BenQ Projector MX528E User Manual

Maintenance 61
Lamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is 
automatically calculated by the built-in timer. The method of calculating the equivalent 
lamp hour is as follows:
Total (equivalent) lamp hour= 20/9 * (hours used in Normal mode) + 5/3 * (hours 
used in Eco mode) + 20/13 * (hours used in SmartEco)+1 * (hours used in LampSave)
See Setting Lamp mode eco function as Economic or SmartEco mode 
below for more information...

Maintenance
62
Setting Auto Power Off
This function allows the projector to turn off automatically if no input source is detected 
after a set period of time to prevent unnecessary waste of lamp life.
To  s e t  Auto Power Off, go into the SYSTEM SETUP: Basic > Auto Power Off 
menu and press  / . The time period can be set from 5 to 30 minutes in 5-minute 
increments. If the preset time lengths are not suitable for your presentation, select 
Disable. The projector will not automatically shut down in a...

Maintenance 63
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.
Do not attempt to replace the lamp yourself. Contact the qualified service 
personnel for replacement.
The Lamp indicator light and Temperature warning light will light up if the 
lamp becomes too hot. See...

Maintenance
64
Replacing the lamp (FOR SERVICE PERSONNEL 
ONLY)
•Hg - Lamp contains mercury. Manage in accordance with local 
disposal laws. See www.lamprecycle.org.
• 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...

Maintenance 65
3. Remove the lamp cover by (a) sliding 
the cover toward the side of the 
projector and (b) lifting it off.
• Do not turn the power on with 
the lamp cover removed.
• Do not insert your fingers 
between the lamp and the 
projector. The sharp edges inside 
the projector may cause injuries.
4. Loosen the screws that secure the 
lamp.
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...

Maintenance
66
11. 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...

Maintenance 67
Indicators
LightStatus & Description
POWERTEMPLAMP
System Message
Orange Off OffStand-by mode
Green 
FlashingOff OffPowering up
Green Off OffNormal operation
Orange 
FlashingOff OffNormal power-down cooling
Orange 
Flashing
Green 
FlashingRed 
FlashingRed 
FlashingDownload
Green Off RedCW start fail
Burn-In Messages
Green 
FlashingOff OffBurn-in ON
Orange Off OffBurn-in OFF
Lamp Error Messages
Off OffRed 
FlashingLamp1 error in normal operation
Off Off RedLamp is not lit up
Thermal Error...

Troubleshooting
68
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 69
Specifications
All specifications are subject to change without notice. 
Lamp life results will vary depending on environmental conditions and 
usage.
OpticalResolution
(MS527E)
800 x 600 SVGA
(MX528E)
1024 x 768 XGA
(MW529E)
1280 x 800 WXGA
Display system
1-CHIP DMD
Lens F/Number
(MS527E/MX528E)
F = 2.5 to 2.7
f = 22.08 to 24.28 mm
(MW529E)
F = 2.59 to 2.86 
f = 21 to 25.6 mm
Offset
(MS527E/MX528E): 115
±5% ; 
(MW529E): 112
±5% 
Zoom ratio
(MS527E/MX528E): 1.1X; 
(MW529E): 1.2X
Lamp...

Specifications
70
Dimensions
302.9 mm (W) x 111.8 mm (H) x 221.8 mm (D)
Ceiling mount installation
Ceiling mount screw: M4
(Max L = 25 mm; Min L=20 mm)
Unit: mm