Sony STR-DB725 free download

File name STRDB725.pdf

STR-DB725/DB825 SERVICE MANUAL AEP Model UK Model Photo: STR-DB825 SPECIFICATIONS -- Continued on next page -- FM STEREO/FM-AM RECEIVER MICROFILM ­1­ TABLE OF CONTENTS 1. SERVICING NOTE ... 3 2. GENERAL ... 4 3. DIAGRAMS 3-1. Circuit Boards Location ... 5 3-2. Block Diagrams · Main Section ... 7 · Power Section ... 9 3-3. Schematic Diagram ­ Video Input Section ­ ... 13 3-4. Printed Wiring Board ­ Video Input Section ­ ... 15 3-5. Schematic Diagram ­ Input Section ­ ... 17 3-6. Printed Wiring Board ­ Input Section ­ ... 19 3-7. Schematic Diagram ­ S-Video Section ­ ... 21 3-8. Printed Wiring Board ­ S-Video Section ­ ... 23 3-9. Schematic Diagram ­ Speaker Section ­ ... 25 3-10. Printed Wiring Board ­ Speaker Section ­ ... 27 3-11. Printed Wiring Board ­ Display Section ­ ... 29 3-12. Schematic Diagram ­ Display Section ­ ... 31 3-13. Schematic Diagram ­ Front Panel Section ­ ... 33 3-14. Printed Wiring Board ­ Front Panel Section ­ ... 35 3-15. Schematic Diagram ­ Power AMP Section ­ ... 37 3-16. Printed Wiring Board ­ Power AMP Section ­ ... 39 3-17. Schematic Diagram ­ Trans Section ­ ... 41 3-18. Printed Wiring Board ­ Trans Section ­ ... 42 3-19. IC Block Diagrams ... 43 3-20. IC Pin Functions ... 46 4. EXPLODED VIEWS 4-1. Case and Back Panel Section ... 48 4-2. Front Panel Section ... 49 4-3. Chassis Section ... 50 5. ELECTRICAL PARTS LIST ... 51 Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. SAFETY-RELATED COMPONENT WARNING !! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN