JBL ESC 350 Source (serv.man3) Service Manual ▷ View online
– 16 –
For proper Dolby Pro Logic
operation, a test tone
is used to calibrate the
volume settings of the
speakers. A noise will be
operation, a test tone
is used to calibrate the
volume settings of the
speakers. A noise will be
heard cycling, in order,
from the front left, center,
right, and both surround
speakers.
from the front left, center,
right, and both surround
speakers.
Using the remote control,
push “Tone.” Then adjust
the Center and Surround
levels until the volume
of all the speakers is the
same during the test.
Note: The test tone is
push “Tone.” Then adjust
the Center and Surround
levels until the volume
of all the speakers is the
same during the test.
Note: The test tone is
used to calibrate the
performance of the system.
When listening to an actual
recording, the volume level
of the surround channels is
generally much lower than
that of the front channels.
performance of the system.
When listening to an actual
recording, the volume level
of the surround channels is
generally much lower than
that of the front channels.
In fact, when listening to a
movie, virtually all of the
dialogue and a substantial
number of the effects are
reproduced through the
center channel.
movie, virtually all of the
dialogue and a substantial
number of the effects are
reproduced through the
center channel.
Test Tone
Balance
Surround
Calibrate
+
–
Surround
Calibrate
+
–
Surround
Calibrate
+
–
Center-Channel Volume
Surround
Calibrate
+
–
Surround
Calibrate
+
–
Surround
Calibrate
+
–
Aux
Surround
Tone
Calibrate
+
–
REMOTE
Push “Calibrate” on the
remote control until
“Balance” appears in the
display.
remote control until
“Balance” appears in the
display.
REMOTE
Push “–” on the remote
control to adjust the
balance toward the left
speaker.
control to adjust the
balance toward the left
speaker.
REMOTE
Push “+” on the remote
control to adjust the balance
toward the right speaker.
control to adjust the balance
toward the right speaker.
REMOTE
Push “Calibrate” on the
remote control until “Center”
appears in the display and
the corresponding LED on
top of the display is lit.
remote control until “Center”
appears in the display and
the corresponding LED on
top of the display is lit.
REMOTE
Push “–” on the remote
control to decrease the
volume of the center channel.
control to decrease the
volume of the center channel.
REMOTE
Push “+” on the remote
control to increase the
volume of the center
channel.
control to increase the
volume of the center
channel.
THE SOURCE
CD
Open
Random
Power
Volume
Skip
Search
Tune
Stereo/Mono
– Bass +
Surround Mode
– Treble +
Tuner Presets
Auto Add
Tape/Aux
TV
Auto Tune
AM/FM
Repeat
Delete
Rear
Speakers
TM
Mute
Volume
CD
AM/FM
TV
Aux
Surround
Tone
Calibrate
Power
Sleep
+
–
+
–
The Source
Remote Control
Rear-Channel Volume
Surround
Calibrate
+
–
Surround
Calibrate
+
–
Surround
Calibrate
+
–
REMOTE
Push “Calibrate” on the
remote control until “Rear”
appears in the display and
the corresponding LED on
top of the display is lit.
remote control until “Rear”
appears in the display and
the corresponding LED on
top of the display is lit.
REMOTE
Push “–” on the remote
control to decrease the
volume of the rear channels.
control to decrease the
volume of the rear channels.
REMOTE
Push “+” on the remote
control to increase
the volume of the rear
channels.
control to increase
the volume of the rear
channels.
ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 16
12
– 17 –
Delay Time
The delay control allows
the user to set the sur-
round delay between 15
and 30 milliseconds in
one-millisecond increments.
the user to set the sur-
round delay between 15
and 30 milliseconds in
one-millisecond increments.
The best setting will
depend on the distance
between the main
listening area and the
front speakers as well as
depend on the distance
between the main
listening area and the
front speakers as well as
the distance between the
main listening area and
the rear speakers. The chart
at the bottom shows the
recommended settings.
main listening area and
the rear speakers. The chart
at the bottom shows the
recommended settings.
0 5 10 15
20 25 30 35 40
40
35
30
25
20
15
10
5
0
15ms
15ms
15ms
20ms
25ms
30ms
30ms
30ms
Distance (in feet) From Front Speakers
Distan
ce (in feet) fr
om Rear Speak
ers
Preferable Acceptable
Surround
Calibrate
+
–
Surround
Calibrate
+
–
Surround
Calibrate
+
–
REMOTE
Push “Calibrate” on the
remote control until “Delay”
appears in the display and
the corresponding LED on
top of the display is lit.
remote control until “Delay”
appears in the display and
the corresponding LED on
top of the display is lit.
REMOTE
Push “–” on the remote
control to decrease the
delay time.
control to decrease the
delay time.
REMOTE
Push “+” on the remote
control to increase the
delay time.
control to increase the
delay time.
CD
Open
Random
Power
Volume
Skip
Search
Tune
Stereo/Mono
– Bass +
Surround Mode
– Treble +
Tuner Presets
Auto Add
Tape/Aux
TV
Auto Tune
AM/FM
Repeat
Delete
Rear
Speakers
TM
Mute
Volume
CD
AM/FM
TV
Aux
Surround
Tone
Calibrate
Power
Sleep
+
–
+
–
The Source
Remote Control
ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 17
13
– 18 –
If there is no sound from any
of the speakers, check the
following:
of the speakers, check the
following:
• Make sure the subwoofer is
plugged into an active AC wall
outlet.
• Make sure the Master Power
Switch, located on the rear of the
subwoofer, is in the
plugged into an active AC wall
outlet.
• Make sure the Master Power
Switch, located on the rear of the
subwoofer, is in the
“
On/Standby
”
position.
• Make sure there is a source –
for example, a VCR or television –
hooked up to the TV or tape/aux
input jacks on The Source.
• Make sure that the program
material is playing.
• Recheck the hookup connec-
tions.
• Make sure there is a source –
for example, a VCR or television –
hooked up to the TV or tape/aux
input jacks on The Source.
• Make sure that the program
material is playing.
• Recheck the hookup connec-
tions.
If most of the sound comes from
the center-channel speaker, with
little or no information from
the surround channels, note the
following:
the center-channel speaker, with
little or no information from
the surround channels, note the
following:
Although most of today’s televi-
sions are equipped with stereo
audio output jacks, some stereo
televisions have poor audio sec-
tions and are unable to provide a
Dolby Pro Logic encoded signal. In
the unlikely event that you experi-
sions are equipped with stereo
audio output jacks, some stereo
televisions have poor audio sec-
tions and are unable to provide a
Dolby Pro Logic encoded signal. In
the unlikely event that you experi-
ence this problem, connecting the
audio outputs from your hi-fi VCR,
laser disc player, DVD player, or
satellite receiver directly to one of
the inputs on The Source will pro-
vide a proper audio signal and
allow you to enjoy true Dolby Pro
Logic surround sound.
audio outputs from your hi-fi VCR,
laser disc player, DVD player, or
satellite receiver directly to one of
the inputs on The Source will pro-
vide a proper audio signal and
allow you to enjoy true Dolby Pro
Logic surround sound.
If there is no sound from the
surround speakers or sound is
very low, check the following:
surround speakers or sound is
very low, check the following:
• Check all connections between
the amplifier and each of the
speakers.
• Raise the surround volume
from the remote control
(see
the amplifier and each of the
speakers.
• Raise the surround volume
from the remote control
(see
“
Operation
”
section).
• Make sure the TV show or movie
you are watching is recorded in
Dolby Surround.
you are watching is recorded in
Dolby Surround.
If there is no sound from the
center speaker, check the
following:
center speaker, check the
following:
• Make sure that the processor
is in the Pro Logic mode. If it is
in Phantom or Stereo mode, the
center speaker will not play.
• Check the connections between
the subwoofer and the center
speaker.
is in the Pro Logic mode. If it is
in Phantom or Stereo mode, the
center speaker will not play.
• Check the connections between
the subwoofer and the center
speaker.
If you have low bass output,
check the following:
check the following:
• Experiment with placement of
the subwoofer. Remember, place
the subwoofer in a corner to get
maximum bass output from the
system.
• Increase the level of bass,
using the remote control.
• Adjust the level control on the
rear of the subwoofer.
the subwoofer. Remember, place
the subwoofer in a corner to get
maximum bass output from the
system.
• Increase the level of bass,
using the remote control.
• Adjust the level control on the
rear of the subwoofer.
If you are having trouble picking
up radio stations, check the
following:
up radio stations, check the
following:
• Make sure the antenna is
hooked up properly.
• Depending on your distance from
the station’s transmitter, you may
need to install an FM antenna on
the roof or in the attic.
hooked up properly.
• Depending on your distance from
the station’s transmitter, you may
need to install an FM antenna on
the roof or in the attic.
Troubleshooting
ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 18
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