Etec 40E750, Руководство пользователя

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40E750 - 36
Troubleshooting
Symptom Possible Solutions
Cannot receive certain
channels through the
antenna
• Perform Channel Scan to add channels into the TV tuner memor y.
See page 31.
• Readjust your antenna and retry Auto Channel Scan.
• Signal from the TV station may be weak in your area.
No color • Check the video installation of your external A / V equipment.
See pages 13-18 .
V ideo noise or choppy pictur e • Readjust antenn a . Keep TV away from noise sources, neon lights,
and microwave appliances.
TV blocked on certain channel s • Perform Channel Scan to add channels into the TV tuner memor y.
See page 31.
• Check whether the channel was deleted. See page 30.
• Check parental control settings. See page 28, 29.
• Restore default settings. See page 24.
Cannot use certain function s • If the item chosen in a menu is shown in gray text, that item cannot be
selected in the current input.
No sound • Check that connected audio cables are completely inserted.
See page 22.
• Mute function may be enabled, press mute on the remote.
Black box on screen • The “T ext” option is enabled and no text is available.
• Press the CCD button on the remote control to turn off.
No power • Batteries in the remote control may need replacing.
• Re-attach AC plug to wall outlet.
No picture • Digital TV channel signal maybe weak, try another channel.
• Press INPU T button to verify the desired input selected.
• Re-connect the antenna or cable wiring.
• Restore default settings. See page 24.
Remote control does not functio n • Replace batteries with new ones.
• Check that battery polarity is correct.
• Point remote directly at the TV’ s IR receive r . See page 8.
• Verify you have selected the correct audio source from your amplifier.