JBL JSR-400, Руководство по обслуживанию

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Dolby Pro-Logic Ò A/V Receiver JSR-400
JSR400 TABLE OF CONTENTS
COVER...........................................................................1
TABLE OF CONTENTS.................................................2
ARC CINEMA II SPECIFICATIONS ..............................2
SPECIFICATIONS..........................................................3
CONTROLS AND THEIR FUNCTION...........................7
REAR PANEL CONNECTIONS.....................................9
DISASSEMBLY PROCEDURES .................................10
CIRCUIT DESCRIPTION .............................................13
JSR400 PACKING .......................................................17
JSR400 BLOCK DIAGRAM .........................................18
JSR-400 UNIT EXPLODED VIEW ..............................19
JSR-400 ELECTRICAL PARTS LISTS .......................20
SIMPLE TROUBLESHOOTING...................................26
MORE COMPLEX TROUBLESHOOTING ..................27
TUNER ALIGNMENT...................................................29
JSR-400 MAIN PCB ...................................................31
JSR-400 CONTROL PCB ............................................32
JSR-400 TUNER PCB .................................................33
JSR-400 SUB PCBs ....................................................34
WIRING DIAGRAM ......................................................35
INTEGRATED CIRCUIT DIAGRAMS 1-5 ..............36-40
TRANSISTOR DIAGRAMS..........................................41
JSR-400 SCHEMATIC DIAGRAM
MAIN BOARD...............................................................42
JSR-400 SCHEMATIC DIAGRAM
CONTROL BOARD......................................................43
JSR-400 SCHEMATIC DIAGRAM
POWER SUPPLY/
VIDEO/TONE/
HEADPHONE/
VOLUME PCB’s ...........................................................44
JSR-400 SCHEMATIC DIAGRAM
TUNER BOARD ...........................................................45
ARC CINEMA II SPECIFICATIONS
Total System Output . . . . . . . . . . 280 watts
Front Channels: . . . . . . . . . . . . 50 watts x 3 @ .1% THD;
Surround Channels:. . . . . . . . . . . 25 watts x 2 @ .1% THD;
Subwoofer: . . . . . . . . . . . . . . 80 watts x 1 @ 1% THD
System Frequency Response . . . . . . (–6dB) 45Hz – 20kHz
Input Impedance . . . . . . . . . . . . 20k ohms
Input Sensitivity . . . . . . . . . . . . 220mV
Receiver
Dimensions (H x W x D) . . . . . . . . 4-5/8 x 10-1/4 x 9-3/4 inches
. . . . . . . . . . . . . . . . . . . . 117 x 260 x 248mm
Weight . . . . . . . . . . . . . . . . 5 lbs/2.3 kg
Occasional refinements may be made to existing products without notice, but will always meet or exceed original
specifications unless other-wise stated.