KV-28DX30U - Sony TV Service Manual (repair manual). Page 14

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34
Additional Information
Here are some simple solutions to problems which may affect the picture and sound.
If you continue to have these problems, have your TV serviced by qualified personnel or 
you can contact the Sony UK Digital HelpLine on 0870 600 1717.
NEVER open the casing yourself.
Troubleshooting
Problem
Cause
No picture, no sound.
Poor or no picture (screen is dark), but good sound.
No picture on any channel after digital tuning.
Some channels are blank.
Standby indicator flashing.
Good Picture, no sound.
No head phone output and no output from the audio 
sockets marked 
 on the rear of the TV.
Poor picture quality.
No colour on colour programmes.
Remote control does not function.
Distorted picture when changing programmes or 
selecting Teletext.
Power off.
TV in standby.
Aerial disconnected.
Picture preset level adjustment.
No digital transmissions in your area.
No digital transmissions from the transmitter you are currently using.
Weak signal.
Unsuitable aerial.
Scrambled/subscription-only channel.
Programme used only for data (no picture or sound).
Programme not being transmitted.
Digital mode Timer Record active (regular flash).
Fault (irregular flash).
Volume control.
The button marked 
 on the rear of the TV is pressed in.
The TV has been set up to receive Dolby Pro Logic.
Wrong external mode selected on an RGB video source.
Colour level setting.
Batteries low.
Inputs from external equipment not switched off.
Cause
Solution
Power off.
TV in standby.
Aerial disconnected.
Picture level adjustment.
No digital transmissions in your area.
No digital transmissions from the transmitter you 
are currently using.
Unsuitable aerial.
Weak signal.
Scrambled/subscription-only channel.
Programme information without picture or sound.
Fault.
Volume control.
Wrong external mode selected.
Colour level setting.
Plug in the TV.
Press the 
 button on the front of the TV.
If the 
 indicator is on press the 
 button or a numbered button on the 
remote control.
Check the aerial connection.
Select 
 on the TV menu system then adjust the brightness, picture and colour 
balance levels.
Tune in the analogue channels available using the ‘Manually tuning the TV’ 
instruction in this manual, then contact a local installer to find out when digital 
transmissions begin in your area.
Contact a local installer to find out which transmitter you should be pointing 
your aerial at.
Change your aerial to cover the channels used by digital programmes. (Contact 
a local installer)
Ensure aerial is correctly aligned to transmitter.
Ensure aerial is plugged directly into the TV (not through other equipment).
Upgrade to a higher gain aerial.
Subscribe to pay-per-view broadcaster.
See ‘Skipping programme positions’ section.
See ‘Re-arranging the TV channels’ section.
Do not open the cabinet, refer to qualified personnel.
Contact your nearest Sony Service Centre.
Press the 
 + button on the remote control.
If 
 is displayed on the screen, press the 
 button on the remote control.
Press the 
 button repeatedly until the RGB symbol 
 is displayed on 
screen.
Select 
 on the TV menu system then adjust the colour setting.
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33
Additional Information
Specifications
TV system
I/DVB-T
Colour system
PAL
NTSC 3.58, 4.43 (only Video in)
Channel coverage
UHF:B21-B69
Picture tube
KV-28DX30U
FD Trinitron WIDE
Approx. 71cm (28inches) (Approx. 66cm picture measured diagonally), 102° deflection
KV-32DX30U
FD Trinitron WIDE
Approx. 82cm (32 inches) (Approx. 76cm picture measured diagonally), 102° deflection
Rear Terminals
 
21-pin Euro connector (CENELEC standard) including audio/video
 
input, RGB input, TV audio/video output.
/
  21-pin Euro connector (CENELEC standard) including audio/video
 
input, S-video input, selectable audio/video output.
21-pin Euro connector (CENELEC standard) including audio/video
 
input, selectable audio/video output.
Audio outputs - phono jacks
MODEM
Modem connection
Front Terminals
 Video input -phono jack 
 Audio inputs - phono jacks
 S video input - 4 pin DIN
 Headphones jack - minijack stereo
Sound output
Left/Right: 
2x20W (music power)
Power consumption
KV-28DX30U: 136W
KV-32DX30U: 134W
Dimensions (wxhxd)
KV-28DX30U:  
Approx. 796x518x522mm
KV-32DX30U:  
Approx. 883x567x562mm
Weight
KV-28DX30U: Approx. 
44kg
KV-32DX30U: Approx. 
62kg
Accessories supplied
RM-888 remote control (1)
IEC designated size AA battery (2)
Other features
Teletext
Dolby ProLogic Surround System
Smartlink
Design and specifications are subject to change without notice.
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