vividtouch VTS-8510, Руководство по установке и эксплуатации, Страница: 50 / 71

50
5. Maintenance and Troubleshooting
Maintenance
The VIVIDtouch Series LED Displays does not require any routine maintenance other than occasional cleaning with a
non-abrasive cloth. There are no user-serviceable or replaceable parts. Unless you are a qualified, factory-trained
technician, do not attempt to repair or replace any system component yourself. You will void the product warranty if you
do so.
Troubleshooting
Table 5-1 provides some general guidelines for troubleshooting problems you may encounter with the VIVIDtouch
Series LED Display. If the suggested solutions fail to resolve the problem or if you encounter an issue not described
here, please contact your dealer.
Table 5-1. Troubleshooting Chart
Symptom Possible Cause(s) Solution
The display does not turn on.

The display is not plugged in or the
AC outlet is not active.

The main power switch is off.

The remote control batteries have
run out.

Ensure that the display is
plugged in and that the AC
outlet is active.

Set the main power switch (see
Figure 2-1) to the on position.

Replace the batteries.
The display is on and menus
appear, but there is no picture.

Incorrect source selection.

Source component is not turned on.

Source component is connected
incorrectly or not at all.

Select the correct source.

Turn on the source component.

Check connections from the source
component to the display.
The remote control does not
work.

The remote control batteries have
run out.

The buttons are locked.

IR extender is not connected.

Replace the batteries.

Unlock the buttons by pressing
ENTER, ENTER, EXIT, EXIT,
ENTER and EXIT
, in sequence.

Verify that the IR extender cable is
correctly connected (see Figure 3-
4).
Image geometry is incorrect.

Incorrect aspect ratio selection.

Select a different aspect ratio.
The display is jittery or unstable.

Poor-quality or improperly connected
source.

The horizontal or vertical scan
frequency of the input signal may be
out of range for the display.

Ensure that the source is properly
connected and of adequate quality
for detection.

Correct at the source.
Image is too bright and / or lacks
definition in the bright areas of
the im age.

Contrast is set too high.

Decrease the contrast setting.