Read JBL E 90 (serv.man5) User Guide / Operation Manual online
TROUBLESHOOTING
If there is no sound from
any of the speakers:
any of the speakers:
• Check that receiver/ampli-
fier is on and that a source is
playing.
fier is on and that a source is
playing.
• Review proper operation of
your receiver/amplifier.
your receiver/amplifier.
If there is no sound com-
ing from one speaker:
ing from one speaker:
• Check the “Balance”
control on your receiver/
amplifier.
control on your receiver/
amplifier.
• Check all wires and connec-
tions between receiver/
amplifier and speakers.
tions between receiver/
amplifier and speakers.
• Make sure no wires are
touching other wires or
terminals and creating a short
circuit.
touching other wires or
terminals and creating a short
circuit.
• Make sure all wires are
connected. Make sure none
of the speaker wires are
frayed, cut or punctured.
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 config-
ured so that the speaker in
question is enabled.
receiver/processor is config-
ured so that the speaker in
question is enabled.
• Turn off all electronics and
switch the speaker in ques-
tion with one of the other
speakers that is working cor-
rectly. Turn everything back
on, and determine whether
the problem has followed the
speakers, or has remained in
the same channel. If the prob-
lem is in the same channel,
the source of the problem is
most likely with your receiver
or amplifier, and you should
consult the owner’s manual for
that product for
further information. If the prob-
lem has followed the speaker,
consult your dealer for further
assistance or, if that is not
possible, visit www.jbl.com
for further
information.
switch the speaker in ques-
tion with one of the other
speakers that is working cor-
rectly. Turn everything back
on, and determine whether
the problem has followed the
speakers, or has remained in
the same channel. If the prob-
lem is in the same channel,
the source of the problem is
most likely with your receiver
or amplifier, and you should
consult the owner’s manual for
that product for
further information. If the prob-
lem has followed the speaker,
consult your dealer for further
assistance or, if that is not
possible, visit www.jbl.com
for further
information.
If the system plays at
low volumes but shuts
off as volume is
increased:
low volumes but shuts
off as volume is
increased:
• Check all wires and connec-
tions between receiver/
amplifier and speakers.
tions between receiver/
amplifier and speakers.
• Make sure all wires are
connected. Make sure none
of the speaker wires are
frayed, cut or punctured.
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.
main speakers is being used,
check the minimum imped-
ance requirements of your
receiver/amplifier.
If there is no (or low)
bass output:
bass output:
• Make sure the polarities
(+ and –) of the left and right
“Speaker Inputs” are
connected properly.
(+ and –) of the left and right
“Speaker Inputs” are
connected properly.
• Consider adding a powered
subwoofer to your system for
use with digital “.1” surround
formats.
subwoofer to your system for
use with digital “.1” surround
formats.
If there is no sound from
the surround speakers:
the surround speakers:
• Check all wires and connec-
tions between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed,
cut or punctured.
tions 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.
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
whether your receiver/ ampli-
fier has other surround
modes you may use.
show you are watching is
recorded in a surround sound
mode. If it is not, check to see
whether your receiver/ ampli-
fier has other surround
modes you may use.
• In Dolby Digital or DTS
modes, make sure your
receiver/processor is config-
ured so that the surround
speakers are enabled.
modes, make sure your
receiver/processor is config-
ured 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.
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.
Declaration of Conformity
We, Harman Consumer International
2, route de Tours
72500 Chateau-du-Loir
France
72500 Chateau-du-Loir
France
declare in own responsibility that the products
described in this owner’s manual are in compliance
with technical standards:
described in this owner’s manual are in compliance
with technical standards:
EN 50081-1:1992
EN 50082-1:1997
EN 50082-1:1997
Gary Mardell
Harman Consumer International
Chateau-du-Loir, France 8/03
Click on the first or last page to see other E 90 (serv.man5) service manuals if exist.