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SERVICE MANUAL
SUPPLEMENT-1
1
1. DISCRIMINATION
................................................... 2
2. DIAGRAMS
2-1. Printed Wiring Board – DCDC Board – ......................... 4
2-2. Schematic Diagram – DCDC Board – ............................ 5
2-3. Printed Wiring Board – DIGITAL Board (Side A) – ...... 6
2-4. Printed Wiring Board – DIGITAL Board (Side B) – ...... 7
2-5. Schematic Diagram – DIGITAL Board (1/4) –............... 8
2-6. Schematic Diagram – DIGITAL Board (2/4) –............... 9
2-7. Schematic Diagram – DIGITAL Board (3/4) –............... 10
2-8. Schematic Diagram – DIGITAL Board (4/4) –............... 11
2-9. Printed Wiring Board – D-VIDEO Board (Side A) – ......... 12
2-10. Printed Wiring Board – D-VIDEO Board (Side B) – ......... 13
2-11. Schematic Diagram – D-VIDEO Board (1/4) – .............. 14
2-12. Schematic Diagram – D-VIDEO Board (2/4) – .............. 15
2-13. Schematic Diagram – D-VIDEO Board (3/4) – .............. 16
2-14. Schematic Diagram – D-VIDEO Board (4/4) – .............. 17
2-15. Printed Wiring Board – MAIN Board – .......................... 18
2-16. Schematic Diagram – MAIN Board (1/4) – .................... 19
2-17. Schematic Diagram – MAIN Board (2/4) – .................... 20
2-18. Schematic Diagram – MAIN Board (3/4) – .................... 21
2-19. Schematic Diagram – MAIN Board (4/4) – .................... 22
2-20. Printed Wiring Board
– STANDBY-AVIDEO MT PC Board – ......................... 23
2-21. Schematic Diagram –
– STANDBY-AVIDEO MT PC Board – ......................... 24
3.
ELECTRICAL PARTS LIST
............................... 25
Subject: Change of DCDC board (Suf
fi
x-21), DIGITAL
board (Suf
fi
x-21), D-VIDEO board (Suf
fi
x-21),
MAIN board (Suf
fi
x-24) and STANDBY-AVIDEO
MT PC Board (Suf
fi
x-24).
STR-DH720/DH720HP
US Model
STR-DH720/DH720HP
Canadian Model
AEP Model
STR-DH720
Ver. 1.2 2011.10
9-890-560-81
File this supplement with the service manual.
TABLE OF CONTENTS
In this set, DCDC, DIGITAL, D-VIDEO, MAIN and STANDBY-AVIDEO
MT PC boards have been changed in the midway of production.
Printed wiring board, schematic diagram and electrical parts list of new
type are described in this supplement-1.
Refer to original service manual for other information.