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My amplifier Hi i bought this sherwood RD 6105 three months ago . everytime i try to switch it on ,it switched off by itself within two  second . i Dont know what to do with .i lost the warranty card when i moved my place . Please help me email-   [email protected] Thakns

Posted by kam2002002 on


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Louie Role

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The "switched off by itself" is indicative that the auto-protect is acting. Auto protect senses that there is something wrong within the unit and rather than the damage extend to other areas, it simply switches the entire unit off. On some models, this also hold true if there are no or faulty speakers connected to the receiver. In others, this happens when there is no intelligent signal received such as in FM when an antenna would be required.

If you have verified that it is not poor signal, speaker problem, then perhaps your best bet would be to seek the services of a qualified audio technician since this would involve electronic circuitry/component diagnosis, soldering and the use of a DVM.

hope this be of some help/idea. Post back how things turned out or should you need additional information.

Good luck and kind regards.

Posted on Nov 03, 2007


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Sherwood Products


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Hope this be of help.  Good luck and kind regards.


Oct 23, 2007 | Audio Players & Recorders

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I have a Sherwood Audio/Video Receiver Model RD-6105 that keeps cutting off after 30 sec in use i had it for about 2 years can you tell me what's wrong or how to fix this ?

Generally speaking, an amp protects itself from heat, shorts and overloads.

Overloads can be from excessive periods of high output and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced hands-on tech.

Jan 22, 2011 | Sherwood RD-6105 Receiver

1 Answer

My Sherwood RD-6105 shuts off if I turn it up past 28 or 29 db (which isn't very loud). I'm using it in Dolby Digital mode. It even happens when I use it with my components that are analog. This just...

It's acting as if a short or near-short exists on the amp outputs at medium levels.

Disconnect one of your speakers at a time and try it. Make sure your speaker wires are tight and not shorting to anything and all channels have 6-ohms or more load.

Jan 16, 2011 | Sherwood RD-6105 Receiver

1 Answer

What does the FL-CS-RF mean ? and how do u work it ?

Front Left, Center Speaker, Right Front. You may adjust volume level on each with the channel levels buttons -/+ directly under on the remote

Nov 30, 2010 | Sherwood RD-6105 Receiver

1 Answer

Comes on and goes right back off

one of three things could be happening:
1. the most likely problem is that the impedance in the speakers is too high, causing a short
2. a faulty mechanical relay, there are two - 1 on the PSU and 1 on the main chip. the relay on the main chip may be faulty
3. there could be a problem with one or both of the main capacitors. the two caacitor responsible are huge and hard to miss you can order them from jay car pretty cheap!

Feb 11, 2008 | Sherwood RD-6105 Receiver

1 Answer

Need the remote control code/s

I google'd remote codes for this device. code 1007 seems to work as far as volume controls and the off/on switch goes.

Sep 07, 2007 | Sherwood RD-6108 Receiver

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