Sony TRINITRON KV-AR25M81A Service Manual page 87

Bg3r chassis
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Symptom
Possible cause
• The channel carries no
"100" appears on
the top of the
Teletext broadcast.
screen and there is
no Teletext display.
• Connection is loose or
Teletext display is
the cable is damaged.
incomplete
(snowy picture or
• The antenna direction
double images).
is inappropriate.
• Signal transmission is
too low.
• The magnetic
Picture slant
disturbance from
external speakers or
other equipment, or
the direction of the
earth's magnetic field
may affect the TV.
Lines moving across
• There is interference
the TV screen.
from external sources,
e.g., heavy machineries,
nearby broadcast
station.
• Your TV may need
1
The
indicator on
service.
your TV flashes red
several times
between three
seconds intervals.
• Changes in room
TV cabinet creaks.
temperature
sometimes make the
TV cabinet expand or
contract, making a
noise. This does not
indicate a malfunction.
• The TV's demagnetizing
A "boom" sound is
function is working.
heard when the TV
This does not indicate a
is turned on.
malfunction.
Solutions
• Check the antenna cable and connection
on the TV, VCR, and at 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.
• Press SELECT until "PIC ROTATION"
appears on the screen, then press + or –
to adjust the picture until it is optimal.
• Use the fine tuning (FINE) function.
• Contact your nearest Sony service center.
Additional Information
Page
20
4
11
13
11
22
25

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