Onkyo Speaker System SKC 230C User Manual

SKS-HT230_En.fm Page 1 Friday, January 16, 2004 4:54 PM  
Contents  
Getting Started  
5.1 Ch Home Theater Speaker Package  
Important Safeguards..................... 2  
Precautions ..................................... 3  
Introduction ..................................... 4  
Package Contents........................... 4  
SKS-HT230  
Getting to knowYour Speaker  
Package ........................................ 5  
SKW-150X POWERED SUBWOOFER  
SKF-230F FRONT SPEAKER  
Installing & Using  
SKC-230C CENTER SPEAKER  
SKM-230S SURROUND SPEAKER  
Various Mounting Methods ............ 6  
Connecting the Speakers............... 8  
About Home Theater....................... 9  
Adjustment .................................... 10  
Instruction Manual  
Appendix  
Caring forYour Speakers.............. 10  
Troubleshooting............................ 11  
Specifications................................ 12  
Thank you for purchasing an Onkyo home theater  
speaker package. Please read this manual thoroughly  
before using your new speakers. Following the  
instructions in this manual will enable you to obtain  
optimum performance and listening enjoyment from  
your speaker package.  
Please retain this manual for future reference.  
En  
 
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Precautions  
Important Safeguards—Continued  
1. Mounting  
18. Damage Requiring Service – Unplug the appli-  
ance form the wall outlet and refer servicing to  
qualified service personnel under the following con-  
ditions:  
Mount the speakers as explained in this manual. Don’t  
use the front speakers without their bases as damage or  
injury may result.  
Use commercially available speaker mounts and brack-  
ets to mount the surround speakers on a wall.  
2. AC Fuse  
The fuse is located inside the chassis and is not userser-  
viceable. If power does not come on, contact your Onkyo  
authorized service station.  
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  
3. Care  
From time to time you should wipe off 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. Follow-  
ing this, dry immediately with a clean cloth. Do not use  
rough material, thinners, alcohol or other chemical sol-  
vents or cloths since these may damage the finish or  
remove the panel lettering.  
F. When the appliance exhibits a distinct change in  
performance – 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, elec-  
tric 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 recom-  
mended by the manufacturer.  
22. Heat – The appliance should be situated away from  
heat sources such as radiators, heat registers, stoves,  
or other appliances (including amplifiers) that pro-  
duce heat.  
Use a vacuum cleaner to remove dust from hard-to-reach  
grilles.  
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) writ-  
ten on the rear panel.  
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.  
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Introduction  
The SKS-HT230’s stylish enclosures are made of aluminum and their slim design makes them ideal for use with LCD  
and plasma TVs.  
SKS-HT230  
The SKS-HT230 is a 5.1-channel speaker package consisting of front left and right speakers, a center speaker, surround  
left and right speakers, and a powered subwoofer. Simply connect the speakers to your AV amp or receiver for superb  
surround sound playback.  
Speaker terminals and speaker cables are color-coded for easy identification. Simply connect each speaker cable to the  
same-colored speaker terminals.  
Package Contents  
Make sure your box contains all of the items below. If anything is missing, contact the nearest Onkyo dealer.  
• Front speakers  
(SKF-230F)  
• Speaker cable for front speakers  
(4.5 m)  
• Spacers for wall mounting [×20]  
(Red)  
(White)  
• Cork spacers [×4]  
(For the subwoofer)  
• Front speaker bases  
• Front speaker base fixing screws [×8]  
• Center speaker  
(SKC-230C)  
• Speaker cable for center speaker  
(3 m)  
• Center speaker base  
(Green)  
• Surround speakers  
(SKM-230S)  
• Speaker cables for surround  
speakers (9 m)  
• Subwoofer  
(SKW-150X)  
• RCA cable for subwoofer  
connection  
(Blue)  
(Gray)  
SKW-150  
X
P
O
W
E
R
D
S
U
B
W
O
O
F
E
R
The alphabet displayed at the end of the product name found in catalogs and on package represents the color of  
SKS-HT230. Though the color varies, the specifications and operations are the same.  
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SKS-HT230_En.fm Page 5 Friday, January 16, 2004 4:54 PM  
Getting to knowYour Speaker Package  
Subwoofer (SKW-150X)  
Front, Center & Surround Speakers  
(SKF-230F, SKC-230C, SKM-230S)  
Front  
3
2
1
-
SKW 150  
X
POWERD SUBWOOFER  
Rear  
4
POWERED SUBWOOFER  
-
MODEL NO. SKW 150  
X
OUTPUT  
LEVEL  
LINE  
INPUT  
1Speaker terminals  
MIN  
MAX  
POWER  
:
RED STANDBY  
GREEN ON  
These push terminals are for connecting the speaker  
to your DVD Receiver, amp, or other receiver with  
the supplied speaker cables. The supplied speaker  
cables are color-coded for easy identification. Sim-  
ply connect each cable to the same-colored positive  
speaker terminal.  
:
ON  
OFF  
2
3
1
To AC outlet  
2Keyhole slots  
A POWER switch and indicator  
These keyhole slots can be used to wall-mount the  
speaker either horizontally or vertically.  
To turn on the SKW-150X, set the POWER switch  
to the ON position (the indicator lights up).  
To turn off the SKW-150X, set the POWER switch  
to the OFF position (the indicator goes out).  
Red: The unit is in standby mode  
3Speaker mount/bracket inserts  
These threaded inserts can be used to attach the  
speaker either horizontally or vertically to a speaker  
mount or bracket.  
Green: The unit is in operation mode  
Note:  
The SKW-150X automatically turns to Standby  
mode when no signal has been input for about 20  
minutes. The SKW-150X automatically turns on  
when an input signal is detected in Standby mode.  
Use commercially available M5 screws to attach the  
speaker to a speaker mount or bracket.  
4Base inserts (other than center speaker)  
These threaded inserts can be used to mount the  
speaker on the supplied base (screws included).  
B OUTPUT LEVEL control  
This control is used to adjust the output level of the  
subwoofer.  
C LINE INPUT  
The RCA input should be connected to the sub-  
woofer preout on your AV receiver, amp, or other  
receiver with supplied RCA cable.  
Note:  
TheAuto Standby function turns the subwoofer on when  
the input signal exceeds a certain level. If the Auto  
Standby function does not work reliably, try slightly  
increasing or decreasing the subwoofer output level on  
your receiver or amp.  
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Various Mounting Methods  
Front Speaker Bases  
Wall Mounting  
If you intend to stand the front speakers on the floor or  
on a TV stand or AV stand, you should attach the sup-  
plied front speaker bases. To do this, align the mounting  
holes in the base with base inserts on the front speaker’s  
rear panel, and secure by using four of the supplied fix-  
ing screws.  
The front speakers, center speaker or surround speakers  
can easily be wall mounted by using the keyhole slots. To  
prevent the speaker from vibrating against the wall,  
attach four of the supplied spacers to the keyhole fins on  
the rear of each speaker.  
Mounting vertically  
To mount the front speakers or surround speakers verti-  
cally, use the keyhole slot shown to hang each speaker on  
a screw that’s securely screwed into the wall.  
Front/Surround speakers  
65 mm 65 mm  
Keyhole slot for  
vertical wall  
45 mm  
mounting  
Base inserts  
Spacers  
Front speaker base  
Spacers  
Mounting holes  
Bottom  
Center Speaker Base  
The center speaker base is for mounting the center  
speaker horizontally. If you put it on a TV stand or AV  
stand, aim it toward the listening position. The center  
speaker should sit securely on the base. If it’s loose, try  
resetting it.  
Note:  
• If you put the center speaker on the floor, take it off the  
base and position it so that it’s facing slightly up  
toward the listener’s ears.  
Baseforhorizontal  
mounting  
6
 
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Various Mounting Methods—Continued  
Mounting horizontally  
Using Speaker Mounts/Brackets  
To mount the center speaker horizontally, use the two  
keyhole slots shown to hang each speaker on two screws  
that are securely screwed into the wall.  
Threaded inserts for M5 screws are provided on the rear  
of each speaker for wall-mounting with commercially  
available speaker mounts and brackets. Refer to the man-  
ual supplied with your mounts or brackets for installa-  
tion details.  
Center speaker  
Keyhole slots for horizontal  
wall mounting  
Spacers  
Spacers  
Use this hole if mounting  
vertically  
65 mm  
65 mm  
Use this hole if mounting  
horizontally  
75 mm  
190 mm  
75 mm  
Caution:  
A mounting screw’s ability to support a speaker depends  
on how well it’s anchored to the wall. If you have hollow  
walls, screw each mounting screw into a stud. If there are  
no studs, or the walls are solid, use suitable wall anchors.  
Use screws with a head diameter of 9.5 mm or less and a  
shank diameter of 4 mm or less. With hollow walls, use  
a cable/pipe detector to check for any power cables or  
water pipes before making any holes.  
Note:  
The portion of the screw that goes into the speaker’s  
threaded insert should be between 5 mm and 9 mm long,  
as shown.  
Mount or bracket  
Leave a gap of between 7 mm and 10 mm between the  
wall and the base of the screw head, as shown.  
5 mm  
Wall  
5 mm–9 mm  
Using the supplied cork spacers  
Using cork spacers with the subwoofer  
(SKW-150X)  
We recommend using the supplied cork spacers to  
achieve the best possible sound from your speaker. The  
cork spacers prevent the speaker from moving, providing  
a more stable setup.  
7 mm–10 mm  
(We recommend that you consult a home installation  
professional.)  
Cork spacers  
Bottom of the  
SKW-150X  
7
 
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Connecting the Speakers  
Read the following before connecting your speakers:  
• Turn off your amp before making any connections.  
Connecting the Subwoofer  
• The nominal impedance of these speakers is 8 . Use  
Using the supplied RCA cable, connect  
the subwoofer’s LINE INPUT to your amp’s  
SUBWOOFER PREOUT.  
1
only an amp that supports this impedance.  
• Pay close attention to speaker wiring polarity. Connect  
positive (+) terminals to only positive (+) terminals,  
and negative (–) terminals to only negative (–) termi-  
nals. If the speakers are wired incorrectly, the sound  
will be out of phase and will sound unnatural.  
SKS-HT230 & 5-channel AV Amp Hookup  
• Be careful not to short the posi-  
tive and negative wires. Doing so  
may damage your amp.  
Onkyo AV receiver used in this example.  
Front right  
speaker  
Front left  
speaker  
Center  
speaker  
Red  
Green  
White  
Connecting the Speaker Cables  
SURROUND  
SPEAKERS  
FRONT SPEAKERS  
R
L
R
CENTER  
L
Use the cables to connect each speaker’s  
1
input terminals to the corresponding  
speaker output terminals on your amp.  
To make a connection, while  
pressing the terminal lever,  
Surround  
right speaker  
Surround  
left speaker  
insert the wire into the hole, and  
then release the lever.  
Make sure that the terminals are  
gripping the bare wires, not the insulation.  
Gray  
Blue  
L
SURROUND  
SPEAKERS  
ANTENNA  
FRONT SPEAKERS  
CENTER  
PREOUT  
AUDIO  
AC INLET  
R
L
R
L
REMOTE  
ANTENNA  
CONTROL  
R
AM  
FM 75  
IN  
OUT  
MD/CDR/TAPE  
IN  
SUB  
WOOFER TV/LINE  
DIGITAL  
VIDEO OUTPUT  
Y
PB  
PR  
OPTICAL  
OUT  
IN  
S
VIDEO  
VIDEO  
COMPONENT  
PREOUT  
AUDIO  
LINE  
INPUT  
SUB  
WOOFER  
Powered  
subwoofer  
8
 
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About Home Theater  
Enjoying Home Theater  
The SKS-HT230’s great sound means that you can enjoy surround sound with a real sense of movement in your own  
home—just like being in a movie theater or concert hall.  
Front left and right speakers  
These output the overall sound.Their role in a home theater  
is to provide a solid anchor for the sound image.They should  
be positioned facing the listener at about ear level, and equi-  
distant from the TV. Angle them inward so as to create a  
triangle, with the listener at the apex.  
Center speaker  
This speaker enhances the front left and right  
speakers, making sound movements distinct and  
providing a full sound image. In movies it’s used  
mainly for dialog.  
Position it close to your TV facing forward at  
about ear level, or at the same height as the front  
left and right speakers.  
Right  
Subwoofer  
The subwoofer handles the bass  
sounds of the LFE (Low-Fre-  
quency Effects) channel. The vol-  
ume and quality of the bass output  
from your subwoofer will depend  
Left  
on its position, the shape of your  
listening room, and your listening  
position. In general, a good bass  
sound can be obtained by install-  
ing the subwoofer in a front cor-  
ner, or at one-third the width of the  
wall, as shown.  
Surround left and right speakers  
These speakers are used for precise  
sound positioning and to add realistic  
ambience. Position them at the sides  
of the listener, or slightly behind,  
about 60–100 cm above ear level.  
Ideally they should be equidistant  
from the listener.  
Corner  
1/3 room  
length  
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Adjustment  
Caring forYour Speakers  
Placement  
Setting the Subwoofer Level  
• The speaker cabinets are made out of aluminum and  
are therefore sensitive to extreme temperatures and  
humidity, do not put them in locations subject to direct  
sunlight or in humid places, such as near an air condi-  
tioner, humidifier, bathroom, or kitchen.  
To set the level of the subwoofer, use the OUTPUT  
LEVEL control. Set it so that bass sounds are evenly bal-  
anced with the treble sounds from the other speakers.  
Because our ears are less sensitive to very low bass  
sounds, there’s a temptation to set the level of the sub-  
woofer too high. As a rule of thumb, set the subwoofer  
level to what you think is the optimal level, and then back  
it off slightly.  
• Do not put water or other liquids close to the speakers.  
If liquid is spilled over the speakers, the drive units  
may be damaged.  
• As explained in this manual, mount the speakers on a  
wall, on the supplied bases, otherwise, they may fall,  
causing personal injury or damage to the speakers.  
OUTPUT  
LEVEL  
• Use commercially available speaker mounts and  
brackets to mount the surround speakers on a wall.  
• Speakers with bases should only be placed on sturdy,  
flat surfaces that are free from vibration. Putting them  
on uneven or unstable surfaces, where they may fall  
and cause damage, will affect the sound quality.  
MAX  
MIN  
Subwoofer Level Set OK  
Using Close to a TV or Computer  
TVs and computer monitors are magnetically sensitive  
devices and as such are likely to suffer discoloration or  
picture distortion when conventional speakers are placed  
nearby. To prevent this, the SKS-HT230 speakers feature  
internal magnetic shielding. In some situations, however,  
discoloration may still be an issue, in which case you  
should turn off your TV or monitor, wait 15 to 30 minutes,  
and then turn it back on again. This normally activates the  
degaussing function, which neutralizes the magnetic  
field, thereby removing any discoloration effects. If dis-  
coloration problems persist, try moving the speakers  
away from your TV or monitor. Note that discoloration  
can also be caused by a magnet or demagnetizing tool  
that’s too close to your TV or monitor.  
Overall response  
Repsonse of other speakers  
Subwoofer response  
Level  
Frequency  
Subwoofer Level Set Incorrectly  
Subwoofer level too high  
The SKS-HT230 speakers contain strong magnets, so do  
not put magnetic or iron objects such as screwdrivers  
close to them. If you do, the object may be attracted to  
the magnets, causing personal injury or damage to a  
speaker cone.  
Level  
Subwoofer level too low  
Operating Precautions  
The SKS-HT230 speakers can handle the specified input  
power when used for normal music reproduction. If any  
of the following signals are fed to them, even if the input  
power is within the specified rating, excessive current  
may flow in the speaker coils, causing burning or wire  
breakage:  
Frequency  
1. Interstation noise from an untuned FM radio.  
2. Sound from fast-forwarding a cassette tape.  
3. High-pitched sounds generated by an oscillator, elec-  
tronic musical instrument, and so on.  
4. Amplifier oscillation.  
5. Special test tones from audio test CDs and so on.  
6. Thumps and clicks caused by connecting or discon-  
necting audio cables (Always turn off your amplifier  
before connecting or disconnecting cables.)  
7. Microphone feedback.  
10  
 
SKS-HT230_En.fm Page 11 Friday, January 16, 2004 4:54 PM  
Troubleshooting  
Symptom  
Possible cause  
Remedy  
The speaker cables are not connected properly. Check the speaker cables and correct as necessary.  
On the amp or receiver, the Speaker Configu- Check the Speaker Configuration settings and  
There’s no sound coming  
from certain speakers?  
ration settings for those speakers are set to  
make sure that the speakers are set to something  
either None or No. Or, the number of speaker other than None or No. Or set the number of  
channels is not set to 5ch.  
speaker channels to 5ch.  
The subwoofer does not  
turn on?  
The power plug is not fully inserted into the  
wall outlet.  
Insert the power plug fully into the wall outlet.  
The OUTPUT LEVEL control is set to mini-  
mum.  
Turn up the OUTPUT LEVEL control.  
The RCA cable is not properly connected to  
the subwoofer’s LINE INPUT.  
Make sure that the RCA cable is properly con-  
nected to the subwoofer’s LINE INPUT.  
The subwoofer produces  
no sound?  
The level of the input signal was too low and  
the subwoofer entered Standby mode.  
Slightly increase the subwoofer preout output level  
on your amp.  
On your amp or receiver, the speaker setting is Check the settings on your amp or receiver.  
set to Subwoofer No, or the subwoofer mode is  
set to Subwoofer Off.  
The subwoofer produces  
hardly any sound?  
The source material contain little or no bass  
content.  
Choose source material with more bass content.  
The RCA cable is not properly connected to  
the subwoofer’s LINE INPUT.  
Make sure that the RCA cable is properly con-  
nected to the subwoofer’s LINE INPUT.  
A humming sound can be  
heard from the sub-  
woofer?  
External interference from a TV or other elec- Move the subwoofer and RCA cable away from the  
tronic device is being picked up.  
interference source. Make sure your audio system  
is grounded properly.  
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SKS-HT230_En.fm Page 12 Friday, January 16, 2004 4:54 PM  
Specifications  
Powered Subwoofer (SKW-150X)  
Center Speaker (SKC-230C)  
Type:  
Bass reflex with built-in  
power amplifier  
Input sensitivity/impedance: 220 mV / 15 kΩ  
Type:  
2-way bass reflex center  
speaker  
Impedance:  
8 Ω  
Maximum output power:  
Frequency response:  
Cabinet capacity:  
Dimensions (W × H × D): 235 × 518 × 411 mm  
Weight:  
150 W Dynamic  
30 Hz–150 Hz  
32.5 L  
Maximum input power:  
Output sound pressure level: 80 dB/W/m  
Frequency response:  
Crossover frequency:  
Cabinet capacity:  
100 W  
65 Hz–35 kHz  
6.5 kHz  
2 L  
12.6 kg  
Drive unit:  
Power supply:  
Australia:  
Others:  
Power consumption:  
Other:  
20 cm cone woofer  
Dimensions (W × H × D): 340 × 130 × 91 mm  
Weight:  
1.6 kg  
AC 230–240 V, 50 Hz  
AC 220–230 V, 50/60 Hz  
77 W  
Speaker:  
8 cm cone woofer  
2.5 cm balanced-dome  
tweeter  
Other:  
Magnetic shielding  
Auto Standby function  
Surround Speaker (SKM-230S)  
Front Speaker (SKF-230F)  
Type:  
2-way bass reflex  
Type:  
2-way bass reflex front  
surround speaker  
speaker  
Impedance:  
Maximum input power:  
8 Ω  
100 W  
Impedance:  
Maximum input power:  
8 Ω  
100 W  
Output sound pressure level: 80 dB/W/m  
Output sound pressure level: 80 dB/W/m  
Frequency response:  
Crossover frequency:  
Cabinet capacity:  
65 Hz–35 kHz  
6.5 kHz  
2 L  
Frequency response:  
Crossover frequency:  
Cabinet capacity:  
65 Hz–35 kHz  
6.5 kHz  
2 L  
Dimensions (W × H × D): 130 × 340 × 91 mm  
Dimensions (W × H × D): 130 × 340 × 91 mm  
Weight:  
1.6 kg  
Weight:  
1.6 kg  
Speaker:  
8 cm cone woofer  
2.5 cm balanced-dome  
tweeter  
Drive unit:  
8 cm cone woofer  
2.5 cm balanced-dome  
tweeter  
Other:  
Magnetic shielding  
Other:  
Magnetic shielding  
Specifications and appearance are subject to change  
without prior notice.  
Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN  
Tel: 072-831-8023 Fax: 072-831-8124  
ONKYO U.S.A. CORPORATION  
18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.  
Tel: 201-785-2600 Fax: 201-785-2650 http://www.onkyousa.com  
ONKYO EUROPE ELECTRONICS GmbH  
Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY  
Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.onkyo.net  
ONKYO CHINA LIMITED  
Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung,  
N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039  
HOMEPAGE  
SN 29343713  
I0401-1  
(C) Copyright 2004 ONKYO CORPORATION Japan. All rights reserved.  
 

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