BenQ Mp624 Dlp Users Manual

Maintenance 51
Timing of replacing the lamp
When the Lamp indicator lights up red or a message appears suggesting it is time to replace 
the lamp, please install a new lamp or consult your dealer. An old lamp may cause a 
malfunction in the projector and in some instances the lamp may explode.
The Lamp indicator light and Temperature warning light will light up if the lamp becomes too hot. Turn 
the power off and let the projector cool for 45 minutes. If the Lamp or Temp indicator still lights up 
after...

Maintenance 52
Replacing the lamp
• If lamp replacement is performed while the projector is suspended upside-down from the ceiling, 
make sure that no one is underneath the lamp socket to avoid any possible injury or damage to 
the human eyes caused by fractured lamp.
• To reduce the risk of electrical shock, always turn the projector off and disconnect the power cord 
before changing the lamp.   
• To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before 
replacing...

Maintenance 53 5. Lift the handle so that it stands up. 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...

Maintenance 5411. Restart the projector.
Do not turn the power on with the lamp cover removed.
Resetting the lamp timer
12. 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 
displays. Press   to highlight Reset lamp 
timer and press Mode/Enter. A warning 
message displays 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...

Maintenance 55
Indicators
LightStatus & Description
PowerTe m pLamp
Power events
Orange Orange OrangeThe projector has just been connected to a power outlet.
Orange Off OffStand-by mode
Green
FlashingOff OffPowering up
Green Off OffNormal operation
Orange
FlashingOff Off
1. The projector needs 90 seconds to cool down as it was 
abnormally shut down without the normal cooling 
down process. Or
2. The projector needs to cool for 90 seconds after the 
power is turned off.
Orange
FlashingOff OffThe projector...

Troubleshooting 56
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 
cable.Plug the power cord into the AC inlet 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...

Specifications 57
Specifications
Projector specifications
All specifications are subject to change without notice. 
General
Product name Digital Projector
Model name MP623/MP624
Optical
Resolution 1024 x 768 XGA
Display system 1-CHIP DMD
Lens F/Number F=2.4 to 2.6, f=20.7 ~ 22.8 mm
Lamp 200 W lamp
Electrical
Power supply AC100–240V, 3.1 A, 50/60 Hz (Automatic)
Power consumption 285 W (Max)
Mechanical
Dimensions 239 mm (W) x 95 mm (H) x 245.5 mm (D)
Weight Approx. 5.51 lbs (2.5 Kg)
Input terminal
Computer...

Specifications 58
Dimensions
239 mm (W) x 95 mm (H) x 245.5 mm (D)
Timing chart
Supported timing for PC input
245.5239
95
64.566.3
Resolution ModeRefresh rate
(Hz)Horizontal 
frequency
(kHz)Clock
(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
1024 x...

Specifications 59
Supported timing for HDMI (HDCP) input
Supported timing for Video and S-Video inputs
Resolution ModeRefresh rate
(Hz)Horizontal 
frequency
(kHz)Clock
(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
1024 x 768XGA_60 60.004 48.363 65.000
XGA_70...

Specifications 60
Supported timing for Component (YPbPr) input
Displaying a 1080i(1125i)@60Hz or 1080i(1125i)@50Hz signal may result in slight image vibration.
Signal Format Horizontal Frequency (kHz) Vertical Frequency (Hz)
480i(525i)@60Hz 15.73 59.94
480p(525p)@60Hz 31.47 59.94
576i(625i)@50Hz 15.63 50.00
576p(625p)@50Hz 31.25 50.00
720p(750p)@60Hz 45.00 60.00
720p(750p)@50Hz 37.50 50.00
1080i(1125i)@60Hz 33.75 60.00
1080i(1125i)@50Hz 28.13 50.00
1080p@50Hz 56.25 50
1080p@60Hz 67.5 60
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