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DENONHi-Fi ComponentSERVICE MANUALMODEL POA-S1MONAURAL POWER AMPLIFIER一TABLE OF CONTENTSOPERATING INSTRUCTIONS..................................................2-6SPECIFICATIONS>BLOCK DIAGRAM8DISASSEMBLYADJUSTMENT ...........................................................10-SEMICONDUCTORS.....................................................13PRINTED WIRING BOARD1U-2630D INPUT/BALANCE UNIT...............................................141U-2631D CASCADE UNIT....................................................1U-2632D POWER AMPLIFIER UNIT......161U-2633D POWER SUPPLY CONTROL UNIT17NOTE FOR PARTSLIST..............................18PRINTED WIRING BOARD PARTS LIST1U-2630D INPUT/BALANCE UNIT.............................................11U-2631D CASCADE UNIT.................................................191U-2632D POWER AMPLIFIER UNIT ........................................19,21U-2633D POWER SUPPLY CONTROL UNIT.................................20,21PARTS LIST OF EXPLODED VIEW ......PARTS LIST OF PACKING &ACCESSORIES........................................22EXPLODED VIEW ..............................................................WIRING DIAGRAM...................24SCHEMATIC DIAGRAM25-27SERVICE FLOW CHART29NIPPON COLUMBIA CO.,LTD.
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