AOC A42W64AT4, User Manual

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15
Symptoms Checks
Picture freezes in antenna mode.
The TV does not react to remote
controller commands.
•
Please ensure the antenna is properly connected.
•
Please switch off the mains and switch on again.
•
Re-install the channels if needed.
Picture breaks up in DVI mode,
especially when a set top box is
connected.
•
The TV is trying to read the HDCP code sent by the set top
box.
•
Please switch off the set top box and switch on again.
The picture is jerky or is
corrupted (multiple small square
boxes seen) in ATSC mode.
•
The signal could be weak. Check the DTV signal via Menu
--> Setup --> DTV Signal.
Adjust the direction of your antenna to improve the
signal. Re-install the channels if needed.
Some channels are missing
/ are not found.
•
Press the channel number to check if the channel exists, if yes,
go to the Manual Channel Set Menu (Menu-->Setup-->
Manual ch set), and add the channel.
•
Go to the Setup Menu (Menu-->Setup) and install the
channels again, searching Air/Cable as appropriate.
No Picture, No Sound
•
Check the power cord and power outlet.
•
Check whether the TV power switch is on.
•
Verify the front panel LED is showing blue color.
•
Check connections for the selected input source.
•
Verify that external signal for the selected input is active.
•
Check Video/Audio settings.
•
The signal could be weak. Check the DTV signal via Menu
--> Setup --> DTV Signal
Adjust the direction of your antenna to improve the signal
Re-install the channels if needed.
Interference,Noisy
•
Check antenna connection, aerial location, and
direction.
•
Check and relocate nearby electrical appliances.
•
Check fluorescent lights.
•
Check cars/motorcycles.
Distorted picture,Noisy
•
Check antenna connection, aerial location, and direction
Re-scan Channels.
No Colour,Normal Sound
•
Check whether colour setting is at minimum.
•
Adjust video menu picture settings or reset to default.
Normal Colour,No Sound
•
Check audio input connections.
•
Check whether TV audio is in MUTE mode.
•
Adjust audio volume to audible level.
Troubleshooting