56
Troubleshooting
Use this troubleshooting guide as an aid to remedy any problems.
Symptom
The unit does not turn 
on.
No sound is reproduced 
from neither the left or 
right speaker.
Noise is heard.
The disc skips sounds.
Track numbers cannot 
be stored when setting 
MEMORY playback.
The disc is loaded in the 
disc tray, but playback 
will not begin.
Search time (when 
moving to a specific 
track) is extremely long.
Disc cannot be loaded.
The unit does not 
record.
The disc name or track 
name cannot be 
entered.
Cause
The AC power cord (mains lead) is not fully 
inserted into the wall outlet (the mains).
• The wire of the speaker cord is touching the 
other jacks, connectors, or metal parts.
• The volume level is turned down to the 
minimum.
• The sound is muted with the muting 
function.
• The headphones are connected to the 
PHONES jack.
• The audio cables are not inserted firmly.
Strong magnetism from a television or a 
similar device is interfering with operations.
• Vibrations are being transmitted to the unit.
• The disc is severely scratched.
• The disc is extremely dirty. – CD
• There is no disc inserted in the unit.
• A track number not on the disc is being 
input.
• The disc is inserted with the wrong side 
facing upward. – CD
• The disc is extremely dirty. – CD
• The disc is dirty or damaged. (“Disc Error” 
appears in the display.) – MD
• The disc inserted is not recorded. – MD
• Moisture has formed inside the unit.
• The disc is dirty.
• The disc is scratched.
• The wrong side of the disc being inserted is 
facing to the unit.
• The disc is record-protected. (“Protected” 
appears in the display.)
• The unit is not connected properly to the 
sound source.
• The analog recording level is too low.
• A playback-only disc is inserted. (“Cannot 
Rec” appears in the display.)
• There is not enough time left on the disc.
• The optical digital audio cable is not 
connected properly. (“D. In Unlock” appears 
in the display.)
• There has been a power failure or the AC 
power cord (mains lead) has been 
disconnected.
• “Retry Error” appears in the display.
• The disc is record-protected. (“Protected” 
appears.)
• A playback-only disc is inserted. (“Cannot 
Rec” appears.)
Remedy
Insert the AC power cord (mains lead) plug 
to the wall outlet (the mains) securely.
• Check the speaker connections.
• Adjust the volume level.
• Press MUTING on the remote control to 
restore the sound.
• Turn down the volume level first, then 
disconnect the headphones.
• Check the connections and insert the audio 
connection cable plugs firmly.
Turn off any television or similar devices or 
move them away from the unit.
• Place the unit in a vibration free location.
• Replace the disc with a new one.
• Clean the disc.
• Insert a disc into the unit.
• Input only the track numbers on the disc.
• Insert the disc with the label side facing 
upward.
• Clean the disc.
• Replace the disc with a new one.
• The disc may be reused after erasing all the 
data.
• Replace the disc with a recorded one.
• Take the disc out and leave the unit for 
several hours until the moisture evaporates.
• Clean the disc.
• Replace the disc with a new one.
• Insert the disc in the direction of the arrow 
printed on the disc.
• Close the record-protect window on the 
disc.
• Check the connections and insert the audio 
connection cable plugs firmly.
• Adjust the recording level properly.
• Replace the disc with a recordable one.
• Replace the disc with another recordable 
disc with enough recording time, or delete 
unnecessary tracks of the disc.
• Connect the optical digital audio cable 
properly.
• The recorded contents in the unit memory 
will be erased and will not be recorded onto 
the MD.
• Eject the MD, then insert it again and retry 
recording.
• Close the record-protect window on the 
disc.
• Replace the disc with a recordable one.
If the unit does not operate properly even after attempting the prescribed remedies, unplug and then plug in the power cord again.
Pages
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6 
14 
14 
14
9
9
– 
55 
55
16, 18, 26
26
16, 55
55
52, 55
33 
18
3
55 
55
18
22, 52, 55
8 
25
22, 52 
33, 34
8, 14, 38
23
23
30, 55 
30, 55
Amplifier
CD/MD
CD
MD
Problems may also be caused by any of the other components connected to this unit. Please check the table below, crossreferencing with the instruction manuals of the other components. If the problem still persists after trying these remedies and 
referring to the other components’ instruction manuals, consult your nearest ONKYO authorized service center, giving your 
name, address, phone number, product name, and the details of the problems.
Das private Onkyo Archiv © von Dirk Gardi 
Der Online-Treff zum Thema Onkyo! 
www.gardi.de
Das private Onkyo Archiv © von Dirk Gardi 
Der Online-Treff zum Thema Onkyo! 
www.gardi.de
Das private Onkyo Archiv © von Dirk Gardi 
Der Online-Treff zum Thema Onkyo! 
www.gardi.de