Read JBL SCS 178 SAT User Guide / Operation Manual online
5
If there is no sound from any of
the speakers:
• Check that receiver/amplifier
the speakers:
• Check that receiver/amplifier
is on and a source is playing.
• 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.
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
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.
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.
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
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.
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.
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.
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-
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.
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.
check the minimum
impedance requirements of
your receiver/amplifier.
If there is low (or no) bass
output:
• Make sure the connections
output:
• Make sure the connections
to the left and right “Speaker
Inputs” have the correct
polarity (+ and –).
Inputs” have the correct
polarity (+ and –).
• If a powered subwoofer is
used, make sure that the
subwoofer is plugged in and
turned on.
subwoofer is plugged in and
turned on.
• In Dolby Digital or DTS
®
modes, make sure your
receiver/processor is
configured so that the
subwoofer and LFE output
are enabled.
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
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.
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.
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.
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.
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
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.
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
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