Chapter 9. Trouble Shooting; Simple Check - Haier LE40D3281 Service Manual

Msd3391ds chassis
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Chapter 9. Trouble shooting

9-1. Simple check

No picture/ No sound
Blank screen
No sound
Poor sound
No picture on some channel
No color for some channel
program (black and white)
Spots with some or all pictures
Television is not working
Television out of control
35
Service Manual
Model No.: LE40D3281
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
Press SOURCE button to change signal input to TV
input
Restart the television of power supply is interrupted
Press the MUTE button and verify that Mute mode is
active.
Switch to another channel to check whether the same
problem occurs.
Press the VOL+ button to see if the problem can be
solved.
Verify that the sound system is correct. Refer to the
user manual for instructions on how to adjust it.
Verify if correct channel is selected.
Adjust the antenna.
Make adjustments by Fine Tune and MANUAL Scan.
Verify that the same problem exists on other channels.
Check the picture and sound systems.
Refer to the relevant instructions in the manual to
adjust the colour.
Verify if the antennal is correctly connected.
Verify if the antennal is in good condition.
Make fine adjustment of channel.
Disconnect the television from the power supply for
10 seconds, then reconnect the television. If the
problem persists, contact an authorised after-sales
service provider for technical assistance.
Disconnect the television from power supply and 10
seconds later, connect the television to the power
supply. If the problem still exists, contact authorized
after-sales service for technical assistance.

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