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8

If there is no sound from any of
the speakers:

• Check that receiver/amplifier

is on and a source is playing.

• Check that the powered

subwoofer is plugged in, its
Power switch 

¡

is switched

on to the “ON•” 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 “Balance” control

on your receiver/amplifier.

• Check all wires and con-

nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed, cut
or punctured.

• In Dolby Digital or DTS

®

modes, make sure that the
receiver/processor is
configured so that the
speaker in question is
enabled.

If there is no sound from the
center speaker:

• Check all wires and

connections between
receiver/
amplifier and speaker. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed, cut
or punctured.

• If your receiver/processor is

set in Dolby Pro Logic mode,
make sure the center speaker
is not in phantom mode.

• If your receiver/processor 

is set in Dolby Digital or DTS

®

mode, make sure the
receiver/processor is con-
figured so that the center
speaker is enabled.

If the system plays at low
volumes but shuts off as
volume is increased:

• Check all wires and connecti-

ons 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 (or no) bass 
output:

• Make sure the connections to

the left and right “Speaker
Inputs” have the correct
polarity (+ and –).

• Make sure the subwoofer is

plugged into an active
electrical outlet.

• Make sure the powered

subwoofer is plugged in and
switched on.

• In Dolby Digital or DTS

®

modes, make sure your
receiver/processor is
configured so that the
subwoofer and LFE output are
enabled.

If there is no sound from the
surround speakers:

• 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 a surround-sound
mode. If it is not, check to see
if your receiver/ amplifier has
other surround modes you
may use.

• In Dolby Digital or DTS

®

modes, make sure your
receiver/processor is
configured so that the
surround speakers are
enabled.

• Review the operation of your

DVD player and the jacket of
your DVD to make sure that
the DVD features the desired
Dolby Digital or DTS

®

mode,

and that you have properly
selected that mode using both
the DVD player’s menu and
the DVD disc’s menu.

T R O U B L E S H O O T I N G

All manuals and user guides at all-guides.com

Summary of Contents for Simply Cinema SCS 178

Page 1: ...the home environment by calling on JBL s professional engineering leadership SATELLITE TYPE Titanium laminate dome tweeter reflex loaded enclosure SUBWOOFER TYPE Bass reflex enclosure PORT DESIGN Free...

Page 2: ...front speakers and center speaker Two Three in SCS 188 12 2 meter 40 foot speaker cables for connection from receiver to left and right rear satellites and surround back speaker SCS 188 only CAUTION R...

Page 3: ...sible they may be placed on a wall behind the listening position facing for ward The surround back speaker in SCS 188 only should be placed behind the listening position facing the center speaker The...

Page 4: ...nics including JBL use red to denote the terminal and black for the terminal The lead of the speaker wire is noted with a stripe It is important to connect all speakers identically on the speaker to o...

Page 5: ...rked High Level In Connect the left and right terminals on the subwoofer that are marked High Level Out to the cor responding terminals on the back of your front left and right speakers Connect your r...

Page 6: ...or Other Digital Surround Mode Connection SCS 178 and SCS 188 Receiver Subwoofer Out Left Front Left Surround Right Front Right Surround Subwoofer R L Center Surround Back Line Level In Right Surround...

Page 7: ...or the SCS 178 and SCS 188 system is with the Crossover Control set to the Min position Crossover P H A S E The Phase Control determines whether the subwoofer s piston like action moves in and out in...

Page 8: ...res and connecti ons 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...

Page 9: ...ibility that the product described in this owner s manual is in compliance with technical standards EN 60065 1998 EN 55013 A14 1999 EN 55020 A14 1999 EN 61000 3 2 A14 2000 EN 61000 3 3 1 1995 EN 50081...

Page 10: ...Response 6dB 100Hz 22kHz Sensitivity 2 83V 1m 88dB Nominal Impedance 4 Ohms Recommended Amplifier Power 25 100 Watts RMS per Channel Drive Units 12mm Polyamide Titanium Laminate Video shielded HF Dual...

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