Sony XTL-75V Manual de usuario
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 segment336,960 (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
TVTuner 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 rangeApprox. 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 (SideA) –.................. 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)
g
ear (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.
3boss
2two screws
(M2 ×3)
1
A
5claw
4Remove the front panel section
in the direction of arrow A.2two screws
(M2 ×3)
3boss
6flat cable 26P
(CN701)
• This set can be disassembled in the order shown below.
Note: Be sure to read the SERVICE NOTES before starting repairs.
5
FRONT FRAME, CHASSIS (UPPER)
B BOARD
1screw
(B2.6 ×4)
4front frame
Note: Do not pull the front
frame by force,
or it gets damaged.
1screw
(B2.6 ×4)
5boss 1screw
(B2.6 ×4)
2car mount bracket
1screw
(B2.6 ×4)
1screw
(B2.6 ×4)
6chassis (upper)
1screw
(B2.6 ×4)
3five claws
1screw
(B2.6 ×4)
2car mount
bracket
5boss
1Pull the front panel ass’y.
2four screws
(B2.6 ×4)
2screw
(B2.6 ×4
)
4binding
band
5connection cords
(CN701, 702, 703)
6B board
3two flat cables (L) 26P
(CN705, 706)
Note: When removing the flat
cable (L) 26P, pull out
the front panel
but do not raise the B board
by force.
6
COVER
HOW TO PULL UP THE MONITOR
3After making sure the shaft (stopper)
has been removed from the monitor,
pull up the monitor in the direction of arrow C.
shaft (stopper)
C
B
A
B
2Push the slider knob (R)
in the direction of arrow B.
1Pull the monitor base ass’y
in the direction of arrow A.
2Push the slider knob (L)
in the direction of arrow B.
1two screws
(M2 ×3)
2Open this side, as there are screws
that fix the side plate.
1six screws
(M2 ×3)
3Remove the cover in the
direction of arrow A.
1two screws
(M2 ×3)
A
S102
Note: When removing or
mounting the cover,
take care not to allow the cover
to be stuck to the S102.
screw head
side plate
7
A BOARD
D BOARD, DC MOTOR (SMALL TYPE) (SLIDE) (M21)
2three connectors
(CN104, 105, 107)
1two flat cables (L) 26P
(CN101, 102)
3five screws
(M2 ×4)
4A board
1flat cable 26P
(CN109)
1flat cable 26P
(CN401)
2two connectors
(CN106, 108)
8two screws
(M2 ×3)
Note: When installing these screws
and DC motor, apply a drop
of screw lock G (1401B).
0bracket (monitor motor)
9DC motor (small type)
(slide) (M21)
1screw (M2 ×3)
2bracket (monitor stopper
)
5screw
(M2 ×3)
6D board
7motor gear (slide)
3screw
(M2 ×3)
4Remove the bracket
(monitor motor) in the
direction of the arrow.
Part Name Part No.
SCREW LOCK G 7-432-114-11
(1401B)
8
DC MOTOR (SMALL TYPE) (ANGLE) (M11)
C BOARD, MONITOR
5three screws
(M2 ×3)
6side plate
B
8Remove the monitor in the
direction of arrow B.
1flat cable 26P
(CN401)
A
7Push the slider knob (R)
in the direction of arrow A.
4C board
3screw (M2 ×3)
2connector
(CN11)
2four screws
(M2 ×3)
1connector
(CN108) 4two screws
(M2 ×3)
3motor gear (monitor)
6bracket
(monitor motor)
5DC motor (small type)
(angle) (M11)
B
Note: When installing these screw
s
and DC motor, apply a drop
of screw lock G (1401B).
Part Name Part No.
SCREW LOCK G 7-432-114-11
(1401B)
9
INSTALLATION OF FLAT CABLE (L) 26P
Note: Follow the assembly procedure in the numerical order given.
SECTION 3
ASSEMBLY
7two screws
(M2 ×3)
6FFC cover (2)
5
5
3B board
4four screws
(B2.6 ×4)
2two flat cables (L) 26P
(CN705, 706)
4screw
(B2.6 ×4)
B board
two flat cables (L) 26P
chassis (lower)
ass’y
Note: No slack is allowed.
filament tape 16 × 50
8Using a filament tape 16 × 50,
stick two flat cables (L) 26P
to the chassis bottom without a slack
as shown in the figfure.
base ass’y
1Pull the base ass’y
in the direction of arrow A.
A
0Pull the flat cable (L) 26P in the direction of arrow B,
and stick it to the sheet (FFC) with an adhesive tape.
DC motor (small type) (slide) (M21) B
adhesive tape
sheet (FFC)
qs screw (M2 ×3)
qa FFC cover (1)
0Pull the flat cable (L) 26P
in the direction of arrow C,
and stick it to the sheet (FFC)
with an adhesive tape.
C
adhesive tape
sheet (FFC)
9flat cable (L) 26P
(CN101)
9Let the flat cable (L) 26P through
under DC motor (small type) (slide) (M21)
as shown in the figure, and connect to
the connector (CN102).
10
SECTION 4
TEST MODE
Test mode setting
1. Press the [OPEN/CLOSE] button to place the set in open state.
2. Press the [V ADJ] button and [TV/VIDEO] button simulta-
neously.
3. A beep sounds and the test mode is activated.
Note: The test mode is active for several seconds only, and it returns to
normal state if no operation is performed during this time. When
the test mode is activated, perform the following operation imme-
diately.
Monitor position initializing
Return the position and angle at the time of monitor open state to
the initial position set in the factory.
1. Immediately after the Test mode is activated, press the
[SEARCH --] button and [TV/VIDEO] button. (A beep will
sound)
2. Press the RESET button, and the monitor is stored and the
monitor position is initialized. (Normal state will get back)
Este manual sirve para los siguientes modelos
3
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