HarmanKardon-AVR245-avr-维修说明书手册含电器原理图

harman/kardonAVR2457X 50W 7.1 CHANNEL AN RECEIVERSERVICE MANUAL阳图/C0AX1四吕四L0GIC77 CH MUS°日66666666harman/kardon⊙⊙⊙CONTENTSESD WARNING...........2DISASSEMBLY...........34LEAKAGE TESTING..3UNIT EXPLODED VIEW.........38BASIC SPECIFICATIONS...................4EXPLODED VIEW PARTS LIST..............39PACKAGING.....5AMP BIAS ADJUSTMENT.....................40FRONT PANEL CONTROLS...............6BLOCK DIAGRAM..........................41REAR PANEL CONNECTIONS................8PCB DRAWINGS.....................42REMOTE CONTROL FUNCTIONS..........11ELECTRICAL PARTS LIST.............53CONNECTIONS/INSTALLATION.............14SEMICONDUCTOR PINOUTS..............97OPERATION.25SCHEMATICS....220TROUBLESHOOTING GUIDE.................32WIRING DIAGRAM.......................228REMOTE PROCESSOR RESETS..........33hamman/kardon,Inc.250 Crossways Park Dr.Woodbury,New York 11797Rev01/2007