Luxman MQ-88uC, Owner'S Manual

Page: 12 / 16

10
Before Asking for Repair Service
While in use, this unit may display phenomena which may be confused as malfunctions. Before contacting your country's official LUXMAN
distributor for repair services, please read the operating instructions and operating instructions for any connected input and through
output devices and check the troubleshooting table below. If the cause of the malfunction cannot be identified, please contact your
dealer. After LUXMAN’s representatives have accepted your request for repair services, inspection fees and transportation expenses
may be claimed, even though the unit may be found to be operating normally.
Problem Cause Solution
No power is supplied even
though the operation switch is
pressed. • The power plug is disconnected from the
wall outlet, or it is not completely inserted.
• Insert the power plug in the wall outlet
completely.
• The power plug is disconnected from the
AC inlet, or it is not inserted completely.
• Securely insert the power plug in the AC
inlet.
No sound is generated.
(for both left and right channels) • The volume control is set at the minimum
level.
• Rotate the volume control clockwise to
adjust the sound volume.
• The input switch is not set to the position of
the source to be played back.
• Set the input switch to the position of the
source to be played back.
• Cable connections are incomplete. • Make cable connections securely.
• The output level of the input device is set to
the minimum position.
• Adjust the output level.
No sound is generated on one
side. • The connecting cable is not connected on
one side only.
• Make cable connections securely.
Humming sound (boon or zzz
noise) is generated. • The ground side of the pin-plug cable has
no contact with the terminal.
• Make connections securely so that the
ground side of the pin-plug cable can be
connected.
• The connecting cables are too close to the
power cable.
• Keep the connecting cables away from the
power cable.
• Induction noise is picked up from a power
transformer of another device.
• Install it distant from other devices.