3M MP8725 manual Troubleshooting, Sympton/Solution Table, Message/Solution Table

Page 19

Section 7: Troubleshooting

7.1 Sympton/Solution Table

Symptom

Cause

Solution

ENGLISH

 

 

 

Power cannot be

• The Main power is not turned on.

• Turn the MAIN POWER switch on.

 

turned on.

• The power cord is disconnected.

• Insert the power cord into an AC socket.

 

 

• 60 seconds have not elpsed since

• Wait 60 seconds before turning on power.

 

 

the power was turned off.

 

 

 

 

 

 

No picture and sound

• The setting of the input source is not

• Set the correct input using the input select button of

 

 

correct.

the projector or the remote control

 

 

• RGB/Video/Audio wiring to projector is

• Connect the cable to correct input/output source.

 

 

not correct.

 

 

 

 

 

 

Sound is heard with no

• RGB/Video/Audio wiring to projector

• Connect the cable to correct input/output source.

 

picture

is not correct.

 

 

 

• The brightness is set fully to dark.

• Press the MENU button and increase BRIGHTNESS.

 

 

 

 

 

Picture is displayed with

• Audio wiring to projector is not correct.

• Connect the cable to correct input/output source.

 

no sound

• The volume is set to minimum.

• Press the VOL button and increase VOLUME

 

 

• The unit is muted.

• Press the MUTE button.

 

 

 

 

 

Color is weak and tint is

• The color and tint have been adjusted

• Adjust the color and tint correctly.

 

incorrect

incorrectly.

 

 

 

 

 

 

Picture is dark

• The brightness and contrast has been

• Adjust the brightness and contrast correctly.

 

 

adjusted incorrectly.

 

 

 

• The lamp needs to be replaced.

• Replace the lamp with a new one.

 

 

 

 

 

Picture is not clear

• Projector is out of focus.

• Adjust the focus.

 

 

 

 

 

LAMP indicator lights

• Lamp will not ignite.

• Turn off power and let cool for 20 minutes, then restart.

 

red.

 

• If problem persists call your dealer.

 

 

 

 

 

LAMP indicator blinks

• Lamp door is open.

• Lamp door is closed.

 

red.

• Lamp module is not connected correctly.

• Insert lamp module and ensure that it is secured properly.

 

 

 

 

 

TEMP indicator lights

• Temperature inside projector

• Do not block the ventilation holes.

 

red.

is too hot.

• Clean air filter

 

 

 

 

 

TEMP indicator blinks

• Cooling fan may be obstructed by

• Align metal screen.

 

red.

metal screen under foam air filter.

• If fan blade is still obstructed, call service.

 

 

 

 

 

Both LAMP indicator and

• Lamp operating time is greater

• Change the projector lamp and reset the lamp

 

ON indicator blink red.

than 2,000 hours.

operation hours to zero.

 

 

 

 

 

7.2 Message/Solution Table

 

Error Message Displays

Cause

Solution

 

 

 

 

 

NO INPUT IS DETECTED.

The projector is not detecting a signal.

Check cable connections to input device. Input device not

 

 

 

connected to this input mode, switch to next mode.

 

 

 

 

 

SYNC IS OUT OF RANGE.

The horizontal frequency of input signal

Switch projector to correct resolution.

 

 

exceeds projector capability.

See Appendix A.5

 

 

 

 

 

CHANGE THE LAMP.

Lamp operation time is greater than 1,700

Change the projector lamp and reset the lamp operation

 

AFTER REPLACING LAMP

hours.

hours to zero.

 

RESET THE LAMP TIMER.

 

 

 

 

 

 

 

CHANGE THE LAMP.

Lamp operation time is greater than 1,979

Change the projection lamp and reset the lamp operation

 

AFTER REPLACING LAMP

hours which leaves 20 hours of lamp time.

hours to zero.

 

RESET THE LAMP TIMER

 

 

 

THE POWER WILL TURN

 

 

 

OFF AFTER 20 HR.

 

 

 

 

 

 

 

CHANGE THE LAMP.

Lamp operating time is greater than 2000

Change the projector lamp and reset the lamp operation

 

(Blinking message)

hours. Safety feature shuts projector down

hours to zero.

 

 

after 10 minutes.

 

 

 

 

 

 

CHECK THE AIR FLOW.

Air flow to cooling fan is blocked.

Clear air flow path to fan and clean air filter.

 

 

 

 

 

 

 

 

© 3M 1999

3MMultimedia Projector MP8725

17

Image 19
Contents MP8725 Multimedia Projector Table of Contents Intended USE SafeguardsLimited Warranty WarrantyKeep Your Packaging Materials Contents of Shipping BoxOptional Accessories UnpackProduct Description Machine CharacteristicsPart Identification List VCR System Set Up connecting various equipmentLaser Aperture Remote Control Transmitter IdentificationProjector Startup Basic OperationsProjector Shutdown Factory Default Setting Adjustment and FunctionsMenu Navigation Height Adjustment How To Use Height Adjustment FeetSetup Input Image OPT Adjustment Value Default ScreenCleaning the Air Filter MaintenanceLamp LampDisplay Lamp Operation Hours Lamp Module Replacing the LampSympton/Solution Table TroubleshootingMessage/Solution Table How to Order AccessoriesService Information AccessoriesTechnical Specifications Table of ContentsTechnical Appendix Dimension Projector-to-Screen Distance Connection to the RGB Signal Terminal Connection to the Video Signal TerminalExample of computer signal Meaning Remedy Indicator StatusMouse emulation Connection to the Control Signal TerminalSerial mouse RS-232 Control Cable not included with basic packoutSerial Command Codes Serial Command Code Table Serial Command Code Table Technical 3M Austin Center 3M Canada 3M Mexico, S.A. de C.V 3M Europe

MP8725 specifications

The 3M MP8725 is an innovative multi-purpose digital projector designed to meet the demands of both business and educational environments. This advanced device combines high-performance image quality with versatile connectivity options, making it an ideal choice for presentations, lectures, and collaborative workspaces.

One of the standout features of the 3M MP8725 is its impressive image resolution. With a native HD resolution of 1920 x 1080 pixels, the projector delivers sharp and clear visuals, ensuring that every detail is captured during presentations. This level of clarity is particularly beneficial for displaying intricate graphics, charts, and videos, making complex information easily digestible for audiences.

The brightness of the MP8725 is another noteworthy characteristic. It boasts a high lumen output, which allows the projector to produce bright images even in well-lit environments. This feature is crucial for business presentations held in conference rooms with large windows or during daytime lectures in classrooms, ensuring visibility without straining the audience's eyes.

Another key technology integrated into the 3M MP8725 is its advanced color reproduction capabilities. It utilizes 3M's proprietary Color Brightness technology, which enhances the vibrancy and accuracy of colors. This ensures that images and videos look natural and engaging, captivating the audience and maintaining their attention throughout the presentation.

Connectivity is made easy with multiple input options available on the MP8725. It offers HDMI, USB, and VGA ports, allowing users to connect a variety of devices such as laptops, tablets, and smartphones without hassle. Additionally, the projector supports wireless connectivity, enabling easy streaming and screen mirroring from compatible devices. This flexibility makes the MP8725 a convenient tool for diverse presentation scenarios.

Portability is another advantage of the 3M MP8725. Its lightweight design makes it easy to transport between locations, ideal for professionals who frequently travel for meetings or educators who move between classrooms. Despite its compact size, it does not compromise on performance, delivering consistent results across various settings.

In conclusion, the 3M MP8725 combines high-resolution imaging, exceptional brightness, vibrant color reproduction, versatile connectivity, and portability to create a powerful digital projector. Whether for business or educational use, it stands out as a reliable and efficient tool that enhances the overall presentation experience.