JBL SCS138 manual U B L E S H O O T I N G

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T

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 SCS138 A D I SB L C L U D E DSurround Speakers Front SpeakersSupport leg to aim it toward Wall-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 OUTOutput or subwoofer output When using the LFE input, Use this installation method for Preamp line- level outputOutput, or a volume-controlled Important Do not use To connect the line-level Processors. Note If yourVolume A S EU B L E S H O O T I N G Declaration of Conformity SCS 138 Center Specification SSCS 138 Satellite SCS 138 Active Subwoofer

SCS138 specifications

The JBL SCS138 is a compact, high-performance satellite speaker system that is designed to deliver an exceptional audio experience for both home theater enthusiasts and music lovers. With its sleek design and advanced technology, the SCS138 embodies JBL's long-standing commitment to quality and innovation.

One of the main features of the JBL SCS138 is its superior sound quality. The speaker system is equipped with a 2.5-inch polycellulose driver that provides impressive clarity and detail across a wide frequency range. This ensures that the listener enjoys accurate reproduction of vocals, instruments, and sound effects, bringing movies and music to life in an immersive way. Coupled with a high-frequency driver, the SCS138 delivers crisp treble and a balanced mid-range, ensuring a full and rich sound profile.

The SCS138 is designed to be versatile and user-friendly. Its compact size allows for easy placement in various environments, whether on bookshelves, mounted on walls, or integrated into a more extensive home theater setup. The speakers are also equipped with keyhole mounts, making it simple to install them wherever desired. This flexibility makes the SCS138 a popular choice for those looking to create a premium audio experience without compromising their living space.

Another noteworthy feature of the JBL SCS138 is its durability. Built with high-quality materials, the speakers are designed to withstand the rigors of regular use while maintaining optimal sound performance. The stylish finish complements any interior decor, seamlessly blending into both modern and classic settings.

In terms of connectivity, the JBL SCS138 offers compatibility with various audio systems, making it an ideal addition to any home theater setup. The system can be easily integrated with AV receivers, soundbars, and other audio components. Additionally, the speakers can be paired with a subwoofer for an enhanced low-end response, creating a more powerful and dynamic audio experience.

The JBL SCS138 also benefits from advanced acoustic technologies that help to optimize sound delivery. These include a built-in passive crossover that manages frequencies for improved clarity and a consistent listening experience, regardless of the volume level. This technology not only enhances overall sound quality but also preserves the integrity of the audio signal, ensuring you hear your favorite tracks just as the artist intended.

Overall, the JBL SCS138 represents an excellent option for anyone looking to elevate their audio experience, combining performance, style, and versatility in one compact package. Whether used for movies, music, or gaming, the SCS138 delivers outstanding sound quality that brings every detail to life, making it a worthwhile investment for any audio enthusiast.
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