NCW CO. LTD. NCW17T Manuale Utente

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There is no
picture or sound
(TV,Video,PC).

• Make sure the AC adapter is properly inserted in the

power outlet.

• Make sure the main power button of the main unit is on.
• Make sure the signal cable is free of connections.
• Make sure whether the power of an external input device 

is on.

• Make sure the input mode is set to proper mode.
• Fluorescent lamp may have reached the end of service life.

There is no
sound (TV,Video
PC).

• Make sure the volume is not set to minimum.
• Make sure the sound is not set to mute.
• Make sure the sound cable is free of connections.

There is no
picture or sound,
just noise(TV).

• Make sure the antenna cable is properly connected.
• Bad reception can be considered.

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Picture is not
clear (TV).

• Make sure the antenna cable is properly connected.
• Bad reception can be considered.

Picture is not
clear (PC).

• Operate the "Auto Adjustment".
• Adjust the Frequency and the Phase.

The picture is not
sharp (TV).

• The reception may be weak.
• The state of broadcast may also be bad.
• Make sure the outside antenna is not connected.

• Make sure the antenna is facing the right direction.
• There may be reflected electric waves from mountains

or buildings.

The picture is
doubled or tripled
(TV).

• Check this unit receiving interference from other devices.

Transmission antennas of radio broadcasting stations and
transmission antennas of amateur radios and cellular
phones may also cause interference.

• Use the unit as far apart as possible from devices that may 

cause possible interference.

There are stripes
on the screen or
color fade.

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