Marantz PMD661MK II - Troubleshooting Common Issues; Device Power and Recording Problems; PC Connectivity and Sound Quality; General Care and Maintenance

65
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 PMD661MKII does not turn on.
• Installfreshbatteries.
• CheckACadapterconnections.
The PMD661MKII turns on then turns itself off.
• Installfreshbatteries.
The PMD661MKII 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 PMD661MK
II will record silence. The
PMD661MK
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 PMD661MKII will not record.
• Checkthatthemaximumof999fileshavenotbeenrecorded.
• CheckthatthePMD661MK
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 PMD661MKII.
• 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 PMD661MK
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 PMD661MK
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.