A-8057SERIAL No.3195ONKYO SERVICE MANUALIntegrated Stereo AmplifierMODEL A-8057Silver and Black modelsUDN,UD120V AC,60HzUG220V AC,50HzUW120Vor220VAC,50/60HzSAFETY-RELATED COMPONENT WARNING!TABLE OF CONTENTSCOMPONENTS IDENTIFIED BY MARK A ON THESCHEMATIC DIAGRAM AND IN THE PARTS LIST AREItemPageCRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.Specifications2REPLACE THESE COMPONENTS WITH ONKYO PARTSBlock diagram2WHOSE PARTS NUMBERS APPEAR AS SHOWN IN THISPrecautions4MANUAL.Main amplifier adjustment4Front panel facilities5MAKE LEAKAGE-CURRENT OR RESISTANCE MEA-System connections5SUREMENTS TO DETERMINE THAT EXPOSED PARTSExploded view6ARE ACCEPTABLY INSULATED FROM THE SUPPLYParts list7CIRCUIT BEFORE RETURNING THE APPLIANCE TOPrinted circuit board parts list8THE CUSTOMER.Packing procedures10Printed circuit board view11Schematic diagram13,17O✉OAUDIO COMPONENTS
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