Troubleshooting - Sunstech TLXRI2280HD Manual De Instrucciones

Before contacting a service technician, perform the following simple checks. If any problem still
persists, unplug the LCD TV and call for serving.
Problem
No sound
Normal picture but no sound
Sound is too low
No picture or black and white
picture
"No signal" message
Sound and picture
interference
Blurred or snowy picture,
distorted sound
Remote control does not
work
The LCD TV does not turn on
The image is too light or too
dark
On PC mode, horizontal bars
appear to flicker, jitter or
shimmer on the image
On PC mode, vertical bars
appear to flicker, jitter or
shimmer on the image
On PC mode, image is not
stable and may appear to
vibrate
On PC mode, image is not
centred on the screen.

TROUBLESHOOTING

● Check that the main plug has been connected to a wall inlet.
● Check that you have pressed the
● Check the volume.
● Check the volume.
● Check whether then MUTE button has been pressed on the remote
control.
● Check the volume.
● If the volume is still too low after setting the volume level to
maximum, check the volume control on computer sound card or
software program, but also check the volume of the DVD.
● Adjust the color settings.
● Check that the broadcasting system selected is correct.
● Check the contrast and brightness of the image.
● Check the video source connected to the TV.
● Make sure that the signal cable is firmly connected to the PC or the
video sources.
● Make sure that the PC or video sources are switched on.
● Try to identify the electrical appliance that is affecting the set and
move it further away.
● Check the direction, location and connections of your aerial.
● The battery in the remote control may be exhausted.
● The battery may be improperly installed.
● Check that there is no obstruction between the remote control and
the remote (infrared) sensor.
● Ensure that there is no strong light shining on the remote control's
infrared sensor.
● Be sure the power cord is plugged in.
● Adjust the brightness and Contrast.
● Adjust the Phase.
● Adjust the Manual Clock .
● Check that the display resolution and frequency from your PC or
video board is a valid mode for your LCD TV.
Control Panelg Displayg
● If the setting is not correct, use your computer utility program to
change the display settings.
Your monitor supports multiscan display function within the follow-
ing frequency domain:
Horizontal frequency:30KHz~75KHz
Vertical frequency: 56Hz~60 Hz
Maximum refresh rate:1920X1080＠60Hz
● Adjust the horizontal and vertical position.
33
Possible Solution
button on the front of the TV.
Settings.