonic distortion. (IEC268-3/DIN)

>>>>> 30 watts per channel, min. RMS, driven into 8 ohms, 40 Hz to 20 kHz, with no more than 0.8 % total harmonic distortion. <<<<<

At Surround operation
Front channels .............50 watts per channel, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.8 % total harmonic distortion.

Center channel .............50 watts, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.8 % total harmonic distortion.

Rear channel .................50 watts, min. RMS, driven into 8 ohms at 1kHz, with no more than 0.8 % total harmonic distortion."

Mar 02, 2010 | JVC RX-554V Receiver

1 Answer

How to switch on Sub?


surround and subwoofer may not work if there is an additional graphic equaliser operating.
1. check in your receiver speaker setting ensure your speaker setup doesn not have subwoofer set to NONE. this will block any signal to your subwoofer socket.
2 when you select your surround sound setting setup, ensure you select the speaker mode you want, if there is a multicontrol knob, cycle through the choices
select subwoofer mode and set it to yes.
if you have set-up small speakers S in your speaker settings then it could be that subwoofer is set to yes automatically if you have large speakers L, subwoofer has to be set additionally in the subwoofer setting.
3 test subwoofer on alternative device to test it is working ok
consult manual on enjoying surround sound and adjusting the speaker settings.

Nov 16, 2009 | Sherwood R-945 Receiver

1 Answer

What is an output transistor?


output tranisister is the transister that give the finial output of sound.
some use a output IC for the same purpose.

Aug 31, 2008 | Sherwood R-945 Receiver

1 Answer

No power


The Sherwood R-945 has at least 6 fuses inside - any one of them could keep the system from powering on properly. The lowest power fuse is rated at only 35 MILIamps, I believe ( it's element is barely visible to the naked eye ). Check that all fuses are intact (with the power off)

My R-945 unit kept shutting itself off directly after powering up - turned out that one of the speaker wires had a fault - (found after hours searching with voltmeter). Check that all Inputs / Outputs are secure.

Good luck with yours!

Feb 20, 2008 | Sherwood R-945 Receiver

2 Answers

No power


disconnect everything from the unit and see if it still does it.
if it does i would check the output transistor (ic).

Jan 25, 2008 | Sherwood R-945 Receiver

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