BenQ Projector HT2050 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 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. 9. As shown in the illustration, lower the new lamp. 10. Reconnect the lamp connector. 11. Tighten the screw that secures the lamp. 12. Ensure the handle is fully laid flat and locked in place. • Loose screws may cause a bad connection, which could result in malfunction. • Do not over tighten the screw. 13. Replace the lamp cover on the projector. 14. Tighten the screws that secure the lamp cover. • Loose screws may cause a bad connection, which could result in malfunction. • Do not over tighten the screw. 21
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 wrong, turn the projector off and contact your dealer. 15. Connect the power and restart the projector. 16. After the startup logo displays, 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 menu, if there’s no signal connected to the projector, go to Reset Lamp Timer and select Reset; if there are signals connected, go to Settings > Reset Lamp Timer, and select Reset. Do not reset if the lamp is not new or replaced as this could cause damage. A Reset Successfully message displays to notify that the lamp time has been reset to 0. 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 Red RedDownloading Green Off RedCW start fail Red Off Red Scaler reset fail Green Off OffBurn-in ON Green Green GreenBurn-in OFF 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)
53 Maintenance Red FlashingRed Off Fan 5 error (the actual fan speed is ±25% outside the desired speed) Red FlashingRed FlashingOffFan 6 error (the actual fan speed is ±25% outside the desired speed) Red FlashingGreen OffFan 7 error (the actual fan speed is ±25% outside the desired speed) Red FlashingGreen FlashingOffFan 8 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 error 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
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 cover. No picture.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 source device.Check the connection. The input source has not been correctly selected.Select the correct source with the SOURCE key on the projector or remote control. Image is unstable.The connection cables are not securely connected to the projector or the signal source.Correctly connect the cables to the appropriate terminals. Picture is blurred.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 this projector if necessary. The lens cover is still closed. Remove the lens cover. Remote control does not work correctly.The batteries are out of power. Replace both of the batteries 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 (26.2 feet) of the projector. 3D content does not display correctlyThe 3D glasses are out of battery. Recharge the 3D glasses. The settings in the 3D menu are not set correctly.Correctly set the settings in the 3D menu. Your Blu-ray Disc is not in 3D format.Use a 3D Blu-ray Disc and try again. The input source has not been correctly selected.Select the correct source with the SOURCE key on the projector or remote control.
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 supply
AC100–240V, 3.5 A, 50-60 Hz (Automatic)
Power consumption
375 W (Max); < 0.5 W (Standby)
Mechanical
Weight
3.2 Kg (7.05 lbs)
Output terminals
Speaker
(Stereo) 5 watt x 1
Audio signal output
PC audio jack x 1
Control
RS-232 serial control
9 pin x 1
IR receiver x 2
12VDC (Max. 0.5 A) x 1
Input terminals
Computer input
RGB input
D-Sub 15-pin (female) x 1
Video signal input
VIDEO
RCA jack x 1
SD/HDTV signal input
Analog - Component RCA jack x 3
(through RGB input)
Digital - HDMI x 2
Audio signal input
Audio in
RCA audio jack (L/R) x 2
PC audio jack x 1
USB port (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)
56 Maintenance Dimensions 311.87 mm x 244.12 mm x 104 mm (W x D x H) Ceiling mount installation Unit: mm 244.12311.87 104 46/11 285.96113.37142.1 172.23 380.49 537.9 577.7 35 132.9 630.44 53.9160 122.1447 Ceiling mount screws: M4 (Max. L = 25 mm; Min. L= 20 mm) Unit: mm
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 70.087 31.469 28.3221 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 36.000 800 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 97.551 115.500 1152 x 864 1152 x 864_75 75.00 67.500 108.000 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* 59.870 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
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 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 1680 x 1050_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 74.93 60.241 80.000 1152 x 870@75Hz MAC21 75.06 68.68 100.00 1920x1080@60HZ1920 x 1080_60 (Reduce Blanking)60 67.5 148.5 1920x1200@60HZ1920 x 1200_60 (Reduce Blanking)59.95 74.038 154
59 Maintenance Supported timing for HDMI (HDCP) input FormatResolutionRefresh rate (Hz)H. 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 97.551 115.500 1152 x 864 1152 x 864_75 75.00 67.500 108.000 1024 x 576BenQ Notebook Timing60.00 35.820 46.996 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* 59.870 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
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 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 1680 x 1050_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 1920 x 1080@60Hz1920 x 1080_60 (Reduce Blanking)60 67.5 148.5 1920 x 1200@60Hz1920 x 1200_60 (Reduce Blanking)59.95 74.038 154