NEC E437Q User Manual English - Page 59

Before Calling Service

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English Before Calling Service Please make these simple checks before calling service. These tips may save you time and money as charges for receiver installation and adjustments of customer controls are not covered under your warranty. Symptoms "Ghost " or double image when using the tuner No power No picture Good picture but no sound Items To Check And Actions To Follow • This may be caused by an obstruction to the antenna due to high rise buildings or hills. Using a highly directional antenna may improve the picture. • Check to see if the TV's AC power cord is plugged into the outlet. • Unplug the TV and after 60 seconds reinsert the plug into the outlet and power on the TV. • At the rear of the TV make sure the antenna connection is properly attached. • Check to see if there is a station broadcast problem by trying multiple channels. • Adjust the contrast and brightness settings. • Check the Closed Caption settings as some text modes may block the visibility of the images on the TV. • Change setting of HDMI Signal Option at OSD • Increase the volume. • Confirm that the TV is not muted by pressing the Mute button on the remote control. • Change setting of HDMI Signal Option at OSD Good sound but poor color • Adjust the contrast, color and brightness settings. Poor picture • Poor picture quality may occur when an activated S-VHS camera or camcorder is connected to your TV and another peripheral at the same time. Switch off one of the peripherals. • Change setting of MEMC at OSD (Only for E557Q / E657Q) Snowy picture and noise when using the tuner • Check the antenna connection and signal. • This may be caused by electrical interference (e.g. Presence of a horizontal hairdryer, nearby neon lights, etc.). dotted line • Power cycle the equipment by turning off and then turning back on. • Determine if the batteries are working and replace batteries if necessary. TV not responding via the remote control • Clean the remote control sensor lens on the TV. • If necessary, utilize the buttons located on the side of the TV. • Select the TV mode to ensure your remote control is set in the TV mode. RS-232C or LAN control • is not available Check RS-232C (reverse type) or the LAN cable. A category 5 or higher LAN cable is required for connection. Please use shielded cable. English-57

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English-57
English
Before Calling Service
Please make these simple checks before calling service. These tips
may save you time and money as charges for receiver installation and
adjustments of customer controls are not covered under your warranty.
Symptoms
Items To Check And Actions To Follow
“Ghost ” or double
image when using the
tuner
•
This may be caused by an obstruction to the antenna due
to high rise buildings or hills. Using a highly directional
antenna may improve the picture.
No power
•
Check to see if the TV’s AC power cord is plugged into the
outlet.
•
Unplug the TV and after 60 seconds reinsert the plug into
the outlet and power on the TV.
No picture
•
At the rear of the TV make sure the antenna connection is
properly attached.
•
Check to see if there is a station broadcast problem by
trying multiple channels.
•
Adjust the contrast and brightness settings.
•
Check the Closed Caption settings as some text modes
may block the visibility of the images on the TV.
•
Change setting of HDMI Signal Option at OSD
Good picture but no
sound
•
Increase the volume.
•
Confirm that the TV is not muted by pressing the
Mute
button on the remote control.
•
Change setting of HDMI Signal Option at OSD
Good sound but poor
color
•
Adjust the contrast, color and brightness settings.
Poor picture
•
Poor picture quality may occur when an activated S-VHS
camera or camcorder is connected to your TV and
another peripheral at the same time. Switch off one of the
peripherals.
•
Change setting of MEMC at OSD (Only for E557Q /
E657Q)
Snowy picture and noise
when using the tuner
•
Check the antenna connection and signal.
Presence of a horizontal
dotted line
•
This may be caused by electrical interference (e.g.
hairdryer, nearby neon lights, etc.).
•
Power cycle the equipment by turning off and then turning
back on.
TV not responding via
the remote control
•
Determine if the batteries are working and replace batteries
if necessary.
•
Clean the remote control sensor lens on the TV.
•
If necessary, utilize the buttons located on the side of the
TV.
•
Select the TV mode to ensure your remote control is set in
the TV mode.
RS-232C or LAN control
is not available
•
Check RS-232C (reverse type) or the LAN cable.
A category 5 or higher LAN cable is required for
connection. Please use shielded cable.