Sherwood RX-4105 Receiver will not stay on

Sounds like you have power supply issues, pull the cover off and see if you can see any bad capacitors for starters

Sounds like a defect to me return it for a working model.

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.

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.

Unfortunately the RX-4105 is a stereo only receiver with only analog L/R inputs. You will have to find a stereo output & go in through one of the stereo inputs.

Sounds like the power inverter/converter is faulty. (this is the box that is attached to power cord)

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.

if bose unit has built in amplifier .Then your sherwood would have to have a variable RCA output jacks in order to work with sub.Then bose audio input RCA cable would connect there.If bose unit does not have built in amp .Then you would connect sherwood left/right speaker outputs into bose left/right inputs .Then other bose speakers will connect to bose unit

you may be using an equalizer? try to pop-up the volume with all tone controls in flat mode. see if it still cuts off. if this is the first time youencounter this then something must be wroing with either your speakers or your amp. unless your ventilation is not good enoughg, you can also try placing a blower on top of your unit to cool it down