Haier L20AV6-A0 user manual Troubleshooting, Used as TV No picture, no sound

Troubleshooting

Before arranging for service, firstly know the status and then check simply as follows:

Used as TV

No picture, no sound	Verify if the television is properly plugged.
	Verify if the television is properly supplied power.
	Verify if electricity is available.
	Verify if correct signals are input.
Blank screen	Press TV/AV button to change signal input to TV input.
	Restart the television of power supply is interrupted.
	Press MUTE button and verify if mute mode is set.
No sound	Switch to other channel and verify if the same problem
	happens.
	Press VOL+ button to see if the problem can be solved.
Poor sound	Verify if sound system is correct. Refer to some chapter
	for adjust.
No picture in some	Verify if correct channel is selected.
	Adjust the antenna.
channel
	Make adjustments by Fine Tune and Manual Search.
No color for some channel	Verify if the same problem exists in other channels.
	Check out of picture and sound systems.
program (black and white)	Refer to relative instructions in the Manual for color
	adjust.
Spots with some or	Verify if the antenna is correctly connected.
	Verify if the antenna is in good condition.
all pictures	Make fine adjustment of channel.
	Disconnect the television from power supply and, 10
Television out of control	seconds later, connect the television to the power supply.
	If the problem still exists, contact authorized after-sales
	service for technical assistance.