DSX-A50BT, DSX-A50BTE - Sony Car Audio Service Manual (repair manual). Page 2

  .............................................   3

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

6

3-1. Disassembly 

Flow 

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

3-2.  Fuse (Blade Type) (Auto Fuse) (10A/32V) (FU101), 

Cover ...............................................................................   12

3-3.  Sub Panel Block ..............................................................   13
3-4.  MAIN Board (with BT Board) .......................................   14
3-5. ANTENNA 

Board 

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

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

5-1.  Block Diagram - MAIN Section - ...................................   16
5-2. Block 

Diagram 

- DISPLAY/POWER SUPPLY Section - ........................   17

5-3.  Schematic Diagram - MAIN Section (1/3) - ...................   19
5-4.  Schematic Diagram - MAIN Section (2/3) - ...................   20
5-5.  Schematic Diagram - MAIN Section (3/3) - ...................   21
5-6.  Printed Wiring Board - MAIN Section (1/2) 

(AEP, Russian, UK and Saudi Arabia models) - .............   22

5-7.  Printed Wiring Boards - MAIN Section (2/2) 

(AEP, Russian, UK and Saudi Arabia models) - .............   23

5-8.  Printed Wiring Board - MAIN Section (1/2) 

(E, Mexican, Argentina and Indian models) - .................   24

5-9.  Printed Wiring Boards - MAIN Section (2/2) 

(E, Mexican, Argentina and Indian models) - .................   25

5-10.  Printed Wiring Board - KEY Board -..............................   26
5-11.  Schematic Diagram - KEY Board - ................................   27

6-1. Main 

Section 

...................................................................  33

6-2.  Front Panel Section .........................................................   34

  ..............................   35

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.

The 

Bluetooth word mark and logos are 

owned by the Bluetooth SIG, Inc. and any 
use of such marks by Sony Corporation is 
under license. Other trademarks and trade 
names are those of their respective owners.

Windows Media is either a registered 
trademark or trademark of Microsoft 
Corporation in the United States and/or 
other countries.

This product contains technology subject 
to certain intellectual property rights of 
Microsoft. Use or distribution of this 
technology outside of this product is 
prohibited without the appropriate 
license(s) from Microsoft.

MPEG Layer-3 audio coding technology 
and patents licensed from Fraunhofer IIS 
and Thomson.