DOWNLOAD Sony KV-PF21P40 Service Manual ↓ Size: 3.81 MB | Pages: 68 in PDF or view online for FREE

Model
KV-PF21P40
Pages
68
Size
3.81 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-pf21p40.pdf
Date

Sony KV-PF21P40 Service Manual ▷ View online

– 25 –
KV
-PF21P40/TF21M60/TF21P50
RM-952
16
Advanced Operations
Blocking the
channels
(CHILD LOCK)
You can prevent a child from watching
certain programs by using the buttons
on the remote control.
1
Select the TV program you want to lock.
2
Press SELECT until “CHILD
LOCK” appears on the
screen.
3
Press + or – to select
“ON”.
The 
 symbol appears on
the screen.
To unlock the channel,
press + or – to select
“OFF”. The 
 symbol
disappears from the screen.
Note
• If you preset a locked channel, that particular channel will be unlocked
automatically.
SELECT
+ or –
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
CHILD LOCK: OFF
SELECT
CHILD LOCK: ON
1
15
Advanced Operations
Adjusting the picture and sound settings
1
Press SELECT until the
desired setting appears.
Each time you press
SELECT, the setting
item will change as follows:
2
Press + or – to adjust the
item.
3
To adjust other items, repeat steps 1 to 2.
* “HUE” can be adjusted for the NTSC system only.
Notes
• When you select a picture or sound mode, the adjusted settings will be
reset according to the selected mode.
• You can also use SELECT and 
¸
 +/– on the TV to adjust the picture and
sound settings.
Selecting the surround mode
1
Press SELECT repeatedly
until “SURROUND”
appears.
2
Press + or – to select the
desired surround sound.
Select
To
MOVIE
listen to sound that spreads out over a large area, giving the feeling
of being at a movie theatre.
MUSIC
listen to the sound that gives the feeling of being at a live concert.
OFF
turn off the surround sound.
Advanced Operations
SELECT
PICTURE
60
PICTURE
COLOR
BRIGHT
HUE*
BALANCE
TREBLE
BASS
SHARP
SURROUND: MOVIE
SELECT
MUSIC
MOVIE
OFF
– 26 –
KV
-PF21P40/TF21M60/TF21P50
RM-952
17
Advanced Operations
Blocking the
channels
(CHILD LOCK)
You can prevent a child from watching
certain channels by using the buttons on
the remote control.
1
Select the channel you want to lock.
2
Press SELECT until “CHILD
LOCK” appears on the
screen.
3
Press + or – to select
“ON”.
The 
 symbol appears on
the screen.
To unlock the channel,
press + or – to select
“OFF”. The 
 symbol
disappears from the screen.
Note
• If you preset a locked channel, that particular channel will be unlocked
automatically.
SELECT
+ or –
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
CHILD LOCK: OFF
SELECT
CHILD LOCK: ON
1
continued
18
Advanced Operations
When receiving an A2 (German) program
If the sound is distorted or noisy when receiving a monaural
program through the 
˘ (antenna) terminal
Press A/B 
 repeatedly until “MONO” appears on the screen.
To cancel the monaural sound setting, press A/B 
 again until
“AUTO” appears on the screen.
Notes
• The “MONO” or “AUTO” setting is memorized for each program
position.
• You cannot receive stereo broadcast signal when the TV is in the “MONO”
setting. Normally set the TV to “AUTO.”
Viewing a bilingual program (KV-TF21P50 only)
Press A/B 
 repeatedly
until you receive the
sound you want.
Note
• When viewing a non-bilingual program, select the main sound.
Otherwise, you may hear some noise or abnormal sound.
Broadcasting
On-screen display (Selected sound)
A2 (German) stereo
A2 (German) bilingual
Enjoying stereo or bilingual programs (continued)
STEREO
MONO
(Stereo sound)
(Regular sound)
MAIN
SUB
(Main sound)
(Sub sound)
MONO
AUTO
MAIN
SUB
(Main sound)
(Sub sound)
A/B
– 27 –
KV
-PF21P40/TF21M60/TF21P50
RM-952
19
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
Additional Information
u
 indicator
20
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 10), 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 10)
• If the sound of some channels are noisy,
select the channel, then press A/B 
 
to
select the main sound. (page 12)
• 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 select sound is
inappropriate.
• The power cord, antenna
or VCR is not connected.
• The TV is not turned on.
– 28 –
KV
-PF21P40/TF21M60/TF21P50
RM-952
21
Additional Information
Possible cause
Symptom
Solutions
continued
Good picture
No sound
Dotted lines or stripes
Double images or
“ghosts”
N
o
 color
Abnormal color patches
TV cannot receive stereo
broadcast signal
(KV-TF21M60)
• 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 9).
• 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.
22
Additional Information
Stereo broadcast sound
switches on and off or is
distorted.
or
The sound switches
between monaural and
stereo frequently.
(KV-TF21M60)
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.
Troubleshooting (continued)
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.
(page 17)
• Use the fine tuning (FINE) function.
(page 10)
• Contact your nearest Sony service
center. (page 19)
• Connection is loose or the
cable is damaged.
• The antenna direction is
inappropriate.
• Broadcast signal has a
transmission problem.
• 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.
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