Sharp LC-43LB481U User Guide LC 32 43 50LB481U - Page 79

Symptom, Possible cause, TV brightness, Picture mode

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LC-32LB481U / LC-43LB481U / LC-50LB481U 32" / 43" / 50" Full HD LED 1080p Sharp Roku TV Symptom Possible cause Try this... Broadcast TV may be experiencing problems or may not be set up • Try another channel. The station may be experiencing problems. • If you are using an antenna and the signal strength is low, adjust the antenna or use a highly directional outdoor antenna or set-top antenna with a built-in amplifier. Dark, poor, or no picture (screen is lit), but sound is good Cables may not be connected correctly • Make sure that the antenna or cable TV is connected correctly and securely. See Connecting a cable or satellite box on page 17 or Connecting an antenna or cable TV (no box) on page 20. • Make sure that the video cables are connected correctly and securely to your TV. • The video cable(s) you are using may be bad. Try a new set. Picture settings may be incorrect • Adjust the brightness. See the TV brightness option in Settings menu on page 51 or Options menu on page 51. • Change to a different picture mode. See the Picture mode option in Options menu settings on page 52 or Advanced picture settings menu options on page 54. Picture settings may be incorrect • Adjust the contrast, color, and brightness settings. See the TV brightness option in Settings menu on page 51 or Options menu on page 51. Broadcast TV may be experiencing problems No color, dark picture, or color is not correct Cables are not be connected correctly • Try another channel. The station may be experiencing problems. • If you are using an antenna and the signal strength is low, adjust the antenna or use a highly directional outdoor antenna or set-top antenna with a built-in amplifier. • Make sure that the antenna or cable TV is connected correctly and securely. See Connecting a cable or satellite box on page 17 or Connecting an antenna or cable TV (no box) on page 20. • Make sure that the video cables are connected correctly and securely to your TV. • The video cable(s) you are using may be bad. Try a new set. Broadcast TV may be experiencing problems or may not be set up Only snow (noise) appears on the screen Cables may not be connected correctly • Try another channel. The station may be experiencing problems. • If you are trying to watch broadcast TV, make sure that Antenna TV is set up. See Setting up Antenna TV on page 43. • If you are using an antenna and the signal strength is low, adjust the antenna or use a highly directional outdoor antenna or set-top antenna with a built-in amplifier. • Make sure that the antenna or cable TV is connected correctly and securely. See Connecting a cable or satellite box on page 17 or Connecting an antenna or cable TV (no box) on page 20. Picture quality is Broadcast signal may be good on some weak channels and poor on others. Sound is good • If you connect to cable without a set-top box and experience poor picture quality, you may need to install a set-top box to improve signal reception and picture quality. Contact your cable TV provider about upgrading to a set-top box. 74

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74
LC-32LB481U / LC-43LB481U / LC-50LB481U
32" / 43" / 50" Full HD LED 1080p Sharp Roku TV
Dark, poor, or
no picture
(screen is lit),
but sound is
good
Broadcast TV may be
experiencing problems
or may not be set up
•
Try another channel. The station may be experiencing
problems.
•
If you are using an antenna and the signal strength is low,
adjust the antenna or use a highly directional outdoor antenna
or set-top antenna with a built-in amplifier.
Cables may not be
connected correctly
•
Make sure that the antenna or cable TV is connected correctly
and securely. See
Connecting a cable or satellite box
on
page
17
or
Connecting an antenna or cable TV (no box)
on
page
20
.
•
Make sure that the video cables are connected correctly and
securely to your TV.
•
The video cable(s) you are using may be bad. Try a new set.
Picture settings may be
incorrect
•
Adjust the brightness. See the
TV brightness
option in
Settings menu
on page
51
or
Options menu
on page
51
.
•
Change to a different picture mode. See the
Picture mode
option in
Options menu settings
on page
52
or
Advanced
picture settings menu options
on page
54
.
No color, dark
picture, or color
is not correct
Picture settings may be
incorrect
•
Adjust the contrast, color, and brightness settings. See the
TV
brightness
option in
Settings menu
on page
51
or
Options
menu
on page
51
.
Broadcast TV may be
experiencing problems
•
Try another channel. The station may be experiencing
problems.
•
If you are using an antenna and the signal strength is low,
adjust the antenna or use a highly directional outdoor antenna
or set-top antenna with a built-in amplifier.
Cables are not be
connected correctly
•
Make sure that the antenna or cable TV is connected correctly
and securely. See
Connecting a cable or satellite box
on
page
17
or
Connecting an antenna or cable TV (no box)
on
page
20
.
•
Make sure that the video cables are connected correctly and
securely to your TV.
•
The video cable(s) you are using may be bad. Try a new set.
Only snow
(noise) appears
on the screen
Broadcast TV may be
experiencing problems
or may not be set up
•
Try another channel. The station may be experiencing
problems.
•
If you are trying to watch broadcast TV, make sure that
Antenna TV is set up. See
Setting up Antenna TV
on page
43
.
•
If you are using an antenna and the signal strength is low,
adjust the antenna or use a highly directional outdoor antenna
or set-top antenna with a built-in amplifier.
Cables may not be
connected correctly
•
Make sure that the antenna or cable TV is connected correctly
and securely. See
Connecting a cable or satellite box
on
page
17
or
Connecting an antenna or cable TV (no box)
on
page
20
.
Picture quality is
good on some
channels and
poor on others.
Sound is good
Broadcast signal may be
weak
•
If you connect to cable without a set-top box and experience
poor picture quality, you may need to install a set-top box to
improve signal reception and picture quality. Contact your
cable TV provider about upgrading to a set-top box.
Symptom
Possible cause
Try this...