XV-Z21000 (serv.man11) - Sharp Projector User Guide / Operation Manual. Page 63

Appendix

-61

Troubleshooting

Problem

Check

Page

No picture and no sound 

or projector does not start

• Projector power cord is not plugged into the wall outlet.

25

• Power to the external connected devices is off.

–

• The selected input mode is wrong.

27

• Cables incorrectly connected to rear panel of the projector.

18-25

• Remote control batteries have run out.

11

• External output has not been set when connecting notebook 

computer.

–

• The cover of the lamp unit is not installed correctly.

49,50

• The selected “Signal Type” is wrong.

44

• The video signal format of the video equipment is not set

correctly.

43

• “Bright” is set to minimum position.

29,36

Color is faded or poor.

• Picture adjustments are incorrectly set.

36

(S-VIDEO or VIDEO input)

• Video input system is incorrectly set.
(COMPONENT, DVI or HDMI input)

• Input signal type is incorrectly set.

43

44

Picture is blurred;

noise appears.

• Adjust the focus.

27

• The projection distance exceeds the focus range.

16

(Computer input)

• Perform “Fine Sync” Adjustments (“Clock” Adjustment)

• Perform “Fine Sync” Adjustments (“Phase” Adjustment)

• Noise will appear depending on the computer.

41
41

–

• The “DNR” (Digital Noise Reduction) setting is not correct.

38

• There is fog on the lens. If the projector is carried from a cold 

room into a warm room, or if it is suddenly heated, condensation 
may form on the surface of the lens and the image will become 
blurred. Please set up the projector at least one hour before it is 
to be used. If condensation should form, remove the power cord 
from the wall outlet and wait for it to clear.

–

An unusual sound is

occasionally heard 

from the cabinet.

• If the picture is normal, the sound is due to cabinet shrinkage 

caused by a room temperature changes. This will not affect 
operation or performance.

–

Maintenance 

indicator on the 

projector illuminates.

• See “Maintenance Indicators/Maintenance”.

46

Power indicator and 

lamp indicator do not come 

on while projecting.

• “LED” is set to “Off”.

43

Picture is green when re-

ceiving component signals 

and the signal type setting 

is set to COMPONENT/

RGB 1 or 2.

• Change the input signal type setting.

44

Picture is pink when re-

ceiving RGB signals and 

the signal type setting is 

set to COMPONENT/RGB 

1 or 2.

XVZ21000_E_Ousyu_P52-67.indd   61

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2006/07/31   19:56:42

2006/07/31   19:56:42