Coby CRA50 Manuel D'instructions page 10

The unit does not turn on.

Make sure the unit has been powered on manually.

Ensure that the power cord has been properly connected to the power outlet and the power
supply for CR-A54 is 120V 60Hz or 220V 50Hz and for CR-A50 is 120V 60Hz.
There is no sound.

Ensure that the volume of CR-A54/50 and or external device has been set to a reasonable
listening level.

Make sure the external device has been properly connected to CR-A54/50 by audio cable.
Page 10
All manuals and user guides at all-guides.com
Troubleshooting & Support