No picture/ No sound
Verify if the television is properly plugged
Verify if the television is properly supplied power
Verify if electricity is available.
Blank screen
Verify if correct signals are input
Press SOURCE button to change signal input to TV
input
Restart the television of power supply is interrupted
No sound
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.
Poor sound
Verify that the sound system is correct. Refer to the
user manual for instructions on how to adjust it.
No picture on some channel
Verify if correct channel is selected.
Adjust the antenna.
Make adjustments by Fine Tune and MANUAL Scan.
No color for some channel
program (black and white)
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.
Spots with some or all pictures
Verify if the antennal is correctly connected.
Verify if the antennal is in good condition.
Make fine adjustment of channel.
Television is not working
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.
Television out of control
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.
Service Manual
Model No.: 40D3505
Chapter 9. Trouble shooting
9-1. Simple check
35
Содержание 40D3505
Страница 10: ...Service Manual Model No 40D3505 2 2 External pictures four faces Front Side Up Side 9 ...
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Страница 17: ...Service Manual Model No 40D3505 4 3 LCD Panel 40D3505 Backlight Unit LVDS CONNECTOR CNF1 16 ...
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Страница 24: ...Service Manual Model No 40D3505 Chapter 7 Electrical Parts 7 1 Circuit Diagram ...
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Страница 31: ...Service Manual Model No 40D3505 7 2 Wiring Connection Diagram 30 ...
Страница 37: ...Service Manual Model No 40D3505 9 2 Mainboard IC Introduction Top view 36 1 2 3 4 5 6 7 8 ...
Страница 38: ...Service Manual Model No 40D3505 Bottom view 37 ...