DOWNLOAD Sony KV-HF21M50 Service Manual ↓ Size: 2.42 MB | Pages: 63 in PDF or view online for FREE

– 17 –

18

Additional Information

ONE-PUSH  AUTOMATIC  PROGRAMING

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.

Check that the u indicator flashes red a number of times between 3-second
intervals.

Count the number of times the u indicator flashes.

Press U (main power) to turn off your TV.

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.

u

– 18 –

18

Additional Information

For better viewing, please check the following connections.

• Snowy

• Distorted

• Noisy/

picture

picture

distorted
sound

Incorrect antenna direction may cause:

Wrong type of antenna
may cause:

• No picture

• Snowy picture

Loose connection may
cause:

• Snowy picture

• Distorted sound

Too strong signal level
may cause:

• Distorted picture

• Noisy sound

19

Additional Information

Loose connection may
cause:

• Snowy picture

• Distorted sound

• No picture

For more information, please see
“Troubleshooting” on page 20, 21 and
22 or consult your dealer for
guidance.

Loose connection may cause:

• no power

• no picture with no sound

• Double image

picture

– 19 –

19

Additional Information

If you find any problem while viewing your TV, please check the following guide. If
any problem persists, contact your Sony dealer .

• 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.

20

Additional Information

• Press ¸ + 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.

(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.

• 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

inapproprite.

• Use of a booster is

inappropriate.

• The color level setting is

too low.

• The color system setting is

inappropriate.

• The antenna direction is

inapproriate.

• The magnetic disturbance

from external speakers or
other equipment, or the
direction of the earth’s
magnetic field may affect
the TV.

– 20 –

21

Additional Information

• Use the fine tuning (FINE) function.

(page 10)

• Contact your nearest Sony service

center.

—

—

• 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.

u

22

Additional Information

Refer to the pages indicated in parentheses ( ) for details.

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 (10)
7

2

 (headphone) jack

ONE-PUSH  AUTOMATIC  PROGRAMING

ONE-PUSH  AUTOMATIC  PROGRAMMING

2