Marantz PMD620MKII Betriebsanweisung Seite 89

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77
Troubleshooting
Should problems occur, it is often unnecessary to consult
your dealer or technical service department. On the basis of
the following checks, you may be able to rectify a number of
conditions yourself without difficulty. If the condition cannot be
remedied after the following check, please consult your dealer or
service centers.
Service centers are listed at http://www.d-mpro.com.
The PMD620MK
II
does not turn on.
• Installfreshbatteries.
• CheckACadapterconnections.
The PMD620MK
II
turns on then turns itself off.
• Installfreshbatteries.
The PMD620MK
II
seems to record, but there is no sound on
playback.
• Checkinputsettings.
(For example, if LINE input is selected and no input is
connected to the LINE jack, the PMD620MK
II
will record
silence. The PMD620MK
II
will not playback.)
There is no audio playback through headphones or internal
speaker.
• CheckVOL+/–controlsetting.
• Checkadifferentaudiofileorthecard.
The PMD620MK
II
will not record.
• Checkthatthemaximumof999fileshavenotbeenrecorded.
• CheckthatthePMD620MK
II
acknowledges the card.
No signal from microphone input.
• Checkinputselection.
• CheckRECLEVELcontrolsettings.
• Checkifmicrophone(s)require(s)Phantompower.
There is excessive noise on the PMD620MK
II
.
• Checkcableconnectionsand/orreplacecable.
• Checkforpropergainlevels.
Playback on a PC results in poor sound.
• CheckqualityofPCsoundcardandprogram.
• Checkfrequencyconversionprogram.*
* The PMD620MK
II
records audio files with a sampling
frequency of 48kHz. Some PC programs convert the files to
44.1kHz (using a sample rate converter). Only high quality
sample rate converters should be used.
PC cannot read files
• Check the capability of the PC program. Some playback and
editing programs do not support MP3 or Broadcast Wave
(.wav) formats.
• Use DMP Mark Editor to play files recorded with encrypted
recording on a computer.
If the PMD620MK
II
exhibits erratic behavior, the microprocessor
can be reset by powering off, disconnecting AC power and
removing batteries.
Care and Maintenance
Use a soft cloth slightly moistened with mild detergent solution.
Media cards that are heavily used should be occasionally
reformatted to avoid audio problems due to fragmentation.
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