Denon DN-T625, Operating Instructions Manual

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20
ENGLISH
22 TROUBLESHOOTING
Make sure of the followings before you consider as any malfunctions :
1. Are all the connections correct?
2. Are all system components being operated correctly in accordance with the operating instructions?
3. Are the speakers and amplifier/receiver functioning correctly?
If the tape deck still does not function properly, check the symptom against the list below. If the symptom does
not correspond to the check list, please contact your DENON dealer.
Problem Cause Remedy
Disc holder does not open/close. • Power operation switch is not
turned on.
• Turn the power operation switch
on.
When a disc is loaded, “TOC Error”
or “No Disc” is displayed. • Disc is not properly loaded. • Reload the disc.
When the play/pause ( 1 3 ) button
is pressed, playback does not start.
• Disc is dirty or scratched. • Clean the disc.
There is no sound, or it is distorted. • Output cord is not properly
connected.
• Amplifier adjustment is
inappropriate.
• Connect the output cord properly.
• Readjust the amplifier.
A specific section of the disc will
not play. • Disc is dirty or scratched. • Clean the disc.
Programmed playback does not
work. • Programmed playback operation
has been performed improperly.
• Restart programmed playback.
Tape does not run. • Power cord is disconnected.
• Tape is loose.
• Cassette is not loaded properly.
• Defective cassette. • Check power cord.
• Tighten tape with a pencil, etc..
• Load cassette properly.
• Replace cassette.
Tape is not recorded when rec/rec
mute (
4 ) button is pressed.
• No cassette is loaded.
• Erase prevention tabs are broken
off.
• Load cassette.
• Cover holes with adhesive tape.
Sound is warbled or distorted. • Heads, capstan or pinch roller are
dirty.
• Tape is wound too tight.
• Recording input level is too high.
• Tape is worn out and has
“dropouts”.
• Clean them.
• Fast forward or rewind to loosen
tape winding.
• Adjust recording input level.
• Replace tape.
Excessive noise. • Tape is worn.
• Heads, capstan or pinch roller are
dirty.
• Heads are magnetized.
• Recording input level is too low.
• Replace tape.
• Clean them.
• Demagnetize heads.
• Adjust recording input level.
High frequency range (treble) is
emphasized. • DOLBY NR switch is set
improperly.
• Set DOLBY NR switch properly.
High frequency range (treble) is
lost. • Heads are dirty.
• Tape is worn. • Clean them.
• Replace tape.
The cassette tape cannot be
removed. • If the power operation switch is
turned off either during recording
or playback and the unit is
stopped, there may be cases
when the cassette cannot be
removed, even if the eject (
5 )
button is pressed.
• Turn the power operation switch
ON ( ¢ ) again, and then press the
stop (
2
) button.
• Now, press the eject ( 5 ) button to
remove the cassette tape.
2
CD SECTION
Type :
Single-mechanism compact disc player
Audio Channel : 2 channel stereo
Quantization : 16-bit Liner
Sampling Frequency : 44.1 kHz at Normal Pitch
Oversampling Ratio : 8 times
Frequency Response : 20 to 20,000 Hz
Total Harmonic Distortion : 0.009 %
Signal-to-noise Ratio : 98 dB
Dynamic Range : 86 dB
Channel Separation : 70 dB
Unbalanced Output : RCA jack
Output Level : 2.0 V at 0 dB disc
Load Impedance : 10 k
Ω
/ kohms or more
Balanced Output : 3-Pin XLR
Output Level (Stereo) : +18 dBu at 0 dB disc
Load Impedance : 600
Ω
/ ohms
Output Level (Mono) : L channel : +18 dBu, R channel : –10 dBu
Digital Output : RCA jack
Signal Format : SPDIF or IEC-958 Type II
Variable Pitch Control : ±12 % max.
Frame Search Accuracy : 1/75 second
Discs : Standard compact discs (12 cm and 8 cm)
CD Mechanism Service Life : 1000 hours (continuous playback)
2 CASSETTE DECK SECTION
Type :
4-track, 2-channel stereo cassette deck
Heads : Recording/playback head (hard parmalloy) x 1
Erase head (Double-gap ferrite) x 1
Motors : DC servo motor x 2
Tape speed : 4.8 cm / sec. (FIX)
Variable (PLAY) : Approx. ±12 % or more
Fast Forward, Rewind Time : Approx. 110 sec. (C-60)
Recording Bias : Approx. 105 kHz
Overall S/N Ratio (at 3 % THD level) : 60 dB (Dolby B NR on, CCIR/ARM)
Wow & Flutter : 0.06 % WRMS (JIS method)
Unbalanced Inputs Line : RCA jack
Inputs Sensitive : 50 mV
Inputs Impedance : 47 k
Ω
/ kohms
Balanced Inputs Line : 3-Pin XLR
Inputs Sensitive : 90 mV
Inputs Impedance : 120 k
Ω
/ kohms
MIC Input : 1/4” TRS Type
Inputs Sensitive : 0.775 mV (mic level maximum)
Unbalanced Outputs Line : RCA jack
Outputs Level : 775 mV (0 dB) (with 47 k
Ω
/ kohms load, 200 nWb / m)
Balanced Outputs Line : 3-Pin XLR
Outputs Level (Stereo) : +4 dBu (0 dB) (with 600
Ω
/ ohms load, 200 nWb / m)
Outputs Level (Mono) : L channel : +4 dBu, R channel : –10 dBu
2
REMOTE 9P D-Sub (Serial port)
Wired Remote Control Connection (Stereo mini jack)
Remote Control Sensor
25P D-Sub (Parallel) (DN-T645 only)
2
GENERAL
Headphone Output :
Stereo (CD, TAPE/MIX)
Outputs Level : 15 mW
Load Impedance : 33
Ω
/ ohms
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)
Power Consumption : 25 W
Installation : 19-inch rack mountable (3U)
Mass : 6.7 kg
For improvement purposes, specifications and design are subject to change without notice.
Dolby noise reduction and HX Pro headroom extension manufactured under license from Dolby Laboratories
Licensing Corporation. HX Pro originated by Bang & Olufsen.
“DOLBY”, the double-D symbol and “HX PRO” are trademarks of Dolby Laboratories Licensing
Corporation.
23 SPECIFICATIONS