harman/kardon
AVR347
7 X 55W 7.1 CHANNEL A/V RECEIVER
SERVICE MANUAL
CONTENTS
ESD WARNING……………………………….2
LEAKAGE TESTING……………….…..…....3
BASIC SPECIFICATIONS…………………..4
PACKAGING………………………..………..5
FRONT PANEL CONTROLS………..…..…..6
REAR PANEL CONNECTIONS………….…8
REMOTE CONTROL FUNCTIONS.………11
CONNECTIONS………………………….…14
OPERATION………………………...………33
TROUBLESHOOTING GUIDE…...……..…41
PROCESSOR RESET……………….….…..42
DISASSEMBLY………………………………43
UNIT EXPLODED VIEW……………………..48
EXPLODED VIEW PARTS LIST……………49
AMP BIAS ADJUSTMENT………………….50
BLOCK DIAGRAM…………………………..51
ELECTRICAL PARTS LIST……………..…52
PCB DRAWINGS……………………………98
SEMICONDUCTOR PINOUTS……….…..107
SCHEMATICS………………………………209
WIRING DIAGRAM...................................219
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev 0 6/2007
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