20 Most Recent Sherwood RX-4105 Receiver Questions & Answers


Disconnect your speaker wire's from your receiver, and then turn the receiver on.

If your receiver cuts off with the speakers disconnected, there is something wrong with your receiver, and take your Sherwood receiver to a qualified reputable technician.

If your receiver stays on with the speakers disconnected, their is a short circuit either in your speakers wires, or in your speakers. Make sure your speaker wires are pushed all the way in the speaker terminals in the back of the receiver, and do not leave no naked speaker wires exposed. If you have too long of bare speaker wires exposed at the receiver's speaker terminal, or at the speaker's terminals, they could touch each other, and cause the receiver to cut off. If the speaker wires are OK, then you may have a short circuit in your speakers.

Sherwood RX-4105... | Answered on Jan 17, 2017


most likely reason could be a short in one of the speaker wire at the connector. Check each speaker connection one by one. If this is not the cause then most likely the power supply is cutting off. The unit may still be under warranty if only one year old. Contact your local Sherwood support outlet.

Sherwood RX-4105... | Answered on Sep 26, 2014


You can also use 2SD2560 and 2SB1647 130watt 150volt 15amp transistor, but it may require some rebiasing the on output transistors. Sherwood have used these transistors in their older model receivers. I just replaced those transistors in my Sherwood RX-4105 Receiver, and they work good as well.

Before I install those transistor. I did a out of circuit 20volt 4amp DC current test to a 4ohm resistor @ 200watt load to compare 2SD2560 / 2SB1647 to the B2510/B1510 mounting them on 5 square inch, 1/8" thick piece of Aluminum, and the results of the test, the 2SD2560 / 2SB1647 heats up in 60 seconds to around 120 degrees F, and the B2510 and D1510 heats up in 30 seconds to around 120 degrees F.

Sherwood RX-4105... | Answered on Aug 17, 2014


show me a picture so I can tell if it is even worth fixing. you may be better off getting another one.

Sherwood RX-4105... | Answered on Aug 14, 2014


no brand of receiver is matched to certain speakers. Denon is a decent brand of receiver (but most of the low to mid range models are almost identical to Pioneer inside). Go with a good receiver that has the functions that you need that fits in your budget.

Sherwood RX-4105... | Answered on Dec 06, 2013


check the numbers on the transistors.Google them and select the one that fits your need.When that site comes up you should have all the data you requested.

Sherwood RX-4105... | Answered on Nov 04, 2013


when you turn your computer you should hear a sound of a relay initially and after about two seconds another sound, is the closure of the speaker relay models if you do not hear the sounds, the team has some short audio output.

Sherwood RX-4105... | Answered on Sep 08, 2013


Which are we talking about? AM or FM. Is it the socket where the aerial goes?

Sherwood RX-4105... | Answered on Jul 29, 2013


Check your antenna connections. Make sure your FM antenna is hooked up to the FM antenna terminal or jack on your Sherwood receiver. If you have the antenna hooked through the coaxial cable, check your coaxial cable with an ohmmeter for continuity. You can buy a volt-ohm meter as little as $12. Usually bad connection occur between coaxial cable and the the coax cable connectors. If that doesn't solve the problem, then there may be something wrong with your tuner card inside of your Sherwood receiver.

If you receivers display does not change channels or frequencies or AM or FM mode, when you try to change the channel or frequencies, or AM or FM mode, there may be something wrong with the front board of your receiver.

If there is something internally wrong your Sherwood receiver, you need to take it to a qualified technician that can fix it. Do not try to repair it yourself. If you don't know what you're doing, you can do far more damage to that Sherwood receiver to the point that would be very costly to repair.

Before you take your Sherwood receiver to a technician, try to unplug the receiver, and leave it unplugged for several minutes, and then plug it back in. If that doesn't solve the problem, then you need to take your Sherwood to a qualified technician.

Sherwood RX-4105... | Answered on Jul 29, 2013

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