Troubleshooting

Troubleshooting

The following table shows conventional problems and the corresponding solutions. Inform yourself first of all using this table before you contact our hotline or service department.

If the information provided for troubleshooting does not bring about success, switch OFF the unit via the mains switch and pull the mains plug out of the plug outlet.

Do not attempt to repair the unit yourself and under no circumstances should you remove the rear cover from the set.

DEFECT

POSSIBLE CAUSE

POSSIBLE REMEDY

No picture and no sound,

D Mains switch in position “0” (OFF).

D Shift mains switch to position “I”.

although the mains plug is

D Mains plug of unit is not inserted into the

D Insert the mains cable plug into the plug

inserted and the unit is

plug receptacle.

receptacle.

switched on.

D Defective mains cable .

D Call the service hotline.

 

 

 

 

Screen dark.

D Contrast setting too low.

D Set the brightness and/or contrast correctly

 

 

(see menu option <Picture>).

 

D No input signal, wrong input selected.

D Check the connection cable; assign correct

 

 

input to source.

Weak or excessive

D

Colour not correctly set.

colours.

 

 

 

D

Connection cable not correctly

 

 

connected.

DSet the colour under the menu option <Picture>.

DConnect the cable correctly.

The picture is cut off or the

D

Picture position not correctly set.

D Correct the picture position.

picture is not centred.

 

 

 

Use the auto setup function.

 

 

 

 

The picture is too large or

D

Picture format set wrongly.

D Repeatedly press the button [FORMAT],

too small.

 

 

 

until the picture is displayed as a full screen.

 

 

 

 

The remote control is not

D

The batteries are flat.

D Insert the new batteries.

working.

D

There is an obstruction between the

D Remove the obstruction between the remote

 

 

remote control and the sensor.

 

control and the sensor.

 

D The remote control is located

D Operate the remote control within the speci-

 

 

outside of its operating range.

 

fied range.

The displayed picture is

D

The picture quality is not set correctly.

D Correct the picture brightness and contrast

too dark.

 

 

 

under the menu option <Picture>.

 

 

 

 

 

The picture is displayed,

D

The sound is switched to mute.

D

Press the button on the remote control.

but there is no sound.

D

Set volume to minimum.

D

Increase the volume.

 

 

 

 

 

Individual letters are not

 

 

D Set the phase position under the menu option

displayed (PC mode).

 

 

 

<Setup ⇒ PC ⇒ Phase>.

 

 

 

D Check the setting for the picture width.

 

 

 

D Perform <Setup ⇒ PC ⇒ Auto Setup>.

 

 

 

 

Horizontal stripes with TV

D

Signal source is set up before the

D Always place the signal sources on the side

or video signals.

 

display.

 

of or behind the display.

 

D Screening of the video cable is insuffi-

D Use only a high-grade signal cable with a

 

 

cient.

 

high screening attenuation.

To reset all settings to their original status, use the menu option

<Setup ⇒ OSD ⇒ Reset to factory defaults>!

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ENGLISH

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Fujitsu PQ50-1, PQ42-1, VQ40-1 manual Troubleshooting, Defect Possible Cause Possible Remedy, Connected
Page 65 Page 67

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