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TASCAM CD-RW750
Owner’s Manual
6 – Reference and specifications
Troubleshooting
Specifications
Audio performance
Symptom
Possible cause and remedy
No sound on playback (the disc is playing and the
time display is incrementing)
The connections from the CD-RW750 to the amplifier system have not been made properly, or the
input source selector is not at the correct position.
No meter indication when a source is input
Analog and/or digital volume (“Input selection” on page 18) is set too low. The signal is being
input through an unselected input source.
D-IN UNLOCK!
A digital input source has been selected, but the source is not connected or is not switched on.
Cannot record on a disc (pressing
RECORD
shows
MONITOR
)
A finalized disc has been inserted. Use an unfinalized recordable disc.
PGM Full !
An attempt has been made to create more than 32 program steps.
Disc Full!
or
Cannot Rec!
There is no space on the disc, or no tracks are available, or a general recording error has occurred.
Not FS 44.1k!
You are trying to do digital direct recording from a source which has not been recorded at 44.1 kHz
(“Digital direct” on page 23).
Disc Error
The disc is bad. If it is a CD-RW disc, you may refresh it (“Refreshing a disc” on page 26), otherwise
replace the disc.
Erase Error!
An error has occurred while trying to erase the disc.
The display suddenly shows
PMA Writing
Either the disc is full (this message will be prefaced by
Disc Full!!
(“Full disc” on page 20)
or an attempt has been mode to write more than 99 tracks.
Rec Error
General recording error. This may be caused by vibration or a shock during recording, for example,
or may be the result of a bad disc. Try recording again with the same disc. If the message appears
again, try a different disc.
No OPC Area!
Appears only with CD-R discs. The OPC area is full, and no further recording is possible on this disc.
Finalize the disc.
System Err!
Need Repair!
These messages indicate an internal error in the unit. Consult your dealer or distributor regarding
repair facilities.
No CD-DA
Shown when the input source is incompatible (e.g. the source is a CD-ROM , or the digital audio
format is AES3).
Recording media type
CD-R, CD-RW, CD-RDA, CD-RWDA
Recording resolution
16-bit linear
Recording sampling frequency
44.1 kHz (playback ±0.5 dB,, recording ±1 dB)
Frequency converter input
32 kHz — 48 kHz
Frequency response
20 Hz — 20 kHz ±1 dB (playback), +1 dB, –1.5 dB (recording)
S/N ratio
>92 dB (playback)
>88 dB (recording)
Dynamic range
>92 dB (playback)
>88 dB (recording)
Total harmonic distortion
<0.008% (playback)
<0.01% ((recording)
Channel separation
>80 dB (playback : 1 kHz)
>75 dB (recording : 1 kHz)
Wow & flutter
Unmeasurable (< 0.001%)
