BenQ Mh680 Users Manual
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Page 51
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...
Page 52
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
Page 53
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)...
Page 54
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....
Page 55
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...
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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 Downloaded From projector-manual.com BenQ Manuals
Page 57
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...
Page 58
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...
Page 59
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...
Page 60
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