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Troubleshooting, Eng lish – BenQ DV2050 User Manual

Page 39

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Troubleshooting

31

Eng
lish

Troubleshooting

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

TV

Symptoms

Possible Causes

Power does not turn ON

Ensure the power plug is securely inserted into the receptacle

and wall socket.

There is no picture or sound

• Ensure the television power is ON (Indicated by the green

LED on the front of the unit)

• Try a different input source to check whether the source is at

fault.

• Check for mis-connection of cables or for wrong input

source.

There are spots on the screen

Your TV 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.

Degraded colours or tints

• Check whether all the picture adjustments have been

properly performed.

• Press the "PICTURE" button on the remote control to select

a different picture set-up.

Improper screen position or size Try selecting a different aspect ration by pressing the

"ASPECT" button on the remote control.

The image appears distorted

Ensure the television's aspect ratio is correctly set to suit the

program source.

The image appears too bright,

and there is a loss of definition

in the brightest areas of the

image.

• Reduce the contrast setting.
• The DVD player is set for a high-level output.
• The AV video signal has not been terminated properly

somewhere in the external AV equipment.

The image appears too 'washed

out', or the darkest areas of the

image appear too bright.

• Reduce the brightness level till the black areas of the picture

appear as black.

• The DVD player may be set at too high a brightness level.

"Out of range" appears

• Check whether the input signal is acceptable to the display.

Remote control does not

function properly

• Check for incorrect battery orientation.
• Check for dead batteries
• Check your distance and angle from the television.
• Check whether remote control is properly being pointed at

the television's 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.

There is no picture or sound,

just noise.

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

Picture is not clear.

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