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Troubleshooting, Supported pc input signal – SONIQ QSP320T User Manual

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There is no power

Troubleshooting

-39-

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There is no picture or sound

There are spots on the screen

Degraded colors or tints

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.

Remote control does not
function properly

There is no picture or sound,
just noise

Picture is not clear

No sound

Before calling a service center, attempt the following steps to diagnose the problem.

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.
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.

Check whether all the picture adjustments have been properly
performed.

Check whether you have selected the Mute function.
Make sure the volume is not set to minimum.
Check the AV cables for disconnection.

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.

Make sure the antenna cable is properly connected.
Change channels to conrirm if the symptom is still present.

Try selecting a different aspect ratio by pressing the ASPECT button
on the remote control.

Ensure the display s aspect ratio is correctly set to suit the program
source.
Reduce the contrast setting.
The AV video signal has not been terminated properly somewhere
in the external AV equipment.

Reduce the brightness level till the black areas of the picture
appear as black.

Check for incorrect battery orientation.
Check for dead batteries.
Check your distance and angle from the display.
Check whether remote control 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.

TV unit

Suggested Action

Problem

Antenna

Supported PC Input Signal

This VGA signal format is converted to match the number of Pixels of PDP Panel, the unit may
not display small text properly.
If you connect this unit to your PC, the compressed image is displayed in other VGA mode.
Therefore the picture quality may deteriorate and characters may not be read.

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.

Your unit can use as PC monitor, it supports below PC input timing.

VGA

VESA

@

(Recommend)

640x480

60Hz

VESA

@

(Recommend)

640x480

72Hz

VESA

@

(Recommend)

640x480

75Hz

VESA

@

(Compressed)

800x600

60Hz

VESA

@

(Compressed)

800x600

72Hz

VESA

@

(Compressed)

800x600

75Hz

VESA

(Compressed)

1024x768@60Hz

The picture is not sharp or the
picture moves contains image
movement.

The picture is doubled or
tripled.

The picture is spotted.

There are stripes on the
screen or colors fade.

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 fight 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.

Problem

Suggested Action

VESA

(Compressed)

1024x768@75Hz

Supported PC Input Signal

SVGA

XGA