OSD Menu Operation
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Troubleshooting and Advice
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Troubleshooting and Advice
Before calling a service center, Try the following steps to diagnose the problem.
TV unit
Antenna
The panel uses a panel consisting of sub pixels which require sophisticated technology to produce. However,
there may be few bright or dark pixels on the screen. These pixels will have no impact on the performance of
the TV.
Supported PC Input Signal
Your unit can use as PC monitor, it supports below RGB-PC, HDMI mode INPUT.
Suggested Action
• Reduce the contrast setting.
• The AV video signal has not been terminated properly somewhere in the external AV
equipment.
Ensure the power plug is securely inserted into the unit and wall outlet.
• Try a different input source to check whether the source is at fault.
• Check for mis-connection of cables or for wrong input source.
Check whether all the picture adjustments have been properly performed.
Try selecting a different aspect ratio by pressing the ASPECT button on
the remote control.
Ensure the display aspect ratio is correctly set to suit the program source.
Reduce the brightness level till the black areas of the picture appear as black.
There are spots on
the screen.
Remote control
does not function
properly.
There is no picture
or sound, just noise.
Picture is not clear.
No sound.
Problem
• Make sure the antenna cable is properly connected.
Change channels to confirm if the symptom is still present.
• If PC (VGA) is selected as the input signal source, use the Auto Sync
Function in the Set Up Menu (In VGA Mode) to let the display adjust
picture automatically.
Your unit is being affected by interference from automobiles, trains, high-voltage
transmission lines, neon signs or another sources of interference. Try redirecting or
relocating your antenna to reduce the affects of the interference.
• Make sure the antenna cable is properly connected.
• Change channels to confirm if the symptom is still present.
• Check whether you have selected the Mute function.
• Make sure the volume is not set to minimum.
• Check the AV cables for disconnection.
Degraded colors
or tints.
There is no power.
There is no picture
or sound.
Improper screen
position or size.
The image appears
distorted.
The image appears
too bright, and there
is a loss of definition
in the brightest
areas of the image.
The image appears
too washed out, or
the darkest areas of
the image appear
too bright.
• Check for incorrect battery orientation.
• Check for dead batteries.
• Checek your distance and angle from the display.
• Check whether remote control is plinting at sensor window.
• Check for any obstacle between the remote control and the remote
control sensor window.
• Check that the remote control sensor window is not under strong
fluorescent lighting.
• Check for any devices (PC or personal digital assistant, PDA)nearby that
transmit infrared signal which may cause interference to signal
transmission between the remote control and the unit. Turn off the infrared
function of these devices.
RGB-PC, HDMI mode INPUT SPEC
INPUT
FORMAT
VGA / HDMI 1/2 Input
Resolution
640x480
640x480
640x480
720x400
800x600
800x600
800x600
832x624
1024x768
1024x768
1152x870
1280x800
1280x960
1360x768
1366X768
1280x1024
Horizontal frequency
(KHz)
Vertical frequency
(HZ)
Standard
31.5
37.861
37.5
31.5
37.9
48.077
46.9
49.7
48.4
60
68.68
47.8
60.0
47.7
47.712
63.595
60
72.809
75
70
60
72.19
75
75
60
75
75
59.8
60
60
59.79
60
VGA
VESA
VESA
VGA-T
VESA Guidelines
VESA
VESA
Mac
VESA Guidelines
VESA
Mac
VESA
VESA
VESA
VESA
Problem
The picture is spotted.
The picture is not sharp or
the picture moves contains
image movement.
The picture is doubled or
tripled.
There are stripes on the
screen or colors fade.
Suggested Action
• The reception may be weak.
• Change channels to confirm if the symptom is still present.
• Make sure the outside antenna is not disconnected.
• Make sure the antenna is facing the right direction.
• Make sure the antenna is facing the right direction.
• Picture ghosting is caused by reflections from buildings, large metal structures and
mountains. Carefully realign your antenna to minimize the ghost images. Ultimately
a higher quality antenna professionally installed may be necessary to reduce the
ghosting.
• There may be interference from automobiles, trains, high voltage lines, neon
lights, etc.
• There may be interference between the antenna cable and power cable, try
positioning them further apart.
• Is the television receiving interference from other devices? Transmission
antennas of radio broadcasting stations and transmission antennas of amateur
radios and cellular phones may also cause interference.
• Use the television as far away as possible from devices that may cause possible
interference.