Well, if the headphones work,then the amp in the rcvr is working.
Make sure speakers are hooked up properly (Spr A, Spr B, etc.)
Be sure speakers are selected properly on the front panel.Look in the owners manual and see if its possible to reset the reciever.If this is an older unit, speaker relay may be dirty or defective or unit is in protection.If unit used to make a click after a few seconds when first turned on and now it doesn't, then the relay is not working.
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