Harman Kardon AVR 520, Service Manual

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harman/kardon
AVR520
A/V DOLBY DIGITAL RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING…………………..….……….2
LEAKAGE TESTING………………...……....3
BASIC SPECIFICATIONS……………….…..4
FRONT PANEL CONTROLS………….…….5
REAR PANEL CONNECTIONS……..…..…10
REMOTE CONTROL FUNCTIONS………..12
TROUBLESHOOTING GUIDE…...……...…15
PROCESSOR RESET………………...…….15
UNIT EXPLODED VIEW…………..……......16
EXPLODED VIEW PARTS LIST………..….17
BLOCK DIAGRAM..…………..…..……….…18
BULLETIN HK2003-07……….…….………..19
TECH TIP HKTT2003-01……….…….…..…21
TECH TIP HKTT2004-03……….…….…..…22
IDLE CURRENT ADJUSTMENT……………26
ELECTRICAL PARTS LIST……….…..…….29
SEMICONDUCTOR PINOUTS………..……77
SCHEMATICS………………….…...……….138
WIRING DIAGRAM………….…..….…….…159
PACKAGE……………………………………160
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev
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