XAV-7W (serv.man2) — Sony Car Audio Service Manual (repair manual)

Model
XAV-7W (serv.man2)
Pages
78
Size
6.16 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xav-7w-sm2.pdf
Date

View Sony XAV-7W (serv.man2) Service Manual online

SERVICE MANUAL
MEDIA CENTER/RECEIVER
AEP Model
UK Model
SPECIFICATIONS
XAV-7W
Ver. 1.2  2006.03
9-874-047-03
Sony Corporation
2006C05-1
eVehicle Division
© 2006.03
Published by Sony Techno Create Corporation
The XAV-7W is composed of the following models.
Media Center
XAV-7W
Connection Box
XA-114
Wireless Remote Commander
RM-X118
– Continued on next page –
Media center/receiver
Monitor section
Display type
Wide LCD color monitor
Size
7 in.
System
TFT active matrix
Number of pixel
336,960 pixels
Tuner section
FM
Tuning range
87.5 - 108.0 MHz
Intermediate frequency
10.7 MHz
Usable sensitivity
8 dBf
Frequency response
30 - 15,000 Hz
Selectivity
75 dB (400 kHz)
S/N ratio
66 dB (stereo)
72 dB (mono)
Harmonic distortion at 1 kHz
0.6% (stereo)
0.3% (mono)
Separation
35 dB at 1 kHz
MW/LW
Tuning range
MW: 531 - 1,602 kHz
LW: 153 - 279 kHz
Intermediate frequency
10.7 MHz/450 kHz
Usable sensitivity
MW: 30 µV
LW: 40 µV
Amplifier section
Outputs
Speaker outputs
(sure seal connectors)
Speaker impedance
4 - 8 ohms
Maximum power output
45 W  
× 4 (into 4 ohms, at 1 kHz)
General
Power requirements
12 V DC, from car battery (negative
earth)
Inputs
FM/MW/LW aerial (1)
Power supply (1)
Telephone ATT control lead (1)
Illumination control lead (1)
Remote control input connector (1)
Outputs
Front audio (1)
Rear audio (1)
Subwoofer (mono)
Power aerial relay control lead (1)
Power amplifier control lead (1)
I/O connector
Dedicated 22-pin connector
Tone controls
Bass ±7.5 dB at 100 Hz
Treble ±7.5 dB at 10 kHz
Loudness
+8 dB at 100 Hz
+2 dB at 10 kHz
Dimensions
With monitor closed
Approx. 178 
× 50 × 185 mm
(W 
× H × D)
Mass
Approx. 1.7 kg
Supplied accessories
Card remote commander RM-X118
(1) (incl. 1 lithium battery)
Connection box (1)
Parts for installation and
connections (1 set)
Operating Instructions (1 set)
2
XAV-7W
1.
SERVICING  NOTES
...............................................
3
2.
GENERAL
...................................................................
5
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
9
3-2. Front Panel Assy .............................................................
9
3-3. Case (Upper) Assy .......................................................... 10
3-4. MAIN Board ................................................................... 11
3-5. Motor Assy (M701) ......................................................... 12
3-6. Setting of Lead from Motor Assy (M701) ..................... 12
3-7. Monitor ............................................................................ 13
3-8. Monitor (F)/(R) Cabinet Assy ......................................... 13
3-9. LCD ................................................................................. 14
3-10. MONITOR Board ........................................................... 14
4.
ASSEMBLY
4-1. Assembly of Flat Cable ................................................... 15
5.
ELECTRICAL  ADJUSTMENTS
......................... 16
6.
DIAGRAMS
6-1. Block Diagram  – MAIN Section – ................................ 21
6-2. Block Diagram
– DISPLAY/BUS CONTROL Section – ........................ 22
6-3. Block Diagram  – MONITOR Section – ........................ 23
6-4. Block Diagram  – POWER SUPPLY Section – ............. 24
6-5. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 25
6-6. Schematic Diagram  – FM/MAIN (1/5) Boards – ......... 27
6-7. Schematic Diagram  – MAIN Board (2/5) – .................. 28
6-8. Schematic Diagram  – MAIN Board (3/5) – .................. 29
6-9. Schematic Diagram  – MAIN Board (4/5) – .................. 30
6-10. Schematic Diagram  – MAIN Board (5/5) – .................. 31
6-11. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 32
6-12. Printed Wiring Boards
– FM/MAIN (Conductor Side) Boards – ....................... 33
6-13. Printed Wiring Board  – FRONT Board – ...................... 34
6-14. Schematic Diagram  – FRONT Board – ......................... 35
6-15. Printed Wiring Board
– MONITOR Board (Component Side) – ...................... 36
6-16. Printed Wiring Board
– MONITOR Board (Conductor Side) – ........................ 37
6-17. Schematic Diagram  – MONITOR Board (1/3) – .......... 38
6-18. Schematic Diagram  – MONITOR Board (2/3) – .......... 39
6-19. Schematic Diagram  – MONITOR Board (3/3) – .......... 40
6-20. Printed Wiring Boards  – ANGLE/KEY Boards – ......... 42
6-21. Schematic Diagram  – ANGLE/KEY Boards – ............. 43
6-22. Printed Wiring Board  – MOTOR Board – ..................... 44
6-23. Schematic Diagram  – MOTOR Board – ....................... 45
6-24. Printed Wiring Boards  – PULSE/SWITCH Boards – ... 46
6-25. Schematic Diagram – PULSE/SWITCH Boards – ........ 46
6-26. IC Pin Function Description ........................................... 52
7.
EXPLODED  VIEWS
7-1. Front Panel Section ......................................................... 61
7-2. Case (Upper) Assy Section ............................................. 62
7-3. Open Close Motor Section .............................................. 63
7-4. Case (Lower) Assy Section ............................................. 64
7-5. Monitor Section ............................................................... 65
8.
ELECTRICAL  PARTS  LIST
............................... 66
TABLE  OF  CONTENTS
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.
Connection box
Inputs
Video/audio
(Sony bus compatible, 1)
BUS control input connector (1)
Video/audio (2)
Outputs
Video/audio (1)
Connection to main unit
Dedicated 22-pin connector
Dimensions
Approx. 136 
×
 77 
×
 30 mm
(W 
×
 H 
×
 D)
Mass
Approx. 260 g
Design and specifications are subject to
change without notice.
Ver 1.1
3
XAV-7W
SECTION  1
SERVICING  NOTES
OPENING  AND  CLOSING  OF  THE  MONITOR  IN
AN  ELECTRIC  INTERRUPTION  STATE
In the state of electric interruption, if a monitor is opened and
closed by force, it will became the cause of failure.
Please open and close a monitor at the time of repair after the
following procedure decomposes and removing a motor.
1) Front Panel Assy (Disassembly page 9)
2) Case (Upper) Assy (Disassembly page 10)
3) Motor Assy (Monitor Open/Close) (M701)
Note:
Follow the disassembly procedure in the numerical order given.
1
five screws (M2 
×
 2.3)
3
three screws (M2 
×
 2.3)
6
Open and close a monitor after lifting 
a motor assy (monitor open/close) (M701).
motor assy (monitor open/close) (M701)
3
screw (M2 
×
 2.3)
2
cover
4
lug
5
4
XAV-7W
JIG  ON  REPAIRING
When repairing this set, etc., connect the extension cable as the figure shown below.
extension cable
(LCD unit – monitor board)
(Part No. J-2502-051-1)
extension cable
(main board – monitor board)
(Part No. J-2502-056-3)
extension cable
(monitor board – monitor ground plate)
(Part No. J-2502-056-4)
extension cable
(7 inch monitor back light – monitor board)
(Part No. J-2502-051-3)
connect the earth
Page of 78
Display

Download Sony XAV-7W (serv.man2) Service Manual (Repair Manual)

Here you can view online or download Sony XAV-7W (serv.man2) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sony XAV-7W (serv.man2) Car Audio. Information contained in Sony XAV-7W (serv.man2) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).