Mitsubishi Electronics HC6800 user manual Troubleshooting continued, Problem, Solution, Others

Page 42
Images are not displayed correctly. (continued)

Troubleshooting (continued)

Images are not displayed correctly. (continued)

Problem

Solution

 

 

Different color tint.

• When comparing images projected by two projectors, tints in the displayed images

 

may be different because of variation between their optical components. This is not a

 

malfunction.

 

• When comparing the image projected by this projector with those displayed on the

 

television or PC monitor, tints in the displayed images may be different because of

 

difference in the range of color reproducibility. This is not a malfunction.

 

 

Only the motion areas

• This is caused by the computer being used. Contact the manufacturer of your

in the images supplied

computer.

from the computer

 

aren’t displayed.

 

 

 

Projected images are

• Match the output resolution of your computer with the resolution of the projector.

obscured.

For the method to change the output resolution of the computer, contact the

 

manufacturer of your computer. (See page 45.)

 

 

Image remains

• When image from VCR is projected, it may remain freezing during speed search. This

freezing.

is not a malfunction.

 

 

Noise appears around

• In some images such as DVD, noise may appear around the recorded image. In this

the image.

case, decrease the setting value of OVER SCAN of the SIGNAL menu. (See page 29.)

Others

 

 

 

Problem

Solution

 

 

The exhaust vents

• This air comes out after cooling the inside of the projector. You may feel hot, but this

emit warm air.

is not a malfunction.

 

 

The menu can’t be

• The microcomputers inside the projector may be wrongly operating because of noise.

used.

Turn off the main power, wait about 10 minutes, and turn on the main power again.

 

 

“TEMPERATURE!!” is

• This indication appears when the ambient temperature rises high. When the ambient

displayed.

temperature stays high, the lamp goes out.

 

Eliminate any causes of the rise in the ambient temperature.

 

• This indication appears when the air inlet or outlet grille is blocked. When they are

 

kept blocked, the lamp goes out.

 

Remove the objects blocking the air inlet or outlet grille. Clean the filter, if clogged.

 

(See page 39.)

 

 

The mark appears.

• This mark appears when ineffective operation is carried out. This isn’t a product

 

malfunction.

The remote control

• Check that the batteries are loaded in the remote control or the batteries are not

doesn’t function easily

weak. (See page 6.)

or at all.

• Check that the remote control sensor isn’t exposed to direct sunlight or fluorescent

 

light. (See page 9.)

 

• Use the remote control within its operation range. (See page 9.)

 

• Use the remote control at least 10 cm away from the projector.

The buttons on the

• PASSWORD FUNCTION in the FEATURE menu has been set to MENU ACCESS to

control panel (except

enable the password lock.

for the POWER

Cancel the password lock or contact the person in charge of management of the

button) don’t function.

projector. (See page 35.)

 

 

Mechanical operating

• The iris produces sound while operating. This is not a malfunction.

noise (clicking sound)

 

is heard.

 

If the following problem occurs after the lamp is replaced, check the following first.

Problem

Solution

 

 

The projector does not

• Fit the lamp cover securely. (See pages 36 and 37.)

turn on.

•

Reset the lamp operating time. (See page 37.)

The STATUS indicator

•

Reset the lamp operating time. (See page 37.)

blinks.

 

 

EN-42

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Contents HC6800 MODELHC6800 LCD PROJECTORTHE PROJECTOR IS IN THE POWER ON MODE SHOCK, DO NOT REMOVE COVER OR BACK NO USER-SERVICEABLE PARTS INSIDEREFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION TO REDUCE THE RISK OF ELECTRICContents Trademark, Registered trademarkImportant safeguards EN-4Do not look into the lens when it is operating Important safeguards continuedDo not keep using the damaged projector Do not unplug the power cord during operationChecking accessories Inserting the batteries into the remote controlPreparing your projector Overview Indicator areaPreparing your projector continued Attaching the lens capBottom side Remote controlUsing the picture quality adjusting buttons Adjustment feetReception angle Using the remote controlOperational range of the remote control Front of projectorWhen the aspect ratio of the screen is Setting up your projectorSetting up the screen Screen size and projection distanceScreen size and projection distance continued Setting up your projector continuedWhen the aspect ratio of the screen is 2.351 CinemaScope When the aspect ratio of the image isWhen projected images are distorted to a trapezoid Adjusting the position of the projected imageWhen fine streaks are seen on projected images Correcting skewed or distorted imageFront projection, ceiling mounting TRIGGER terminalRear projection Basic home theater system connection A. Connecting the projector to video equipmentViewing video images PreparationViewing video images continued Connecting to a video player, etcConnecting to a DVD player or HDTV decoder When a TV tuner or VCR is connectedConnecting to video equipment having a HDMI terminal EN-16Connection for video equipment having an HDMI terminal B. Plugging in the power cord EN-17C. Projecting images EN-18To stop projecting EN-19Setting the aspect ratio EN-20How to change the settings With the remote controlWith the FEATURE menu See page 26 for menu setting Viewing computer images A. Connecting the projector to a computerB. Plugging the power cord About DDCViewing computer images continued AUTO POSITION button When connecting to a notebook computerSetting of the resolution Example of the setting procedure for external outputMenu operation EN-25Menu operation continued How to set the menusAvailable settings in the menus 1. IMAGE menu2. INSTALLATION menu EN-273. FEATURE menu EN-284. SIGNAL menu EN-295. USER menu To enable the stored image quality settings AV memoryTo store the settings 6. INFORMATION menuTo adjust the color COLOR and TINT Adjusting projected imagesTo adjust the brightness CONTRAST and BRIGHTNESS To sharpen or soften the projected image SHARPNESSTo adjust the tone of white To customize the color temperature Adjusting projected images continuedTo adjust the tone of white COLOR TEMP About color temperatureTo enable the stored gamma mode To adjust the ratio of change in brightness GAMMA MODENoise reduction TRNR temporal recursive noise reductionSimple method to adjust the image position How to adjust the image supplied from the computer using the menuLPF Progressive filter To adjust the horizontal positionTo enable the password function Advanced featuresPassword function To cancel the password functionInterval of lamp replacement Replacing the lampReplacing the lamp continued To replace the lampReset of the lamp operation time When removing the lamp from the ceiling-mounted projector EN-38EN-39 Cleaning of the projector and the ventilation slotsCleaning of the lens For the air-filter whiteSolution TroubleshootingProblem EN-40Troubleshooting continued No image appears on the screen. continuedImages are not displayed correctly Images are not displayed correctly. continued OthersIndicators Normal conditionAbnormal condition Specifications Dimension drawings unit mmSpecifications continued Specification of RGB signals in each computer mode of the projectorEN-45 Connectors Replacement part option/not included in the boxEN-46 MITSUBISHI ELECTRIC CORPORATION 1 Zusho Baba, Nagaokakyo-City, Kyoto Japan
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