Luxman M-900u Bruksanvisning

Luxman mottagare M-900u

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Owne sr`
Manual
STEREO POWER AMPLIFIER
M-900u
Contents
Precautions 1 ·············································································································
Features of This Unit 2 ································································································
Names and Functions 4 ······························································································
Connections 8 ············································································································
Block Diagram 13 ·······································································································
Specifications 14 ········································································································
Before Asking for Repair Services 15 ··········································································
STEREO POWER AMPLIFIER M-900u
1
Precautions
Installation place
Install this unit in a location where good ventilation and heat
radiation is assured.
Especially, installation of this unit where direct sunlight is
present, where the temperature rises excessively high such
as close to a heater, or where it is humid or dusty may cause
a malfunction even if heat is efficiently released.
Therefore, do not install this unit in such places.
Ventilation holes
Do not block the ventilation holes of the top and bottom pan-
els. If the amplifier is installed on a rack or the like, secure
ample space for cooling and leave the door open. Do not pile
up other things on the amplifier and never put articles on it.
Failure to observe this may cause a malfunction.
Note:
For heat dispersal, do not install this equipment in a confined
space such as a book case or similar unit.
Precautions in connecting with other
components
When connecting this product to input devices such as a
control amplifier, be sure to turn off the power of this product
and all other connected devices. Failure to observe this may
generate a strong noise resulting in speaker damage or cause
a malfunction.
The pin-plug to be inserted in each input terminal of this unit
shall be pushed in firmly. If the grounding terminal is inade-
quately connected, noises including hum may be generated,
resulting in an adverse S/N ratio.
Cautions in connecting speakers
When making speaker system connections, exercise extra
care not to short-circuit between and of the speaker ⊕ ⊖
terminals and speaker input terminals of this unit.
If a large signal is applied to the amplifier with its circuit left
short-circuited, a large current may be passed through the
output circuit and cause a malfunction.
The sound is not generated shortly after
the power supply is turned on.
This amplifier is equipped with a time muting circuit in order to
separate the output circuit. Therefore, no sound is generated
shortly after the power supply is turned on.
If the volume control is moved to a high sound level before
the time muting circuit is canceled, a large sound is suddenly
generated. Please be advised that the volume control of the
input device such as a control amplifier shall be set to a low
level at first and adjusted according to your taste after sound
comes out of the speakers.
Protection circuit
This product is equipped with a protection circuit that is ac-
tivated upon detection of overcurrent, abnormally high tem-
perature, and DC drift to protect the amplifier and speakers.
When the protection circuit is activated, the output to the
speaker terminal is shut off and the standby indicator lights
up to show that this product is in the standby state. If the
protection circuit is frequently activated even after the power
switch is turned off, the power plug is disconnected from the
wall outlet, the power plug is connected again after a lapse
of a certain time, and the power switch is turned on again,
please consult your dealer.
Repair and adjustment
When repair and adjustments are needed, please ask the
dealer where you bought the unit.
Cleaning
For cleaning, use a piece of soft cloth to wipe the unit such as
cleaning cloth available on the market. If the unit has become
very dirty, remove the dirt with soft cloth absorbing a small
amount of neutral detergent, and then wipe the unit with dry
cloth. Do not use a solvent like benzine or thinner because
such a substance can often damage the exterior.
* Note
Wall
* *
*
Exercise extra care when this unit is unpacked, assembled,
transported, and installed because this unit is heavy.
SAFETY CAUTIONS
CAUTION

Produktspecifikationer

Varumärke: Luxman
Kategori: mottagare
Modell: M-900u

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