Troubleshooting - Sony KDL-26U2000 Service Manual

Troubleshooting

Check whether the 1 (standby) indicator is flashing in red.
When it is flashing
The self-diagnosis function is activated.
Measure how long the 1 (standby) indicator flashes and stops flashing.
1
For example, the indicator flashes for two seconds, stops flashing for one second, and flashes for two seconds.
Press 1 on the TV (top side) to switch it off, disconnect the mains lead, and inform your dealer or
2
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 • Check the aerial connection.
• Connect the TV to the mains, and press 1 on the TV (top side).
no sound
• If the 1 (standby) indicator lights up in red, press "/1.
No picture or no menu • Check that the optional equipment is on and press
information from equipment the correct input symbol is displayed on the screen.
connected to the scarts or • Check the connection between the optional equipment and the TV.
HDMI IN socket • 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 • Check if the aerial is broken or bent.
on the screen • 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 • Keep the TV away from electrical noise sources such as cars, motorcycles,
or stripes) 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.
Picture noise when viewing a
• Select "Manual Programme Preset" in the "Set-Up" menu and adjust "AFT"
TV channel
(Automatic Fine Tuning) to obtain better picture reception (page 26).
Some tiny black points and/or • The picture of a display unit is composed of pixels. Tiny black points and/or
bright points on the screen 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 20).
No colour or irregular colour • Check the connection of the Y, P
when viewing a signal from the • Make sure that the Y, P
Y, P /C , P /C jacks of 3 respective sockets.
B B R R
/ repeatedly until
/C , P /C jacks of 3.
B B R R
/C , P /C jacks of 3 are firmly seated in their
B B R R
Sound
Problem Cause/Remedy
• Press 2 +/– or % (Mute).
No sound, but good picture
• Check that "TV Speakers" is set to "On" in the "Sound Adjustment" menu
(page 22).
Noisy sound • See the "Picture noise" causes/remedies on page 34.
Channels
Problem Cause/Remedy
The desired channel cannot be • Switch between digital and analogue mode and select the desired digital/
selected analogue channel.
Some channels are blank • Scrambled/Subscription only channel. Subscribe to the Pay Per View
service.
• Channel is used only for data (no picture or sound).
• Contact the broadcaster for transmission details.
Digital channel is not displayed • Check that the aerial is plugged directly into the TV (not through other
equipment).
• Contact a local installer to find out if digital transmissions are provided in
your area.
• Upgrade to a higher gain aerial.
General
Problem Cause/Remedy
The TV turns off automatically • Check if the "Sleep Timer" is activated, or confirm the setting of "Off Time"
(the TV enters standby mode) (page 24).
• If no signal is received and no operation is performed in the TV mode for
10 minutes, the TV automatically switches to standby mode.
The TV turns on automatically • Check if the "On Time" is activated (page 24).
Some input sources cannot be • Select "AV Preset" in the "Set-up" menu and cancel "Skip" of the input
selected
source (page 25).
The remote does not function • Replace the batteries.