Read Sony STR-DE485 / STR-DE485E Service Manual online
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TABLE OF CONTENTS
1. GENERAL
Main unit ................................................................................. 5
Remote button description ....................................................... 6
Remote button description ....................................................... 6
2. DISASSEMBLY
2-1. Case ..................................................................................... 7
2-2. Front Panel Section ............................................................. 8
2-3. Back Panel ........................................................................... 8
2-4. Digital Board ....................................................................... 9
2-5. Standby Board ..................................................................... 9
2-6. Main Board ....................................................................... 10
2-2. Front Panel Section ............................................................. 8
2-3. Back Panel ........................................................................... 8
2-4. Digital Board ....................................................................... 9
2-5. Standby Board ..................................................................... 9
2-6. Main Board ....................................................................... 10
3. TEST MODE
...................................................................... 11
4. DIAGRAMS
4-1. IC Pin Description ............................................................. 12
4-2. Circuit Boards Location .................................................... 15
4-3. Block Diagram – Tuner/Audio Section – .......................... 16
4-4. Block Diagram – Digital Section – ................................... 17
4-5. Block Diagram – Video/Display Section – ....................... 18
4-6. Block Diagram – Power Section – .................................... 19
4-7. Printed Wiring Boards – Main Section – .......................... 21
4-8. Schematic Diagram – Main Section (1/2) – ...................... 22
4-9. Schematic Diagram – Main Section (2/2) – ...................... 23
4-10. Printed Wiring Board – Digital Section (1/2) – ................ 24
4-11. Printed Wiring Board – Digital Section (2/2) – ................ 25
4-12. Schematic Diagram – Digital Section (1/2) – ................... 26
4-13. Schematic Diagram – Digital Section (2/2) – ................... 27
4-14. Printed Wiring Board – Video Section – ........................... 28
4-15. Schematic Diagram – Video Section – .............................. 29
4-16. Printed Wiring Boards – Display Section – ...................... 30
4-17. Schematic Diagram – Display Section – ........................... 31
4-18. Printed Wiring Boards – Power Section – ......................... 32
4-19. Schematic Diagram – Power Section – ............................. 33
4-20. IC Block Diagrams ............................................................ 34
4-2. Circuit Boards Location .................................................... 15
4-3. Block Diagram – Tuner/Audio Section – .......................... 16
4-4. Block Diagram – Digital Section – ................................... 17
4-5. Block Diagram – Video/Display Section – ....................... 18
4-6. Block Diagram – Power Section – .................................... 19
4-7. Printed Wiring Boards – Main Section – .......................... 21
4-8. Schematic Diagram – Main Section (1/2) – ...................... 22
4-9. Schematic Diagram – Main Section (2/2) – ...................... 23
4-10. Printed Wiring Board – Digital Section (1/2) – ................ 24
4-11. Printed Wiring Board – Digital Section (2/2) – ................ 25
4-12. Schematic Diagram – Digital Section (1/2) – ................... 26
4-13. Schematic Diagram – Digital Section (2/2) – ................... 27
4-14. Printed Wiring Board – Video Section – ........................... 28
4-15. Schematic Diagram – Video Section – .............................. 29
4-16. Printed Wiring Boards – Display Section – ...................... 30
4-17. Schematic Diagram – Display Section – ........................... 31
4-18. Printed Wiring Boards – Power Section – ......................... 32
4-19. Schematic Diagram – Power Section – ............................. 33
4-20. IC Block Diagrams ............................................................ 34
5. EXPLODED VIEWS
5-1. Case Section ...................................................................... 35
5-2. Front Panel Section ........................................................... 36
5-3. Chassis Section-1 .............................................................. 37
5-4. Chassis Section-2 .............................................................. 38
5-2. Front Panel Section ........................................................... 36
5-3. Chassis Section-1 .............................................................. 37
5-4. Chassis Section-2 .............................................................. 38
6. ELECTRICAL PARTS LIST
......................................... 39
STR-DE485/DE485E
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