BenQ Pb7210/pb7230/pb7110 Digital Projector Users Manual

Maintenance 27
Maintenance
Lamp Information
Use and Replacement of 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 could cause a mal-
function in the projector and in some instances the projector may break.
For more detailed information, please refer to LED Indicator Status & Illustration on page 
29.
The Lamp and Temp indicators will light up if  the lamp becomes too hot. Turn...

Maintenance
28 Step 1. Turn the projector off. Discon-
nect the power cord from the 
outlet and the projector.
Step 2. Loosen the screw and remove the  lamp cover. If the lamp is hot, 
avoid burns by waiting 45 min-
utes until the lamp has cooled. 
Step 3. Loosen the 3 screws. (It is  strongly recommended that you 
use a magnetic-head screw-
driver.) Pull the handle to 
remove the lamp housing. If the 
screws are not loosened com-
pletely, you could injure your 
fingers. Do not insert your hand 
into...

Maintenance 29
Resetting Lamp Hours
If you replace the lamp after 2000 hours of operation, please follow the instructions below 
within 10 minutes of powering on.   
Te m p  I n f o r m a t i o n
When the LED lights up, it is warning you of the following possible problems:
1. The internal temperature is too high.
2. The fans are not working.
Turn the projector off and contact qualif ied service personnel for further help.
For more detailed information, please refer to LED Indicator Status & Illustration...

Maintenance
30
LED Status & Description
Power Temp Lamp
Power events
Power sw itch on
--
Power-up cooling. The projector needs 90 seconds to cool down 
as it was abnormally shutdown without the normal cooling 
dowm sequence.
--
Stand-by mode.
--
Lamp LED is blinking during powering up.
--
Power-down cooling for 90 seconds after power has been turned 
off.
--Normal operation
Lamp events
--
It is warning you that lamp  usage has exceeded 2000 hours. 
Replace the projection lamp with a new one...

Maintenance 31
-
Thermal sensor 1 over-temperature. The projector will shut-
down automatically. If you try to restart the projector, it will 
shutdown again. Please contact your dealer for assistance.
Thermal sensor 2 over-temperature. The projector will shut-
down automatically. If you try to restart the projector, it will 
shutdown again. Please contac t your dealer for assistance.
Thermal sensor 3 over-temperature. The projector will shut-
down automatically. If you try to restart the projector, it...

Maintenance
32
Service Information
Accessories (included in the standard package) 
Optional Accessories (not included in the standard package)  
Ordering Parts or Getting Information
For product information, product assistance, se rvice information, or to order accessories, 
please visit the BenQ Corporation website at http://www.BenQ.com.
Description  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Part Number
Power cord (US)  . . . . . . . . . . . . . ....

Troubleshooting 33
Troubleshooting
Common Problems & Solutions
NO POWER
Try these solutions: 
• Make sure the power cord is inserted snugged into the AC adapter socket.
• Make sure the power cord is inserted snugged into the power outlet.
• Toggle the power switch to the position “
|”.
• Wait 90 seconds after the projector is turned off before turning the projector back on.
NO PICTURE
Try these solutions: 
• Check for the proper input source.
• Ensure all cables are connected properly.
• Adjust the...

Troubleshooting 34
Status Messages    
On-Screen MessagesDescription
SEARCHINGProjector is searching for input.
ACQUIRING SIGNALProjector has identified the input signal and is run-
ning the auto image adjustment function.
OUT OF RANGEInput signal frequency exceeds the projector’s range.
LAMP WARNING - 
CHANGE LAMP AND 
RESET LAMP TIMER! The lamp has been in operation for 1900 hours. 
Install a new lamp for optimal performance.
OUT OF LAMP USAGE 
TIME. YOU HAVE TO 
CHANGE THE LAMP!The lamp has been in...

Specifications 35
Specifications
Projector Specifications 
Technical Specifications
All specifications are subject to change without notice. 
General
Product name Digital Projector
Model name PB7210         1024 x 768  XGA
PB7230         1024 x 768  XGA
PB7110         800 x 600  SVGA
Optical
Display system 1-CHIP DMD
Lens F/Number F/2.6
Lamp 250W lamp
Electrical
Power supply AC100 ~ 240V, 4.0A, 50/60 Hz (Automatic)
Power consumption 330W (Max)
Mechanical
Dimensions 258 mm (W) x 80 mm (H) x 211.5 mm (D)...

Specifications 36
Timing Chart
Supported timing for PC input
Supported timing for YP
bPr input
ResolutionHorizontal 
Frequency 
(kHz)Ve r t i c a l  
Frequency 
(Hz)Pixel 
Frequency 
(MHz)Mode
720 x 400 37.927 85.039 35.500 720 x 400_85
640 x 48031.469 59.940 25.175 VGA_60
37.861 72.809 31.500 VGA_72
37.500 75.000 31.500 VGA_75
43.269 85.008 36.000 VGA_85
800 x 60035.156 56.250 36.000 SVGA_56
37.879 60.317 40.000 SVGA_60
48.077 72.188 50.000 SVGA_72
46.875 75.000 49.500 SVGA_75
53.674 85.061 56.250...