Read JBL JBL 1820 User Guide / Operation Manual online
JBL continually strives to improve its products. New materials, production methods
and design refinements are introduced into existing models without notice as a rou-
tine expression of our design philosophy. For this reason, JBL loudspeakers may differ
in some respect from their published specifications and descriptions, but will always
equal or exceed the original specifications unless otherwise stated.
and design refinements are introduced into existing models without notice as a rou-
tine expression of our design philosophy. For this reason, JBL loudspeakers may differ
in some respect from their published specifications and descriptions, but will always
equal or exceed the original specifications unless otherwise stated.
If there is no sound from
the surround speakers,
check the following:
the surround speakers,
check the following:
• 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.
• 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 Dolby
nections 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 Dolby
*
Surround.
If it is not, check to see if
your receiver/amplifier has
other surround modes you
may use.
your receiver/amplifier has
other surround modes you
may use.
If there is no sound from
the center speaker, check
the following:
the center speaker, check
the following:
• Make sure that your
receiver’s Center Channel
Mode is in the “normal” or
“wide” position. If it is in
the “phantom” position, the
center speaker will not play.
• Check all connections
between processor/amplifier
and the center speaker.
receiver’s Center Channel
Mode is in the “normal” or
“wide” position. If it is in
the “phantom” position, the
center speaker will not play.
• Check all connections
between processor/amplifier
and the center speaker.
If the system plays at low
volumes but shuts off as
volume is increased, check
the following:
volumes but shuts off as
volume is increased, check
the following:
• 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.
• If more than one pair of
main speakers is being used,
check the minimum imped-
ance requirements of your
receiver/amplifier.
nections 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 imped-
ance requirements of your
receiver/amplifier.
Troubleshooting
JBL1810/1820 OM 7/28/98 9:34 AM Page 3
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