JBL AVR480, Service Manual

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AVR480
A/V DOLBY DIGITAL RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING………………………….…….2
LEAKAGE TESTING……………….....……....3
BASIC SPECIFICATIONS…………….….…..4
FEATURES...................................................5
FRONT PANEL CONTROLS………………...6
FRONT PANEL DISPLAY…………………….8
REAR PANEL CONNECTIONS…………….10
REMOTE CONTROL FUNCTIONS……..….12
OPERATION……………………………….....15
TROUBLESHOOTING GUIDE…………..….23 MICROPROCESSOR RESET……………23
UNIT EXPLODED VIEW………….……….24
EX VIEW PARTS LIST………...………….25
BLOCK DIAGRAMS………………………..27
ELECTRICAL PARTS LIST………..…..….29
PCB DRAWINGS……………………..……53
IC/TRANSISTOR PINOUTS…….…..…….81
SCHEMATICS…………………………...…94
WIRING DIAGRAM..................................104
PACKAGING……………………….…...…105
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev0 8/2004