AOC A42W64AT4 - Manual (Page 17)

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