DOWNLOAD Sony XTL-75V Service Manual ↓ Size: 6.68 MB | Pages: 46 in PDF or view online for FREE

Model
XTL-75V
Pages
46
Size
6.68 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xtl-75v.pdf
Date

Sony XTL-75V Service Manual ▷ View online

SERVICE MANUAL
• XTL-75V is composed of the following models.
• The TV Tuner unit (XT-991V) attached to the XTL-75V is same model as XTL-750W.
For further description, see the Service Manual of XTL-750W (9-925-662-
[][]
).
MOBILE COLOR TV
Chinese Model
SPECIFICATIONS
XTL-75V
TV Monitor
XVM-75V
TV Tuner unit
XT-991V
Wireless remote commander
RM-X63E
TV Tuner unit: XT-991V
TV Monitor: XVM-75V
Wireless remote commander:
RM-X63E
TV Monitor (XVM-75V)
System
Liquid crystal color display
Display
Transparent TN LCD panel
Drive system
TFT active matrix system
Picture size
6.5 in.; 142.6 
×
 80.8 mm,
165 mm
(w 
×
 h, diagonally)
Picture segment
336,960 (w 1440 
×
 h 234)
Speaker type
35 
×
 20 mm dynamic speaker 
×
 1
Power requirements
12 V DC car battery
(negative ground)
Current drain
Approx. 1.0 A
Dimensions
178 
×
 50 
×
 180.7 mm (w 
×
 h 
×
 d)
Operating temperature
5˚C ~ +45˚C
Mass
Approx. 2 kg
TV Tuner unit (XT-991V)
Television system
CCIR I,D,K system
Color system
TV: PAL
Video: PAL, NTSC
Channel converge
VHF: 1 CH ~ 12 CH
UHF: 21 CH ~ 69 CH
Power requirements
12 V DC car battery
(negative ground)
Current drain
Approx. 0.5 A
Output terminals
Video output: RCA pin 1 Vp-p,
        75 ohm
Audio output: RCA pin –10 dBs,
         10 kohm
Monitor output: Square 16 -pin
(exclusive)
Input terminals Video input (2 system): RCA pin 1 Vp-p,
 75 ohm
Audio input: RCA pin –10 dBs, 10 kohm
Antenna input: mini plug
Navigation input:Square 16 -pin
(exclusive)
RCA pin:
Video 1 Vp-p, 75 ohm
Audio (monaural)
–10 dBs, 10 kohm
Dimensions
202 
×
 30 
× 140 
mm (w 
×
 h 
×
 d)
Mass
Approx. 750 g
Wireless remote commander (RM-X63E)
Power requirements
AA (R6) battery 
× 2
Operable range Approx. 3 m
Dimensions
62 
×
 25 
×
 115 mm (w 
×
 h 
×
 d)
Mass
Approx. 100 g
(including batteries)
Supplied accessories
Wireless remote commander
 RM-X63E (1)
Design and specifications are subject to change
without notice.
2
(XT-991V)
TABLE  OF  CONTENTS
1.
SERVICING  NOTES
...............................................
2
2.
DISASSEMBLY
.........................................................
4
3.
ASSEMBLY
.................................................................
9
4.
TEST  MODE
.............................................................. 10
5.
ELECTRICAL  ADJUSTMENTS
......................... 11
6.
DIAGRAMS
6-1. Block Diagram
– AUDIO/VIDEO/MODE CONTROL Section – .......... 15
6-2. Block Diagram
– SENSOR/MOTOR/POWER SUPPLY Section – ........ 16
6-3. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 17
6-4. Printed Wiring Board  – B Board – ................................ 18
6-5. Schematic Diagram  – B Board – ................................... 19
6-6. Printed Wiring Board  – A Board (Side A) – .................. 20
6-7. Printed Wiring Board  – A Board (Side B) – .................. 21
6-8. Schematic Diagram  – A Board (1/3) – .......................... 22
6-9. Schematic Diagram  – A Board (2/3) – .......................... 23
6-10. Schematic Diagram  – A Board (3/3) – .......................... 24
6-11. Printed Wiring Boards
– SENSOR/MOTOR Section – ....................................... 25
6-12. Schematic Diagram  – SENSOR/MOTOR Section – .... 25
6-13. Printed Wiring Board  – G Board – ................................ 26
6-14. Schematic Diagram  – G Board – ................................... 27
6-15. Printed Wiring Board  – PANEL Board – ...................... 28
6-16. Schematic Diagram  – PANEL Board – ......................... 29
6-17. IC Pin Function Description ........................................... 34
7.
EXPLODED  VIEWS
................................................ 36
8.
ELECTRICAL  PARTS  LIST
............................... 40
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.
SECTION  1
SERVICING  NOTES
PRECAUTION  ON  REPLACING  THE  B  BOARD
The R999 necessary for this set is not mounted on the B board for
repair. Also, the R711 unnecessary for this set is mounted.
Therefore, when replacing the B board, add R999 and remove R711
by referring to the following.
– SCHEMATIC  DIAGRAM –
R999 0
R711
0
#
#
– PRINTED  BOARD –
%
^
Loaction: G-11
3
two screws
four screws
three screws
screw
monitor gear (L)
gear (slide L)
slider knob (L)
slider knob (L)
2
1
3
front panel section
slider knob (R)
shaft 
(stopper)
monitor
slider knob (R)
gear (slide R)
monitor gear (R)
PRECAUTION  ON  HANDLING  THE  SET
During the manufacturing of this set, the slide gear phase has been
finely adjusted.
Therefore, never remove those screws shown in the figure when
making repairs.
HOW  TO  PULL  UP  THE  MONITOR  BY  HANDS  AT  POWER  OFF
1. Draw out the front panel fully in the direction of the arrow 1,
and remove the shaft (stopper) from the monitor.
2. Push the slider knob (L) and slider (R) in the direction of ar-
row 2.
(Meshing of gear (slide L) – monitor gear (L), and gear (slide
R) – monitor gear (R) can be disengaged)
3. Pull up the monitor in the direction of arrow 3.
4
SET
FRONT PANEL SECTION
(PAGE 4)
C BOARD
(PAGE 8)
MONITOR
(PAGE 8)
DC MOTOR (SMALL TYPE)
(ANGLE) (M11)
(PAGE 8)
COVER
(PAGE 6)
COVER
(PAGE 6)
HOW TO PULL UP THE MONITOR
(PAGE 6)
HOW TO PULL UP THE MONITOR
(PAGE 6)
B BOARD
(PAGE 5)
A BOARD
(PAGE 7)
D BOARD, DC MOTOR (SMALL TYPE)
(SLIDE) (M21)
(PAGE 7)
FRONT FRAME, CHASSIS (UPPER)
(PAGE 5)
FRONT  PANEL  SECTION
SECTION  2
DISASSEMBLY
Note:
 Follow the disassembly procedure in the numerical order given.
3
boss
2
two screws
(M2 
×
 3)
1
A
5
claw
4
Remove the front panel section
in the direction of arrow 
A.
2
two screws
(M2 
×
 3)
3
boss
6
flat cable 26P
(CN701)
• This set can be disassembled in the order shown below.
Note:
 Be sure to read the SERVICE NOTES before starting repairs.
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Sony XTL-75V Service Manual ▷ Download

  • DOWNLOAD Sony XTL-75V Service Manual ↓ Size: 6.68 MB | Pages: 46 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony XTL-75V in PDF for free, which will help you to disassemble, recover, fix and repair Sony XTL-75V Car Audio. Information contained in Sony XTL-75V Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.