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harman/kardon
AVR445
A/V DOLBY DIGITAL RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING.......................................2 PROCESSOR RESET..........................28
LEAKAGE TESTING................................3 UNIT EXPLODED VIEW........................29
BASIC SPECIFICATIONS.........................4 EXPLODED VIEW PARTS LIST.............30
PACKAGE..............................................5 BLOCK DIAGRAM(S)...........................33
PACKAGE PARTS LIST...........................6 CIRCUIT DESCRIPTION.......................35
FRONT PANEL CONTROLS......................7 IDLE CURRENT ADJUST......................36
REAR PANEL CONNECTIONS................10 SEMICONDUCTOR PINOUTS................39
REMOTE CONTROL FUNCTIONS...........13 PCB DRAWINGS.................................86
INSTALLATION/CONNECTIONS.............17 ELECTRICAL PARTS LIST...................100
OPERATION........................................20 SCHEMATICS.....................................122
TROUBLESHOOTING GUIDE..................28 WIRING DIAGRAM................................137
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev1