Read JBL ESC 230 System (serv.man10) Service Manual online
Simply Cinema
ESC230 (120V)
SPEAKER SYSTEM
SERVICE MANUAL
JBL Incorporated
250 Crossways Park Dr.
Woodbury, New York 11797
REV 0 5/00
ESC230 (120V)
2
TABLE OF CONTENTS
GENERAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
TECHNICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
CONTROLS AND CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
ELECTRICAL PARTS LIST (120V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
PACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
PRINTED CIRCUIT BOARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
IC VOLTAGE READINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Description
Part Number
ESC230 SUBWOOFER *
J-SP-SUB
ESC230 SATELLITE SPEAKER *
J-SP-SAT
General System Specifications
Power Output
15 watts x 6 @0.1%THD
Signal-to-Noise Ratio
90 dBA
Input Impedance
20k ohms
Input Sensitivity
400 mV
System Frequency Response
35Hz to 20kHz
Dimensions (H x W x D)
Main Unit: 2-11/16 x 13-1/2 x 9”
(69 x 343 x 230mm)
Satellites: 7-1/2 x 4-1/16 x 4-3/8”
(190 x 103 x 111mm)
Subwoofer:17-3/4 x 7-3/4 x 13-7/8”
(451 x 197 x 352mm)
* The ESC230 subwoofer and satellite speakers are not serviceable.
ESC230 (120V)
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Specifications
ESC230 (120V)
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Speaker Connection
