Before Calling Service - NEC E421 User Manual

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
double image
when using the
tuner
No power
No picture
Good picture but
no sound
Good sound but
poor color
Poor picture
Snowy picture
and noise when
using the tuner
Presence of a
horizontal dotted
line
Display not
responding
via the remote
control
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 display's AC power cord is plugged into
the outlet.
* Unplug the display and after 60 seconds reinsert the plug into
the outlet and power on the display.
* At the rear of the display 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 display.
*Increase the VOLUME.
button on the remote control.
*Adjust the contrast, color and brightness settings.
*Poor picture quality may occur when an activated S-VHS
camera or camcorder is connected to your display and another
peripheral at the same time. Switch off one of the peripherals.
*Check the antenna connection and signal
*This may be caused by electrical interference (e.g. hairdryer,
nearby neon lights, etc.)
*Turn off the equipment.
* Determine if the batteries are working and replace batteries
if necessary.
*Clean the remote control sensor lens on the display.
*If necessary, utilize the buttons located on the side of the
display.
*Select the TV mode to ensure your remote control is set in the
TV mode.
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