TROUBLESHOOTING

Before calling an authorized service center, please check this troubleshooting chart. Many of the problems that can occur are easily corrected without the need of a technician.

TROUBLE

CONDITION

POSSIBLE CAUSE

CORRECTIVE MEASURE

 

 

 

Image is not displayed.

Is the power cord connected?

Connect the power cord.

 

 

Is the power switch ON?

Turn on the power switch.

 

 

Is the signal cable properly

Connect the signal cable

 

 

connected?

correctly.

 

 

Is the Brightness or Contrast

Adjust the Brightness and

 

 

adjustment knob turned all the way

Contrast to the middle position

 

 

to one side?

of their range.

 

 

 

Color of image on screen is

Is there a magnetized item near?

Move the magnetized item away.

abnormal.

 

Is the pin arrangement of the signal

Use a signal connector which

 

 

 

 

connector correct?

matches the pin arrangement.

 

 

Is the signal cable connected

Connect the signal cable

 

 

properly?

correctly.

 

 

 

Picture is unstable.

Are there signals, which are outside

Input signals which are within

(The displayed image is tearing

of the required frequency range?

the frequency range of the monitor.

or rolling)

 

Is the pin arrangement of the signal

Use the signal connector which

 

 

connector correct?

matches the pin arrangement.

 

 

Is the signal cable correctly

Connect the signal cable

 

 

connected?

correctly.

 

 

 

The displayed image is too

Are there signals, which are outside

Input signals which are within

small or shifted, and the

of the required frequency range?

the frequency range of the

controls can’t

adjust properly.

 

monitor.

 

 

 

 

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