The front left and right speaker channels on my sony amp cut out a few minutes after the amp is switched on. there is a click every time it does this as if it was switching between speaker channels.the amp usually settles down after 15 to 20 minutes but it is annoying especially when using the full 5.1 surround set up.the front centre and rear channels are unaffected.will i need to have the amp serviced or is it an easily fixed problem? thanks stephen
I lean toward an overhating condition since the unit does not go into protection mode right away, and then returns.
My thoughts are as follows...
1) The receiver needs better ventilation
2) The speakers are below the rated minimum nominal impedance, causing the amplifier to strain and overheat
3) There is a problem within the amplifier that is causing this problem - this is not user repairable.
I'd try another pair of speakers which are rated at 8 ohm nominal impedance and give it a trial. At the same time, monitor the heat output from the unit (note that modern amplifier sections do run hot). If the unit runs extremely hot at a low volume and still shuts down on 8 ohm speakers, it's time for service or replacement depending on value.
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loose connections,issues. disconnect center and front speakers from this receiver. turn on with rear and subwoofer. horrible sound but the point is it will eliminate the speaker issues and confirm loose connection if the receiver continues to behave the way you described.I have repaired a few for loose connections.
You can plug into the left channel and it will feed both the left and right channels.
To confirm that it's feeding both channels, connect the speaker to one channel at a time. With signal fed into the left channel only, you should get sound when you connect the speaker to either channel.
You can download the installation manual from the link below:
It has the following diagram plus other hookup info...
Please update the question & let us know if the information given was useful to you - Good Luck!