background image

40

WHAT TO DO WHEN YOU THINK A MACHINE DEFECT HAS OCCURRED (continued)

Phenomena That May Easily Be Mistaken for Machine Defects

Before requesting repair, check in accordance with the following chart.
If the situation cannot be corrected, then contact your dealer.

Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and
such do not constitute or imply a machine defect. 

NOTE

Phenomenon

Cases not involving a machine defect

Items to be confirmed

Reference

Page(s)

Power does not
come ON

The main power source is not ON.

Turn on the main power.

3, 15

The electrical power cord is not plugged in.

Correctly connect the power cord.

The main power source has been
interrupted during operation, such as by
a power outage (blackout), etc.

Be sure to press the “

O

” (power OFF) side

of the main power switch, and leave this OFF
for approximately 20 minutes. After the unit
has sufficiently cooled down, turn ON the
power source.

15

No sound or
pictures are
outputted

The input changeover settings
are mismatched.

Select the input signal, and
correct the settings.

16

No signal is being inputted.

Correctly connect the connection cord.

8-12

Pictures are
displayed, but no
sounds are heard

The electrical wiring to this unit
is not correctly connected.

Correctly connect the connection cord.

8-12

The volume setting has been set at (or
adjusted to) an extremely low level.

Adjust the VOLUME setting to a higher level.

18

The MUTE mode is the current setting.

Press the MUTE button to release
(change) the MUTE mode setting.

18

Sounds are
heard, but no
pictures are
displayed

The electrical wiring to this unit
is not correctly connected.

Correctly connect the connection cord.

8-12

The brightness setting has been set at
(or adjusted to) an extremely low level.

Adjust the BRIGHT setting to a
brighter level.

26

The lens cap has not been removed.

Remove the lens cap.

15

Colors have a faded-
out appearance
Color tone is poor

Color depth setting or color tone setting

Perform picture adjustments by changing the
COLOR BAL R, the COLOR BAL B, and/or the
TINT settings, etc.

27

Pictures appear
dark

The brightness setting and/or contrast
setting has not been properly adjusted.

Perform picture adjustments by changing the
BRIGHT and/or CONTRAST settings, etc.

26

The WHISPER mode is the current
setting.

Change (by releasing) from the
WHISPER mode.

31

Lamp is approaching the end of its
product lifetime.

Exchange the old lamp with a new
lamp.

33, 34

Pictures appear
blurry

Either the FOCUS setting or the H
PHASE is not properly adjusted.

Adjust the FOCUS and H PHASE settings.

16, 27

Input signal changes
with no-operation.

INPUT dial is set between the click
points.

Turn the INPUT dial and set it at the
click point.

16

Summary of Contents for Multimedia Projector MP8790

Page 1: ...do not make any claim of copyright The copyright remains the property of their respective owners ABOUT PROJECTOR COM Projector com http www projector com is your review and buying guide resource for...

Page 2: ...w n l o a d e d f r o m P r o j e c t o r c o MP8790 Multimedia Projector Operator s Guide...

Page 3: ...ICATIONS 41 CONTENTS Thank you for purchasing this projector The information in this manual is subject to change without notice The manufacturer assumes no responsibility for any errors that may appea...

Page 4: ...nals as well as NTSC PAL SECAM video signals onto a screen Little space is required for installation and large images can easily be realized Keep the original packing material for future reshipment NO...

Page 5: ...ord s specified voltage range Only use the power cord that came with the projector NEVER ATTEMPT TO DEFEAT THE GROUND CONNECTION OF THE THREE PRONGED PLUG Make sure that you firmly connect the power c...

Page 6: ...icator 6 Lens Remote sensor 6 Lens cap Elevator feet Remote sensor S VIDEO IN port VIDEO IN port DVI port RGB port BNC port AUDIO IN R L port AUDIO IN 1 2 port 15 AUDIO OUT port REMOTE CONTROL port 14...

Page 7: ...ton 19 AUTO button 20 PinP button 24 VOLUME button 18 MUTE button 18 FREEZE button 22 ONE TOUCH button 23 STANDBY ON VIDEO UP DOWN BLANK ASPECT PUSH LASER INDICATOR LASER RGB FOCUS ENTER ON OFF ESC ME...

Page 8: ...adjust the projection angle of the main unit The adjustment range of the elevator feet is 0 to 9 degrees CAUTION Install the projector in a suitable environment according to instructions of the Produc...

Page 9: ...48 122 90 2 3 108 2 7 162 4 1 0 0 54 137 100 2 5 120 3 0 181 4 6 0 0 60 152 120 3 0 144 3 7 217 5 5 0 0 72 183 150 3 8 181 4 6 272 6 9 0 0 90 229 200 5 0 243 6 2 364 9 2 0 0 120 305 250 6 3 304 7 7 4...

Page 10: ...rojector Refer to the Technical for the pin assignment of connectors and RS 232C communication data Make sure that you connect devices to the correct port Incorrect connection may result in malfunctio...

Page 11: ...NOTE Function Projector Port Connection Cables Analog RGB input RGB RGB cable With D sub 15 pin shrink jack and inch thread screws BNC R CR PR G Y B CB PB H V When BNC RGB is selected BNC cable Analo...

Page 12: ...ill not be possible with this projector For some RGB input modes the optional Mac adapter is necessary NOTE AUDIO cable Stereo mini B A VIDEO IN R AUDIO IN L S VIDEO IN RGB BNC AUDIO IN USB AUDIOOUT R...

Page 13: ...T R CR PR G Y B Ca Pa H V Y 1 2 DVI RGB OUT CONTROL CR PR Ca Pa COMPONENT VIIDEO REMOTE CONTROL B A A A A A AUDIO cable Stereo mini AUDIO OUT BNC OUT DVI cable A B VIDEO IN R AUDIO IN L S VIDEO IN RGB...

Page 14: ...USB AUDIOOUT R CR PR G Y B Ca Pa H V Y 1 2 DVI RGB OUT CONTROL CR PR Ca Pa COMPONENT VIIDEO REMOTE CONTROL A A A B B B C If using a component video connection If using an audio video connection COMPO...

Page 15: ...rds to the batteries Always handle the batteries with care and use them only as directed Improper use may result in battery cracking or leakage which could result in fire injury and or pollution of th...

Page 16: ...o physical impact Do not get the remote control wet or place it on wet objects Doing so may result in malfunction Do not place the remote control near the projector s lens fan or vents Remove the batt...

Page 17: ...green once the projector s power is completely on 4 Remove the lens cap The picture is projected 3 STANDBY ON VIDEO UP DOWN BLANK LASER INDICATOR LASER RGB FOCUS ZOOM PAGE TURNING ON THE POWER Precau...

Page 18: ...wish to project Using the remote control Turn the INPUT dial Turning the dial cycles through the inputs as shown below Select the terminal to which the signal you want to project is input Using the pr...

Page 19: ...on again while the Power off message is visible The projector lamp goes off and starts cooling down While cooling the STANDBY ON indicator flashes orange When in this state pressing the STANDBY ON but...

Page 20: ...ust the volume Press the VOLUME button again to close the dialog and complete this operation Even if you don t do anything the dialog will automatically disappear after a few seconds Press this to inc...

Page 21: ...Press the POSITION button again to close the dialog and complete this operation Even if you don t do anything the dialog will automatically disappear after a few seconds This function is only availab...

Page 22: ...ure that the application window is set to its maximum size prior to attempting to use this feature Dark pictures may still be incorrectly adjusted Use a bright screen when adjusting The signal type be...

Page 23: ...ppear on the screen to aid you in correcting the distortion 2 Use the buttons to select the direction of distortion to correct 3 Use the lever switch to correct distortion Press the KEYSTONE button ag...

Page 24: ...e projector enters MAGNIFY mode 2 Press the POSITION button then use the lever switch to select the area to zoom Press the POSITION button again to finalize the zoom area 3 Use the lever switch to adj...

Page 25: ...automatically adjust the picture position and size for VIDEO input automatically select the signal mode 3 Automatic keystone distortion correction This is only performed if ONE TOUCH of the AUTO menu...

Page 26: ...een and return to the input signal screen ASPECT DOWN BLANK PUSH LASER ENTER ESC MENU RESET POSITION AUTO PinP ASPECT BLANK UP DOWN BLANK ASPECT PUSH LASER FOCUS ENTER ESC MENU RESET ZOOM PAGE DISPLAY...

Page 27: ...operation display of the selected item appears To adjust a numerical value press the or ENTER button again to switch to the single menu small display showing only the operation display area ex Adjusti...

Page 28: ...s follows With the MAIN menu the seven items shown in the Table below can be performed Perform each operation in accordance with the instructions in the Table Menu screen display Press the MENU button...

Page 29: ...n H POSITION Adjust Horizontal Position for RGB Left Right H PHASE Adjust Horizontal Phase for RGB COMPONENT VIDEO Right Left Adjust to eliminate flicker H SIZE Adjust Horizontal Size for RGB Large Sm...

Page 30: ...nction if the image becomes unstable with VIDEO S VIDEO e g The image becomes irregular or lacks color AUTO mode may not function correctly with a PAL60 signal and certain other signals The AUTO mode...

Page 31: ...n is inclined or if the projector is angled downwards it may not be possible to make the correct adjustment when V INVERT or H V INVERT is selected under the MIRROR item of the MAIN menu When the zoom...

Page 32: ...screen is the MyScreen or ORIGINAL screen it will turn immediately to a solid black screen MyScreen Registration of MyScreen When this item is executed the MyScreen Menu for registration of MyScreen f...

Page 33: ...eeded light LAMP TIME Refer to LAMP TIME When set this function displays the total time the projector lamp has been used since new Reset LAMP TIME Use this function only when the lamp has been replace...

Page 34: ...ion or displaying the menu screen NOTES PS 2 ADB Serial Mouse Control 1 Turn off the projector and PC power and connect the projector s CONTROL terminal to the computer via the mouse cable 2 If a USB...

Page 35: ...tion working in high places is dangerous so ask your local dealer to have the lamp replaced even if the bulb is not broken Handle with care jolting or scratching could cause the lamp bulb to burst dur...

Page 36: ...or Then push the point of the lamp cover to fix it as shown in the figure Make sure that the lamp cover doesn t come up 2 After making sure that the projector has cooled adequately slide the knob of a...

Page 37: ...en you turn on the unit the filter needs to be cleaned See Related Messages and Regarding the Indicator Lamps for details 1 Turn off the projector and unplug the power cord 2 3 Turn on the projector a...

Page 38: ...Turn on the projector power and using the menu reset the filter timer To reset the lamp timer from the OPTION menu select FILTER TIME 3 Insert the new filter and replace the filter cover ATTENTION Mak...

Page 39: ...he cabinet and remote control transmitter Wipe lightly with gauze or a soft cloth If soiling is severe dip a soft cloth in water or a neutral cleanser diluted in water and wipe lightly after wringing...

Page 40: ...e status of the signal source SYNC IS OUT OF RANGE ON kHz Hz The horizontal or vertical wavelength of the inputted signal is outside of the response parameters of this unit Please confirm the specs fo...

Page 41: ...ce turn the power ON again if the same display is displayed then please contact a sales store or a service company The red lamp is lighted or blinks Turned OFF Blinking of the red lamp The cooling fan...

Page 42: ...ot correctly connected Correctly connect the connection cord 8 12 The volume setting has been set at or adjusted to an extremely low level Adjust the VOLUME setting to a higher level 18 The MUTE mode...

Page 43: ...ly AC100 120V 4 7A AC220 240V 2 0A Power consumption 430W Temperature range 0 35 C Operating Size 380 W x 120 H x 303 D mm Not including protruding parts Weight mass 5 8 kg Ports RGB Input Ports RGB 1...

Page 44: ...ension 78 6969 9564 2 Shipping Case 78 6969 8925 6 Wireless Module 78 6969 9600 4 Mouse Cable PS 2 78 8118 8105 7 Mouse Cable Serial 78 8118 8107 3 Mouse Cable ADB 78 8118 8106 5 Mac Adapter 78 8118 3...

Page 45: ...rnet Website DN00351 QR55141_OG_ENG Intended Use Before operating this machine please read this entire manual thoroughly The 3MTM Multimedia Projectors are designed built and tested for use indoors us...

Page 46: ...do not make any claim of copyright The copyright remains the property of their respective owners ABOUT PROJECTOR COM Projector com http www projector com is your review and buying guide resource for...

Reviews: