Obtaining Additional Help
For problems not addressed here, have the model, serial
number and date of purchase of the MUSE component
handy and contact your local dealer or contact Acurus
Customer Service at 1-866-781-7284 M-F, 9AM to 5PM
E.S.T. or email support@acurusav.com.
Problem or symptom Possible cause recommendations
MUSE switches on (display shows
home screen) but does not produce
audio
HDMI cable
inadequate
• Check to ensure HDMI cables are of high quality and rated
for HDR (High Speed) if applicable. Use DPL-certified active
HDMI cables for runs longer than 3 meters.
Amplifiers not
active
• Check to ensure the external amplifier(s) are powered on
and signal cables between MUSE and the external amplifier
are connected.
Defective source
device or cables
• Check connections between source device and MUSE.
• Try using an alternate source device to eliminate the
possibility of an MUSE problem.
• Check source device RCA or Optical cables for faults.
MUSE input setting
issue
• Make sure the MUSE input number matches the source
device connection
Not all MUSE channels appear to be
working
Loudspeaker
connection issue
• Check loudspeaker connections at the amplifier and at the
speaker terminals. Look for frayed, shorted, or disconnected
leads.
Speaker layout
setting issue
• Check MUSE audio settings menu to ensure speaker layout
is set to include all connected speakers in the room.
Source device
connection issue
• Check connections between source device and MUSE
• Try using an alternate source device to eliminate the
possibility of an MUSE problem.
• Check source device RCA cables for faults
Sound Mode
incorrect for source
• Check to make sure the sound mode selected is capable of
producing sound in all channels (see page 18).
MUSE sound is garbled or distorted
Shorted or poorly
connected
loudspeaker wires
• Check loudspeaker connections at the amplifier and at the
speaker terminals. Look for frayed, shorted, or disconnected
leads.
Defective source
device or cables
• Check connections between source device and MUSE
• Try using an alternate source device to eliminate the
possibility of an MUSE problem.
• Check source device RCA cables for faults
MUSE sound contains hum
Poorly connected
or faulty source
cables
• Ensure that audio cables are inserted fully in RCA jacks
• Replace cables that are suspect
AC ground loop
• Be sure to use either the 3-prong AC cord that came with
the MUSE or equivalent
• Do not remove the ground lug from the AC cord
• Plug all devices into the same AC outlet if possible
Cable or Satellite
TV grounding issue
• Verify source by disconnecting incoming cable line or
satellite dish cable to see if hum disappears. If this is the
source, then hum will disappear when the cable is
disconnected from the system. If so, use an isolation
transformer (such as a Mondial Magic Box) at each of the
cable and/or satellite inputs
Acurus MUSE Immersive Processor USER GUIDE
Revision 20190227
Document 1000905
45
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