TM
SCS125
simple
setup guide
thank you for choosing JBL. For more than 50 years, JBL
™
has been involved in every aspect of music and film recording
and reproduction, from live performances to monitoring the
recordings you play in your home, car or office.
We’re confident that the JBL system you have chosen will
provide every note of enjoyment that you expected – and that
when you think about purchasing additional audio equipment for
your home, car or office, you will once again choose JBL.
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JBL Consumer Products
read first! Important Safety Precautions!
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: To prevent electric shock,
do not remove the grounding plug
on the power cord, or use any plug
or extension cord that does not have
a grounding plug provided.
Make certain that the
AC outlet is properly grounded.
Do not use an adapter plug
with this product.
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.
Antenna Lead-In Wire
Ground Clamp
Antenna Discharge Unit (NEC Section 810-20)
Grounding Conductors (NEC Section 810-21)
Electric Service Equipment
Ground Clamps
Power Service Grounding Electrode System
(NEC Art 250, Part H)
1. Read Instructions. All the safety and
operating instructions should be read before
the product is operated.
2. Retain Instructions. The safety and
operating instructions should be retained for
future reference.
3. Heed Warnings. All warnings on the
product and in the operating instructions
should be adhered to.
4. Follow Instructions. All operating and
use instructions should be followed.
5. Cleaning. Unplug this product from the
wall outlet before cleaning. Do not use liquid
cleaners or aerosol cleaners. Use a damp
cloth for cleaning.
6. Attachments. Do not use attachments not
recommended by the product manufacturer,
as they may cause hazards.
7. Water and Moisture. Do not use this
product near water – for example, near a
bathtub, wash bowl, kitchen sink or laundry
tub; in a wet basement; near a swimming
pool; and the like.
8. Accessories. Do not place this product on
an unstable cart, stand, tripod, bracket or
table. The product may fall, causing serious
injury to a child or an adult, and serious
damage to the product. Use only with a cart,
stand, tripod, bracket or table recommended
by the manufacturer, or sold with the product. Any mounting of the product should
follow the manufacturer’s instructions, and
should use a mounting accessory recommended by the manufacturer.
9. A Product and Cart
Combination Should Be Moved
with Care. Quick stops, excessive
force and uneven surfaces may
cause the product and cart combination
to overturn.
10. Ventilation. Slots and openings in the
cabinet are provided for ventilation and to
ensure reliable operation of the product and
to protect it from overheating, and these
openings must not be blocked or covered.
The openings should never be blocked by
placing the product on a bed, sofa, rug or
other similar surface. This product should not
be placed in a built-in installation such as a
bookcase or rack unless proper ventilation is
provided or the manufacturer’s instructions
have been adhered to.
11. Power Sources. This product 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 product dealer or local
power company. For products intended to
operate from battery power or other sources,
refer to the operating instructions.
12. Grounding or Polarization. This product
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
purpose 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 product.
14. Nonuse Periods. The power cord of the
product should be unplugged from the outlet
when left unused for long periods of time.
15. Outdoor Antenna Grounding. If an out-
side antenna or a cable system is connected
to the product, be sure the antenna or cable
system is grounded so as to provide some
protection against voltage surges and builtup static charges. Article 810 of the National
Electrical Code, ANSI/NFPA 70, provides
information with regard to proper grounding
of the mast and supporting structure,
grounding of the lead-in wire to an antenna
discharge unit, size of grounding conductors,
location of antenna-discharge unit, connection to grounding electrodes and requirements for the grounding electrode. See
Figure 1.
16. Lightning. For added protection for this
product during a lightning storm, or when it
is left unattended and unused for long periods of time, unplug it from the wall outlet
and disconnect the antenna or cable system.
This will prevent damage to the product due
to lightning and power-line surges.
17. Power Lines. An outside antenna system
should not be located in the vicinity of overhead power lines, other electric light or
power circuits, or where it can fall into such
power lines or circuits. When installing an
outside antenna system, extreme care should
be taken to keep from touching such power
Figure 1.
Example of Antenna Grounding as per
National Electrical Code ANSI/NFPA 70
lines or circuits, as contact with them might
be fatal.
18. Overloading. Do not overload wall out-
lets, extension cords or integral convenience
receptacles, as this can result in a risk of
fire or electric shock.
19. Object and Liquid Entry. Never push
objects of any kind into this product through
openings, as they may touch dangerous voltage points or short-out parts that could
result in a fire or electric shock. Never spill
liquid of any kind on the product.
20. Servicing. Do not attempt to service
-
this product yourself, as opening or
removing covers may expose you to
dangerous voltage or other hazards. Refer
all servicing to qualified service personnel.
21. Damage Requiring Service. Unplug this
product from the wall outlet and refer servicing to qualified service personnel under the
following conditions:
a. The power-supply cord or the plug has
been damaged; or
b. Objects have fallen onto, or liquid has
been spilled into, the product; or
c. The product has been exposed to rain or
water; or
d. The product does not operate normally
when 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 product to its normal operation; or
e. The product has been dropped or damaged
in any way; or
f. The product exhibits a distinct change
in performance – this indicates a need for
service.
22. Replacement Parts. When replacement
parts are required, be sure the service technician has used replacement parts specified
by the manufacturer or that have the
same characteristics as the original part.
Unauthorized substitutions may result in fire,
electric shock or other hazards.
23. Safety Check. Upon completion of any
service or repairs to this product, ask the
service technician to perform safety checks
to determine that the product is in proper
operating condition.
24. Wall or Ceiling Mounting. The product
should be mounted to a wall or ceiling only
as recommended by the manufacturer.
25. Heat. The product should be situated
away from heat sources such as radiators,
heat registers, stoves or other products
(including amplifiers) that produce heat.
Part No. JBLULB 6/96
included
Five satellites for left, right,
center and surrounds. With
wall-mount brackets.
Powered subwoofer.
Three 20' speaker cables for connection from receiver
to subwoofer.
Three 15' speaker cables for connection from subwoofer
to front satellites.
Two 40' speaker cables for connection from receiver to
rear satellites.
5
– 6 ft.
one. Speaker Placement
0-2 ft.
Satellites
Surround Speakers
Mounting Options
Satellites and Surrounds
Subwoofer
On shelves.
Wall Mounting
Attach plate to wall.
The customer is responsible for
proper selection and use of
mounting hardware, available
through hardware stores, to
properly and safely wall-mount
the speakers.
On the wall. Wall brackets
included.
Slide speaker onto support.
On optional stands. FS300.
Place speaker and support on
wall plate.
two. Speaker Connections
Right Front
Right Surround
Left Front
Left Surround
Center
+ –
+ –
+ –
LC
R
+
–
LC
R
Speaker-Level Input
Subwoofer
Left Front
+ –
Left Surround
Center
Right Front
+ –
Right Surround
Receiver
Speaker-Level Output
Connection Tips
Speaker Level
Separate and strip the ends of
the speaker wire as shown.
Speakers and electronics terminals have corresponding (+)
and (–) terminals. The (+)
lead of the speaker wire is
noted with a stripe. It is
important to connect both
speakers identically: (+) on the
speaker to (+) on the amplifier
and (–) on the speaker to (–)
on the amplifier. Wiring “out of
phase” results in thin sound,
weak bass and a poor stereo
image.
Speaker’s Connection
+ –
+ –
+ –
– +
– +
Receiver
Subwoofer
Out
Front
Left
Rear
Left
Front
Right
Rear
Right
Subwoofer
R L
R
L
Center
Line-
Level
Input
Right Surround
Right Front
Left Surround
Left Front
Center
Line Level
min max
Subwoofer
Level
min max
Subwoofer
Level
three. Operation
Speaker’s Connection
Mode Procedure LED Status
Off Receiver/amplifier off Off
On Receiver/amplifier on and playing program material Green
Standby Simply turn off your receiver/amplifier. The subwoofer will Red
turn off after approximately twenty minutes. The subwoofer
will turn on when your receiver/amplifier begins playing again.
Volume
Troubleshooting
If there is no sound from
any of the speakers, check
the following:
• Receiver/amplifier is on and
a source is playing.
• Powered subwoofer is
plugged in and is either in
the “On” or “Auto” position.
• Check all wires and connections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the speaker
wires are frayed, cut or
punctured.
• Review proper operation of
your receiver/amplifier.
If there is no sound coming
from one speaker, check the
following:
• Check the “Balance” control
on your receiver/amplifier.
• Check all wires and connections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed, cut
or punctured.
If the system plays at low
volumes but shuts off as
volume is increased, check
the following:
• Check all wires and connections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed, cut
or punctured.
• If more than one pair of
main speakers is being used,
check the minimum impedance requirements of your
receiver/amplifier.
If there is low bass output,
check the following:
• Make sure the connections
to the left and right “Speaker
Inputs” have the correct
polarity (+ and –).
• Make sure that the subwoofer is plugged into an
active electrical outlet.
• Powered subwoofer is
plugged in and is either in
the “On” or “Auto” position.
If there is no sound from
the surround speakers,
check the following:
• Check all wires and connections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed, cut
or punctured.
• Review proper operation of
your receiver/amplifier and its
surround sound features.
• Make sure the movie or TV
show you are watching is
recorded in Dolby surround. If
it is not, check to see if your
receiver/amplifier has other
surround modes you may use.
Specifications
SCS125 System
Frequency Response
35Hz – 20kHz (–6dB)
Refinements may be made on
occasion to existing products
without notice, but will always
meet or exceed original specifications unless otherwise
stated.
sat125
Recommended Power
10 – 50 watts
Impedance
8 ohms nominal
Sensitivity
86dB @ 1 watt/1 meter
Tweeter
One 1/2"-dome, video
shielded
Midrange
3" driver, video shielded
Dimensions (H x W x D)
4-3/8 x 3-3/16 x 3-3/4 inches
111 x 81 x 95mm
Weight
1 lb/.45 kg
sub125
Amplifier
75 watts RMS
Bass
8" woofer, bass-reflex
enclosure
Dimensions (H x W x D)
14-1/8 x 13 x 13 inches
359 x 330 x 330mm
Weight
27.5 lbs/12.5 kg
JBL Consumer Products
A Harman International Company
250 Crossways Park Drive, Woodbury, NY 11797
8500 Balboa Boulevard, Northridge, CA 91329
1-800-336-4JBL (4525) (USA only)
1998 JBL, Incorporated. JBL and Simply Cinema
©
are registered trademarks of JBL, Incorporated.
Printed 7/98 Part No. SCS125OM
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