KV-1499M70 - Sony TV Service Manual (repair manual). Page 16

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Additional Information

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 indicator

17

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 8)

• 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 some channels are noisy,

select the channel, then select the
appropriate TV system (TV SYS).

• 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 is

inappropriate.

• The power cord, antenna

or VCR is not connected.

• The TV is not turned on.