DOWNLOAD Sony KV-XF21M31 Service Manual ↓ Size: 2.84 MB | Pages: 61 in PDF or view online for FREE

Model
KV-XF21M31
Pages
61
Size
2.84 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xf21m31.pdf
Date

Sony KV-XF21M31 Service Manual ▷ View online

 17 
KV
-XF21M31
RM-952
21
Advanced Operations
Advanced Operations
Additional Teletext tasks
To
display a Teletext page on the TV
picture
check the contents of a Teletext service
select a Teletext page
hold a Teletext page
(stop the page from scrolling)
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 of any page number 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, green, yellow, and blue 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 
n Teletext and TV n 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 “j” 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 A/B 
.
Each time you press A/B 
, the Teletext display
changes as follows: Enlarge upper half 
n Enlarge
lower half 
n 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.
22
Additional Information
Additional Information
Self-diagnosis
function
Your TV is equipped with a self-diagnosis function. If there is a
problem with your TV, the u indicator flashes red. The number of
times the u indicator flashes indicates the possible causes.
1
Check that the u indicator flashes red a number of times between 3-second
intervals.
2
Count the number of times the u indicator flashes.
3
Press U (main power) to turn off your TV.
4
Inform your nearest Sony service center about the number of times the
u
 indicator flashes.
Be sure to note the model name and serial number located on the rear of
your TV.
Front of TV
ONE-PUSH  AUTOMATIC  PROGRAMING
u
 indicator
 18 
KV
-XF21M31
RM-952
23
Additional Information
Additional Information
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
• Check the antenna cable and connection
on the TV, VCR and on the wall. (page 4)
• Press SELECT until “MANUAL
PROGRAM” appears on the screen then
preset the channel again. (page 9)
• 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 (page 9), then press AUTO
PROGR to preset the channels again
(page 8).
• If the sound of some channels are noisy,
select the channel, then select the
appropriate TV system (TV SYS).
(page 9)
• Check the power cord, antenna and the
VCR connections.
• Press u (power).
• Press U (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 power cord, antenna
or VCR is not connected.
• The TV is not turned on.
continued
24
Additional Information
Possible cause
Symptom
Solutions
Good picture
No sound
Dotted lines or stripes
Double images or
“ghosts”
No color
Abnormal color patches
TV cannot receive stereo
broadcast signal
• Press ¸ + to increase the volume level.
• Press ¤ to cancel the muting.
• Press A/B 
H until a better sound is
heard.
• 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.
(page 10)
• 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. (page 15)
• Press SELECT until “COL SYS ” appears
on the screen, then check the color
system setting (usually set this to
“AUTO”). (page 10)
• 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 U  (main power) on
the TV to turn off the TV for about five
minutes, then turn it on again.
• Press A/B 
H 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.
Troubleshooting (continued)
 19 
KV
-XF21M31
RM-952
26
Additional Information
Identifying parts and controls
Refer to the pages indicated in parentheses ( ) for details.
Front panel
1
U
 (main power) button (11)
2 PROGR +/– (program) buttons (11)
3
¸
 +/– (volume) buttons (11)
4
 (TV/video) button (12)
5 AUTO PROGR (program) button (5)
6 SELECT button (9)
7
2
 (headphone) jack
ONE-PUSH  AUTOMATIC  PROGRAMING
ONE-PUSH  AUTOMATIC  PROGRAMMING
2
25
Additional Information
Additional Information
Stereo broadcast sound
switches on and off or is
distorted.
or
The sound switches
between monaural and
stereo frequently.
“100” appears on the top
of the screen and there is
no Teletext display.
Teletext display is
incomplete
(snowy picture or double
images).
Picture slant
Lines moving across the
TV screen.
The 
u
 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.
Possible cause
Symptom
Solutions
• Check the antenna cable and connection
on the TV, VCR and on the wall. (page 4)
• 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. (page 4)
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Try using a booster.
• Use the fine tuning (FINE) function.
(page 11)
• Press SELECT until “PIC ROTATION”
appears on the screen, then press + or –
to align the picture to the TV screen.
(page 12)
• Use the fine tuning (FINE) function.
(page 10)
• Contact your nearest Sony service
center. (page 22)
• 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 terrestrial magnetism
affects your TV set.
• 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.
 20 
KV
-XF21M31
RM-952
27
Additional Information
Additional Information
Remote Control
Button function
For general TV operations
For Teletext operations
1 u (power) button (11)
2 ; (TV) button (12)
3 Number buttons (11)
4 JUMP button (12)
5 PROGR +/– buttons (11)
6 SELECT button (9)
7 PIC MODE button (14)
8 +/– buttons (9)
9
(display) button (12)
!º ¤ (muting) button (12)
!¡ … (video) button (12)
!™ . +/– (volume) buttons (11)
!£ A/B button (18)
!¢ Timer setting buttons (13)
(wake up timer)
(sleep timer)
!∞ FAVORITE button (16)
!§ SOUND MODE button (14)
!¶ Teletext operation buttons (20, 21)
 (text)
 (enlarge)
 (reveal)
 (hold)
 (index)
 (text clear)
p
 (FASTEXT: red, green, yellow, blue)
Names/symbols of buttons on the
remote are indicated in different
colors to represent the available
functions.
Label color
White
Green
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
1
2
3
4
5
6
7
8
9
0
!™
!∞
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
TV
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