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Before Asking For Repair Services - Luxman CL-38uSE Owner's Manual

Vacuum tube control amplifier

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Before Asking for Repair Services

While the unit is used, an unusual phenomenon may be confused as a malfunction for a certain reason. Prior to asking our official
sole distributor of your country for repair services, please check the table below and read the operating instructions for the subsidiary
devices. If the cause of the malfunction cannot be identified, please contact your dealer. When we have once accepted your request
for repair services, inspection fees and traveling expenses may be claimed even though the unit is found to be normal.
Problem
No power is supplied even
though the power switch is
pressed ON.
No sound is generated.
(Both L and R)
No sound comes out from one
side.
Humming sound (boon or zzz
noise) is generated.
14
Cause
• The power plug is disconnected from the
wall outlet, or it is not completely inserted.
• The power plug is disconnected from the
AC inlet, or it is not inserted completely.
• The volume control is set at the minimum
level.
• The volume is muted.
• The input selector is not set to the source
position to be played back.
• Cable connections are incomplete.
• The output level of the input device is set to
the minimum position.
• The connecting cable is not connected on
one side only.
• The ground side of the pin-plug cable has
no contact with the terminal.
• The ground wire of the record player is not
connected.
• Connections or mounting conditions are in-
complete between the cartridge and shell,
or between the shell and tone arm of the
record player.
• The connecting cables are too close to the
power cable.
• Induction noise is picked up from a power
transformer of another device.
Solution
• Insert the power plug in the wall outlet com-
pletely.
• Securely insert the power plug in the AC in-
let completely.
• Rotate the volume control clockwise to ad-
just the sound volume.
• Cancel the MUTE mode.
• Set the input selector correctly.
• Make cable connections securely.
• Adjust the output level.
• Make cable connections securely.
• Make connections securely so that the
ground side of the pin-plug cable makes
contact with the terminal.
• Connect the ground wire of the record play-
er to the SIGNAL GND terminal.
• Connect (or mount) the cartridge, shell, and
tone arm securely.
• Keep the connecting cables away from the
power cable.
• Install it distant from other devices.

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