Sony KV-XA29K90 Service Manual ▷ View online
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21
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KV
-XA29K90
-XA29K90
RM-914
30
Additional Information
Troubleshooting (continued)
Possible cause
Symptom
Solutions
4
–
17
–
24
27
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Stereo broadcast
sound switches
on and off or
is distorted.
or
The sound switches
between monaural
and stereo
frequently.
Picture slant
The 1 indicator on
your TV flashes red
a number of times
between 3-second
intervals.
TV cabinet creaks.
A “boom” sound is
heard when the
TV is turned on.
• Connection is loose or
the cable is damaged.
• The antenna direction
is inappropriate.
• Broadcast signal has a
transmission problem.
• The magnetic
disturbance from
external speakers or
other equipment, or
the direction of the
earth’s magnetic field
may affect the TV.
external speakers or
other equipment, or
the direction of the
earth’s magnetic field
may affect the TV.
• Your TV may need
service.
• Changes in room
temperature
sometimes make the
TV cabinet expand or
contract, making a
noise. This does not
indicate a malfunction.
sometimes make the
TV cabinet expand or
contract, making a
noise. This does not
indicate a malfunction.
• The TV’s
demagnetizing
function is working.
This does not indicate
a malfunction.
function is working.
This does not indicate
a malfunction.
• Check the antenna cable and connection
on the TV, VCR and on the wall.
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Press MTS until a better sound is
heard.
• Keep external speakers or other electrical
equipment away from the TV.
• Display the “SETUP” menu and adjust
“PIC ROTATION” until the picture is
optimal.
optimal.
• Contact your nearest Sony service center.
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Page
Good morning!
31
Additional Information
Overview of controls
TV front panel
continued
L
(MONO)
VIDEO
S VIDEO
VIDEO 3 INPUT
R
AUDIO
CHANNEL
MENU
VOLUME
TV/VIDEO
AUTO
PROGR
STANDBY/
STEREO/
WAKE UP
RETURN
SELECT
POWER
L(MONO)
VIDEO
S VIDEO
VIDEO 3 INPUT
R
AUDIO
CHANNEL
MENU
VOLUME
TV/VIDEO
AUTO
PROGR
PROGR
RETURN
SELECT
POWER
Page
Function
Button
Preset channels automatically.
5
Turn off completely or
11
turn on the TV.
Select channel number.
Select channel number.
11
Standby indicator.
11
Adjust volume.
12
Select TV or video input.
12
Wake Up indicator.
13
Stereo/bilingual indicator.
17
Display the menu.
19
Select and adjust items.
19
Confirm selected items.
19
Headphone jack.
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AUTO PROGR
POWER
POWER
CHANNEL +/–
STANDBY
VOLUME +/–
TV/VIDEO
WAKE UP
STEREO
Menu operations
VOLUME +/–
TV/VIDEO
WAKE UP
STEREO
Menu operations
MENU
SELECT
SELECT
/
RETURN
i
Note
• The TV/VIDEO, CHANNEL +/–, and VOLUME +/– buttons on the TV
• The TV/VIDEO, CHANNEL +/–, and VOLUME +/– buttons on the TV
works as the VIDEO, CH+/–, and VOL +/– buttons respectively on the
remote.
remote.
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KV
-XA29K90
-XA29K90
RM-914
32
Additional Information
Overview of controls (continued)
Page
Button
Function
Remote control
If you prefer Korean labels, you may detach the back of the supplied sticker and
attach it on your remote.
attach it on your remote.
RETURN
MENU
PIC MODE
WAKE UP
SOUND
MODE
SLEEP
CABLE
AUTO
PROGRAM
ADD/
ERASE
FAVORITE
SURROUND
MTS
MUTING
DISPLAY
POWER
VIDEO
TV
1
2
5
8
7
4
0
3
9
6
5
5
10
10
10
11
11
12
12
12
12
12
12
13
13
14
14
15
15
Preset channels automatically.
Receive cable TV programs.
Preset channels manually.
Input numbers.
Confirm input number.
Turn off temporarily or turn on
the TV.
the TV.
Select channel number.
Adjust volume.
Select TV or video input.
Display the TV program.
Mute the sound.
Display on-screen information.
Jump to previous channel
number.
number.
Set TV to turn on automatically.
Set TV to turn off automatically.
Select picture mode.
Select sound mode.
Display favorite channels.
Select desired channel.
AUTO PROGR
CABLE
ADD/ERASE
0 – 9
ENTER
POWER
CH +/–
VOL +/–
VIDEO
TV
MUTING
DISPLAY
JUMP
Timer operation
WAKE UP
SLEEP
PIC MODE
SOUND MODE
Favorite Channel operations
FAVORITE
1 – 6
33
Additional Information
Page
Button
Function
SURROUND
Stereo/bilingual operations
MTS
Menu operations
MENU
+, –
RETURN
RETURN
MENU
PIC MODE
WAKE UP
SOUND
MODE
SLEEP
CABLE
AUTO
PROGRAM
ADD/
ERASE
FAVORITE
SURROUND
MTS
MUTING
DISPLAY
POWER
VIDEO
TV
1
2
5
8
7
4
0
3
9
6
Select surround mode.
Select stereo/bilingual mode.
Display the menu.
Select and adjust items.
Confirm selected items.
16
17
19
19
19
– 23 –
KV
-XA29K90
-XA29K90
RM-914
SECTION 2
DISASSEMBLY
2-1. REAR COVER REMOVAL
2-2. SPEAKER REMOVAL
2-3. CHASSIS ASSY REMOVAL
2-4. F BRACKET REMOVAL
2
Rear cover
1
Four screws
(+BVTP 4
× 16)
3
Eight screws
(+BVTP 4
× 16)
1
Two screws (Washer head)
(+BVTP 4
× 16)
2
Two screws washer head
(+P 4
× 16)
3
F Board bracket
4
F Board
1
Three connectors
5
Two claws
2
Two screws
(+BVTP 3
× 12)
2-5. SERVICE POSITION
2-6-1. Light Guide
2-6-2. Power Button
2-6. REPLACEMENT OF PARTS
For replacement of light guide,unscrew them, exchange
with new parts and fix them with screws respectively.
with new parts and fix them with screws respectively.
One screw
(+BVTP 3
(+BVTP 3
× 12)
1 Push the claw to direction
of arrow and remove
of arrow and remove
2 Spring compression
3 Power Button
Note:
1. Undress necessary wires before going to Service Position.
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24
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KV
-XA29K90
-XA29K90
RM-914
2-11. A AND B BOARDS REMOVAL
2-7. HV CAP BLOCK, PWB HOLDER AND
J BOARD REMOVAL
2-10. H BOARD REMOVAL
2-9. D3 BOARD REMOVAL
2-8. TERMINAL BRACKET REMOVAL
J Board
3
PWB holder
6
Terminal bracket
7
Bracket HVC
HV Cap block
5
One screw
(+BVTP 4
× 16)
4
Two screws
(+BVTP 3
× 12)
1
Two screws
(+BVTP 3
× 12)
2
One screw
(+BVTP 3
× 12)
One screw
(+BVTP 3
× 12)
1
J Board
4
One screw
(+BVTP 4
× 16)
3
Two screws
(+BVTP 3
× 12)
2
Two screws
(+BVTP 3
× 12)
5
Terminal bracket
6
Two claws
1
Three connectors
3
D3 board
2
One claw
3
Two connectors
2
Two connectors
1
Two connectors
4
One screw (+BVTAP 3
× 12)
6
H Board
5
Four claws
3
B Board
5
A Board
4
Four connectors
2
Three screws
(+BVTAP 3
× 12)
One screw
(+BVTAP 3
(+BVTAP 3
× 12
with washer)
Click on the first or last page to see other KV-XA29K90 service manuals if exist.