Try these solutions:
1. Make sure the unit is not in Standby mode (indicated by dim power LED)
2. Check that the source component is properly connected
3. Check that your speakers are properly connected
4. Make sure the selected speaker A/B light corresponds to the speaker terminals that the loudspeakers are connected to
5. Make sure the unit is not in mute mode
The mute indicator (7) will flash to show that the outputs are muted.
6. Check that the correct analog or digital input button has been selected on the front panel
7. Make sure to select the balanced input
To select the balanced input on the CXA81/81 Mk II, press the A1 button twice on the front panel or on the remote control so that the A1 light on the front panel display lights up Orange. (repeatedly pressing the A1 button will toggle between balanced and unbalanced inputs) There will be no sound if the balanced inputs are being used on the amplifier but have not been selected.