ENGLISH
22TROUBLESHOOTING23SPECIFICATIONS
Make sure of the followings before you consider as any malfunctions :2 CD SECTION
1. Are all the connections correct?Type :Single-mechanism compact disc player
2. Are all system components being operated correctly in accordance with the operating instructions?Audio Channel :2 channel stereo
3. Are the speakers and amplifier/receiver functioning correctly?Quantization :16-bit Liner
If the tape deck still does not function properly, check the symptom against the list below. If the symptom doesSampling Frequency :44.1 kHz at Normal Pitch
not correspond to the check list, please contact your DENON dealer.Oversampling Ratio :8 times
Frequency Response :20 to 20,000 Hz
Total Harmonic Distortion :0.009 %
ProblemCauseRemedy
Signal-to-noise Ratio :98 dB
Disc holder does not open/close.Y Power operation switch is notY Turn the power operation switchDynamic Range :86 dB
turned on.on.Channel Separation :70 dB
Unbalanced Output :RCA jack
When a disc is loaded, OTOC Error�Y Disc is not properly loaded.Y Reload the disc.Output Level :2.0 V at 0 dB disc
or ONo Disc� is displayed.Load Impedance :10 k& / kohms or more
Balanced Output :3-Pin XLR
When the play/pause (13) buttonY Disc is dirty or scratched.Y Clean the disc.Output Level (Stereo) :+18 dBu at 0 dB disc
is pressed, playback does not start.Load Impedance :600 & / ohms
Output Level (Mono) :L channel : +18 dBu, R channel : �10 dBu
There is no sound, or it is distorted. Y Output cord is not properlyY Connect the output cord properly.Digital Output :RCA jack
connected.Signal Format :SPDIF or IEC-958 Type II
Y Amplifier adjustment isY Readjust the amplifier.Variable Pitch Control :?12 % max.
inappropriate.Frame Search Accuracy :1/75 second
Discs :Standard compact discs (12 cm and 8 cm)
A specific section of the disc willY Disc is dirty or scratched.Y Clean the disc.CD Mechanism Service Life :1000 hours (continuous playback)
not play.2 CASSETTE DECK SECTION
Type :4-track, 2-channel stereo cassette deck
Programmed playback does notY Programmed playback operationY Restart programmed playback.
Heads :Recording/playback head (hard parmalloy) x 1
work.has been performed improperly.
Erase head (Double-gap ferrite) x 1
Tape does not run.Y Power cord is disconnected.Y Check power cord.Motors :DC servo motor x 2
Tape speed :4.8 cm / sec. (FIX)
Y Tape is loose.Y Tighten tape with a pencil, etc..
Variable (PLAY) :Approx. ?12 % or more
Y Cassette is not loaded properly.Y Load cassette properly.Fast Forward, Rewind Time :Approx. 110 sec. (C-60)
Y Defective cassette.Y Replace cassette.Recording Bias :Approx. 105 kHz
Overall S/N Ratio (at 3 % THD level) : 60 dB (Dolby B NR on, CCIR/ARM)
Tape is not recorded when rec/recY No cassette is loaded.Y Load cassette.
Wow & Flutter :0.06 % WRMS (JIS method)
mute (4) button is pressed.Y Erase prevention tabs are brokenY Cover holes with adhesive tape.Unbalanced Inputs Line :RCA jack
off.Inputs Sensitive :50 mV
Inputs Impedance :47 k& / kohms
Sound is warbled or distorted.Y Heads, capstan or pinch roller areY Clean them.Balanced Inputs Line :3-Pin XLR
dirty.Inputs Sensitive :90 mV
Y Tape is wound too tight.Y Fast forward or rewind to loosenInputs Impedance :120 k& / kohms
MIC Input :1/4� TRS Type
tape winding.
Inputs Sensitive : 0.775 mV (mic level maximum)
Y Recording input level is too high.Y Adjust recording input level.
Unbalanced Outputs Line :RCA jack
Y Tape is worn out and hasY Replace tape.Outputs Level :775 mV (0 dB) (with 47 k& / kohms load, 200 nWb / m)
Odropouts�.Balanced Outputs Line :3-Pin XLR
Outputs Level (Stereo) :+4 dBu (0 dB) (with 600 & / ohms load, 200 nWb / m)
Excessive noise.Y Tape is worn.Y Replace tape.
Outputs Level (Mono) :L channel : +4 dBu, R channel : �10 dBu
Y Heads, capstan or pinch roller areY Clean them.
2 REMOTE9P D-Sub (Serial port)
dirty.
Wired Remote Control Connection (Stereo mini jack)
Y Heads are magnetized.Y Demagnetize heads.Remote Control Sensor
Y Recording input level is too low.Y Adjust recording input level.25P D-Sub (Parallel) (DN-T645 only)
High frequency range (treble) isY DOLBY NR switch is setY Set DOLBY NR switch properly.2 GENERAL
Headphone Output :Stereo (CD, TAPE/MIX)
emphasized.improperly.
Outputs Level :15 mW
High frequency range (treble) isY Heads are dirty.Y Clean them.Load Impedance :33 & / ohms
lost.Y Tape is worn.Y Replace tape.Power supply :120 V AC ?10 %, 60 Hz (for U.S.A. & Canada models)
230 V AC ?10 %, 50 Hz (for European & U.K. models)
The cassette tape cannot beY If the power operation switch isY Turn the power operation switchPower Consumption :25 W
removed.turned off either during recordingON (c) again, and then press theInstallation :19-inch rack mountable (3U)
Mass :6.7 kg
or playback and the unit isstop (2) button.
stopped, there may be casesY Now, press the eject (5) button toFor improvement purposes, specifications and design are subject to change without notice.
when the cassette cannot beremove the cassette tape.Dolby noise reduction and HX Pro headroom extension manufactured under license from Dolby Laboratories
removed, even if the eject (5)Licensing Corporation. HX Pro originated by Bang & Olufsen.
button is pressed.
ODOLBY�, the double-D symbol and OHX PRO� are trademarks of Dolby Laboratories Licensing
Corporation.
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ACEC
