SRS-X7 - Sony Audio Service Manual (repair manual). Page 2

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

3

2-1. Disassembly 

Flow 

...........................................................   9

2-2.  Panel (Bottom) Block .....................................................   10
2-3.  Lithium Battery (BAT1) ..................................................   11
2-4.  Net Grill Sub Assy ..........................................................   12
2-5. Panel 

Top 

Assy 

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

2-6. Cabinet 

(Front) 

Assy 

.......................................................  14

2-7. Clamp 

(L35) 

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

2-8.  Box (Lch, Rch) Block .....................................................   16
2-9.  Loudspeaker Passive (L-ch, R-ch) (SP4, SP5) ...............   16
2-10.  Loudspeaker (6.2 cm) (Subwoofer) (SP3) ......................   17
2-11.  Loudspeaker (4.6 cm) Block ...........................................   17
2-12.  Loudspeaker (4.6 cm) (Full Range Speaker) 

(L-ch, R-ch) (SP1, SP2) ..................................................   18

2-13. Antenna Assy (ANT1) ....................................................   19
2-14. TOUCH Board ................................................................   20
2-15. KEY Board ......................................................................   21
2-16.  NFC Module (RC-S801) (NFC1) ...................................   22
2-17.  Cover (Jack) Block .........................................................   23
2-18. CHARGE Board .............................................................   24
2-19. JACK Board ....................................................................   24
2-20.  MAIN Board Block ........................................................   25
2-21.  WiFi Module (WIFI1), MAIN Board .............................   25
2-22.  Bluetooth Module (BT1) ................................................   26
2-23.  How to Bend Flexible Flat Cable ...................................   26

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

4-1.  Block Diagram - MAIN Section - ...................................   29
4-2. Block 

Diagram 

- PANEL, POWER SUPPLY Section - ...........................   30

4-3.  Printed Wiring Boards - MAIN Section (1/2) - ..............   32
4-4.  Printed Wiring Boards - MAIN Section (2/2) - ..............   33
4-5.  Schematic Diagram - MAIN Section (1/4) - ...................   34
4-6.  Schematic Diagram - MAIN Section (2/4) - ...................   35
4-7.  Schematic Diagram - MAIN Section (3/4) - ...................   36
4-8.  Schematic Diagram - MAIN Section (4/4) - ...................   37

5-1. Overall 

Section 

...............................................................  45

5-2.  Full Range Speaker Section ............................................   46
5-3.  Cabinet (Front) Section ...................................................   47
5-4.  TOUCH Board, JACK Board Section ............................   48
5-5.  Cabinet Rear Section ......................................................   49

 ..............................   50

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

NOTES  ON  CHIP  COMPONENT  REPLACEMENT
• 

Never reuse a disconnected chip component.

• 

Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.

0  OR  DOTTED  LINE  

0  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN  

When c onnecting or disconnecting the AC adapto r, turn off the 
system bef orehand. Otherwise, it may cause malfunction.
Use only the supplied  AC adapto r. To avoid damaging the system,  
do not use any other  AC adapto r.

Polarity of the plug

Plug the AC adaptor into a nearby w all outlet (mains). In the case 
of a problem, unplug it from the w all outlet (mains) immediately.
Do not install the AC adaptor in a c onfined spac e, such as a 
bookcase or built-in cabinet.
To reduce the risk of fir e or electric shock,  do not expose the  AC 
adaptor to dripping or splashing,  and do not plac e objects filled 
with liquids, such as v ases,  on the AC adapto r.
The validity of the CE marking is restricted to only those c ountries 
where it is legally enforced, mainly in the countries EEA (European 
Economic Area).

0  SUR