Harman Kardon AVR 300, Service Manual

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harman/kardon
AVR300
A/V DOLBY DIGITAL RECEIVER
SERVICE MANUAL
CONTENTS
SPECIFICATIONS…………………..…….…..2
ESD WARNING…………………..….……… .4
LEAKAGE TESTING………………...….…....5
CONTROLS AND FUNCTIONS….…….…. .6
SERVICE PROCEDURE……………..….…..9
ALIGNMENT PROCEDURE…………….… .9
IDLE CURRENT/DC OFFSET..…………….10
ALIGNMENT/TEST POINTS………..….…. 11
CIRCUIT DESCRIPTION……………….…. 13
BLOCK DIAGRAM……………………… …16
BULLETIN HK2000-05…………..…...…. …17 BULLETIN HK2000-02 Rev1…..………..….18
DISASSEMBLY PROCEDURE…..……...…21
UNIT EXPLODED VIEW………………..…..22
MECHANICAL PARTS LIST…………..……23
PCB DRAWINGS……………………………25
ELECTRICAL PARTS LIST……………..….30
INTEGRATED CIRCUIT DRAWINGS…..…52
SCHEMATICS………………….…..……..…80
SEMICONDUCTOR PINOUTS………….…89
WIRING DIAGRAM…………………….…...90
PACKAGE………………………………..…..91
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev0 – 6/2002