RJM SoundPals DAC-24 User Manual - page 11
DAC-24 User Guide
Page 8
DAC-24 Internal Jumpers
This section provides information about the DAC-24’s internal jumpers and adjustments.
NOTE For detailed instructions on opening and closing the DAC-24, see
“Inside the Module.”
The figure below shows the DAC-24’s internal jumper locations:
DAC
04-0223-
J3
J1
Input
Termination
Jumper
•
To change the AES input from terminating to bridging, remove jumper J1.
DAC-24 Troubleshooting
The table below lists several DAC-24 problems, and provides a variety of “checklist” procedures
designed to solve them.
Problem
Procedure
No signal at any
analog output.
•
Is power applied? Check the power LED and power supply.
•
Is a valid AES input signal connected? Check ERR LED off.
•
Is the input signal silent? Check the signal source.
No audio on XLR
outputs.
•
Are the outputs connected correctly? Check
+
to pin 2, to pin 3
(balanced) or hot to pin 2, ground to pin 1/shell, pin 3 open
(unbalanced).
No audio on
headphone output.
•
Is the volume control turned up?
•
Is the phone jack connected correctly? Check left hot to tip, right hot
to ring, ground to sleeve.
Emphasis on input is
not corrected.
•
Does AES channel status indicate emphasis? Check EMPH LED on.
•
Is the sampling frequency within 4% of 48 KHz, 44.1 KHz or 32 KHz?
•
Does the emphasis use 50/15
µ
s time constants?
NOTE Please contact the RJM factory if the problem still exists after completing the
above procedures.