Toshiba 3 LCD Data TLP680U - Manual (Page 43)

CONTENTS 43
Others
Before calling service
personnel
Check the following points before asking for
support service.
Refer also to “Trouble indications”. 40
The power does not come on.
• The power cord is disconnected.
→
Firmly plug in the power cord. 19
• The lamp cover is not attached correctly.
→
Attach the cover correctly. 42
The power turns off while using the
projector.
• The ambient temperature of the
projection room is too high.
→
Lower the ambient temperature of the
projection room, and turn the power
on.
No image appears.
• The lens cover is on.
→
Take off the lens cover. 19
• The wrong input is selected.
→
Select the input source correctly. 21
• The muting mode is on.
→
Press MUTE to restore the picture. 23
(Continued)
• The “Brightness” adjustment is at its
darkest.
→
Make the “Brightness” adjustment. 32
• The source is not correctly connected to
the projector.
→
Connect the source correctly to the
projector.
16
No sounds are heard.
• The wrong input is selected.
→
Select the input source correctly. 21
• The audio muting mode is on.
→
Press MUTE to restore the sound. 23
• The sound volume is at the minimum.
→
Adjust the sound volume on the
menu.
33
• The source is not correctly connected to
the projector.
→
Connect the source correctly to the
projector.
16
The images are blurred. Focusing is
uneven.
• The lens is dirty.
→
Clean the lens.
Use a lens cleaner to clean the lens. 41
• The picture is out of focus.
→
Focus the picture. 21
• The projection distance is not
appropriate.
→
Adjust the distance properly. 19
• The projecting light is not hitting the
screen squarely.
→
Adjust the projecting direction so that
the light hits the screen squarely.
19
• The “Brightness”, “Contrast”, “Sharpness”
or “Phase” adjustments are not correct.
→
Make the “Image” or “Picture”
adjustments.
31 32
The pictures are dim.
• The “Brightness” or “Contrast”
adjustments are not correct.
→
Make the “Picture” adjustments. 32
• The lamp life is ending.
→
Replace the lamp. 42
The colors are faint. The colors are strange.
• The “Color”, “Tint”, “R-Level”, “G-Level” or
“B-Level” adjustments are not correct.
→
Make the “Picture” adjustments. 32
• The lamp life is ending.
→
Replace the lamp. 42