Radio will not turn ON
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Try the reset button.
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Check fuse.
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Check 12V+ on Accessory/Ignition wire to radio (RED wire).
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Check Ground.
Radio turns ON, but no sound
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Verify Volume¸ Fader/Balance¸ Mute controls are set correctly (see owners manual).
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Try RESET button.
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Verify proper speaker connections.
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Check for shorts or opens on speaker wires.
CD does not load fully
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Make sure unit has power and no other CD is currently inside.
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Inspect radio's chassis to verify shipping screw(s) have been removed.
CD does not play correctly
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Check to make sure disc is inserted correctly.
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Verify disc is free from dirt, scratches, etc.
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Check with factory CDs.
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Check factory original CDs for compatibility warnings (due to various copy-protection,
multi-media content, etc).
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Disc skips during playback – verify you have not exceeded 30 degrees mounting angle.
No AM or FM reception
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Verify you are tuned to a valid station.
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Check your antenna connection on rear of stereo.
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Replace with another antenna.
No audio in AUX mode
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Verify audio cable is connected securely to radio and source.
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Test with different audio cable.
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Verify volume level on source is turned all the way up.
B. Woods
Tech Services
02.19.10
MCD5070 Troubleshooting Guide