BenQ Projector HT3050 User Manual
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51 Maintenance 8. Use the handle to slowly pull the lamp out of the projector. • Pulling it too quickly may ca use 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 re ach 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. 9. As...
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52 Maintenance Indicators There are three indicators which show the status of the projector. Check the following information about the indicator lights. If there is anything wron g, turn the projector off and contact your dealer. 15. Connect the power and restart the projector. 16. After the startup logo is displayed, reset the lamp timer via the OSD menu. • Under the Advanced OSD menu, go to System Setup : Advanced > Lamp Settings > Reset Lamp Timer , and select Reset. • Under the Basic OSD...
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53 Maintenance Red Flashing Red Off Fan 5 error (the actual fan spee d is ±25% outside the desired speed) Red Flashing Red Flashing OffFan 6 error (the actual fan spee d is ±25% outside the desired speed) Red Flashing Green OffFan 7 error (the actual fan spee d is ±25% outside the desired speed) Red Flashing Green Flashing OffFan 8 error (the actual fan spee d is ±25% outside the desired speed) Green Red OffTemperature 1 error (over limited temperature) Green Red Flashing OffThermal sensor 1...
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54 Maintenance Troubleshooting ProblemCauseRemedy The projector does not turn on. There is no power from the power cable. Plug the power cable into the AC inlet on the rear of the projector, and plug the power cable into to 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. The lamp cover is not securely attached. Correctly attach the lamp...
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55 Maintenance Specifications Projector specifications All specifications are subject to change without notice. Optical Resolution 1920 (H) x 1080 (V) Display system Single-chip DLP ™ system Lens F/Number F = 2.59 to 2.87, f = 16.88 to 21.88 mm Lamp 240 W lamp Electrical Power supplyAC100–240V, 4.0 A, 50-60 Hz (Automatic) Power consumption 375 W (Max); < 0.5 W (Standby) Mechanical Weight3.6 Kg (7.94 lbs) Output terminals Speaker(Stereo) 5 watt x 2 Audio signal output PC audio jack x 1 Control...
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56 Maintenance Dimensions 311.87 mm x 244.12 mm x 104 mm (W x D x H) Ceiling mount installation Unit: mm 244.12 311.87 104 46/11 285.96 113.37 142.1 172.23 380.49 537.9 577.7 35132.9 630.44 53.9 160 122.14 47 Ceiling mount screws: M4 (Max. L = 25 mm; Min. L= 20 mm) Unit: mm
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57 Maintenance Timing chart Supported timing for PC input FormatResolutionRefresh rate (Hz)H. Frequency (KHz)Pixel Frequency (MHz) 720 x 400 720 x 400_70 70.08731.46928.3221 640 x 480 VGA_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 36.000 800 x 600 SVGA_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 77.42583.000 1024 x 768...
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58 Maintenance *Supported timing for 3D signal with Frame Sequential, Top-Bottom and Side-by-Side format. **Supported timing for 3D signal with Frame Sequential format. ***Supported timing for 3D signal with Top-Bottom and Side-by-Side format. 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. 1280 x 1024 SXGA_60*** 60.020 63.981 108.000 SXGA_75 75.025 79.976 135.000 SXGA_85 85.024 91.146 157.500 1280...
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59 Maintenance Supported timing for HDMI (HDCP) input FormatResolutionRefresh rate (Hz)H. Frequency (KHz)Pixel Frequency (MHz) 640 x 480 VGA_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 600 SVGA_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 77.42583.000 1024 x 768 XGA_60*...
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60 Maintenance *Supported timing for 3D signal with Frame Sequential, Top-Bottom and Side-by-Side format. **Supported timing for 3D signal with Frame Sequential format. ***Supported timing for 3D signal with Top-Bottom and Side-by-Side format. 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. 1280 x 960 1280 x 960_60*** 60.00060.000 108 1280 x 960_85 85.00285.938148.500 1360 x 768 1360 x 768_60***...