STR-DA1800ES - Sony Audio Service Manual (repair manual). Page 3

 .............................................  

4

2-1. Disassembly 

Flow 

...........................................................   8

2-2.  Case, Fuse (F901) ...........................................................   9
2-3.  Front Panel Block ...........................................................   10
2-4.  D-VIDEO NW Board Block ...........................................   11
2-5.  D-VIDEO NW Board .....................................................   12
2-6. STANDBY 

Board 

...........................................................  13

2-7.  DCDC Board, DCDC2 Board .........................................   14
2-8. HAT 

Board 

......................................................................  15

2-9. TUNER1AMF 

Assy 

(TU1) 

.............................................  15

2-10.  Back Panel Block ............................................................   16
2-11.  Center Bracket Block ......................................................   16
2-12. AVIDEO Board ...............................................................   17
2-13.  DIGITAL Board Block ...................................................   18
2-14. DIGITAL Board ..............................................................   18
2-15.  MAIN Board Block ........................................................   19
2-16. MAIN Board ...................................................................   20
2-17.  How to Bend Wire (Flat Type) ........................................   20

 ............................................................   21

........................  24

5-1.  Block Diagram - DIGITAL AUDIO Section - ................   27
5-2.  Block Diagram - ANALOG AUDIO, USB Section - .....   28
5-3.  Block Diagram - AMP Section - .....................................   29
5-4.  Block Diagram - VIDEO Section - .................................   30
5-5.  Block Diagram - HDMI Section - ...................................   31
5-6.  Block Diagram - NETWORK Section - .........................   32
5-7.  Block Diagram - PANEL,

 A/D CONVERTER, D/A CONVERTER Section - .......   33

5-8.  Block Diagram - POWER SUPPLY Section - ................   34
5-9. Printed 

Wiring 

Board 

- DIGITAL Board (Component Side) - ...........................   36

5-10. Printed Wiring Board 

- DIGITAL Board (Conductor Side) - .............................   37

5-11.  Schematic Diagram - DIGITAL Board (1/3) - ................   38
5-12.  Schematic Diagram - DIGITAL Board (2/3) - ................   39
5-13.  Schematic Diagram - DIGITAL Board (3/3) - ................   40
5-14.  Printed Wiring Board - MAIN Board - ...........................   41
5-15.  Schematic Diagram - MAIN Board (1/4) - .....................   42
5-16.  Schematic Diagram - MAIN Board (2/4) - .....................   43
5-17.  Schematic Diagram - MAIN Board (3/4) - .....................   44
5-18.  Schematic Diagram - MAIN Board (4/4) - .....................   45

5-19.  Printed Wiring Board - DSP Board - ..............................   46
5-20.  Schematic Diagram - DSP Board - .................................   47
5-21.  Printed Wiring Board - USB Board - ..............................   48
5-22.  Schematic Diagram - USB Board - .................................   49
5-23. Printed Wiring Board 

- AVIDEO Board (Component Side) - ............................   50

5-24. Printed Wiring Board 

- AVIDEO Board (Conductor Side) - ..............................   51

5-25.  Schematic Diagram - AVIDEO Board - ..........................   52
5-26.  Schematic Diagram - D-VIDEO NW Board (1/7) - .......   53
5-27.  Schematic Diagram - D-VIDEO NW Board (2/7) - .......   54
5-28.  Schematic Diagram - D-VIDEO NW Board (3/7) - .......   55
5-29.  Schematic Diagram - D-VIDEO NW Board (4/7) - .......   56
5-30.  Schematic Diagram - D-VIDEO NW Board (5/7) - .......   57
5-31.  Schematic Diagram - D-VIDEO NW Board (6/7) - .......   58
5-32.  Schematic Diagram - D-VIDEO NW Board (7/7) - .......   59
5-33. Printed Wiring Board 

- D-VIDEO NW Board (Side A) - ..................................   60

5-34. Printed Wiring Board 

- D-VIDEO NW Board (Side B) - ..................................   61

5-35.  Printed Wiring Board - HAT Board - ..............................   62
5-36.  Schematic Diagram - HAT Board - .................................   63
5-37. Printed Wiring Boards 

- PANEL, THERMAL SENSOR Section - .....................   64

5-38. Schematic Diagram 

- PANEL, THERMAL SENSOR Section - .....................   65

5-39.  Printed Wiring Board - DISPLAY Board - .....................   66
5-40.  Schematic Diagram - DISPLAY Board - ........................   67
5-41.  Printed Wiring Boards - DCDC Section - .......................   68
5-42.  Schematic Diagram - DCDC Section - ...........................   69
5-43.  Printed Wiring Board - STANDBY Board - ...................   70
5-44.  Schematic Diagram - STANDBY Board - ......................   70

6-1. Case 

Section 

....................................................................  

100

6-2.  D-VIDEO NW Board Section ........................................  101
6-3.  DCDC Board Section ......................................................  102
6-4.  Back Panel Section .........................................................  103
6-5. Chassis 

Section 

...............................................................  

104

6-6.  Front Panel Section .........................................................  105
6-7.  MAIN Board Section ......................................................  106
6-8.  Heat Sink Section ............................................................  107

 ..............................  108

Accessories are given in the last of the electrical parts list.