JBL SCS178 manual U B L E S H O O T I N G

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R O U B L E S H O O T I N G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If

 

there is no sound from any of

• If your receiver/processor is

If there is no sound from the

 

the speakers:

set in Dolby Pro Logic mode,

surround speakers:

• Check that receiver/amplifier

make sure the center speaker

• Check all wires and

is on and a source is playing.

is not in phantom mode.

connections between

• Check that the powered

• If your receiver/processor

receiver/ amplifier and

subwoofer is plugged in, its

is set in Dolby Digital or DTS®

speakers. Make sure all wires

Power switch ¡ is switched

mode, make sure the

are connected. Make sure

on to the “ON•” position.

receiver/processor is con-

none of the speaker wires are

• Check all wires and

figured so that the center

frayed, cut or punctured.

connections between

speaker is enabled.

• Review proper operation of

receiver/ amplifier and

 

 

your receiver/amplifier and its

speakers. Make sure all wires

If the system plays at low

surround-sound features.

are connected. Make sure

volumes but shuts off as

• Make sure the movie or TV

none of the speaker wires are

volume is increased:

show you are watching is

frayed, cut or punctured.

• Check all wires and connecti-

recorded in a surround-sound

• Review proper operation of

ons between receiver/

mode. If it is not, check to see

your receiver/amplifier.

amplifier and speakers. Make

if your receiver/ amplifier has

 

 

 

 

sure all wires are connected.

other surround modes you

If there is no sound coming

Make sure none of the

may use.

from one speaker:

speaker wires are frayed, cut

• In Dolby Digital or DTS®

 

 

 

• Check the “Balance” control

or punctured.

modes, make sure your

 

on your receiver/amplifier.

• If more than one pair of main

receiver/processor is

 

• Check all wires and con-

speakers is being used, check

configured so that the

 

nections between receiver/

the minimum impedance

surround speakers are

amplifier and speakers. Make

requirements of your

enabled.

sure all wires

are connected.

receiver/amplifier.

• Review the operation of your

Make sure none of the

 

 

DVD player and the jacket of

speaker wires are frayed, cut

If there is low (or no) bass

your DVD to make sure that

or punctured.

output:

the DVD features the desired

• In Dolby Digital or DTS®

• Make sure the connections to

Dolby Digital or DTS® mode,

modes, make sure that the

the left and right “Speaker

and that you have properly

receiver/processor is

Inputs” have the correct

selected that mode using both

configured so that the

polarity (+ and –).

the DVD player’s menu and

speaker in question is

• Make sure the subwoofer is

the DVD disc’s menu.

enabled.

plugged into an active

 

 

 

 

 

 

 

 

 

electrical

outlet.

 

 

 

 

 

If there is no sound from the

• Make sure

the powered

 

 

 

 

 

center speaker:

subwoofer

is plugged in and

 

 

 

 

 

• Check all wires and

switched on.

 

 

 

 

 

connections between

• In Dolby Digital or DTS®

 

 

 

 

 

receiver/

modes, make sure your

 

 

 

 

 

amplifier and speaker. Make

receiver/processor is

 

 

 

 

 

sure all wires are connected.

configured so that the

 

 

 

 

 

Make sure none of the

subwoofer and LFE output are

 

 

 

 

 

speaker wires are frayed, cut

enabled.

 

 

 

 

 

or punctured.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents Model SCS178 A D I SSpeaker C L U D E DThree 12.2-meter 40-foot Cables for connection from Subwoofer to front speakersBehind the listening position Front SpeakersSurround Speakers Low-frequency material Television set, as shownWall-Mounting U N T I N G O P T I O N SSatellites and Surrounds On shelves On the wall. Wall bracketsE a K E R C O N N E C T I O N S Connection TipsDolby* Pro Logic* Non-Digital Speaker Level OUTTo connect the line-level Processors. Note If your Output, or a volume-controlled Important Do not usePreamp line- level output Subwoofer outputs on yourVolume Crossover A S EU B L E S H O O T I N G Declaration of Conformity Specification S SCS178

SCS178 specifications

The JBL SCS178 is a notable speaker system that seamlessly combines advanced audio technology with elegant design, making it an ideal choice for home theater enthusiasts and music lovers alike. Renowned for its exceptional sound quality, the SCS178 offers a complete surround sound experience that enhances both music and movie playback.

One of the standout features of the JBL SCS178 is its satellite speaker design. Each of the five satellite speakers delivers a wide dispersion of sound thanks to its unique acoustic architecture. The speakers are compact yet powerful, capable of producing a rich, detailed sound that fills the room. The system also includes a powerful subwoofer, which is vital for delivering deep, resonant bass. This combination ensures that users enjoy a full spectrum of sound across all frequencies, making any audio experience more immersive.

The SCS178 is equipped with JBL’s proprietary technologies that further enhance its performance. One such technology is JBL’s advanced waveguide technology, which leads to improved sound staging and clarity. This design allows for precise audio placement, giving the listener an authentic surround sound experience as sounds seem to come from all directions.

Another appealing characteristic of the JBL SCS178 is its compatibility with modern audio systems. It supports various connections, making it easy to integrate into existing audio setups. Whether it’s being used with a television, gaming console, or dedicated audio receiver, the SCS178 ensures a straightforward connection process, allowing users to jump right into their entertainment experience without hassle.

The build quality of the SCS178 also deserves mention. Its sleek and modern aesthetic is designed to complement any home decor, while the durable materials ensure longevity. The compact size of the satellite speakers makes them easy to place in various locations around the room without taking up too much space.

In summary, the JBL SCS178 speaker system combines advanced audio technologies with a sophisticated design, offering powerful satellite speakers and a robust subwoofer for a truly premium audio experience. With exceptional sound quality, versatile connectivity, and a stylish appearance, the JBL SCS178 is an excellent choice for anyone looking to elevate their home audio setup. Its combination of functionality and aesthetics makes it a standout option in the crowded speaker market.
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