BenQ Ms521/mx522/mw523/ms511h/tw523 Digital Projector User Manual

Maintenance 61 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 certain time period. 

Maintenance
62
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 63
Replacing the lamp
•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 before changing the lamp.   
• To...

Maintenance
643. 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 and...

Maintenance 65 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
66
Indicators
LightStatus & Description
POWERTEMPLAMP
Pow e 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 
FlashingOff OffScaler shutdown fail (data abord)
Red Off RedScaler reset fail (video projector only)
Green Off OffBurn-in ON
Green Green GreenBurn-in OFF
Lamp events
Off OffRedLamp1 error in normal operation
Off OffOrange...

Maintenance 67
Green
FlashingGreen
FlashingOffThermal IC #2 I2C Connection 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
The...

Specifications 69
Specifications
All specifications are subject to change without notice. 
Lamp life results will vary depending on environmental conditions and usage.
OpticalResolution
(MS521/MS511H)
800 x 600 SVGA
(MX522)
1024 x 768 XGA
(MW523/TW523)
1280 x 800 WXGA
Display system
1-CHIP DMD
Lens F/Number
(MS521/MX522/MS511H)
F = 2.51 to 2.69
f = 22.08 to 24.28 mm
(MW523/TW523)
F = 2.55 to 3.06 
f = 21 to 25.6 mm
Offset
(MS521/MX522/MS511H): 130% ; 
(MW523/TW523): 125% 
Zoom ratio
(MS521/MX522/MS511H):...

Specifications
70
Dimensions
301.6 mm (W) x 111.3 mm (H) x 219.2 mm (D)
Ceiling mount installation
301.6
219.2
111.3
7670.0
80.0
196.0196.0
181.0
71.9
301.6
21.0
81.0
57.5
162.1
Ceiling mount screws:
M4 x 8 (Max. L = 8 mm)
Unit: mm