Bedienungsanleitung Sony KDL-20S4020 (Seite 31 von 33) (Englisch)

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Additional Information

Troubleshooting

Check whether the 1 (standby) indicator is flashing in red.

When it is flashing

The self-diagnosis function is activated.

1 Measure how long the 1 (standby) indicator flashes and stops flashing.

For example, the indicator flashes for two seconds, stops flashing for one second, and flashes for two seconds.

2 Press 1 on the TV (top side) to switch it off, disconnect the mains lead, and inform your dealer or

Sony service centre of how the indicator flashes (duration and interval).

When it is not flashing

1 Check the items in the tables below.

2 If the problem still persists, have your TV serviced by qualified service personnel.

Picture

Problem Cause/Remedy

No picture (screen is dark) and

no sound

• Check the aerial connection.

• Connect the TV to the mains, and press 1 on the TV (top side).

•If the 1 (standby) indicator lights up in red, press "/1.

No picture or no menu

information from equipment

connected to the scarts or

HDMI IN socket

• Check that the optional equipment is on and press / repeatedly until

the correct input symbol is displayed on the screen.

• Check the connection between the optional equipment and the TV.

• When connecting any equipment to the HDMI IN 6 socket or when

changing the resolution, some dots can appear blinking on the screen for a

few seconds. HDMI signal decoding is in progress and it does not indicate a

malfunction.

Double images or ghosting

• Check aerial/cable connections.

• Check the aerial location and direction.

Only snow and noise appear

on the screen

• Check if the aerial is broken or bent.

• Check if the aerial has reached the end of its serviceable life (three to five

years in normal use, one to two years at the seaside).

Distorted picture (dotted lines

or stripes)

• Keep the TV away from electrical noise sources such as cars, motorcycles,

hair-dryers or optical equipment.

• When installing optional equipment, leave some space between the optional

equipment and the TV.

• Check the aerial connection.

• Keep the aerial cable away from other connecting cables.

Picture noise when viewing a

TV channel

• Select “Manual Programme Preset” in the “Set-Up” menu and adjust “AFT”

(Automatic Fine Tuning) to obtain better picture reception (page 24).

Some tiny black points and/or

bright points on the screen

• The picture of a display unit is composed of pixels. Tiny black points and/or

bright points (pixels) on the screen do not indicate a malfunction.

No colour on programmes

• Select “Reset” in the “Picture Adjustment” menu to return to the factory

settings (page 18).

No colour or irregular colour

when viewing a signal from the

Y, P

B/CB, PR/CR jacks of 3

• Check the connection of the Y, PB/CB, PR/CR jacks of 3.

• Make sure that the Y, P

B/CB, PR/CR jacks of 3 are firmly seated in their

respective sockets.

010COV.book Page 31 Thursday, August 9, 2007 10:32 AM

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