DOWNLOAD Sony KV-XA25M80 Service Manual ↓ Size: 10.34 MB | Pages: 106 in PDF or view online for FREE

Model
KV-XA25M80
Pages
106
Size
10.34 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xa25m80.pdf
Date

Sony KV-XA25M80 Service Manual ▷ View online

 21 
KV
-XA25M80/XA25M83/XA25N90
RM-954
RM-914
28
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”).
• 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 power cord,
antenna or VCR is not
connected.
• The TV is not turned
on.
Snowy picture
Noisy sound
Distorted picture
Noisy sound
Good picture
Noisy sound
No picture
No sound
Page
4
25
24
24
4
10
10
29
Additional Information
• 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.
• 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.
• 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.
Possible cause
Symptom
Solutions
Page
11
11
26
19
22
Good picture
No sound
Dotted lines or
stripes
Double images or
“ghosts”
No color
Abnormal color
patches
continued
 22 
KV
-XA25M80/XA25M83/XA25N90
RM-954
RM-914
30
Additional Information
Possible cause
Symptom
Solutions
22
26
27
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.
• 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.
• 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.
Page
Troubleshooting (continued)
31
Additional Information
Overview of controls
TV front panel
L (MONO)
R
3
PROGR
MENU
AUTO
PROGR
ENTER
SELECT
PROGR
MENU
AUTO
PROGR
ENTER
SELECT
L(MONO)
3
Page
Function
Button
continued
AUTO PROGR
!
PROGR +/–
1
2
 +/–
t
Menu operations
MENU
SELECT 
/
ENTER
i
Preset channels automatically.
5
Turn off completely or
10
turn on the TV.
Select program number.
10
Standby indicator
10
Adjust volume.
11
Select TV or video input.
11
Wake Up indicator
12
Display the menu.
17
Select and adjust items.
17
Confirm selected items.
17
Headphones jack.
 23 
KV
-XA25M80/XA25M83/XA25N90
RM-954
RM-914
32
Additional Information
Remote control
1
4
7
-/--
2
5
8
0
3
6
9
FAVORITE
SOUND
MODE
PIC MODE
ENTER
MENU
A/B
SURROUND
Button function
For general TV
operations
For Teletext
operations
Names/symbols of buttons
on the remote are indicated
in different colors to
represent the available
functions.
Label color
White
Green
Page
Button
Function
Overview of controls (continued)
?/1
PROGR +/–
0 – 9, -
2
 +/–
t
a
%
JUMP
Timer operations
PIC MODE
SOUND MODE
FAVORITE
SURROUND
Stereo/bilingual operations
(Not used for these models)
A/B
Teletext operations
(Not used for  these models)
0 – 9
PROGR +/–
x
 
(red, green,
yellow, blue)
Menu operations
MENU
+ or –
ENTER
Turn off temporarily or
turn on the TV.
10
Select program number.
10
Input numbers.
10
Adjust volume.
11
Select TV or video input.
11
Display the TV program.
11
Mute the sound.
11
Display on-screen information.
11
Jump to previous program
number.
11
Set TV to turn on automatically.
12
Set TV to turn off automatically.
12
Select picture mode.
13
Select sound mode.
13
Display favorite channels.
14
Select surround mode.
15
Select stereo/bilingual mode.
Display Teletext broadcast.
Enlarge the Teletext display.
Reveal concealed information.
Stop Teletext display from scrolling.
Display Teletext service contents.
Show TV screen while
waiting for Teletext page.
Input Teletext page number.
Display the next or previous page.
Access a Fastext menu
Display the menu.
17
Select and adjust item.
17
Confirm selected item.
17
– 24 –
KV
-XA25M80/XA25M83/XA25N90
RM-954
RM-914
SECTION 2-2
GENERAL
 (KV-XA25N90)
The operating instruction mentioned here are partial abstracts
from the Operating Instruction Manual. The page numbers of
the Operating Instruction Manual remain as in the manual.
2
WARNING
•  Dangerously high voltages are present inside the TV.
•  TV operating voltage: 110-240 V AC.
To prevent fire or shock hazard, do not expose
the TV to rain or moisture.
Do not operate the TV if any liquid or solid object
falls into it. Have it checked immediately by
qualified personnel only.
Do not open the cabinet and the rear cover of the
TV as high voltages and other hazards are
present inside the TV. Refer servicing and
disposal of the TV to qualified personnel.
Your TV is recommended for home use only.
Do not use the TV in any vehicle or where it may
be subject to excessive dust, heat, moisture or
vibrations.
Do not block the ventilation openings of the TV.
Do not install the TV in a confined space, such
as a bookcase or built-in cabinet.
For children’s safety, do not leave children
alone with the TV. Do not allow children to
climb onto it.
Do not plug in too many appliances to the same
power socket. Do not damage the power cord.
Clean the TV with a dry and soft cloth.
Do not use benzine, thinner, or any other chemicals
to clean the TV. Do not scratch the picture tube.
For your own safety, do not touch any part of the
TV, the power cord and the antenna cable during
lightning storms.
Pull the power cord out by the plug. Do not pull
the power cord itself. Disconnect the TV before
moving it or if you are not going to use it for
several days.
3
Do not install the TV in an unstable position.
Use a proper TV stand.
Do not place any objects on the TV.
WARNING (continued)
Page of 106
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