DOWNLOAD Sony KV-XF25M50 (serv.man4) Service Manual ↓ Size: 2.25 MB | Pages: 62 in PDF or view online for FREE

Model
KV-XF25M50 (serv.man4)
Pages
62
Size
2.25 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xf25m50-sm4.pdf
Date

Sony KV-XF25M50 (serv.man4) Service Manual ▷ View online

 17 
KV
-XF25M50
RM-954
26
Adjusting Your Setup (MENU)
Changing the
Channel Preset
(CH PRESET)
setting
The CH PRESET menu allows you to
adjust the setup of your TV. For
example, you can receive a channel with
a weak signal that fails to be tuned in by
automatic presetting.
Presetting channels manually
 
1
Press MENU.
 
2
Press + or – to select the
CH PRESET icon (
), then
press ENTER.
 
3
Press + or – to select
MANUAL PROGRAM, then
press ENTER.
4
Select the program
number to which you
want to preset a channel.
(1) Make sure “PR” is
selected , then press
ENTER.
(2) Press + or – until the
program number you
want to preset (e.g.,
program number 10)
appears on the menu,
then press ENTER.
FAVORITE
SOUND
MODE
PIC MODE
ENTER
MENU
A/B
SURROUND
+ / – /ENTER
MENU
C H   P R E S E T
M A N U A L   P R O G R A M
S K I P : P R 0 5   O N
T V   S Y S : B / G
C O L   S Y S : AU TO
A U T O   P R O G R A M
M A N U A L   P R O G R A M
T V   S Y S : B / G
V H F   L O W
F I N E : A U T O
P R :
0 1
M A N U A L   P R O G R A M
T V   S Y S : B / G
V H F   L O W
F I N E : A U T O
P R :
0 1
M A N U A L   P R O G R A M
T V   S Y S : B / G
V H F   L OW
F I N E : A U T O
P R :
1 0
ENTER
ENTER
ENTER
ENTER
27
Adjusting Your Setup (MENU)
5
Select the desired
channel.
(1) Press + or – to select
either VHF LOW, VHF
HIGH or UHF, then
press ENTER.
(2) Press + or – until the
desired channel
picture appears on
the TV screen, then
press ENTER.
6
If the sound of the
desired channel is
abnormal, select the
appropriate TV system.
(1) Press + or – to select
TV SYS, then press
ENTER.
(2) Press + or – until the
sound becomes
normal (e.g., M), then
press ENTER.
continued
M A N U A L   P R O G R A M
T V   S Y S : B / G
F I N E : A U T O
P R : 1 0
V H F   L O W
ENTER
M A N U A L   P R O G R A M
T V   S Y S : B / G
F I N E : A U T O
P R : 1 0
V H F   L O W
ENTER
M A N U A L   P R O G R A M
T V   S Y S :      
D / K
V H F   L O W        
F I N E : A U T O
P R : 1 0            
M
B / G
  I    
M A N U A L   P R O G R A M
V H F   L O W
F I N E : A U T O
P R : 1 0
T V   S Y S :
M
ENTER
ENTER
 18 
KV
-XF25M50
RM-954
28
Adjusting Your Setup (MENU)
7
If you are not satisfied
with the picture and
sound quality, you may
improve them by using
fine tuning.
(1) Press + or – to select
FINE, then press
ENTER.
(2) Press + or – to select
MANUAL, then press
ENTER.
(3) Press + or – until you
are satisfied with the
picture and sound
quality, then press
ENTER.
To return to the normal screen
Press MENU.
Note
• The TV system (TV SYS) and the fine tuning (FINE) settings are
memorized for each program number.
M A N U A L   P R O G R A M
T V   S Y S : M        
 
 
V H F   L O W        
P R : 1 0          
F I N E :
M A N U A L  
Changing the Channel Preset (CH PRESET) setting (continued)
ENTER
M A N U A L   P R O G R A M
T V   S Y S : M       M A N U A L      
V H F   L O W        
F I N E :
P R : 1 0        
   
A U T O
ENTER
M A N U A L   P R O G R A M
T V   S Y S : M      
   
 
V H F   L O W        
F I N E :
P R : 1 0  
A U T O
M A N U A L
ENTER
29
Adjusting Your Setup (MENU)
Select
AUTO PROGRAM
MANUAL PROGRAM
TV SYS
COL SYS
SKIP
Changing other CH PRESET menu options
1
Press MENU.
2
Press + or – to select the
CH PRESET icon (
), then
press ENTER.
3
Press + or – to select the
desired option (e.g., SKIP),
then press ENTER.
To
preset channels automatically.
preset channels manually. See “Presetting channels
manually” on page 26 and 27.
select the TV system. See “Presetting channels manually”
on page 27.
select the color system. Normally, set this to “AUTO”.
skip unwanted or unused program numbers.
1 Press + or – until the unused or unwanted program
number appears, then press ENTER.
2 Press + or – to select “ON”, then press ENTER.
To put the skipped program number back on, select
“OFF”, then press ENTER.
Tip
• For details on the menu system and how to use the menu, refer to
“Introducing the menu system” on page 19 and “How to use the menu”
on page 20.
Note
• If you preset a locked channel, that particular channel will be unlocked
automatically.
ENTER
ENTER
C H   P R E S E T
M A N U A L   P R O G R A M
S K I P : P R 0 5   O N
T V   S Y S : B / G
C O L   S Y S : AU TO
A U T O   P R O G R A M
C H   P R E S E T
AUT O P ROGR
MA N UA L
SK I P :
P R
P RO
TV
S Y S :
:
B / G ON
COL
S Y S AU
OF F
1 0
 19 
KV
-XF25M50
RM-954
30
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
u
 indicator
31
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
Additional Information
continued
• Check the antenna cable and connection
on the TV, VCR and on the wall.
(page 4)
• Display the CH PRESET menu and
select “MANUAL PROGRAM” to
preset the channel again. (page 26)
• 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,
display the CH PRESET menu and check
the TV system (TV SYS) setting (page 27),
then select “AUTO PROGRAM” to
preset the channels again. (page 29)
• If the sound of some channels is noisy,
select the channel, then  display the CH
PRESET menu and select the
appropriate TV system (TV SYS).
(page 27)
• Check the power cord, antenna and the
VCR connections.
• Press u (power).
• Press U (main power) on the TV to turn
off the TV 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.
 20 
KV
-XF25M50
RM-954
32
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
(not used for this model)
Troubleshooting (continued)
• Press 
¸
 + to increase the volume level.
• Press ¤ to cancel the muting.
• Press A/B 
 until a better sound is
heard. (KV-XF25M65/XF29M65 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.
(page 28).
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
• Display the A/V CONTROL menu and
select “ADJUST” of PICTURE MODE,
then adjust the COLOR level. (page 21
and 22)
• Display the CH PRESET menu and
check the color system (COL SYS)
setting (usually set this to AUTO).
(page 29)
• 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 
 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.
33
Additional Information
Stereo broadcast sound
switches on and off or is
distorted.
or
The sound switches
between monaural and
stereo frequently.
(not used for this model)
“100” appears on the top
of the screen and no
Teletext display.
(not used for this model)
Teletext display is
incomplete
(picture snowy or double
images).
(not used for this model)
Picture slant
Lines moving across the
TV screen.
The 
u
 indicator 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 on 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 28)
• Display the SET UP menu and adjust
“PIC ROTATION” so that the picture is
aligned to the TV screen. (page 25)
• Use the fine tuning (FINE) function.
(page 28)
• Contact your nearest Sony service
center. (page 30)
• 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.
Page of 62
Display

Click on the first or last page to see other KV-XF25M50 (serv.man4) service manuals if exist.