Troubleshooting - Sony KDS-70R2000 Operating Instructions Manual

Troubleshooting

Check whether the 1 (on/standby) indicator is flashing in red.
When it is flashing
The self-diagnosis function is activated. (When the indicator flashes in two- or three-blink intervals, see page 55.)
1 Count how many 1 (on/standby) indicator flashes between each two second break.
For example, the indicator flashes three times, then there is a two second break, followed by another three flashes, etc.
2
Press 1 on the TV (front) to switch it off, disconnect the mains lead, and inform your dealer or Sony
service centre of how the indicator flashes (number of flashes).
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
No picture (screen is dark) and
no sound
No picture or no menu
information from equipment
connected to the scart
connector
Double images or ghosting
Only snow and noise appear
on the screen
Distorted picture (dotted lines
or stripes)
Picture noise when viewing a
TV channel
Some tiny black points and/or
bright points appear on the
screen
No colour on programmes
No colour or irregular colour
when viewing a signal from the
Y, P /C , P /C sockets
B B R R
or 7
Cause/Remedy
• Check the aerial connection.
• Connect the TV to the mains, and press 1 on the TV (front).
• If the 1 (on/standby) indicator lights up in red, press TV "/1.
• Check that the optional equipment is on and press
the correct input symbol is displayed on the screen.
• Check the connection between the optional equipment and the TV.
• Check aerial/cable connections.
• Check the aerial location and direction.
• 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).
• 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.
• Make sure that the aerial is connected using the supplied coaxial cable.
• Keep the aerial cable away from other connecting cables.
• Select "Manual Programme Preset" in the "Analogue Set-up" menu and
adjust "AFT" (Automatic Fine Tuning) to obtain better picture reception
(page 37).
• 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.
• Select "Reset" in the "Picture" menu to return to the factory settings
(page 25).
• Check the connection of the Y, P
• Make sure that the Y, P
4 their respective sockets.
/C , P /C sockets
B B R R
/C , P /C sockets 4 or 7 are firmly seated in
B B R R
/ repeatedly until
4 or 7.
Continued
53
GB