DAV-HDX275, DAV-HDX277WC, DAV-HDX279W, DAV-HDX475, DAVHDX576WF, DAV-HDX675, HCD-HDX275, HCD-HDX277WC, HCD-HDX279W, HCD-HDX475, HCD-HDX576WF, HCD-HDX675 - Sony Audio Service Manual (repair manual). Page 4

Read Sony DAV-HDX275 / DAV-HDX277WC / DAV-HDX279W / DAV-HDX475 / DAVHDX576WF / DAV-HDX675 / HCD-HDX275 / HCD-HDX277WC / HCD-HDX279W / HCD-HDX475 / HCD-HDX576WF / HCD-HDX675 Service Manual online

HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
4
1. 
SERVICING  NOTES
  .............................................   5
2. GENERAL
  ..................................................................   9
3. DISASSEMBLY
3-1. Disassembly 
Flow 
...........................................................  12
3-2. Case 
(DCR) 
.....................................................................  13
3-3.  Front Panel Block ...........................................................   13
3-4. POWER 
Board 
................................................................  14
3-5.  Back Panel Block (HDX275/HDX475/HDX675) ..........   14
3-6.  Back Panel Block 
 (HDX277WC/HDX279W/HDX576WF) 
.......................  
15
3-7.  SPEAKER Board, SERIPARA Board and 
 MAIN 
Board 
...................................................................  
15
3-8. Cover 
(CDM-DCR) 
........................................................  16
3-9.  DVD Mechanism Deck (CDM81C-DVBU101) .............   16
3-10. Tray (Main) Assy ............................................................   17
3-11. MOTOR Board ...............................................................  17
3-12.  Optical Pick-up Section ..................................................   18
3-13.  Optical Pick-up Block
 
(KHM-310CAB or KHM-313CAB) ...............................   18
3-14.  Gear (Sub Tray 1)/Gear (Sub Tray 2) .............................   19
3-15. Lever (Mode) ..................................................................   19
3-16. Stocker Block ..................................................................   20
3-17. Cam (Stocker) .................................................................   20
3-18.  Gear (Stocker 3) ..............................................................   21
3-19.  Rotary Encoder (MD) (S771) .........................................   21
3-20. Gear (BU1) .....................................................................   22
4. 
TEST  MODE 
 ............................................................   23
5. ELECTRICAL 
 
ADJUSTMENTS 
 ........................   27
6. DIAGRAMS
6-1.  Block Diagram - RF SERVO/VIDEO Section - .............   28
6-2. Block 
Diagram 
 
- CHANGER/HDMI/DMPORT Section - ......................   29
6-3.  Block Diagram - TUNER/S-AIR Section - ....................   30
6-4.  Block Diagram - AMP Section - .....................................   31
6-5. Block 
Diagram 
 
- PANEL/POWER SUPPLY Section - ............................   32
6-6. Printed 
Wiring 
Board 
 
- MAIN Board (Component Side) - ................................   34
6-7. Printed 
Wiring 
Board 
 
- MAIN Board (Conductor Side) - ..................................   35
6-8.  Schematic Diagram - MAIN Board (1/12) - ...................   36
6-9.  Schematic Diagram - MAIN Board (2/12) - ...................   37
6-10.  Schematic Diagram - MAIN Board (3/12) - ...................   38
6-11.  Schematic Diagram - MAIN Board (4/12) - ...................   39
6-12.  Schematic Diagram - MAIN Board (5/12) - ...................   40
6-13.  Schematic Diagram - MAIN Board (6/12) - ...................   41
6-14.  Schematic Diagram - MAIN Board (7/12) - ...................   42
6-15.  Schematic Diagram - MAIN Board (8/12) - ...................   43
6-16.  Schematic Diagram - MAIN Board (9/12) - ...................   44
6-17.  Schematic Diagram - MAIN Board (10/12) - .................   45
6-18.  Schematic Diagram - MAIN Board (11/12) - .................   46
6-19.  Schematic Diagram - MAIN Board (12/12) - .................   47
6-20.  Printed Wiring Board - SERIPARA Board - ...................   47
6-21.  Schematic Diagram - SERIPARA Board - ......................   48
6-22.  Printed Wiring Board - S-AIR CON Board 
 (HDX275/HDX475/HDX675) 
.....................................  
49
6-23.  Schematic Diagram - S-AIR CON Board 
 (HDX275/HDX475/HDX675) 
.....................................  
49
TABLE  OF  CONTENTS
6-24.  Printed Wiring Board - S-AIR INC Board 
 (HDX277WC/HDX279W/HDX576WF) 
.....................  
50
6-25.  Schematic Diagram - S-AIR INC Board 
 (HDX277WC/HDX279W/HDX576WF) 
.....................  
51
6-26. Printed Wiring Board 
 
- I/O Board (Component Side) - .....................................   52
6-27. Printed Wiring Board 
 
- I/O Board (Conductor Side) - .......................................   53
6-28.  Schematic Diagram - I/O Board - ...................................   54
6-29.  Printed Wiring Board - SPEAKER Board - ....................   55
6-30.  Schematic Diagram - SPEAKER Board - .......................   55
6-31.  Printed Wiring Boards - JACK-KEY Section - ..............   56
6-32.  Schematic Diagram - JACK-KEY Section - ...................   57
6-33.  Printed Wiring Boards - RELAY Section - .....................   58
6-34.  Schematic Diagram - RELAY Section - .........................   59
6-35.  Printed Wiring Board - FL Board - .................................   60
6-36.  Schematic Diagram - FL Board - ....................................   61
6-37.  Printed Wiring Board - POWER Board - ........................   62
6-38.  Schematic Diagram - POWER Board - ..........................   63
7. 
EXPLODED  VIEWS
7-1. Case 
Section 
....................................................................  81
7-2.  Front Panel Section .........................................................   82
7-3. Chassis 
Section 
...............................................................  83
7-4.  DVD Mechanism Deck Section-1 
 (CDM81C-DVBU101) 
...................................................  
84
7-5.  DVD Mechanism Deck Section-2 
 (CDM81C-DVBU101) 
...................................................  
85
7-6.  DVD Mechanism Deck Section-3
 (CDM81C-DVBU101) 
...................................................  
86
7-7.  Optical Pick-up Section ..................................................   87
8. 
ELECTRICAL  PARTS  LIST
  ..............................   88
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