20 Most Recent Sherwood RV-4050R Questions & Answers

Visit this site to download the manual.

Here is the link to the manual for a similar model ( RV-4060R ) which is hopefully close enough to your model to be of some use to you:

http://www.sherwoodamerica.com/site/service/old_manual/RV-4060.pdf


To view the Owner's Manual with Operating Instructions just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information at the website indicated.

You may need ADOBE READER installed on your computer to read PDF documents. You can download this free at WWW.ADOBE.COM if necessary. Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there, and then just follow the onscreen instructions to install it.

See page 3 and 4 of the ONLINE USER'S MANUAL for a detailed diagram of the connections at the rear of the unit and corresponding connection instructions.

Please comment back here to this page if you have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.

Thank you very much and good luck.

Joe.

Hi amit2817,
Your unit gone to overload that caused the subsequent shutdown. To isolate the input and speakers from fault, disconnect all input cables and speaker wire from the unit then turn it on naked. If the symptom still there then this is a clear indication that the fault came from the unit itself. Most common caused of this problem is the sound output circuitry and the power supply. Most common affected parts in the output section is the output IC/transistor(mounted in the large heat sink). It will fail because of exposure to excessive heat due to frequent high volume and or because of aging. Bad solder joints is also to consider to this section and also to the power supply section. Because of heat build up, most of the joints dried resulting to poor flow of the supply and trigger the over current(overload) protection circuit. Leaky electrolytic filter capacitor is also one of the factor in this fault. It will produce an out-of-regulation to the power supply output. You must have a capacitor checker to determine its condition. Sometimes it has a bulged/dome at the top but not all.
If you don't have necessary tools and test instrument and can't troubleshoot the symptom, I would advice you to look for an experienced technician to isolate the problem.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

internal fuse....open and replace

The TV is irrelevant.

BD would need HDMI, digital audio or 5.1 analog inputs on the contol receiver. You have none of these.

You may be able to find a service manual for your Sherwood RV 7050R amp on the manufacturer's website or by contacting their customer support. Alternatively, you can search for third-party websites that offer service manuals for various electronics. Just be sure to use caution when downloading from unknown sources to avoid any potential risks.

The soft hiss that you are hearing from both speakers of your Sherwood RD-6505 may be caused by a few different factors:

1. Ground loop: A ground loop occurs when there are two or more devices connected to a common ground, causing a voltage difference between the grounds. This voltage difference can create interference, resulting in a hissing sound.
2. Faulty cable or connection: Check all of the connections and cables between your audio source and the Sherwood RD-6505. Make sure that they are plugged in securely and that the cables are in good condition. A faulty cable or connection can create interference and result in a hissing sound.
3. Amplifier issue: The hissing sound may also be caused by an issue with the amplifier circuitry in the Sherwood RD-6505. If this is the case, you may need to take the device to a professional for repair.
4. Power issue: If the power supply of the Sherwood RD-6505 is unstable, it can also result in a hissing sound. Check the power supply and ensure that it is providing the appropriate voltage.

If you have checked all of these potential causes and are still experiencing the hissing sound, it may be best to contact a professional for further diagnosis and repair.

The service manual is here Manual: RX2030R SHERWOOD (archive.org) Moving on, are you sure the 120/240 voltage select is set correctly? That fuse is not listed but could be one of the fuses shown in the schematic on the voltage selector board. You need to check the diodes that are after the transformer to see if one or more have failed. Usually the thermal fuse in the transformer will fail and none of the other ones will. You need to check the transformer for shorts on both the primary and secondary side. You need to see if any of the filter capacitors have failed.