Coby CRA59 Série Manuel D'instruction page 11

The unit does not turn on.
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Make sure the unit has been powered on manually.
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Ensure that the power cord has been properly connected to the power outlet and the power
supply for the CRA59 is AC 120V.
There is no sound.
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Ensure that the volume of CRA59 and/or external device has been set to a reasonable listening
level.
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Make sure the external device has been properly connected to CRA59 with an audio cable.
Troubleshooting & Support Page 11