JBL SCS 188 T R O U B L E S H O O T I N G, the speakers, volume is increased, from one speaker

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
the speakers:	set in Dolby Pro Logic mode,
• Check that receiver/amplifier	make sure the center speaker
is on and a source is playing.	is not in phantom mode.
• Check that the powered	• If your receiver/processor
subwoofer is plugged in, its	is set in Dolby Digital or DTS®
Power switch ¡ is switched	mode, make sure the
on to the “ON•” position.	receiver/processor is con-
• Check all wires and	figured so that the center
connections between	speaker is enabled.
receiver/ amplifier and
speakers. Make sure all wires	If the system plays at low
are connected. Make sure	volumes but shuts off as
none of the speaker wires are	volume is increased:
frayed, cut or punctured.	• Check all wires and connecti-
• Review proper operation of	ons between receiver/
your receiver/amplifier.	amplifier and speakers. Make
	sure all wires are connected.
If there is no sound coming	Make sure none of the
from one speaker:	speaker wires are frayed, cut
• Check the “Balance” control	or punctured.
on your receiver/amplifier.	• If more than one pair of main
• Check all wires and con-	speakers is being used, check
nections between receiver/	the minimum impedance
amplifier and speakers. Make	requirements of your
sure all wires are connected.	receiver/amplifier.
Make sure none of the
speaker wires are frayed, cut	If there is low (or no) bass
or punctured.	output:
• In Dolby Digital or DTS®	• Make sure the connections to
modes, make sure that the	the left and right “Speaker
receiver/processor is	Inputs” have the correct
configured so that the	polarity (+ and –).
speaker in question is	• Make sure the subwoofer is
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.

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.

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