harman/kardon HK3270/3270RDS STEREO A/V RECEIVER SERVICE MANUAL CONTENTS SPECIFICATIONS…………….………..…..2 ESD WARNING……………….…………….3 LEAKAGE TESTING…………….………....4 ALIGNMENT PROCEDURES…….……….5 ALIGNMENT & TEST POINTS…….…..….5 CONTROLS AND FUNCTIONS…….…..…8 REAR PANEL CONNECTIONS…………...9 REMOTE CONTROL FUNCTIONS………10 CIRCUIT DESCRIPTIONS………….…..…11 BLOCK DIAGRAM…………….……….…..21 DISASSEMBLY PROCEDURES………....22 HK3270 EXPLODED VIEW……………....25 HK3270RDS EXPLODED VIEW………....26 DISASSEMBLY/SCREW LOCATIONS…..27 MECHANICAL PARTS LIST………………30 ELECTRICAL PARTS LIST…………….…31 IC BLOCK DIAGRAMS………….…….…...47 P.C. BOARDS……………………...……….55 SCHEMATIC DIAGRAMS…….….………..58 WIRING DIAGRAM…………………….…..63 HK3270 PACKING MATERIALS……….…64 HK3270RDS PACKING MATERIALS….…65 harman/kardon, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 2/2004