Harman Kardon AVR 525, Service Manual

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harman/kardon
AVR525
A/V DOLBY DIGITAL RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING………………………….…….2
LEAKAGE TESTING……………….....……....3
BASIC SPECIFICATIONS…………….….…..4
FRONT PANEL CONTROLS………………...5
FRONT PANEL DISPLAY…………………….7
REAR PANEL CONNECTIONS……..….……8
REMOTE CONTROL FUNCTIONS…….…..11
INSTALLATION AND CONNECTIONS…....14
TROUBLESHOOTING GUIDE...................17
PROCESSOR RESET………..……….…….17
BLOCK DIAGRAM……………………..…….18
AMPLIFIER BIAS ADJUSTMENT……...…..19
SERVICE BULLETIN # H/K2003-05….…..24
SERVICE BULLETIN # H/K2004-04……...25
TECH TIP HKTT2003-01………….……….28
TECH TIP HKTT2004-03………….……….29
EXPLODED VIEW………………………….33
EXPLODED VIEW PARTS LIST………….34
ELECTRICAL PARTS LIST………..…..….36
PCB DRAWINGS………………..….………92
SEMICONDUCTOR PINOUTS……..….…104
SCHEMATICS………………….…..………167
WIRING DIAGRAM..………………..….….186
PACKAGE………………………………..…187
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev2 8/2005