DOWNLOAD Sony KV-XA25M31 Service Manual ↓ Size: 5.64 MB | Pages: 127 in PDF or view online for FREE

Model
KV-XA25M31
Pages
127
Size
5.64 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa25m31.pdf
Date

Sony KV-XA25M31 Service Manual ▷ View online

 21 
KV
-XA25M61/XA25
M31/XA25M90/XA25M80/XA25M50
RM-954
KV
-XA25M87/XA25M84/XA25M86
RM-953
27
Adjusting Your Setup (MENU)
+ / – /ENTER
MENU
1
Press MENU.
2
Press + or – to select the
“CH PRESET” icon (
),
then press ENTER.
3
Press + or – to select the
desired item (e.g.,
“AUTO PROGRAM”),
then press ENTER.
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.
Select
AUTO PROGRAM
MANUAL PROGRAM
TV SYS
To
preset channels automatically.
preset channels manually (see Presetting channels
manually
 on page 28).
change the TV system.
Press + or – to select either “B/G”, “I”, “D/K” or “M”, then
press ENTER.
ENTER
ENTER
R
T V
CH PRE S E T
S Y S : B / G
MANUA L PROGRAM
AM+ + +
O PROG
AU
T
FAVORITE
SOUND
MODE
PIC MODE
ENTER
MENU
A/B
SURROUND
RAM
VH
AU TO PROG
F L OW
T V
PR
S Y S : AU TO
0 1
:
To return to the normal screen
Press MENU.
Tip
• For details on the menu system and how to use the menu, refer to
Introducing the menu system
 on page 19.
continued
28
Adjusting Your Setup (MENU)
Changing the Channel Preset (“CH PRESET”) setting (continued)
Presetting channels manually
 
1
After selecting “MANUAL
PROGRAM”, 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.
2
Select the desired channel.
(1) Make sure either
“VHF LOW”, “VHF
HIGH” or “UHF” is
selected, then press
ENTER.
(2) Press + or – until the
desired channel
picture appears on
the TV screen, then
press ENTER.
3
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.
ENTER
PR
0 1
:
RAM
VH F
MANUA L PROG
T V S Y S : B / G
F I NE : AU TO
L OW
ENTER
PR
1 0
:
RAM
VH F
MANUA L PROG
T V S Y S : B / G
F I NE : AU TO
L OW
ENTER
ENTER
ENTER
ENTER
PR 1 0
:
RAM
VH F
MANUA L PROG
T V S Y S : B / G
F I NE : AU TO
L OW
PR 1 0
:
RAM
VH F
MANUA L PROG
T V S Y S : B / G
F I NE : AU TO
L OW
PR 1 0
:
RAM
VH F
MANUA L PROG
/ K
T V S Y S :
I
B / G
F I NE : AU TO
L OW
M
D
PR 1 0
:
RAM
VH F
MANUA L PROG
T V S Y S :
M
F I NE : AU TO
L OW
 22 
KV
-XA25M61/XA25
M31/XA25M90/XA25M80/XA25M50
RM-954
KV
-XA25M87/XA25M84/XA25M86
RM-953
29
Adjusting Your Setup (MENU)
4
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 the
picture and sound
quality are optimal,
then press ENTER.
The + or – icon on the
menu flashes while
tuning.
To return to the normal screen
Press MENU.
Notes
• If you preset a locked program number (“CHILD LOCK”), that particular
program number will be unlocked automatically (see page 26).
• The TV system (“TV SYS”) and the fine tuning (“FINE”) settings are
memorized for each program number.
ENTER
ENTER
ENTER
PR 1 0
:
RAM
VH F
MANUA L PROG
T V S Y S : M
MANUA L
AU T
O
F I NE :
L OW
PR 1 0
:
RAM
VH F
MANUA L PROG
– +
T V S Y S : M
MANUA L
AU TO
F I NE :
L OW
PR 1 0
:
RAM
VH F
MANUA L PROG
T V S Y S : M
F I NE :
MANUA L
L OW
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 1 indicator flashes red. The number of
times the 1 indicator flashes indicates the possible causes.
1
Check that the 1 indicator flashes red a number of times between
3-second 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
PROGR
MENU
AUTO
PROGR
ENTER
SELECT
L(MONO)
3
 23 
KV
-XA25M61/XA25
M31/XA25M90/XA25M80/XA25M50
RM-954
KV
-XA25M87/XA25M84/XA25M86
RM-953
31
Additional Information
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.
• Display the “CH PRESET” menu and
select “MANUAL PROGRAM” to 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,
display the “CH PRESET” menu and
check the TV system (“TV SYS”) setting,
then select “AUTO PROGRAM” to preset
the channels again.
• If the sound of some channels are noisy,
select the channel, then display the “CH
PRESET” menu and 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.
• 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.
Page
4
28
27
27
15
4
9
9
Snowy picture
Noisy sound
Distorted picture
Noisy sound
Good picture
Noisy sound
No picture
No sound
• 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.
Additional Information
continued
32
Additional Information
Troubleshooting (continued)
• Press 2 + to increase the volume level.
• Press % to cancel the muting.
• Press A/B until a good 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.
• Adjust the antenna direction. Contact a
Sony dealer for advice.
• Turn off or disconnect the booster if it is
in use.
• Display the “PICTURE” menu and select
“ADJUST” of “PICTURE MODE”, then
adjust the “COLOR” level.
• Display the “SETUP” menu and check the
color system (“COLOR SYS”) 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 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.
Possible cause
Symptom
Solutions
Page
10
10
15
29
22
25
15
Good picture
No sound
Dotted lines or
stripes
Double images or
“ghosts”
No color
Abnormal color
patches
TV cannot receive
stereo broadcast
signal.
(Except KV-XA25M50/
XA25M80)
 24 
KV
-XA25M61/XA25
M31/XA25M90/XA25M80/XA25M50
RM-954
KV
-XA25M87/XA25M84/XA25M86
RM-953
33
Additional Information
Possible cause
Symptom
Solutions
• 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.
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 no Teletext
display.
Teletext display is
incomplete (picture
snowy or double
images).
Picture slant
Lines moving across
the TV screen.
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.
Page
4
15
17
4
29
25
29
30
• 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 good sound is
heard.
––
• Check the antenna cable and connection
on the TV, VCR and on 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.
• Display the “SETUP” menu and adjust
“PIC ROTATION” so that the picture is
aligned to the TV screen.
• Use the fine tuning (“FINE”) function.
• Contact your nearest Sony service center.
(Except KV-XA25M50/
XA25M80)
(Except KV-XA25M50/XA25M80)
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