HarmanKardon-AVR45-avr-维修说明书手册含电器原理图

harman/kardonAVR45AV DOLBY DIGITAL RECEIVERSERVICE MANUALharman/kardon AVR45品思6 CH DIRECT56“6”8二二二The following marks found in the parts list of this manualIdentify the models as follows:EX AVR45North America area model Black versionBAVR45 RDS:Europe area model Black versionAVR45 SNG Asia area model Black versionCONTENTSELECTROSTATICALLY SENSITIVE(ES)DEVICES.....2SERVICE BULLETIN HK9903..22LEAKAGE TEST......3SERVICE BULLETIN HK2000-01.......................23SPECIFICATIONS......4SERVICE BULLETIN HK2001-02..25CONTROLS AND FUNCTIONS..........6PC.BOARDS.......27REAR PANEL CONNECTIONS........8ELECTRICAL PARTS LIST.......................32SERVICE PROCEDURE..........................9IC BLOCK DIAGRAMS.48ALIGNMENT PROCEDURES.9CPU BLOCK DIAGRAM........................59MAIN AMP IDLING CURRENT ADJUSTMENT.........10DISPLAY SEGMENTS.......................67ALIGNMENT AND TEST POINTS..........1FLT PIN CONFIGURATION.68CIRCUIT DESCRIPTION..........................13SCHEMATIC DIAGRAMS...........69BLOCK DIAGRAM.....16SCHEMATIC DIAGRAMS(RDS/SG).........76DISASSEMBLY PROCEDURES.17SEMICONDUCTOR PIN DIAGRAM..85GENERAL UNIT PARTS LIST............................18WIRING DIAGRAM...........86GENERAL UNIT EXPLODED VIEW........................20PACKING MATERIAL AND PARTS LIST ..............87SERVICE BULLETIN HK9804...........21haman/kardon,Inc.250 Crossways Park Dr.Woodbury,New York 11797Rev1-8/2005