Harman Kardon HK 3480, Service Manual

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harman/kardon
HK3480
STEREO RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING…………………………....…….2
LEAKAGE TESTING………………..….…..…....3
SPECIFICATIONS ……………………………....4
FRONT PANEL CONTROLS ……………… ….5
REAR PANEL CONNECTIONS ………….....…8
REMOTE CONTROL FUNCTIONS ………..…10
TROUBLESHOOTING GUIDE…...……………12
PROCESSOR RESET……………………….…12
AMPLIFIER BIAS ADJUSTMENT……….…….13
BULLETIN HK2003-10……………………. …..14
BULLETIN HK2004-02……………………. …..16
DISASSEMBLY PROCEDURES………………17
EXPLODED VIEW …………………….………..20
BLOCK DIAGRAM…………..……….……….…21
FRONT PANEL DISPLAY..……….……….……22
IC DESCRIPTIONS/PINOUTS…………………26
ELECTRICAL PARTS LIST …………..………..40
PCB DRAWINGS……………………….…….…46
SCHEMATICS……………………………………48
WIRING DIAGRAM…………………………..….54
PACKAGE…………………………………….….55
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev
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