Read Sony STR-DG300 Service Manual online
3
STR-DG300
TABLE OF CONTENTS
1. GENERAL
Description and location of parts ............................................. 4
2. DISASSEMBLY
2-1. Case ..................................................................................... 6
2-2. Front Panel Section ............................................................. 7
2-3. Back Panel Section .............................................................. 7
2-4. DIGITAL Board .................................................................. 8
2-5. MAIN Board Section .......................................................... 8
2-6. STANDBY Board ............................................................... 9
2-2. Front Panel Section ............................................................. 7
2-3. Back Panel Section .............................................................. 7
2-4. DIGITAL Board .................................................................. 8
2-5. MAIN Board Section .......................................................... 8
2-6. STANDBY Board ............................................................... 9
3. TEST MODE
..................................................................... 10
4. DIAGRAMS
4-1. Block Diagram – Tuner/Audio Section – .......................... 11
4-2. Block Diagram – Digital Section – ................................... 12
4-3. Block Diagram – Key/Display Section – .......................... 13
4-4. Block Diagram – Power Section – .................................... 14
4-5. Circuit Boards Location .................................................... 15
4-6. Printed Wiring Boards – Main Section – .......................... 16
4-7. Schematic Diagram – Main Section (1/2) – ...................... 17
4-8. Schematic Diagram – Main Section (2/2) – ...................... 18
4-9. Printed Wiring Board – Digital Section (Side A) – ........... 19
4-10. Printed Wiring Board – Digital Section (Side B) – ........... 20
4-11. Schematic Diagram – Digital Section (1/5) – ................... 21
4-12. Schematic Diagram – Digital Section (2/5) – ................... 22
4-13. Schematic Diagram – Digital Section (3/5) – ................... 23
4-14. Schematic Diagram – Digital Section (4/5) – ................... 24
4-15. Schematic Diagram – Digital Section (5/5) – ................... 25
4-16. Printed Wiring Board – Front B Speaker Section – .......... 26
4-17. Schematic Diagram – Front B Speaker Section – ............. 26
4-18. Printed Wiring Boards – Display Section – ...................... 27
4-19. Schematic Diagram – Display Section – ........................... 28
4-20. Printed Wiring Board – Power Section – .......................... 29
4-21. Schematic Diagram – Power Section – ............................. 30
4-2. Block Diagram – Digital Section – ................................... 12
4-3. Block Diagram – Key/Display Section – .......................... 13
4-4. Block Diagram – Power Section – .................................... 14
4-5. Circuit Boards Location .................................................... 15
4-6. Printed Wiring Boards – Main Section – .......................... 16
4-7. Schematic Diagram – Main Section (1/2) – ...................... 17
4-8. Schematic Diagram – Main Section (2/2) – ...................... 18
4-9. Printed Wiring Board – Digital Section (Side A) – ........... 19
4-10. Printed Wiring Board – Digital Section (Side B) – ........... 20
4-11. Schematic Diagram – Digital Section (1/5) – ................... 21
4-12. Schematic Diagram – Digital Section (2/5) – ................... 22
4-13. Schematic Diagram – Digital Section (3/5) – ................... 23
4-14. Schematic Diagram – Digital Section (4/5) – ................... 24
4-15. Schematic Diagram – Digital Section (5/5) – ................... 25
4-16. Printed Wiring Board – Front B Speaker Section – .......... 26
4-17. Schematic Diagram – Front B Speaker Section – ............. 26
4-18. Printed Wiring Boards – Display Section – ...................... 27
4-19. Schematic Diagram – Display Section – ........................... 28
4-20. Printed Wiring Board – Power Section – .......................... 29
4-21. Schematic Diagram – Power Section – ............................. 30
5. EXPLODED VIEWS
5-1. Case Section ...................................................................... 38
5-2. Front Panel Section ........................................................... 39
5-3. Chassis Section ................................................................. 40
5-2. Front Panel Section ........................................................... 39
5-3. Chassis Section ................................................................. 40
6. ELECTRICAL PARTS LIST
........................................ 41
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