Simply Cinema
ESC230 (120V)
SPEAKER SYSTEM
SERVICE MANUAL
JBL Incorporated |
|
250 Crossways Park Dr. |
|
Woodbury, New York 11797 |
REV 0 5/00 |
ESC230 (120V)
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.
2
ESC230 (120V)
Specifications
3
ESC230 (120V)
Speaker Connection
4
ESC230 (120V)
Source Connection (TV or VCR)
5
ESC230 (120V)
Source Connection (Headphone)
Plug In
Turn On
6
ESC230 (120V)
Surround Modes
Test Mode and Level Adjustments
7
ESC230 (120V)
Bass Boost
Volume
8
ESC230 (120V)
Center Channel
9
ESC230 (120V)
Balance
Surround Channel
10
ESC230 (120V)
Bass and Treble
11