s-ap4020.pdf v3.3 6/2002SERVICE MANUAL1. Parts List2. Pot Board• M1128 Schematic• M1128 PCB layout3. Input Board• M1129 Schematic• M1129 PCB layout4. Power Supply Board• M1127 Schematic• M1127 PCB layout• M1126 Schematic• M1126 PCB layout4. Service Kit• M1146/m11265. Power Amp ModuleAP4020U.S.A.Yorkville Sound Inc.4625 Witmer Industrial EstateNiagara Falls, New York14305 USAVoice: (716) 297-2920Fax: (716) 297-3689WORLD HEADQUARTERSCANADAYorkville Sound550 Granite CourtPickering, OntarioL1W-3Y8 CANADAVoice: (905) 837-8481Fax: (905) 837-8746Quality and Innovation Since 1963Printed in CanadaWEB: www.yorkville.com

YORKVILLE Professional Series Service Manual