Harman Kardon AVR 240, Service Manual

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harman/kardon
AVR240
7 X 50W 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………….…9
REMOTE CONTROL FUNCTIONS.………12
CONNECTIONS………………………….…16
OPERATION………………………...………18
TROUBLESHOOTING GUIDE…...……..…24
PROCESSOR RESET……………….….…..24
DISASSEMBLY………………………………25 UNIT EXPLODED VIEW……………………..26
EXPLODED VIEW PARTS LIST……………27
AMP BIAS ADJUSTMENT………………….28
BULLETIN HK2006-01……………..……….29
TECH TIP HK2003-01…...….….………..…30
BLOCK DIAGRAM…………………………..31
ELECTRICAL PARTS LIST………………...32
PCB DRAWINGS……………………………71
SEMICONDUCTOR PINOUTS……….……77
SCHEMATICS………………………………148
WIRING DIAGRAM………….....................155
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797 Rev
2 9
/2006