4
STR-DE875/DE975
TABLE OF CONTENTS
1. GENERAL ··········································································· 5
2. TEST MODE ······································································ 7
3. DIAGRAMS
3-1. Circuit Boards Location ..................................................... 8
3-2. Block Diagrams ................................................................ 10
• Main Section .................................................................. 10
• Power Section ................................................................ 11
3-3. Printed Wiring Board – Digital Section – ........................ 12
3-4. Schematic Diagram – Digital Section (1/4) – .................. 13
3-5. Schematic Diagram – Digital Section (2/4) – .................. 14
3-6. Schematic Diagram – Digital Section (3/4) – .................. 15
3-7. Schematic Diagram – Digital Section (4/4) – .................. 16
3-8. Printed Wiring Board – Main Section – ........................... 17
3-9. Schematic Diagram – Main Section (1/3) – ..................... 18
3-10. Schematic Diagram – Main Section (2/3) – ..................... 19
3-11. Schematic Diagram – Main Section (3/3) – ..................... 20
3-12. Printed Wiring Board – Display Section – ....................... 21
3-13. Schematic Diagram – Display Section – .......................... 22
3-14. Printed Wiring Board – Video Section – .......................... 23
3-15. Schematic Diagram – Video Section – ............................. 24
3-16. Printed Wiring Board – Speaker Section – ....................... 25
3-17. Schematic Diagram – Speaker Section – ......................... 26
3-18. Printed Wiring Board – Power Section – ......................... 27
3-19. Schematic Diagram – Power Section – ............................ 28
3-20. IC Block Diagrams ........................................................... 29
3-21. IC Pin Function Description ............................................. 33
4. EXPLODED VIEWS
4-1. Front Panel Section .......................................................... 36
4-2. Chassis Section ................................................................. 37
5. ELECTRICAL PARTS LIST ······································· 39