DOWNLOAD Sony KV-XA21M81 Service Manual ↓ Size: 3.55 MB | Pages: 62 in PDF or view online for FREE

Model
KV-XA21M81
Pages
62
Size
3.55 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa21m81.pdf
Date

Sony KV-XA21M81 Service Manual ▷ View online

 17 
KV
-XA21M81
RM-952
Advanced Operations
22
Additional Teletext tasks
To
display a Teletext page on the TV
picture
check the contents of a Teletext service
select a Teletext page
hold (pause) a Teletext display
reveal concealed information
(e.g., an answer to a quiz)
enlarge the Teletext display
wait for a Teletext page while watching
a TV program
* You can also select a Teletext page that appears in the colored column at
the bottom of the screen using the corresponding color-coded button on
the remote.
Using FASTEXT
This feature allows you to quickly access a Teletext page that uses
FASTEXT. When a FASTEXT program is broadcasted, the colored
menus appear at the bottom of the screen. The colors of the menus
correspond to the red 
x
, green 
x
, yellow 
x
, and blue 
x
 color-
coded buttons on the remote.
To access a FASTEXT menu
Press the color-coded button on the remote corresponding to the
menu you want. The menu page appears on the screen after several
seconds.
Do this
Press 
.
Each time you press 
, the screen changes as
follows: Teletext t Teletext and TV t TV.
Press 
.
An overview of the Teletext contents and page
numbers appear on the screen.
Press the number buttons to enter the three-digit
page number of the desired Teletext page. * If you
make a mistake, reenter the correct page number. To
access the next or previous page, press PROGR +/–.
Press 
 to display the symbol “ z ” at the top left
corner of the screen. To resume normal Teletext
operation, press 
 or 
.
Press 
.
To conceal the information, press the button again.
Press 
.
Each time you press 
, the Teletext display
changes as follows: Enlarge upper half t Enlarge
lower half t Normal size.
1 Enter the Teletext page number that you want to
refer to, then press 
.
2 When the page number is displayed, press 
 to
show the text.
Viewing Teletext (continued)
Additional Information
23
Self-diagnosis function
Your TV is equipped with a self-diagnosis function. If there is a
problem with your TV, the 1 indicator flashes red. The number of
times the 1 indicator flashes indicates the possible causes.
1
Check that the 1 indicator flashes red several times between three seconds
intervals.
2
Count the number of times the 1 indicator flashes.
3
Press ! (main power) to turn off your TV.
4
Inform your nearest Sony service center about the number of times the 1
indicator flashes.
Be sure to note the model name and serial number located on the rear of
your TV.
Front of TV
1
 indicator
2
L(MONO)
R
PROGR
SELECT
AUTO
PROGR
!
Additional Information
Additional Information
 18 
KV
-XA21M81
RM-952
Additional Information
25
Good picture
No sound
Dotted lines or
stripes
Double images or
“ghosts”
No color
Abnormal color
patches
• Press 2 + to increase the volume level.
• Press % to cancel the muting.
• 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.
Possible cause
Symptom
Solutions
continued
• The volume level is
too low.
• The sound is muted.
• 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.
13
14
12
17
12
Page
Additional Information
24
• 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 some channels are noisy,
select the channel, then select the
appropriate TV system (TV SYS).
• 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.
Snowy picture
Noisy sound
Distorted picture
Noisy sound
Good picture
Noisy sound
No picture
No sound
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
• 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 power cord,
antenna or VCR is not
connected.
• The TV is not turned
on.
Page
4
11
11
4
14
13
 19 
KV
-XA21M81
RM-952
Additional Information
26
21
4
12
14
12
23
“100” appears on
the top of the
screen and there is
no Teletext display.
(KV-XG29M81/
XA21M85/XA21M81
only)
Teletext display is
incomplete
(snowy picture or
double images).
(KV-XG29M81/
XA21M85/XA21M81
only)
Picture slant
(KV-XG29M81/
XG29M80/XG25M80/
XA21M85/XA21M81
only)
Lines moving across
the TV screen.
The 
1
 indicator on
your TV flashes red
a number of times
between three
seconds intervals.
TV cabinet creaks.
A “boom” sound is
heard when the TV
is turned on.
Troubleshooting (continued)
Possible cause
Symptom
Solutions
Good morning!
• 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.
Page
•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 until it is optimal.
• Use the fine tuning (FINE) function.
•Contact your nearest Sony service center.
Additional Information
27
Overview of controls
TV front panel
KV-XG29M81/XG29M80/XG25M80
PROGR
SELECT
 AUTO
PROGR
2
(MONO)
KV-XA21M85/XA21M83/XA21M81/XA21M80
Page
Function
Button
Preset channels automatically.
5
Select the desired item.
12
Select program number.
13
Turn off completely or turn on
13
the TV.
Adjust volume.
13
Standby indicator.
13
Select TV or video input.
14
Wake Up indicator.
15
Headphone jack.
AUTO PROGR
SELECT
PROGR +/–
!
+/–
1
t
i
2
L(MONO)
R
PROGR
SELECT
AUTO
PROGR
2
L(MONO)
R
PROGR
SELECT
AUTO
PROGR
!
continued
 20 
KV
-XA21M81
RM-952
Additional Information
28
Remote Control
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
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
Overview of controls (continued)
Select the desired item.
11
Adjust value.
11
Select program number.
13
Input numbers.
13
Adjust volume.
13
Turn off temporarily or
13
turn on the TV.
Select TV or video input.
14
Display the TV program.
14
Mute the sound.
14
Display on-screen information.
14
Jump to previous program
14
number.
Set TV to turn on automatically.
15
Set TV to turn off automatically.
15
Select picture mode.
16
Select sound mode.
16
Display favorite channels.
19
Select stereo/bilingual mode.
Display Teletext broadcast.
21
Display Teletext service contents.
22
Stop Teletext display from
22
scrolling.
Reveal concealed information.
22
Enlarge the Teletext display.
22
Show TV screen while
22
waiting for Teletext page.
Access a FASTEXT menu.
22
SELECT
+/–
PROGR +/–
0 – 9, -
2
 +/–
?/1
t
a
%
JUMP
Timer operations
PIC MODE
SOUND MODE
FAVORITE
Stereo/bilingual operations
(Not used for KV-XG29M81/XG29M80/XG25M80/
XA21M85/XA21M83/XA21M81/XA21M80)
A/B
Teletext operations
(KV-XG29M81/XA21M85/XA21M81 only)
x
 
(red, green,
yellow, blue)
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