BenQ Lw61st Users Manual

Maintenance 51
Indicators
LightStatus & Description
Pow e r  eve n t s
Off Off OrangeStand-by mode.
Off OffGreen
FlashingPowering up.
Off Off GreenNormal operation.
Off OffOrange
Flashing
•  The projector needs to cool for 5 seconds after the 
power is turned off.
•  The projector has shut down automatically. If you try to 
re-start the projector, it will shut down again. Please 
contact your dealer for assistance.
Thermal events
Off Red Off
The projector has shut down automatically. If you try to re-...

Troubleshooting 52
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 cord.Plug the power cord into the AC power jack 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.
CauseRemedy
The video source is not turned on or 
connected correctly.Turn the video source on and check that the signal 
cable is...

Specifications 53
Specifications
Projector specifications
All specifications are subject to change without notice.
Optical
Resolution
(LX60ST)
1024 x 768 XGA
(LW61ST)
1280 x 800 WXGA
Display system
1-CHIP DMD
Lens F/Number
F = 2.59
Light source
Blue Laser Diode x 24
Electrical
Power supplyAC100–240V, 2.22 A, 50-60 Hz (Automatic)Power consumption
270 W (Max); < 0.5 W (Standby)
Mechanical
Weight
11.24 lbs (5.1 Kg)
Output terminals
RGB output
D-Sub 15-pin (female) x 1
Speaker
(Stereo) 10 watt x 2
Audio...

Specifications 54
Dimensions
393 mm (W) x 117 mm (H) x 298 mm (D)
Wall mount installation
Minimum installation requirements
LX60ST
393
298
117
105.5
76.6 (LX60ST)
75.95 (LW61ST)
Computer 
Resolution: 
XGA 
Image 
Resolution: 
XGA
Diagram 
ReferenceSMART 
Board 
660SMART 
Board 
680Promethean 
ActivBoard 
164Promethean 
ActivBoard 
178RM 
CkassBiard2 
77.5Hitachi 
StarBoard 
FX-63StarBoard 
FX-77
Image 
Diagonal 
(inches)D 64 77 64 78 77.5 63 77
Image 
Height 
(mm)H 975 1173 975 1189 1881 960 1173
Image...

Specifications 55
LW61ST
Distance 
from top 
of wall 
mount to 
ceiling 
(mm)c5050 50 50 50 50 50
Minimum 
Ceiling 
Height 
(mm)e
2337.62565.62337.62583.6 3274.6 2320.6 2565.6
Computer Resolution: 
WXGA 
Image Resolution: 
WXGADiagram 
ReferenceSMART 
Board 685Promethean 
ActivBoard 387Hitachi FX-
TRIO-88WHitachi FX-
DUO-88W
Image Diagonal (inches) D 87 87 88 88
Image Height (mm) H 1171 1171 1185 1185
Image Width (mm) W 1874 1874 1898 1895
Distance from floor to 
bottom of image (mm)f 900 900 900 900...

Specifications 56
Minimum Ceiling Height (mm) = f + H + b + 60 + 274+ c
•  The dimensions are based on the BenQ wall mount (P/N: 5J.J4R10.001).
•  All measurements are approximate and may vary from the actual sizes. BenQ recommends that if you 
intend to permanently install the projector, you should physically test the projection size and distance 
using the actual projector in situ before you permanently install it, so as to make allowance for this 
projectors optical characteristics. This will help you...

Specifications 57
Timing chart
Supported timing for PC input
*Supported timing for non-3D and 3D signal with Frame Sequential and Top-Bottom format.
**Supported timing for non-3D and 3D signal with Frame Sequential format.
***Supported timing for non-3D and 3D signal with Top-Bottom format.
ResolutionMode
Ve r t i c a l  
Frequency 
(Hz)Horizontal 
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...

Specifications 58
Supported timing for HDMI (HDCP) input
*Supported timing for non-3D and 3D signal with Frame Sequential and Top-Bottom format.
**Supported timing for non-3D and 3D signal with Frame Sequential format.
***Supported timing for non-3D and 3D signal with Top-Bottom format.
ResolutionModeVe r t i c a l  
Frequency 
(Hz)Horizontal 
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...

Specifications 59
Displaying a 1080i(1125i)@60Hz or 1080i(1125i)@50Hz signal may result in slight image vibration.
**Supported timing for non-3D and 3D signal with Frame Sequential format.
Supported timing for Component-YPbPr input
Displaying a 1080i(1125i)@60Hz or 1080i(1125i)@50Hz signal may result in slight image vibration.
**Supported timing for non-3D and 3D signal with Frame Sequential format.
Supported timing for Video and S-Video inputs
**Supported timing for non-3D and 3D signal with Frame...

Warranty and Copyright information 60
Warranty and Copyright information
Limited warranty
BenQ warrants this product against any defects in material and workmanship, under 
normal usage and storage.
Proof of purchase date will be required with any warranty claim. In the event this product 
is found to be defective within the warranty period, BenQs only obligation and your 
exclusive remedy shall be replacement of any defective parts (labor included). To obtain 
warranty service, immediately notify the...