Sony Bravia KDL-26U25xx: Troubleshooting Picture Problem Cause/Remedy
Troubleshooting Picture Problem Cause/Remedy: Sony Bravia KDL-26U25xx
Table of contents
- Trademark information Introduction Disposal of the TV set Notice for Digital TV function
- Table of Contents
- 1: Checking the 2: Connecting an aerial/ accessories VCR
- 3: Bundling the cables 4: Preventing the TV from toppling over 5: Selecting the language and country/region
- 6: Auto-tuning the TV
- Safety information Installation/Set-up Mains lead
- Precautions Prohibited Usage Broken pieces: When not in use For children If the following problems occur...
- Overview of the remote
- Overview of the TV buttons and indicators Watching TV
- Additional operations To access Text Picture Freeze PIP in PC Mode (Picture in Picture)
- Checking the Digital Electronic Programme Guide (EPG) To Do this
- Using the Favourite list To Do this
- Navigating through menus
- Picture Adjustment menu
- Sound Adjustment menu
- Features menu
- Timer Set-up menu
- Sound Offset Manual Programme Preset
- Digital Set-up menu
- Connecting optional equipment Connecting to the TV (side)
- Connecting to the TV (rear)
- Viewing pictures from connected equipment
- Specifications
- Troubleshooting Picture Problem Cause/Remedy
- Sound Channels General
010COV.book Page 25 Tuesday, June 26, 2007 12:18 PM
PC Input Signal Reference Chart
Horizontal
Vertical
Signals Horizontal (Pixel) Vertical (Line)
Standard
frequency (kHz)
frequency (Hz)
VGA 640 480 31.5 60 VGA
SVGA 800 600 37.9 60 VESA Guidelines
XGA 1024 768 48.4 60 VESA Guidelines
WXGA 1280 768 47.4 60 VESA
1280 768 47.8 60 VESA
• This TV’s PC input does not support Sync on Green or Composite Sync.
• This TV’s PC input does not support interlaced signals.
• This TV’s PC input supports signals in the above chart with a 60 Hz vertical frequency. For other signals, you will see the
message “NO SYNC”.
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
Additional Information
No picture (screen is dark) and
• Check the aerial connection.
no sound
• 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
• Check that the optional equipment is on and press / repeatedly until
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, 7 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.
• Check the aerial connection.
• Keep the aerial cable away from other connecting cables.
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