Read Sony XAV-7W Service Manual online
2
XAV-7W
Connection box
Inputs
Video/audio
(Sony bus compatible, 1)
BUS control input connector (1)
Video/audio (2)
Video/audio (2)
Outputs
Video/audio (1)
Connection to main unit
Dedicated 22-pin connector
Dimensions
Approx. 136
×
77
×
30 mm (5
3
/
8
×
3
1
/
8
×
1
3
/
16
in.) (W
×
H
×
D)
Mass
Approx. 260 g (9 oz)
Design and specifications are subject to
change without notice.
change without notice.
Loudness
+8 dB at 100 Hz
+2 dB at 10 kHz
+2 dB at 10 kHz
Dimensions
With monitor closed
Approx. 178
Approx. 178
×
50
×
185 mm (7
1
/
8
×
2
×
7
3
/
8
in.) (W
×
H
×
D)
Mass
Approx. 1.7 kg (3 lb 12 oz)
Supplied accessories
Card remote commander RM-X118
(1) (incl. 1 lithium battery)
Connection box (1)
Parts for installation and
Parts for installation and
connections (1 set)
Operating Instructions (1 set)
Outputs
Front audio (1)
Rear audio (1)
Subwoofer (mono)
Power antenna relay control lead (1)
Power amplifier control lead (1)
Rear audio (1)
Subwoofer (mono)
Power antenna 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
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
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
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
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 (5/5)/SYNC Boards – .... 31
6-11. Printed Wiring Boards
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 (5/5)/SYNC Boards – .... 31
6-11. Printed Wiring Boards
– MAIN (Component Side)/SYNC Boards – ................. 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
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
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
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-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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