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BenQ Mh680 Users Manual

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    							Maintenance 51 12. Connect the power and restart the projector.
    Do not turn the power on with the lamp cover removed. 
    Resetting the lamp timer
    13. After the startup logo, open the On-Screen Display (OSD) menu. Go to the 
    SYSTEM SETUP: Advanced > Lamp Settings menu. Press MODE/ENTER. 
    The Lamp Settings page appears. Highlight Reset Lamp Timer. A warning  6. Use the handle to slowly pull the lamp out of 
    the projector.
    •  Pulling it too quickly may cause the lamp to break and 
    scatter broken glass in the projector.
    •  Do not place the lamp in locations where water might 
    splash on it, children can reach it, or near flammable 
    materials.
    •  Do not insert your hands into the projector after the 
    lamp is removed. If you touch the optical components 
    inside, it could cause color unevenness and distortion of 
    the projected images.
    7. As shown in the figure, lower the new lamp.
    8. Tighten the screw that secures the lamp.
    9. Ensure the handle is fully laid flat and locked 
    in place.
    •  Loose screw may cause a bad connection, which could 
    result in malfunction.
    •  Do not over tighten the screw.
    10. Replace the lamp cover on the projector.
    11. Tighten the screw that secures the lamp cover. 
    •  Loose screw may cause a bad connection, which could 
    result in malfunction.
    •  Do not over tighten the screw.
    2
    1
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    							Maintenance 52message appears asking if you want to reset the lamp timer. Highlight Reset and 
    press MODE/ENTER. The lamp time will be reset to “0”.
    Do not reset if the lamp is not new or replaced as this could cause damage. 
    Downloaded From projector-manual.com BenQ Manuals 
    						
    							Maintenance 53
    Indicators
    LightStatus & Description
    Powe r  ev e n t s
    Orange Off OffStand-by mode.
    Green
    FlashingOff OffPowering up.
    Green Off OffNormal operation.
    Orange
    FlashingOff OffNormal power-down cooling
    Red Off OffDownload
    Green Off RedCW start fail
    Red Flashing Off OffScaler shutdown fail (data abort)
    Lamp events
    Off Off RedLamp1 error in normal operation
    Off OffOrange 
    FlashingLamp is not lit up
    Thermal events
    Red Red OffFan 1 error (the actual fan speed is +25% outside 
    the desired speed)
    RedRed 
    FlashingOffFan 2 error (the actual fan speed is +25% outside 
    the desired speed)
    Red Green OffFan 3 error (the actual fan speed is +25% outside 
    the desired speed)
    RedGreen 
    FlashingOffFan 4 error (the actual fan speed is +25% outside 
    the desired speed)
    Green Red OffTemperature 1 error (over limited temperature)
    GreenRed 
    FlashingOffThermal Sensor 1 open error
    Green Green OffThermal Sensor 1 short error
    GreenGreen 
    FlashingOffThermal IC #1 I2C Connection error
    Green 
    FlashingRed OffTemperature 2 error (over limited temperature)
    Green 
    FlashingRed 
    FlashingOffThermal Sensor 2 open error
    Green 
    FlashingGreen OffThermal Sensor 2 short error
    Green 
    FlashingGreen 
    FlashingOffThermal IC #2 I2C Connection error
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    							Troubleshooting 54
    Troubleshooting
    The projector does not turn on.
    No picture
    Blurred image
    Remote control does not work
    The password is incorrect
    CauseRemedy
    There is no power from the power cord.Plug the power cord into the AC power jack on 
    the projector, and plug the power cord into the 
    power outlet. If the power outlet has a switch, 
    make sure that it is switched on.
    Attempting to turn the projector on again 
    during the cooling process.Wait until the cooling down process has 
    completed.
    CauseRemedy
    The video source is not turned on or 
    connected correctly.Turn the video source on and check that the signal 
    cable is connected correctly.
    The projector is not correctly connected 
    to the input signal device.Check the connection.
    The input signal has not been correctly 
    selected.Select the correct input signal with the SOURCE 
    key on the projector or remote control.
    The lens cover is still closed. Open the lens cover.
    CauseRemedy
    The projection lens is not correctly 
    focused.Adjust the focus of the lens using the focus ring.
    The projector and the screen are not 
    aligned properly.Adjust the projection angle and direction as well 
    as the height of the projector if necessary.
    The lens cover is still closed. Open the lens cover.
    CauseRemedy
    The battery is out of power. Replace the battery with new ones.
    There is an obstacle between the remote 
    control and the projector.Remove the obstacle.
    You are too far away from the projector. Stand within 8 meters (26 feet) of the projector.
    CauseRemedy
    You do not remember the password.Please see Entering the password recall 
    procedure on page 23 for details.
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    							Specifications 55
    Specifications
    Projector specifications
    All specifications are subject to change without notice.
    Optical
    Resolution
    1920 (H) x 1080 (V)
    Display system
    1-CHIP DMD
    Lens F/Number
    F = 2.59 ~ 2.87, f = 16.88 ~ 21.88 mm
    Lamp
    210 W lamp
    Electrical
    Power supply
    AC100–240V, 3.1 A, 50-60 Hz 
    (Automatic)
    Power consumption
    315 W (Max); < 0.5 W (Standby)
    Mechanical
    Weight
    2.8 Kg (6.39 lbs)
    Output terminals
    RGB output
    D-Sub 15-pin (female) x 1
    Speaker
    (Stereo) 10 watt x 1
    Audio signal output
    PC audio jack x 1
    Control
    RS-232 serial control
    9 pin x 1
    IR receiver x 2
    Input terminals
    Computer input
    RGB input
    D-Sub 15-pin (female) x 2
    Video signal input
    S-VIDEO
    Mini DIN 4-pin port x 1
    VIDEO
    RCA jack x 1
    SD/HDTV signal input
    Analog - Component RCA jack x 3
    (through RGB input)
    Digital - HDMI x 1
    Audio signal input
    Audio in
    RCA audio jack (L/R) x 2
    PC audio jack x 1
    USB ports (Type-A x 1; Mini-B x 1)
    Environmental Requirements
    Operating temperature
    0°C–40°C at sea level
    Operating relative humidity
    10%–90% (without condensation)
    Operating altitude
    0–1499 m at 0°C–35°C
    1500–3000 m at 0°C–30°C (with 
    High Altitude Mode on)
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    							Specifications 56
    Dimensions
    311.81 mm (W) x 104.7 mm (H) x 244.12 mm (D)
    Ceiling mount installation
    311.81
    244.12
    104.7
    Unit: mm
    626.11
    582.2
    537.9
    25
    95.21
    168.59
    239.77 111.28                      311.58
    137160
    115
    127.7
    80
    Ceiling Mount screw: M4
    (Max L = 25 mm; Min L = 20 mm)
    Unit: mm
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    							Specifications 57
    Timing chart
    Supported timing for PC input
    •  *Supported timing for 3D signal in Frame Sequential, Top Bottom and Side by Side formats.
    **Supported timing for 3D signal in Frame Sequential format.
    ***Supported timing for 3D signal in Top Bottom and Side by Side format.
    ResolutionMode
    Ve r t i c a l  
    Frequency 
    (Hz)Horizontal 
    Frequency 
    (kHz)Pixel 
    Frequency
    (MHz)
    640 x 480VGA_60* 59.940 31.469 25.175
    VGA_72 72.809 37.861 31.500
    VGA_75 75.000 37.500 31.500
    VGA_85 85.008 43.269 36.000
    720 x 400 720 x 400_70 70.087 31.469 28.3221
    800 x 600SVGA_60* 60.317 37.879 40.000
    SVGA_72 72.188 48.077 50.000
    SVGA_75 75.000 46.875 49.500
    SVGA_85 85.061 53.674 56.250
    SVGA_120** 
    (Reduce Blanking)119.854 77.425 83.000
    1024 x 768XGA_60* 60.004 48.363 65.000
    XGA_70 70.069 56.476 75.000
    XGA_75 75.029 60.023 78.750
    XGA_85 84.997 68.667 94.500
    XGA_120** 
    (Reduce Blanking)119.989 97.551 115.5
    1152 x 864 1152 x 864_75 75 67.5 108
    1024 x 576BenQ 
    Notebook_timing60.0 35.820 46.966
    1024 x 600BenQ 
    Notebook_timing64.995 41.467 51.419
    1280 x 720 1280 x 720_60* 60 45.000 74.250
    1280 x 768 1280 x 768_60* 59.87 47.776 79.5
    1280 x 800WXGA_60* 59.810 49.702 83.500
    WXGA_75 74.934 62.795 106.500
    WXGA_85 84.880 71.554 122.500
    WXGA_120** 
    (Reduce Blanking)119.909 101.563 146.25
    1280 x 1024SXGA_60*** 60.020 63.981 108.000
    SXGA_75 75.025 79.976 135.000
    SXGA_85 85.024 91.146 157.500
    1280 x 9601280 x 960_60*** 60.000 60.000 108.000
    1280 x 960_85 85.002 85.938 148.500
    1360 x 768 1360 x 768_60*** 60.015 47.712 85.5
    1440 x 900 WXGA+_60*** 59.887 55.935 106.500
    1400 x 1050 SXGA+_60*** 59.978 65.317 121.750
    1600 x 1200 UXGA*** 60.000 75.000 162.000
    1680 x 1050 1680x1050_60*** 59.954 65.29 146.25
    640 x 480@67Hz MAC13 66.667 35.000 30.240
    832 x 624@75Hz MAC16 74.546 49.722 57.280
    1024 x 768@75Hz MAC19 74.93 60.241 80.000
    1152 x 870@75Hz MAC21 75.060 68.680 100.000
    Downloaded From projector-manual.com BenQ Manuals 
    						
    							Specifications 58
    •  The timings showing above may not be supported due to EDID file and VGA graphic card limitations. It is 
    possible that some timings cannot be chosen.
    Supported timing for HDMI (HDCP) input
    •  *Supported timing for 3D signal in Frame Sequential, Top Bottom and Side by Side formats.
    **Supported timing for 3D signal in Frame Sequential format.
    ***Supported timing for 3D signal in Top Bottom and Side by Side formats.
    ResolutionModeVe r t i c a l  
    Frequency 
    (Hz)Horizontal 
    Frequency 
    (kHz)Pixel 
    Frequency
    (MHz)
    640 x 480VGA_60* 59.940 31.469 25.175 
    VGA_72 72.809 37.861 31.500 
    VGA_75 75.000 37.500 31.500 
    VGA_85 85.008 43.269 36.000 
    720 x 400 720 x 400_70 70.087 31.469 28.3221
    800 x 600SVGA_60* 60.317 37.879 40.000 
    SVGA_72 72.188 48.077 50.000 
    SVGA_75 75.000 46.875 49.500 
    SVGA_85 85.061 53.674 56.250 
    SVGA_120** 
    (Reduce Blanking)119.854 77.425 83.000
    1024 x 768XGA_60* 60.004 48.363 65.000 
    XGA_70 70.069 56.476 75.000 
    XGA_75 75.029 60.023 78.750 
    XGA_85 84.997 68.667 94.500 
    XGA_120** 
    (Reduce Blanking)119.989 97.551 115.5
    1152 x 864 1152 x 864_75 75 67.5 108
    1280 x 768 1280 x 768_60* 59.87 47.776 79.5
    1024 x 576@60HzBenQ Notebook 
    Timing60.00 35.820 46.996
    1024 x 600@65HzBenQ Notebook 
    Timing64.995 41.467 51.419
    1280 x 720
    1280 x 720_60*60 45.000 74.250
    1280 x 768
    1280 x 768_60*59.870 47.776 79.5
    1280 x 800WXGA_60* 59.810 49.702 83.500
    WXGA_75 74.934 62.795 106.500
    WXGA_85 84.880 71.554 122.500
    WXGA_120** 
    (Reduce Blanking)119.909 101.563 146.25
    1280 x 1024SXGA_60*** 60.020 63.981 108.000 
    SXGA_75 75.025 79.976 135.000
    SXGA_85 85.024 91.146 157.500
    1280 x 9601280 x 960_60*** 60.000 60.000 108
    1280 x 960_85 85.002 85.938 148.500
    1360 x 768 1360 x 768_60*** 60.015 47.712 85.500
    1440 x 900 WXGA+_60*** 59.887 55.935 106.500
    1400 x 1050 SXGA+_60*** 59.978 65.317 121.750
    1600 x 1200 UXGA*** 60.000 75.000  162.000
    1680 x 1050 1680x1050_60*** 59.954 65.290 146.250
    640 x 480@67Hz MAC13 66.667 35.000 30.240
    832 x 624@75Hz MAC16 74.546 49.722 57.280
    1024 x 768@75Hz MAC19 75.020 60.241 80.000
    1152 x 870@75Hz MAC21 75.06 68.68 100.00
    Downloaded From projector-manual.com BenQ Manuals 
    						
    							Specifications 59
    •  The timings showing above may not be supported due to EDID file and VGA graphic card limitations. It is 
    possible that some timings cannot be chosen.
    *Supported timing for 3D signal in Frame Sequential format.
    **Supported timing for 3D signal in Top Bottom, Frame Packing and Side by Side formats.
    ***Supported timing for 3D signal in Frame Sequential, Top Bottom, Frame Packing and Side by Side 
    formats.
    ****Supported timing for 3D signal in Side by Side format.
    *****Supported timing for 3D signal in Top Bottom format.
    Supported timing for Component-YPbPr input
    •  *Supported timing for 3D signal in Frame Sequential format.
    •  Displaying a 1080i(1125i)@60Hz or 1080i(1125i)@50Hz signal may result in slight image vibration.
    TimingResolutionVe r t i c a l  
    Frequency 
    (Hz)Horizontal 
    Frequency 
    (kHz)Pixel 
    Frequency
    (MHz)
    480i* 720 x 480 59.94 15.73 27
    480p* 720 x 480 59.94 31.47 27
    576i 720 x 576 50 15.63 27
    576p 720 x 576 50 31.25 27
    720/50p** 1280 x 720 50 37.5 74.25
    720/60p*** 1280 x 720 60 45.00 74.25
    1080/50i**** 1920 x 1080 50 28.13 74.25
    1080/60i**** 1920 x 1080 60 33.75 74.25
    1080/24P** 1920 x 1080 24 27 74.25
    1080/25P 1920 x 1080 25 28.13 74.25
    1080/30P 1920 x 1080 30 33.75 74.25
    1080/50P***** 1920 x 1080 50 56.25 148.5
    1080/60P***** 1920 x 1080  60 67.5 148.5
    TimingResolutionVe r t i c a l  
    Frequency (Hz)Horizontal 
    Frequency (kHz)Pixel Frequency 
    (MHz)
    480i* 720 x 480 59.94 15.73 13.5
    480p* 720 x 480 59.94 31.47 27
    576i 720 x 576 50 15.63 13.5
    576p 720 x 576 50 31.25 27
    720/50p 1280 x 720 50 37.5 74.25
    720/60p* 1280 x 720 60 45.00 74.25
    1080/50i 1920 x 1080 50 28.13 74.25
    1080/60i 1920 x 1080 60 33.75 74.25
    1080/24P 1920 x 1080 24 27 74.25
    1080/25P 1920 x 1080 25 28.13 74.25
    1080/30P 1920 x 1080 30 33.75 74.25
    1080/50P 1920 x 1080 50 56.25 148.5
    1080/60P 1920 x 1080 60 67.5 148.5
    Downloaded From projector-manual.com BenQ Manuals 
    						
    							Specifications 60
    Supported timing for Video and S-Video inputs
    *Supported timing for 3D signal in Frame Sequential format.
    Video modeHorizontal 
    Frequency (kHz)Ve r t i c a l  F r e q u e n c y  
    (Hz)Color sub-carrier 
    Frequency (MHz)
    NTSC* 15.73 60 3.58
    PAL 15.63 50 4.43
    SECAM 15.63 50 4.25 or 4.41
    PAL-M 15.73 60 3.58
    PAL-N 15.63 50 3.58
    PAL-60 15.73 60 4.43
    NTSC4.43 15.73 60 4.43
    Downloaded From projector-manual.com BenQ Manuals 
    						
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