DOWNLOAD Sony KV-XJ29M31 Service Manual ↓ Size: 5.11 MB | Pages: 85 in PDF or view online for FREE

Model
KV-XJ29M31
Pages
85
Size
5.11 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xj29m31.pdf
Date

Sony KV-XJ29M31 Service Manual ▷ View online

KV
-XJ29M31/XJ29M50/XJ29M60/
XJ29M80/XJ29M81
RM-952
– 21 –
Additional Information
23
Troubleshooting
If you find any problem while viewing your TV, please check the following guide. If
any problem persists, contact your Sony dealer .
Possible cause
Symptom
Solutions
• Check the antenna cable and connection
on the TV, VCR and on the wall.
• Press SELECT until “MANUAL
PROGRAM” appears on the screen, then
preset the channel again.
• Check the antenna type (VHF/UHF).
Contact a Sony dealer for advice.
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Try using a booster.
• Turn off or disconnect the booster if it is
in use.
• If the sound of all the channels are noisy,
check the TV system (TV SYS) setting,
then press AUTO PROGR to preset the
channels again.
• If the sound of some channels are noisy,
select the channel, then select the
appropriate TV system (TV SYS).
• If the sound of some channels are noisy,
select the channel, then press A/B to
select the main sound (KV-XJ29M60
only).
• Check the power cord, antenna and the
VCR connections.
• Press ?/1 (power).
• Press ! (main power) on the TV to turn
off the TV for about five seconds, then
turn it on again.
• Connection is loose or
the cable is damaged.
• Channel presetting is
inappropriate or
incomplete.
• The antenna type is
inappropriate.
• The antenna direction
is inappropriate.
• Signal transmission is
low.
• Broadcast signals are
too strong.
• The TV system setting
or channel presetting
is inappropriate or
incomplete.
• The selected sound is
inappropriate.
• The power cord,
antenna or VCR is not
connected.
• The TV is not turned
on.
Page
4
10
9
10
20
4
13
12
Snowy picture
Noisy sound
Distorted picture
Noisy sound
Good picture
Noisy sound
No picture
No sound
Additional Information
continued
(KV-XJ29M50/M60 (Thailand))
26
Additional Information
Troubleshooting (continued)
Possible cause
Symptom
Solutions
• Press 2 + to increase the volume level.
• Press % to cancel the muting.
• Press A/B until the sound is optimal.
(KV-XJ29M31/XJ29M60 (Thailand) only)
• Do not use a hair dryer or other
equipment near the TV.
• Adjust the antenna direction for
minimum interference. Contact a Sony
dealer for advice.
• Use a highly directional antenna.
• Use the fine tuning (FINE) function.
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
• Press SELECT until “COLOR” appears
on the screen, then press + or – to adjust
the color level.
• Press SELECT until “COLOR SYS ”
appears on the screen, then check the
color system setting (usually set this to
“AUTO”).
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Keep external speakers or other electrical
equipment away from the TV. Do not
move the TV while the TV is turned on.
Press ! (main power) on the TV to turn
off the TV for about 15 minutes, then
turn it on again.
• Press A/B until “AUTO” appears
on the screen.
• The volume level is too
low.
• The sound is muted.
• Broadcast signal has a
transmission problem.
• There is local
interference from cars,
neon signs, hair
dryers, power
generators, etc.
• Broadcast signals are
reflected by nearby
mountains or buildings.
• The antenna direction
is inappropriate.
• Use of a booster is
inappropriate.
• The color level setting
is too low.
• The color system
setting is
inappropriate.
• The antenna direction
is inappropriate.
• The magnetic
disturbance from
external speakers or
other equipment, or
the direction of the
earth’s magnetic field
may affect the TV.
• The stereo reception
setting is
inappropriate.
Page
12
13
20
11
16
11
20
Good picture
No sound
Dotted lines or
stripes
Double images or
“ghosts”
No color
Abnormal color
patches
TV cannot receive
stereo broadcast
signal
(KV-XJ29M31/
XJ29M60 (Thailand)
only)
 22 
KV
-XJ29M31/XJ29M50/XJ29M60/
XJ29M80/XJ29M81
RM-952
Additional Information
27
Possible cause
Symptom
Solutions
Good m
orning!
• 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 A/B until a better sound is heard.
––
• Check the antenna cable and connection
on the TV, VCR, and at the wall.
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Try using a booster.
• Use the fine tuning (FINE) function.
• Keep external speakers or other electrical
equipment away from the TV.
• Press SELECT until “PIC ROTATION”
appears on the screen, then press + or –
to adjust the picture position until it is
optimal.
• Use the fine tuning (FINE) function.
• Contact your nearest Sony service center.
Page
4
20
22
4
11
13
11
24
Stereo broadcast
sound switches on
and off or is distorted.
or
The sound switches
between monaural
and stereo, frequently.
(KV-XJ29M31/XJ29M60
(Thailand) only
“100” appears on
the top of the
screen and there is
no Teletext display.
(KV-XJ29M31/
XJ29M81)
Teletext display is
incomplete (snowy
picture or double
images).
(KV-XJ29M31 /
XJ29M81)
Picture slant
Lines moving across
the TV screen.
The indicator on
your TV flashes red
several times
between three
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 channel carries no
Teletext broadcast.
• Connection is loose or
the cable is damaged.
• The antenna direction
is inappropriate.
• Signal transmission is too
low.
• The magnetic disturbance
from external speakers or
other equipment, or the
direction of the earth’s
magnetic field may affect
the TV.
• There is interference from
external sources, e.g.,
heavy machineries,
nearby broadcast station.
• 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.
• The TV’s demagnetizing
function is working. This
does not indicate a
malfunction.
26
Additional Information
Overview of controls
TV front panel
2
(MONO)
PROGR
AUTO
PROGR
SELECT
Page
Function
Button
Preset channels automatically.
5
Select the desired item.
11
Select program number.
12
Turn off or turn on the TV.
12
Adjust volume.
12
Standby indicator.
12
Select TV or video input.
13
Wake Up indicator.
14
Stereo/bilingual indicator.
20
Headphone jack.
AUTO PROGR
SELECT
PROGR +/–
!
+/–
1
t
 
(KV-XJ29M60 only)
i
KV
-XJ29M31/XJ29M50/XJ29M60/
XJ29M80/XJ29M81
RM-952
 23 
Additional Information
29
Remote Control
TV
1
2
3
4
6
7
8
9
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
-/--
The names/symbols of
buttons on the remote are
indicated in different colors to
represent the available
functions.
Label color
White
Green
Button function
For general TV
operations
For Teletext
operations
Page
Button
Function
SELECT
+/–
PROGR +/–
0 – 9, -/--
2
 +/–
?
/1
t
a
%
JUMP
Timer operations
PIC MODE
SOUND MODE
FAVORITE
Stereo/bilingual operations
(KV-XJ29M31/XJ29M60 (Thailand))
A/B
Teletext operations (KV-XJ29M31/XJ29M81)
x
 (red, green,
yellow, blue)
10
10
12
12
12
12
13
13
13
13
13
14
14
15
15
18
20
22
23
23
23
23
23
23
Select the desired item.
Adjust value.
Select program number.
Input numbers.
Adjust volume.
Turn off temporarily or turn on
the TV.
Select TV or video input.
Display the TV program.
Mute the sound.
Display on-screen information.
Jump to previous program
number.
Set TV to turn on automatically.
Set TV to turn off automatically.
Select picture mode.
Select sound mode.
Display favorite channels.
Select stereo/bilingual mode.
Display Teletext broadcast.
Display Teletext service contents.
Stop Teletext page from scrolling.
Reveal concealed information.
Enlarge the Teletext display.
Show TV screen while waiting
for Teletext page.
Access a FASTEXT menu
KV
-XJ29M31/XJ29M50/XJ29M60/
XJ29M80/XJ29M81
RM-952
– 24 –
SECTION 2
DISASSEMBLY
2-4. SERVICE POSITION
2-3. CHASSIS ASSY REMOVAL
2-2. SPEAKER REMOVAL
2-1. REAR COVER REMOVAL
2 Eight screws
     (+BVTP 4 
× 16)
3 Three screws
     (+BVTP 4 
× 16)
1 Rear cover
2 Two screws washer head
     (+P 4 
× 16)
1 Bracket speaker
1 Chassis assy
2-5-2. REPLACEMENT OF LIGHT GUIDE
2-5. REPLACEMENT OF PARTS
For replacement of the Multi Button and Light Guide,
unscrew them, exchange with the new parts, and fix them
with screws (+BVTP) respectively.
2-5-1. REPLACEMENT OF MULTI BUTTON
1 Two screws
     (+BVTP 3 
× 12)
Control button
1 One screw
     (+BVTP 3 
× 12)
Page of 85
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