Sony KV-XA25M93 Service Manual ▷ View online
–
25
–
KV
-XA25M93/XA29M80
-XA25M93/XA29M80
RM-954
2-7-2. Power Button
1
Push the claw to direction
of arrow and remove
2
Spring compression
3
Power Button
2-7. REPLACEMENT OF PARTS
One screw
(+BVTP 3
(+BVTP 3
×
12)
2-7-1. Light Guide
For replacement of light guide,unscrew
them, exchange with new parts and fix
them with screws respectively.
them, exchange with new parts and fix
them with screws respectively.
Note:
1. Undress necessary wires that creates tension while
placing the chassis into Service Position.
(KV-XA25M93)
2-6. SERVICE POSITION
(KV-XA29M80)
2-5. F BRACKET REMOVAL
2
Two screws
(+BVTP 3
×
12)
3
F Board bracket
5
Two claws
1
Three connectors
4
F board
(KV-XA25M93)
–
26
–
KV
-XA25M93/XA29M80
-XA25M93/XA29M80
RM-954
2-13. A AND B BOARDS REMOVAL
3
B Board
5
A Board
One screw
(+BVTAP 3
×
12
with washer)
2
Three screws
(+BVTAP 3
×
12)
4
Four connectors
2-12. H BOARD REMOVAL
2
Two connectors
3
Two connectors
4
One screw (+BVTAP 3
×
12)
1
Two connectors
5
Four claws
6
H Board
2-11. B1 BOARD REMOVAL
2
One Connector
1
B1 Board
2-10. D3 BOARD REMOVAL
1
Three connectors
2
One claw
3
D3 (KV-XA29M80)
board
2-9. TERMINAL BRACKET REMOVAL
One screw
(+BVTP 4x16)
(+BVTP 4x16)
Two screws
(+BVTP 3
(+BVTP 3
×
12)
6
Two claws
5
Terminal bracket
1
J and J1 Boards
3
4
Two screws
(+BVTP 3
(+BVTP 3
×
12)
2
2-8. J AND J1 BOARD REMOVAL
One screw
(+BVTP 4x16)
(+BVTP 4x16)
Two screws
(+BVTP 3
(+BVTP 3
×
12)
6
Terminal bracket
J (KV-XA29M80) and
J1 (KV-XA25M93) Boards
J1 (KV-XA25M93) Boards
4
5
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27
–
KV
-XA25M93/XA29M80
-XA25M93/XA29M80
RM-954
2-14. PICTURE TUBE REMOVAL
Note:
Please remove necessary CRT support located on top left, top right, prior to removing
the CRT.
the CRT.
@¡
Four DGC clips
!ª
@º
@º
DGC
band
band
!¶
Demagnetic coil
!°
Four claws
4
Two screws
(washer head)
(+P 4
(washer head)
(+P 4
×
16)
1
Speaker (5cm)
(KV-XA29M80 only)
(KV-XA29M80 only)
Speaker (5cm)
(KV-XA29M80 only)
(KV-XA29M80 only)
!º
Two screws
(Tapping 7+
Crown Washer)
(Tapping 7+
Crown Washer)
3
Speaker
(15
(15
×
6.5cm)
5
7
Speaker
(15
(15
×
6.5cm)
!£
Tension
spring
spring
!¡
Chassis assy
!¢
Deflection
yoke
yoke
!∞
Neck assy
!§
C6 board
!™
Anode cap
Coating earth assy
!fi
Picture tube
CRT (Top,right)
Support Assy
(KV-XA29M80 only)
Support Assy
(KV-XA29M80 only)
CRT (Top,left)
Support Assy
(KV-XA29M80 only)
Support Assy
(KV-XA29M80 only)
!›
Cushion
9
Two screws
(Tapping 7+
Crown Washer)
(Tapping 7+
Crown Washer)
2
Two screws
(+BVTP 4
(+BVTP 4
×
16)
8
6
Two screws
(washer head)
(+P 4
(washer head)
(+P 4
×
16)
Two screws
(+BVTP 4
(+BVTP 4
×
16)
@™
Holder DGC
Cushion (50x550) DGC
Cushion (50x550) DGC
Two screws
(+BVTP 4
(+BVTP 4
×
16)
Two screws
(+BVTP 4
(+BVTP 4
×
16)
One screws
(+BVTP 4
(+BVTP 4
×
16)
One screws
(+BVTP 4
(+BVTP 4
×
16)
Tweeter Sheet
(KV-XA25M93 only)
(KV-XA25M93 only)
Tweeter Sheet
(KV-XA25M93 only)
(KV-XA25M93 only)
•
REMOVAL OF ANODE-CAP
NOTE : After removing the anode, short circuit the anode of the picture tube and
the anode cap to the metal chassis, CRT shield or carbon paint on the
CRT.
CRT.
•
REMOVING PROCEDURES
1
Do not damage the surface of anode-caps with sharp shaped objects.
2
Do not press the rubber too hard so as not to damage the inside of anode-cap.
A metal fitting called the shatter-hook terminal is built into the rubber.
A metal fitting called the shatter-hook terminal is built into the rubber.
3
Do not turn the foot of rubber over too hard.
The shatter-hook terminal will stick out or damage the rubber.
The shatter-hook terminal will stick out or damage the rubber.
•
HOW TO HANDLE AN ANODE-CAP
3
When one side of the rubber cap is separated from the anode button, the anode-cap
can be removed by turning up the rubber cap and pulling it up in the direction of the
arrow
can be removed by turning up the rubber cap and pulling it up in the direction of the
arrow
c
.
2
Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow
b
.
1
Turn up one side of the rubber cap in the direction indicated by the arrow
a
.
a
a
b
b
c
Anode Button
– 28 –
KV-XA25M93/XA29M80
RM-954
SECTION 3
ADVANCE OPERATION
3-1. "RESET" FUNCTION
1. Purpose
If a customer faces some setting problem that cannot be solved, using the "RESET" function some items will be
reset to its original setting (shipment condition)
reset to its original setting (shipment condition)
2. How to Operate
The way to access to the "RESET" Function:-
a) By pressing "MENU" button or "SELECT" button (for non-menu models) on the Front Key Input and
hold it down for 5 seconds.
3. Subsequent of Operation
Sequential to the resetting operation (either methods being used in No. 2), TV set would shut down once and
automatically turn on again. The power-off duration is expected to be about 500msec. An OSD message,
"RESET" tentatively will be displayed for 10 sec after IK status gets stable.
As a result, some items will be reset to an initial condition (shipment condition) wheareas some other remains at
the last selection by user.
automatically turn on again. The power-off duration is expected to be about 500msec. An OSD message,
"RESET" tentatively will be displayed for 10 sec after IK status gets stable.
As a result, some items will be reset to an initial condition (shipment condition) wheareas some other remains at
the last selection by user.
Items that remains at the last selection by user
Reset Items
Program No., Favourite CH Setup, PIC rotation,
OSD Language, Fine tuning, TV System, Skip
* = only when in RF mode
*1= Not used for these models
*1= Not used for these models
Video input
RF
Volume
30
Picture mode
DYNAMIC
Sound mode
DYNAMIC
Surround mode
OFF
Color system(video)
AUTO
Multi picture(PIP) *1
OFF
PIP position *1
Bottom-right
Favourite CH mode
AUTO
OSD recall
OFF
Intelligent volume
OFF
ECO mode *
OFF
Color system(RF)
AUTO*
Antenna sensitivity
HIGH*
Stereo mode *
STEREO/NICAM*
[KV-XA25M93 only]
[KV-XA25M93 only]
Bilingual mode *
MAIN*
[KV-XA25M93 only]
[KV-XA25M93 only]
High-deviation mode
AUTO*
Child lock
OFF*
Wide mode
OFF
Game mode
OFF
Teletext mode *1
OFF
Sleep timer
OFF
Wake-up timer
OFF
Sound muting
OFF
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