HT-ST7 - Sony Audio Service Manual (repair manual). Page 3

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

4

2-1. Disassembly 

Flow 

...........................................................   6

2-2. Panel 

(L/R) 

Assy 

.............................................................   7

2-3.  Panel (Rear L) Block, Panel (Rear R) .............................   7
2-4.  Bracket (Arm A/B) Assy, Fuse (F501) ............................   8
2-5. Bracket 

(Air) 

Assy 

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

2-6.  Bracket (Bottom) Block ..................................................   9
2-7.  Power Cord (AC1) ..........................................................   10
2-8. Chassis 

Block 

..................................................................  11

2-9. POWER 

Board 

................................................................  12

2-10. AMP Board .....................................................................   12
2-11. IO Board .........................................................................   13
2-12. MAIN Board ...................................................................   13
2-13.  Center Speaker Block .....................................................   14
2-14.  Loudspeaker (6.5 cm) (SP5, SP6, SP7, SP8, SP9) .........   15
2-15.  Cable with Connector (SPC3) .........................................   16
2-16.  Cable with Connector (SPC4) .........................................   16
2-17. RC-S801/A (NFC1) ........................................................   17
2-18.  Bluetooth Module (BT1) ................................................   18
2-19.  Front Speaker (L) Block .................................................   19
2-20.  Loudspeaker (6.5 cm) (SP3) (L-ch) ................................   19
2-21.  Loudspeaker (2 cm) (SP1) (L-ch) ...................................   20
2-22.  Cable with Connector (SPC1) (L-ch) .............................   21
2-23.  Front Speaker (R) Block .................................................   22
2-24. DISPLAY Board .............................................................   23
2-25.  Loudspeaker (6.5 cm) (SP4) (R-ch) ................................   23
2-26.  Loudspeaker (2 cm) (SP2) (R-ch) ...................................   24
2-27.  Cable with Connector (SPC2) (R-ch) .............................   25
2-28. KEY Board ......................................................................   26
2-29.  Flexible Flat Cable (14P) (FFC1) ...................................   26

 ............................................................   27

4-1.  Block Diagram - HDMI Section - ...................................   30
4-2.  Block Diagram - MAIN Section - ...................................   31
4-3.  Block Diagram - AMP Section - .....................................   32
4-4. Block 

Diagram 

- PANEL/POWER SUPPLY Section - ............................   33

4-5.  Schematic Diagram - MAIN Board (1/7) - .....................   35
4-6.  Schematic Diagram - MAIN Board (2/7) - .....................   36
4-7.  Schematic Diagram - MAIN Board (3/7) - .....................   37
4-8.  Schematic Diagram - MAIN Board (4/7) - .....................   38
4-9.  Schematic Diagram - MAIN Board (5/7) - .....................   39
4-10.  Schematic Diagram - MAIN Board (6/7) - .....................   40
4-11.  Schematic Diagram - MAIN Board (7/7) - .....................   41
4-12.  Printed Wiring Board - MAIN Board - ...........................   42
4-13.  Printed Wiring Board - AMP Board - .............................   43
4-14.  Schematic Diagram - AMP Board (1/2) - .......................   44
4-15.  Schematic Diagram - AMP Board (2/2) - .......................   45
4-16.  Printed Wiring Board - IO Board - .................................   46
4-17.  Schematic Diagram - IO Board - ....................................   47
4-18.  Printed Wiring Boards - PANEL Section - .....................   48
4-19.  Schematic Diagram - PANEL Section - ..........................   49
4-20.  Printed Wiring Board - POWER Board - ........................   50
4-21.  Schematic Diagram - POWER Board - ..........................   51

5-1. Panel 

Section 

...................................................................  66

5-2.  Bracket (Bottom) Section ...............................................   67
5-3.  Power Cord Section ........................................................   68
5-4. Chassis 

Section 

...............................................................  69

5-5.  Front Block Section ........................................................   70
5-6.  Front Speaker (L) Section ...............................................   71
5-7.  Center Speaker Section ...................................................   72
5-8.  DISPLAY Board Section ................................................   73
5-9.  Front Speaker (R) Section ...............................................   74
5-10.  Front Panel Section .........................................................   75

 ..............................   76

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