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Home Theater Speaker System
HTP-L50
Instruction Manual
Thank you for purchasing the Onkyo home theater speaker
system.
Please read this manual thoroughly before using it.
Following the instructions in this manual will enable you to
obtain optimum performance and listening enjoyment from
your new home theater speaker system.
Please retain this manual for future reference.
English
Contents
Important Safeguards........................ 2
Precautions ....................................... 3
Supplied Accessories........................ 3
Feature .............................................. 4
Control positions and names ............ 4
Speaker placement............................ 5
Connecting the speakers ................... 6
Adjustment procedure ...................... 7
When using only the subwoofer
(SL-105)........................................ 7
Precaution on use.............................. 8
Troubleshooting guide...................... 8
Specifications ................................... 9


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2
PORTABLE CART WARNING
S3125A
Important Safeguards
1. Read Instructions ­ All the safety and operating instructions
should be read before the appliance is operated.
2. Retain Instructions ­ The safety and operating instructions
should be retained for future reference.
3. Heed Warnings ­ All warnings on the appliance and in the
operating instructions should be adhered to.
4. Follow Instructions ­ All operating and use instructions
should be followed.
5. Cleaning ­ Unplug the appliance from the wall outlet before
cleaning. The appliance should be cleaned only as recom-
mended by the manufacturer.
6. Attachments ­ Do not use attachments not recommended by
the appliance manufacturer as they may cause hazards.
7. Water and Moisture ­ Do not use the appliance near water ­for
example, near a bath tub, wash bowl, kitchen sink, or laundry
tub; in a wet basement; or near a swimming pool; and the like.
8. Accessories ­ Do not place the appliance on an unstable cart,
stand, tripod, bracket, or table. The appliance may fall, causing
serious injury to a child or adult, and serious damage to the
appliance. Use only with a cart, stand, tripod, bracket, or table
recommended by the manufacturer, or sold with the appliance.
Any mounting of the appliance
should
follow
the
manufac-
turer's instructions, and should
use a mounting accessory rec-
ommended by the manufacturer.
9. An appliance and cart combina-
tion should be moved with care.
Quick stops, excessive force,
and uneven surfaces may cause
the appliance and cart combina-
tion to overturn.
10. Ventilation ­ Slots and openings in the cabinet are provided
for ventilation and to ensure reliable operation of the appliance
and to protect it from overheating, and these openings must not
be blocked or covered. The openings should never be blocked
by placing the appliance on a bed, sofa, rug, or other similar
surface. The appliance should not be placed in a built-in instal-
lation such as a bookcase or rack unless proper ventilation is
provided. There should be free space of at least 20 cm (8 in.)
and an opening behind the appliance.
11. Power Sources ­ The appliance should be operated only from
the type of power source indicated on the marking label. If you
are not sure of the type of power supply to your home, consult
your appliance dealer or local power company.
12. Grounding or Polarization ­ The appliance may be equipped
with a polarized alternating current line plug (a plug having
one blade wider than the other). This plug will fit into the
power outlet only one way. This is a safety feature. If you are
unable to insert the plug fully into the outlet, try reversing the
plug. If the plug should still fail to fit, contact your electrician
to replace your obsolete outlet. Do not defeat the safety pur-
pose of the polarized plug.
13. Power-Cord Protection ­ Power-supply cords should be
routed so that they are not likely to be walked on or pinched by
items placed upon or against them, paying particular attention
to cords at plugs, convenience receptacles, and the point where
they exit from the appliance.
14. Lightning ­ For added protection for the appliance during a
lightning storm, or when it is left unattended and unused for
long periods of time, unplug it from the wall outlet and discon-
nect the antenna or cable system. This will prevent damage to
the appliance due to lightning and power-line surges.
15. Overloading ­ Do not overload wall outlets, extension cords,
or integral convenience receptacles as this can result in a risk of
fire or electric shock.
16. Object and Liquid Entry ­ Never push objects of any kind
into the appliance through openings as they may touch danger-
ous voltage points or short-out parts that could result in a fire or
electric shock. Never spill liquid of any kind on the appliance.
17. Servicing ­ Do not attempt to service the appliance yourself as
opening or removing covers may expose you to dangerous volt-
age or other hazards. Refer all servicing to qualified service
personnel.
18. Damage Requiring Service ­ Unplug the appliance form the
wall outlet and refer servicing to qualified service personnel
under the following conditions:
A. When the power-supply cord or plug is damaged,
B. If liquid has been spilled, or objects have fallen into the
appliance,
C. If the appliance has been exposed to rain or water,
D. If the appliance does not operate normally by following the
operating instructions. Adjust only those controls that are
covered by the operating instructions as an improper
adjustment of other controls may result in damage and will
often require extensive work by a qualified technician to
restore the appliance to its normal operation,
E. If the appliance has been dropped or damaged in any way,
and
F. When the appliance exhibits a distinct change in perfor-
mance ­ this indicates a need for service.
19. Replacement Parts ­ When replacement parts are required, be
sure the service technician has used replacement parts specified
by the manufacturer or have the same characteristics as the
original part. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
20. Safety Check ­ Upon completion of any service or repairs to the
appliance, ask the service technician to perform safety checks to
determine that the appliance is in proper operation condition.
21. Wall or Ceiling Mounting ­ The appliance should be mounted
to a wall or ceiling only as recommended by the manufacturer.
22. Heat ­ The appliance should be situated away from heat
sources such as radiators, heat registers, stoves, or other appli-
ances (including amplifiers) that produce heat.
23. Liquid Hazards ­ The appliance should not be exposed to
dripping or splashing and no objects filled with liquids, such as
vases should be placed on the appliance.
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR
MOISTURE.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
"dangerous voltage" within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to
alert the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE
NE PAS
OUVRIR
AVIS


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3
Precautions
1. Recording Copyright
Recording of copyrighted material for other than personal use is
illegal without permission of the copyright holder.
2. AC Fuse
The fuse is located inside the chassis and is not user-serviceable. If
power does not come on, contact your Onkyo authorized service station.
3. Care
From time to time you should wipe the front and rear panels and the
cabinet with a soft cloth. For heavier dirt, dampen a soft cloth in a
weak solution of mild detergent and water, wring it out dry, and
wipe off the dirt. Following this, dry immediately with a clean cloth.
Do not use rough material, thinners, alcohol or other chemical sol-
vents or cloths since these could damage the finish or remove the
panel lettering.
4. Power
WARNING
BEFORE PLUGGING IN THE UNIT FOR THE FIRST TIME,
READ THE FOLLOWING SECTION CAREFULLY.
The voltage of the available power supply differs according to
country or region. Be sure that the power supply voltage of the area
where this unit will be used meets the required voltage (e.g., AC
230 V, 50 Hz or AC 120 V, 60 Hz) written on the rear panel.
For Canadian model
For models having a power cord with a polarized plug:
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH
WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.
Modèle pour les Canadien
Sur les modèles dont la fiche est polarisée:
ATTENTION: POUR ÉVITER LES CHOCS ÉLEC-
TRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA
FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE
ET POUSSER JUSQU'AU FOND.
For European model
For British model
Replacement and mounting of an AC plug on the power supply cord
of this unit should be performed only by qualified service personnel.
IMPORTANT
The wires in the mains lead are coloured in accordance with the
following code:
Blue
: Neutral
Brown : Live
As the colours of the wires in the mains lead of this apparatus may
not correspond with the coloured markings identifying the termi-
nals in your plug, proceed as follows:
The wire which is coloured blue must be connected to the terminal
which is marked with the letter N or coloured black.
The wire which is coloured brown must be connected to the termi-
nal which is marked with the letter L or coloured red.
IMPORTANT
A 5 ampere fuse is fitted in this plug. Should the fuse need to be
replaced, please ensure that the replacement fuse has a rating of 5
amperes and that it is approved by ASTA or BSI to BS1362. Check
for the ASTA mark or the BSI mark on the body of the fuse.
IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE
SOCKET OUTLET IN YOUR HOME THEN THE FUSE
SHOULD BE REMOVED AND THE PLUG CUT OFF AND DIS-
POSED OF SAFELY. THERE IS A DANGER OF SEVERE
ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED
INTO ANY 13 AMPERE SOCKET.
If in any doubt, please consult a qualified electrician.
Supplied Accessories
Make sure your box contains everything listed below. The number of accessories is indicated in brackets.
Declaration of Conformity
We, ONKYO EUROPE
ELECTRONICS GmbH
LIEGNITZERSTRASSE 6,
82194 GROEBENZELL,
GERMANY
GERMERING, GERMANY
ONKYO EUROPE ELECTRONICS GmbH
I. MORI
declare in own responsibility, that the ONKYO product described
in this instruction manual is in compliance with the corresponding
technical standards such as EN60065, EN55013, EN55020 and
EN61000-3-2, -3-3.
· Subwoofer (SL-105) [1]
· Satelite speakers (D-L1) [5]
· Spacers for subwoofer [4]
· Spacers for satelite speakers [20]
· Speaker cable for L/R front and
center speakers, 3.5 m [3]
· Pin cord [1]
· Speaker cable for surround
speakers, 8 m [2]
(Red) (White) (Green)
(Blue) (Gray)


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4
Control positions and names
Front panel
The HTP-L50 is a 5.1-channel speaker package that consists
of five satellite speakers and one subwoofer with an internal
amplifier.
The HTP-L50 features the SL-105 subwoofer with L/R
mixing circuits and a built-in cut-off filter as the subwoofer
and the D-L1 speakers with MDF (Medium Density
Feature
ALINE INPUT jacks
Connect these jacks to the LINE OUT jacks of the
amplifier etc.
B AUTO STANDBY switch
This switch is used to turn on and off the auto standby
function.
ON:
This activates the auto standby function.
If a constant level signal is not received from the amplifier
(or receiver) over a period of a few minutes, the SL-105
automatically enters the standby state. If a constant level
signal is later received from the amplifier (or receiver), the
power is automatically turned back on.
OFF:
Deactivates the auto standby function.
Notes:
· The auto standby function operates on the existence or
absence of a constant level input signal. If the auto
standby function does not operate properly, try slightly
increasing (or decreasing) the output level of the
amplifier or receiver.
(Note that output levels of some amplifiers and receivers
cannot be adjusted. For more details regarding your
components, refer to the instruction manual supplied
with them.)
· If noise from peripheral components causes the incorrect
operation of the auto standby function, or if outputting
low volumes (i.e., during the nighttime) causes the auto
standby function to activate, turn off the auto standby
function.
· The auto standby function only operates while the power
switch for the SL-105 is turned on.
C SPEAKER LEVEL INPUT terminals
Connect these input terminals to the speaker output
terminals of your amplifier or receiver.
D SPEAKER LEVEL OUTPUT terminals
The speaker-level signal to the front speakers is output
from these terminals.
1 POWER switch and indicator
Pressing this button turns the power on (the indicator
lights). Pressing the button again turns the power off (the
indicator goes out).
Red:
Unit is in standby mode
Green: Unit is in operation
2 FREQUENCY knob
Use this knob to select the high-frequency range at which
you wish to cut off the signal to the subwoofer. You can
select any frequency between 50 Hz and 200 Hz depending
on the characteristics of the speaker system being used with
the SL-105.
3 OUTPUT LEVEL knob
Use this knob to adjust the output level of the subwoofer.
Rear panel
R
SPEAKER LEVEL
INPUT
FROM
AMP/RECEIVER
AUTO STANDBY
LINE
INPUT
L
R
OFF
ON
OUTPUT
TO SPEAKERS
(MONO)
+
_
L
+
_
R
+
_
L
+
_
SL-105
C
DA B
To AC outlet
FREQUENCY
OUTPUT LEVEL
MIN
MAX
50Hz
200Hz
POWER
POWERED SUBWOOFER
SL-105
1
23
Subwoofer SL-105
Fiberboard) cabinet and OMF-cone as the five satellite
speakers. Simply connect the speakers to your AV amplifier
or receiver for superb surround audio playback.
The speaker cables and satellite speaker terminals are color-
coded to facilitate connection. Connect each cable to the
matching-colored terminal.


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5
Speaker placement
Layout of your speaker system
Satellite speakers
· Front left/right speakers and center speakers
These three speakers should be placed in front of the
listener.
All three speakers should be placed at the same level.
Placement should be such so that the speakers all aim at the
ears of the listener when the listener is listening to music or
watching the screen. The center speakers enhance the sound
effects from the two front speakers and add clarity to
movements in the sound for a much richer sound image.
· Surround left/right speakers
Surround speakers should be placed to the side of the
listener or behind the listener. These speakers produce
sound movements in all directions, create a sound
environment that reflects the background, and create the
sensation of being in the middle of the action.
Subwoofer
The subwoofer can be installed anywhere in the room, but in
most situations you will obtain the best results by placing the
subwoofer to the side near a corner of the room. The quality
and level of the bass sounds from the subwoofer will differ
depending on the location where the subwoofer is placed and
the layout of the room, so it is recommended to place the
subwoofer in several locations and find the position that
provides the best results.
TV or
Screen
Center
speaker
D-L1
Front left
speaker
D-L1
Front right
speaker
D-L1
Surround
right speaker
D-L1
Surround
left speaker
D-L1
Listener
Subwoofer
SL-105
Using spacers
Attaching the supplied spacers is recommended for obtaining
the best sound quality. Also, by attaching the provided
spacers, the speakers will not slide easily for a more stable
installation.
Spacer
Bottom
of D-L1
Spacer
Side
of D-L1
· Positioning vertically
· Positioning horizontally
M5 screw
5 mm
7 to 12 mm
Satellite speaker
Installation using commercially-available stands and
fixtures
The speaker bottom and rear are equipped with screw holes so
that you can attach commercially-available stands or
mounting fixtures for a variety of mounting options. (Two M5
screw holes, 60 mm pitch on the bottom and one M5 screw
hole on the rear.)
Note:
When attaching an accessory item
to a speaker, be careful of the
length of the screws used. Use
only screws that provide the
required strength with a screw
length between 7 and 12 mm.