Mitsubishi Electronics XD20A user manual Troubleshooting

Page 31

O t h e r s

T r o u b l e s h o o t i n g

Please check the following before requesting repairs.

Symptom

Procedure

Reference page

 

 

 

 

The power will not turn on.

•

Is the power plug connected to the power outlet?

14

 

•

Is the lamp cover correctly installed?

33

 

•

Is the internal temperature too high? A protective feature prevents the

32

 

 

power turning on when the internal temperature is too high.

 

 

•

Has the lamp usage time exceeded 1100 hours? The power will not turn

25, 32, 33

 

 

on when 1100 hours have elapsed.

 

 

•

Any high-tension noise to the power line with extremely high pulse can

 

 

 

stop the projector. If it happens, unplug the power cord from the outlet

 

 

 

once and then plug it again.

 

 

 

 

 

No image

•

Has the connected input been selected?

16, 18

 

•

Is the cable correctly connected to the input jack?

10, 11, 12

 

•

Are the brightness and contrast set to minimum?

22

 

•

Is the sliding lens cap closed?

14

 

• Is the lamp blown?

33

 

•

Has the lamp usage time exceeded 1100 hours?

25, 32, 33

 

• If a notebook type computer is being used, was the computer power turned

12, 13

 

 

on after the projector was connected? Is the computer set to disable out-

 

 

 

put to the external RGB jack?

 

 

 

In many cases, when a notebook type computer is connected to the pro-

 

 

 

jector, a signal will not be output to the RGB OUT jack unless the com-

 

 

 

puter power is turned on.

 

 

• Does the STATUS indicator blink?

32

 

 

 

 

Distorted images

•

Is installation correct?

14

 

•

Was the Keystone adjustment performed correctly?

18, 28

 

 

 

 

Blurred images

•

Is the lens properly focused?

15

 

•

Are the screen and projector positioned at the correct angle?

14

 

•

Does the projection distance place the screen outside the focus range?

9

 

•

Is there condensation, dirt, etc., on the lens?

—

 

 

Condensation on the internal optical system is possible when the projec-

 

 

 

tor has been stored in a cool place and then is used in a warm place. In

 

 

 

such cases, wait several minutes for the condensation to evaporate.

 

 

 

 

 

Images are offset vertically or

•

Correctly adjust the horizontal and vertical position of the screen.

24

horizontally and are not

•

Is the clock frequency correctly adjusted?

24

correctly displayed

•

Are the resolution and frequency correct for the input signal? Check the

23

 

 

resolution of the personal computer.

 

 

 

 

 

The remote control does not

•

Does the send indicator (LED) light? If it does not light, the batteries are

5, 8

work

 

exhausted. In such cases, replace with fresh batteries.

 

 

•

Is there any obstacle between the remote control and the photoreceptor

5

 

 

of the main unit?

 

 

•

Is the remote control being used outside its effective range?

5

 

• Is there a fluorescent light or other strong light source close to the photo-

—

 

 

receptor?

 

 

 

 

The wireless mouse does not

• Is the MOUSE jack of the main unit and the personal computer correctly

17

work

 

connected?

 

 

• Was the personal computer started after being connected to the MOUSE

17

 

 

jack of the main unit?

 

 

 

 

 

The STATUS indicator blinks

•

Check the STATUS indicator list.

32

 

 

 

 

Flickering text or offset colors

•

Manually adjust the clock frequency and phase.

24

with RGB input

• Press the AUTO button.

 

 

 

 

 

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Contents Data Projector Power Supply PrecautionsImportant Safeguards InstallationB l e o f c o n t e n t s RGB cable Audio cable 3.3 ft Power cable mains lead 1.8 m/5.9 ftA t u r e s E c k i n g t h e P p l i e d a c c e s s o r i e sQuick Start Guide Remote control effective rangeE p a r i n g t h e M o t e c o n t r o l Inserting the batteriesTop, front and side panel view R t s a n d c o n t r o l sBottom Built-in Security Slot Audio jack 10, 11, 12 RGB/YCbCr connector 11Mouse connector Rear and side panel viewAuto button Freeze button Enter button 17 Infrared transmitterMute button Screen size InstallationInstallation Guidelines normal installation Screen heightConnection to the S-VIDEO jack of the unit N n e c t i n g v i d e o e q u i p m e n tConnection to the Video jack of the unit Rear panel jacks of this deviceConnection to the RGB/YCbCr connector N n e c t i n g a P C o r M a c i n t o s h Macintosh Changing the computer’s video resolutionsWindows 98/Windows WindowsTurn on the connected source computer, VCR, DVD player, etc Connect the power cordAdjust the position and height of the unit I n g t h e u n i tCase of RGB input, adjust the video of the connected PC I n g t h e u n i t N t i n u e d After using the unitUSB Port Connection Remote control mouse functionsIBM PS/2 Mouse Port Connection Freezing animated images Automatic Screen AdjustmentAdjusting the Volume Keystone AdjustmentPress the desired portion of the cursor key To move to the desired portion of the enlarged pictureEnlarging the picture Screen ReductionCommon menu N u S t r u c t u r eNormal menu RGB input Advanced menu To close the menu Press the cursor / keys to adjust the sharpnessJ u s t i n g t h e p i c t u r e e l e m e n t s To select other menu namesTiming Chart Adjusting the position of the image Adjusting Clock Frequency and PhaseIf no images appear during setting S e t t i n g t h e L a m p H o u r s o f U s a g e ResettingResetting the time the hours of lamp usage S e t t i n gSelecting the Color System Setting the Cinema ModeAdjusting Color Balance T t i n g N a r r o w I m a g e s a d v a n c e d M e n uSetting the Display Frame Setting the RGB/YCbCr connectorSetting Filter Selecting the Background Setting the partial display positionI t i a l S e t t i n g s Audio MutingUsing the Power Saving Function Auto Source SettingsSelecting a Projection Type T t i n g t h e M e n u Troubleshooting Status Light Messages Status indicatorStep Lamp cartridge replacement procedureP l a c i n g t h e l a m p R t r i d g eElectrical Specification sSub Pin Assignments Optical177 Dimensions230 mm/9.0″ Mm/7.0″
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