JBL SUB-350, ESC-350 Service manual
simply cinema
SUB350
Dolby Pro-Logic Surround
Amplifier/Subwoofer
PRELIMINARY
SERVICE MANUAL
JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797
Note: The SUB350 is part of the ESC350 system
1
Service data for the ESC350 Processor/CD player/Tuner, the
“Source” is available in a separate service manual
The “Source” is necessary to test or play the SUB350.
Parts for satellite loudspeakers 300SAT are also available in
separate service literature
- CONTENTS -
BASIC SPECIFICATIONS …………………………………………..1
CONNECTIONS/SET-UP GUIDE ………….………………….2
BASIC TROUBLESHOOTING ….……….……………………....14
EXPLODED VIEW..……………………… ….……………….…….15
PARTS LIST ……………….… ………………...…………….…….16
SCHEMATICS ………..…………………….………………………..22
PACKAGE ………..………….…………….…………………….24
BASIC SPECIFICATIONS
ESC350 SYSTEM
Total System Output 200 watts
Front channels – 35 watts x 3 @ .1% THD
Surround channels – 15 watts x 2 @.1% THD
Subwoofer – 65 watts @ .1% THD
Frequency response 35Hz – 20kHz
S-N ratio 90 dB
Input Impedance 20k Ohms
Input Sensitivity 1500mV
SUB350
Dimensions 15 1/8 x 13 x 14 ½” (384 x 330 x 368mm)
Weight 34.5 lbs. (15.7 kg)
Occasional refinements may be made to existing products without notice but will always meet or exceed original
specifications unless otherwise stated
Connections
JBL ESC350
Powered Subwoofer
Out
In
A or B
TV
Tape/Aux
AM
Loop
US Europe
Tuner
Frequency
Standard
Rear Panel of The Source
TV or Hi-Fi VCR
Antenna
FM
75Ω
L
R
L
R
AUDIO OUT
JBL ESC350
Powered Subwoofer
Out
In
A or B
TV
Tape/Aux
AM
Loop
US Europe
Tuner
Frequency
Standard
Antenna
FM
75Ω
L
R
INPUT
SUBWOOFER LEVEL
Rear Panel of The Source
Rear Panel of Subwoofer
OUTPUTS
RIGHT
CENTER
LEFT
RIGHT
LEFT
FRONT
SPEAKERS
SURROUND
SPEAKERS
Min Max
JBL ESC350
Powered Subwoofer
Out
In
A or B
TV
Tape/Aux
AM
Loop
AM
Antenna
FM Antenna
US Europe
Tuner
Frequency
Standard
Antenna
FM
75Ω
L
R
Rear Panel of The Source
JBL ESC350
Powered Subwoofer
Out
In
A or B
TV
Tape/Aux
AM
Loop
US Europe
Tuner
Frequency
Standard
Rear Panel of The SourceCassette Deck
Antenna
FM
75Ω
L
R
L
R
OUT
L
R
IN
2
Connect TV or VCR to The Source
Note: The Source also
provides a stereo mini-jack (B)
to provide an easy connection
to devices that have a stereo
mini-jack audio output.
Connect Antennas to The Source
Connect Optional Cassette Deck to The Source
Connect The Source to a Subwoofer
– 6 –
Left Front
Center
Right Front
OUTPUTS
Right Surround
Left Surround
FRONT
SPEAKERS
SURROUND
SPEAKERS
RIGHT
CENTER
LEFT
RIGHT
LEFT
Speaker and Amplifier Connection
Speaker Connections
3
– 7 –
Operation
Mute
Volume
+–
Volume
Mute
Volume
+–
Volume
Mute
+–
Volume
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
4
Volume
THE SOURCE
To raise volume:
Turn control on The Source
REMOTE
push “+” on the remote
control.
clockwise or
THE SOURCE
To lower volume:
Turn volume control
REMOTE
push “–” on the remote
control.
on The Source counterclockwise or
Mute
REMOTE
– 8 –
To lower volume
completely: Push “Mute”
on the remote control.
When “Mute” is pushed
again, the volume will
return to its original level.
+
– Treble +
+
– Treble +
Surround
Calibrate
+–
Surround
Calibrate
+–
Bass
– Bass +
Surround Mode
– Treble
– Bass +
Surround Mode
– Treble
Surround
Calibrate
+–
Surround
Calibrate
+–
5
Treble
THE SOURCE
To raise the bass level:
Push “+” on The Source or
THE SOURCE
To lower the bass level:
Push “–” on The Source or
REMOTE
push “Calibrate” on the
remote control until “Bass”
illuminates in The Source
display. Push “+” until you
reach the desired level.
REMOTE
push “Calibrate” on the
remote control until “Bass”
illuminates in The Source
display. Push “–” until you
reach the desired level.
THE SOURCE
To raise the treble level:
Push “+” on The Source or
THE SOURCE
To lower the treble level:
Push “–” on The Source or
REMOTE
push “Calibrate” on the
remote control until “Treble”
illuminates in The Source
display. Push “+” until you
reach the desired level.
REMOTE
push “Calibrate” on the
remote control until “Treble”
illuminates in The Source
display. Push “–” until you
reach the desired level.
– 9 –
AM/FM
TV
Aux
Skip
Search
Tune
CD Operation
Open
Power
Volume
Search
Tune
AM/FM
TV
Aux
TV
Aux
Surround
Skip
Search
Tune
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
6
To Play a CD
THE SOURCE
1. Push “Power” and/or
“Open” on The Source.
2. Insert CD.
THE SOURCE
3. Push “Play” on The
Source or
REMOTE
the remote control.
(The door will close
automatically.)
To Skip to a Different Track
THE SOURCE
Push “|<” or “>|” on
The Source or
REMOTE
the remote control until the
number of the desired track
appears on the display.
To Scan within the Same Track
THE SOURCE
– 10 –
Push “<<” or “>>” on
The Source or
REMOTE
the remote control.
Open
Power
Volume
Skip
Search
Tune
Tuner Presets
Auto Add
Delete
TV
Aux
Surround
To Pause the CD
Search
Tune
Search
Tune
TV
Aux
Surround
CD Random
TV Auto Tune
AM/FM Repeat
CD Random
Stereo/MonoTape/Aux
TV Auto Tune
AM/FM Repeat
7
To Play the Tracks of a CD in Random Order
Push “Random” on The Source.
The Source will automatically
delete each track it has played
from the “Random” operation.
THE SOURCE
Push “Pause” on The Source
or
To Stop the CD
THE SOURCE
Push “Stop” on The Source
or
To Program the CD
REMOTE
the remote control. Push
again to resume play.
REMOTE
the remote control.
THE SOURCE
To Repeat the Disc
Note: If “Random” and
“Repeat” are both engaged the
CD player will randomly play
the disc, deleting all played
tracks, until the disc is
finished. It will then randomly
play the disc again.
THE SOURCE
Push “Repeat” on The Source.
THE SOURCE
1. Push “Power” and/or
“Open” on The Source.
2. Insert CD.
THE SOURCE
3. Push “|<” or “>|” to
select desired track.
THE SOURCE
4. Push “Add” to program
track. Repeat procedure
until all desired tracks are
programmed.
– 11 –
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