harman/kardon
AVR325
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
SERVICE BULLETIN # H/K2003-05………..18
SERVICE BULLETIN # H/K2004-04………..19
TECH TIP HKTT2003-01………………….22
EXPLODED VIEW………….……..……….23
EXPLODED VIEW PARTS LIST………….24
AMPLIFIER BIAS ADJUSTMENT……...…27
BLOCK DIAGRAM………………………….31
ELECTRICAL PARTS LIST………..…..….32
PCB DRAWINGS………………….…….…83
SEMICONDUCTOR PINOUTS……..…….95
SCHEMATICS…………………………..…156
WIRING DIAGRAM..…………….. …...….175
PACKAGE………………………………….176
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev3 9/2006
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