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Chapter 4 - Maintenance and Troubleshooting
4.1 - Maintenance
Important
1. Make sure that the power cable is removed from the socket before cleaning the
display.
2. Do not use volatile solvent (such as toluene, rosin and alcohol) to clean the display.
Such chemicals may damage the housing, screen glass and remote control, and
cause the paint to peel.
Cleaning the Housing and the Remote Control
1. Use a soft cotton cloth for cleaning.
2. If the housing or remote control is seriously contaminated, use a soft cloth moistened
with diluted neutral cleaner to clean the display. Wring water out of the cloth before
cleaning to prevent water from penetrating into the housing. Wipe the display with a
dry cloth after cleaning.
Cleaning the Screen
1. Use a soft cotton cloth to gently clean the screen.
2. The screen glass is very fragile. Do not scrape it with any sharp object. Do not press
or tap the screen to avoid cracking. When the screen is seriously contaminated, use
a soft cloth moistened with diluted neutral cleaner to clean the display. Wring water
out of the cloth before cleaning to prevent water from penetrating into the housing.
Wipe the display with a dry cloth after cleaning.
4.2 - Troubleshooting Guide
If the display fails or the performance changes dramatically, check the display in accordance with
the following instructions. Remember to check the peripherals to pinpoint the source of the
failure. If the display still fails to perform as expected, contact the dealer for assistance.
Problem
There is not any power.
Power is ON, but there is not
any screen image.
The image on the screen has
incorrect or abnormal colors.
Version - 2/21/2005
Solution
Make sure the DC power button is ON (green LED).
Make sure the AC power cord is securely connected to the
AC socket.
Plug another electrical device to the power outlet to verify that
the outlet is working properly.
Make sure the video cable supplied with the LCD display is
tightly secured to the video output port on the back of the
DVD player or VCR. If the other end of the video cable is not
attached permanently to the LCD display, tightly secure it to
the LCD display.
Adjust brightness and contrast.
Check Source settings.
If any colors (red, green, or blue) are missing, check the
video cable (YPbPr) to make sure it is securely connected.
Loose or broken pins in the cable connector could cause an
improper connection.
Connect the LCD display to another DVD Player or VCR.
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