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AV-32/28R57SK / LCT1793-001A-U / ENGLISH
Troubleshooting
If a problem arises while you are using the TV, please read this troubleshooting guide carefully
before you ask to have the TV repaired. You may be able to fix it easily by yourself. For example,
if the mains plug is disconnected from the mains outlet, or the TV aerial has problems, you may
think there is a problem with the TV itself.
Important:
• This troubleshooting guide only covers problems whose causes are not easy to decide. If you
have a question when you are operating a function, read the page(s) for that function carefully,
not this troubleshooting guide.
• If you follow the advice in this troubleshooting guide without any success, unplug the mains
plug and ask for your TV to be repaired. Do not attempt to repair the TV by yourself or to
remove the rear cover of the TV.
• If the power lamp flashes, there is a problem with the TV.
Unplug the mains plug and ask for your TV to be repaired.
If you cannot turn on the TV
• Is the mains plug connected to the mains
outlet?
No picture or no sound
• Have you chosen a TV channel with very
poor reception? If so, the BLUE BACK
function will be activated: the entire
screen becomes blue, and the sound is
muted. If you still want to view the TV
channel, follow the description “BLUE
BACK” on page 28 to change the BLUE
BACK function setting to OFF.
• If the SYSTEM setting for a TV channel
is incorrect, it may prevent the sound
from being issued. Follow the description
“EDIT/MANUAL” on page 30 to use the
MANUAL function to try to change the
SYSTEM setting.
Poor picture
• If noise (snow) totally blocks out the
picture, there may be a problem with the
aerial or aerial cable. Check the following
to try to solve the problem:
–Have the TV and aerial been connected
properly?
–Has the aerial cable been damaged?
–Is the aerial pointing in the right
direction?
–Is the aerial itself faulty?
• If the TV or aerial suffers interference
from other equipment, stripes or noise
may appear in the picture. Move any
equipment such as an amplifier, personal
computer, or a hair drier, that can cause
interference away from your TV. Or try
moving the TV. If the aerial suffers
interference from a radio tower or high-
voltage wire, please contact your local
dealer.
• If the TV suffers interference from signals
reflecting from mountains or buildings,
double-pictures (ghosting) will occur. Try
to change the aerial’s direction or replace
it with one with better directionality.
• Are your COLOUR SYSTEM settings
correct? Follow the description
“COLOUR SYSTEM” on page 25 to try
to solve the trouble.
• Have the COLOUR and BRIGHT settings
been adjusted properly? Follow the
description “BRIGHT” and “COLOUR”
on page 24 to try to adjust them properly.
• Videotaping teletext is not recommended
because it may not record correctly.
• When a white and bright still image (such
as a white dress) is displayed on the
screen, the white part may look as if it is
coloured. This is unavoidable due to the
nature of the picture tube itself, and not
due to a TV failure. When the picture
disappears from the screen, the unnatural
colours will also disappear.
AV-32&28R57SK_Eng.book Page 42 Wednesday, March 30, 2005 2:58 PM