雅马哈yamaha-ax-870SERVICE-MANUAL维修手册电器原理图

AX-870STEREO INTEGRATED AMPLIFIERAX-870SERVICE MANUAL二口总·芦在箭÷IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basie service proedures inherent to the industry.and more specifically YAMAHAProducts.are already known and understool by the users,and have therefore not been restated.WARNING:Faiture to follow and safety procedures when servi this prductmay result in personal injury.destruction of expensive components,and failure of theproduct to perform as specified.For these reasons,we advise all YAMAHA product ownersthat any seviceqrd shoud be perfomed byn athried YAMAHARetailer or theappointed service representative.IMPORTANT:The or sa of this manual to any individual or fimauthorization.certification or recognition of any applicable technical capabilities,orestablish a principle-agent relationship of any form.数R删The data provided is unit(s)indicatedThe reseach,nin adservice depsrtments of YAMAHA a otinytivin to imp YAMAHA products.Modifications are,therefore.inevitable and specifications are subject to change without notice or obligation toany discrepancy ppearcontact the distributor's Service Division.WARNING:componnts.Dischargebody may have accumulated by grounding yourself to the ground buss in the unit (heavygauge black wires connect to this buss).IMPORTANT:The n disassembly and part replcement.Recheck aork before youapply power to the unit.■CONTENTSTO SERVICE PERSONNEL...1ADJUSTMENTS..5REAR PANELSPRINTED CIRCUIT BOARD..............6~14SPECIFICATIONS.H-COM DATA....15BLOCK DIAGRAM..SCHEMATIC DIAGRAM...1617INTERNAL VIEW..PARTSDISASSEMBLY PROCEDURES.......4REMOTE CONTROL TRANSMITTER ...................28YAMAH☒100461Pox1amamatsu.Jaoan1.76K-904同③Printed in Japan'93.6