HarmanKardon-AVR300-avr-维修说明书手册含电器原理图

harman/kardonAVR300A/V DOLBY DIGITAL RECEIVERSERVICE MANUALharman/kardonThe following marks found in the parts list of this manualidentify the models as follows.E AVR 300North America area model Black versionAVR 300 RDS Europe area model Black versionCONTENTSSPECIFICATIONS................2BULLETIN HK2000-02 Rev1....18ESD WARNING..........8DISASSEMBLY PROCEDURE21LEAKAGETESTING.............................5UNIT EXPLODED VIEW......................22CONTROLS AND FUNCTIONS..............6MECHANICAL PARTS LIST.................23SERVICE PROCEDURE...............9PCB DRAWINGS........................25ALIGNMENT PROCEDURE..................9ELECTRICAL PARTS LIST...................30IDLE CURRENT/DC OFFSET..................10INTEGRATED CIRCUIT DRAWINGS........52ALIGNMENT/TEST POINTS.11SCHEMATICS...................80CIRCUIT DESCRIPTION.....................13SEMICONDUCTOR PINOUTS...............89BLOCK DIAGRAM....16WIRING DIAGRAM................9.oBULLETIN HK2000-05...........17PACKAGE.9haman/kardon,Inc.250 Crossways Park Dr.Woodbury,New York 11797Rev0-6/2002