• Owners Manuals
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• How can I locate the closest Onkyo approved service center?
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• Where do I find the serial number on my unit?
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• I have a unit that is still in warranty, what do I bring to a service center to let them know it is under warranty?
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• What types of CDs can I play on my DX-C390?
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• What types of CDs can I play on my C-7030?
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• Does the C-7030 support random playback?
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• Do I need anything else to use my DX-C390?
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