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SPECIFICATIONS
AND DIMENSIONS
SPECIFICATIONS
Audio characteristics
Channels ............................................... 2 channels
Frequency response ...................... 2 Hz to 20 kHz
Dynamic range ............................................ 100 dB
Signal-to-noise ratio .................................... 110 dB
Channel separation ........................ 100 dB (1 kHz)
Harmonic distortion ..................... 0.0025% (1 kHz)
Wow & flutter ............................ Precision of quartz
Error correction system ............... Cross-interleave Reed
Solomon code (CIRC)
Audio output ................................ 2.0 V rms, stereo
Headphone output
.............. 18 mW/32 ohms (variable maximum)
Digital output
Coaxial output (pin jack) ............. 0.5 Vp-p, 75 ohms
Optical output (square optical connector)
........................... -19 dBm
Optical readout system
Laser ................................. AlGaAs semiconductor
Wavelength ................................................ 780 nm
Signal system
Sampling frequency ................................. 44.1 kHz
Quantization ........................... 16-bit linear/channel
Power supply
N version ....................................... AC 230 V 50 Hz
Power consumption ........................................ 12 W
22
Cabinet, etc.
Maximum dimensions
................... 440(W) x 89(H) x 317 (D) mm
Weight .......................................................... 5.7 kg
Allowable operating temperature
............................................... +5 to +35°C
Allowable operating humidity
...................... 5 to 90% (no condensation)
This player's specifications and exterior are subject
to change without notice for improvements.
DIMENSIONS (UNIT: mm)
440
CD PLAYER CD7300
TROUBLESHOOTING
If you think that something is wrong with your player,
first check the points listed below. Incorrect
operations can sometimes be taken for trouble and
malfunctions. If the trouble persists even after the
following points have been checked, consult your
dealer or nearest Marantz sales office or service
center.
Disc fails to turn.
• Has the power cord been connected properly?
• Has the player's power been turned on?
• Has the disc been placed in the proper position?
• Is the disc upside down? (Is the disc's label surface
facing up?)
• Is the disc dirty?
• Is the disc scratched?
• Is the disc warped?
Disc turns but no sound is heard.
• Have the amplifier and speakers been connected
properly?
• Has the amplifier's power been turned on?
• Has the amplifier's function or selector switch been
set to "CD" or "AUX" (or to whichever connectors
the player has been connected)?
• Is the amplifier's volume at its lowest setting?
Disc starts turning but then stops at some point.
• Is the disc dirty?
• Is the disc scratched?
• Is the disc warped?
• Is the disc being played a music CD? CD-ROMs
(except their MP3 files) for personal computers,
etc. cannot be played.
No remote control operations.
• Is the transmitter of the remote control unit
(RC7300CD) pointed at the remote sensor of the
player? Is there anything between the player and
remote control unit which is blocking the signals?
• Have the batteries of the remote control unit
(RC7300CD) run down?
• Is a strong light shining on the remote sensor of
the player?
• Is the REMOTE CONTROL switch on the rear
panel set to the EXTERNAL position? (Set it to
the INTERNAL position if the player is to be used
on its own.)
CD-R/CD-RW discs cannot be played.
• Has the disc been placed upside down on the disc
tray?
• Is the recorded information in a format (CD-DA or
MP3) used for music applications?
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