Read Sony KV-XF21M83 Service Manual online
– 20 –
KV
-XF21M83/XF21M93
-XF21M83/XF21M93
RM-952
28
Additional Information
Stereo broadcast sound
switches on and off or is
distorted.
or
The sound switches
between monaural and
stereo frequently.
(KV-XF21M93 only)
Picture slant
Lines moving across the
TV screen.
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.
• Press SELECT until “PIC ROTATION”
appears on the screen, then press + or –
to align the picture to the TV screen.
(page 12)
to align the picture to the TV screen.
(page 12)
• Use the fine tuning (FINE) function.
(page 11)
• Connection is loose or the
cable is damaged.
• The antenna direction is
inappropriate.
• Broadcast signal has a
transmission problem.
• The terrestrial magnetism
affects your TV set.
• There is interference from
external sources, e.g.,
heavy machineries, nearby
broadcast station.
heavy machineries, nearby
broadcast station.
29
Additional Information
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.
Possible cause
Symptom
Solutions
• Contact your nearest Sony service
center. (page 23)
—
—
• 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.
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.
does not indicate a
malfunction.
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