Canon projector LV8235 UST User Manual

							71
Maintenance and CleaningAppendix 
Troubleshooting
Before calling your dealer or service center for assistance, check the i\
tems below once again.
–  Make sure you have properly connected the projector to peripheral equip\
ment as described on pages 18-20. 
–  Make sure all equipment is connected to AC outlet and the power is turned on.
–  When the projector does not project an image from the connected compute\
r, restart the computer.  
Problem  SolutionsPages
Power
No powerPlug the power cord of the projector into the AC outlet.
See if the POWER indicator lights red.
Wait until the POWER indicator stops blinking to turn on the 
projector again. The projector can be turned on after the 
POWER indicator turns red.
22
Check the WARNING TEMP. indicator. If the WARNING TEMP. 
indicator lights red, projector can not be turned on. 
66
Check the projection lamp.69
Unlock the Key lock function for the projector.61
PIN code dialog box appears at 
start-up.
PIN code lock is being set. Enter a PIN code (the “1234” or 
numbers you have set.)
23, 
61-62
Opening display
The initial display is not shown.Make sure Off or Countdown off are not chosen at display 
function. 
55
The initial display is not same 
as the default set.
Make sure User or Off are not chosen at Logo (select) 
function.
55
Input signal switches automati-
cally. (or does not switch auto-
matically)
Make sure Auto input function is adjusted properly. 53
An icon other than Input mode 
or Lamp mode icon appears
That is the Filter warning icon or the Lamp replacement icon.65, 69
Image
No imageCheck the connection between your computer or video 
equipment and the projector.
18-20
See if the input signal is correctly output from your computer. 
Some laptop computers may need to change the setting for 
monitor output when connecting to a projector. See your 
computer’s instruction manual for the setting.
It takes about 30 seconds to display an image after turning on 
the projector.
22
Check the Input signal, color system, video system or 
computer system mode.
Make sure the temperature is not out of the specified 
Operating Temperature (41˚F–104˚F [5˚C–40˚C]).
When Blank is operating, the image can not be displayed. 
Press the BLANK button or any other button on the remote 
controller.
Image is Left/Right reversed.Check the Ceiling/Rear function.42, 49
Image is Top/Bottom reversed.Check the Ceiling function.42, 49 
						

							72
Appendix
Problem  SolutionsPages
Image
Image is out of focus.Adjust focus of the projector.27
Provide proper distance between the projector and the 
projection screen.
17
Check the projection window to see if it needs cleaning.68
Moving the projector from a cool to warm place may result in 
moisture condensation on the projection lens. In such cases, 
leave the projector off and wait until condensation evaporates.
Picture is not bright enough.Check if the Contrast or Brightness is adjusted properly. 39, 46
Check if Image mode is selected properly.38
Check the Lamp mode function.30, 60
Check the LAMP REPLACE indicator. If it lights, the end of 
lamp life is approaching. Replace the lamp with a new one 
promptly.
69
The color is strange.Check the Input signal, color system, video system or 
computer system mode.
Make sure the Colorboard is not selected on Screen Menu. 42, 49
The image is distorted or runs 
off.
Check PC adjustment Menu or Aspect and adjust them.36-37, 
40-42
Setting and adjustment
Auto PC adjustment function 
does not work.
Check the Input signal. Auto PC function can not work when 
480p, 575p, 720p, 480i, 575i or 1080i is selected, or when the 
digital signal is input into HDMI terminal.
34, 35
Some displays are not seen 
during the operation.
Check the Display function.55
The setting does not remain 
after turning off power.
Make sure you selected Store after adjusting setting. Some 
settings can not be stored if not registered with "Store".
39, 47
Power management mode 
does not work.
Power management mode function can not work while Freeze 
or Blank is running.
59
Capture function does not 
work.
Check the connection and the input signal to see if there is 
signal
56
Auto setup does not work 
properly.
Make sure Off is not selected at any function of Auto setup53
Top control does not work.The top control is not available if the top control is locked at 
Key lock under Security of SETTING section. 
61
Remote controller
The remote controller does not 
work.
Check the batteries.
Make sure no obstruction is between the projector and remote 
controller.
Make sure you are not too far from the projector when using 
the remote controller. Maximum operating range is 16.4'(5 m). 
Make sure the code of the remote controller is conformed to 
the projector’s code. 
60
Unlock the Key lock function for the remote controller function. 61 
						

							73
Appendix
WARNING :
High voltages are used to operate this projector . Do not attempt to open the cabinet .
If problems still persist after following all operating instructions, co\
ntact the dealer where you purchased the 
projector or the service center. Specify the model number and explain about the problem. We will advise you 
how to obtain service.
Problem  SolutionsPages
Sound
No soundCheck the audio cable connection from audio input source.
Adjust the audio source.
Press the Volume + button.29
Press the Mute button.29
When the AUDIO OUT is plugged-in, the projector's built-in 
speaker is not available. 
Is the image projected? You will hear the sound only when the 
image is projected.
Others
Indicator blinks or lights.Check the status of the projector with referring to "Indicators 
and projector Condition".
76
COMPUTER 2 can not be 
selected
Select COMPUTER 2 in the Terminal function.58
The terminal function can not 
be selected.
The Terminal function cannot be selected after COMPUTER 2 
is selected. Select other input source such as COMPUTER 1, 
HDMI, S-video or Video so that the Terminal function can be 
selected.
32, 
42-43, 
58
The exclamation mark appears 
on the screen.
Your operation is invalid. Operate correctly.
3DThere are some trouble about 
3D display function.
The troubleshooting about 3D display function is described on 
page 49.
50, 51 
						

							74
Menu Tree
Mode 1Mode 2SVGA 1 - - - -
Total dotsHorizontal positionVertical position
Reset
Computer Input
PC adjust
Mode 1 ~10
Aspect
Yes / No
 * Systems displayed in the System Menu vary depending on an input signal.
Computer Input/HDMI Input/Video Input
Sound
VolumeMuteOn / OffSound0-63
Clamp
StoreMode free
System (1)
Mode 1 ~10
ScaleH&VPositionCommonReset
H / V
H/VYes / NoYes / No
On / Off
Input
COMPUTER 2
VIDEO
ANALOG PC 
SCART
COMPUTER 1
COMPONENT
Input
Off / Red / Blue / Yellow / Green / Blackboard(Green)
S-video
Auto PCFine sync0-31
ANALOG PC 
Appendix
  COMPUTER 2 can not be selected when using the COMPUTER IN 2/ MONITOR OUT terminal as MONITOR OUT output.
NormalFull
Digital zoom –
16:9
Digital zoom +
Custom adj. Custom
HDMI
Current mode
ZoomTrue
Keystone
CeilingRearScreen aspectColorboardReset
Store / ResetKeystone
On / Off
4:3 / 16:9 / Default(16:10)On / Off
0-630-63Image adjustContrastBrightness
RedGreenBlueSharpness
ResetStore
Gamma
0-630-630-630-15 Default / 1.8 / 2.0 / 2.2 / 2.4 / 2.6
User 1Yes/No
User 2User 3User 4
Color temp.High / Mid / Low / XLow 
						

							75
PALSECAMNTSCNTSC 4.43PAL-MPAL-N
1080i720p575p480p575i480i
Presentation
High contrast
User 1User 2User 3
0-630-63
Off / L1 / L2 / Film
Image selectSystem (2)
System (3)
Image adjustContrastBrightnessColorTint
RedGreenBlueSharpness
ResetStore
Gamma
Progressive
0-630-630-630-15 Default / 1.8 / 2.0 / 2.2 / 2.4 / 2.6
User 1Yes/No
User 4
LanguageSetting24 languages provided.
Blue / User / Black
On / Countdown off / Off 
Logo select
Standby
Code 1 - Code 2
Background
Display
Logo
Power management mode
Remote control
Exit
Off
Security
PIN code lock
Timer (1-30 Min)
L 1 / L 2Fan
Standard
Off / L1 / L2Noise reduction
0-630-63
User 2User 3User 4
Capture
Yes/No
Off / On
Logo PIN code change
Logo PIN code lock
Off / Default / User
Off / On 1 / On 2 
PIN code change
On / Off
Closed captionClosed caption
Color temp.
Auto PC
Off / On 1 / On 2 Fan control
HFilter counter
Yes/No
Off/2000H/3000H/4000H
Yes/NoFactory default
Auto inputOff / On 1 / On 2Auto setup
Off / CC1 / CC2 / CC3 / CC4
ColorColor / White
Lamp modeNormal / Eco
Filter counter
Timer
Filter counter reset
InformationInput Source Information Display
Menu position
Appendix
High / Mid / Low / XLow
Lamp counterLamp counter
Lamp counter reset
3D setting
NormalFullAspect
16:9ZoomNatural wide
3D sync
3D
HDMI setup
Sound
ImageNormal / Enhanced
HDMI / COMPUTER 1
COMPUTER 2 / Monitor outTerminal
Standby modeEco / Network
On/OffDirect power on
Computer Input/HDMI Input/Video InputVideo Input
HDMI Input/Video Input
Key lock
Cinema
On / Off/ NVIDIA 3D VISION
1 / 2
3D -> 2DOn / Off
3D phase0 - 31
Reset / Store1 / Store2Zoom
ScaleH&VPositionCommonReset
H / V
H/VYes / NoYes / No
On / Off
Off / Red / Blue / Yellow / Green / Blackboard(Green)
Custom adj. 
Keystone
CeilingRearScreen aspectColorboard
Reset
Store / ResetKeystone
On / Off
4:3 / 16:9 / Default(16:10)On / Off
Custom
Yes / No
1080p 
						

							76
Check the indicators for projector condition.                           \
        
• • • on.
 / • • • Differs according to conditions.
• • • blinking.
Indicators and Projector Condition
Appendix
Indicators
POWERWARNING TEMP .LAMP REPLACE3DProjector Condition
Red/GreenRedYellowBlue
Normal Condition
The projector is off. (The AC power cord is 
unplugged.)

The projector is in stand-by mode. Press the POWER 
button to turn on the projector.

The projector is operating normally. 

The projector is preparing for stand-by or the 
projection lamp is being cooled down. The projector 
can not be turned on until cooling is completed and 
the POWER indicator stops blinking.

The projector is in the Power management mode. 
The projector is in 3D display mode.
Abnormal Condition

The temperature inside the projector is abnormally 
high. The projector can not be turned on. When the 
projector is cooled down enough and the temperature 
returns to normal, the POWER indicator stops 
blinking and the projector can be turned on. (The 
WARNING TEMP. indicator keeps blinking.) 

The projector has been cooled down enough and 
the temperature returns to normal. When turning on 
the projector, the WARNING TEMP. indicator stops 
blinking.

The projector detects an abnormal condition and can 
not be turned on. Unplug the AC power cord and 
plug it again to turn on the projector. If the projector 
is turned off again, unplug the AC power cord and 
contact the dealer or the service center for service 
and checkup. Do not leave the projector on. It may 
cause an electric shock or a fire hazard.

The lamp has been used overtime. Replace the lamp 
immediately and then reset the lamp counter. The 
indicator will be turned off after resetting the counter.
red
green
red
green
red
red
green
green
• • • off 
						

							77
Compatible Computer Specifications
Basically this projector can accept the signal from all computers with t\
he V-, H- Frequency mentioned 
below and less than 150 MHz of Dot Clock.
  When selecting these modes, PC adjustment can be limited.
Note:
• The mark "" indicates that the 3D image can be projected.
• Alphabet letter "i" placed beside some of the resolutions represents interlace signal.
• The specifications are subject to change without notice.
Appendix
ON-SCREEN DISPLAYRESOLUTIONH-FREQ . [kHz]V-FREQ . [Hz]3DDISPLAY
VGA 1640X48031.47059.880
VGA 2720X40031.47070.090-
VGA 2640X40031.47070.090-
VGA 4640X48037.86074.380-
VGA 5640X48037.86072.810-
VGA 6640X48037.50075.000-
VGA 7640X48043.26985.000-
MAC 13640x48034.97066.600 -
MAC 13640x48035.00066.670 -
SVGA 1800x60035.15656.250 
SVGA 2800x60037.88060.320 
SVGA 3800x60046.87575.000 -
SVGA 4800x60053.67485.060 -
SVGA 5800x60048.08072.190 -
SVGA 6800x60037.90061.030 
SVGA 7800x60034.50055.380 
SVGA 2800x60038.00060.510 
SVGA 9800x60038.60060.310 
SVGA 10800x60032.70051.090 
SVGA 2800x60038.00060.510 
SVGA 12800x60076.302119.972 
MAC 16832x62449.72074.550 -
XGA 11024x76848.36060.000 
XGA 21024x76868.67784.997 -
XGA 31024x76860.02375.030 -
XGA 41024x76856.47670.070 -
XGA 51024x76860.31074.920 -
XGA 11024x76848.50060.020 
XGA 71024x76844.00054.580 
XGA 81024x76868.48079.350 -
XGA 101024x76862.04077.070 -
XGA 111024x76861.00075.700 -
XGA 131024x76846.90058.200 
XGA 131024x76847.00058.300 
XGA 151024x76858.03072.000 -
XGA 161024x76897.551119.989 
XGA 51024x76860.24075.080 -
SXGA 11152x86464.20070.400 -
SXGA 21280x102462.50058.600 
SXGA 31280x102463.90060.000 
SXGA 41280x102463.34059.980 
SXGA 31280x102463.74060.010 
SXGA 61280x102471.69067.190 -
SXGA 71280x102481.13076.107 -
SXGA 31280x102463.98060.020 
SXGA 91280x102479.97675.025 -
SXGA 101280x96060.00060.000 
SXGA 111152x90061.20065.200 -
SXGA 121152x90071.40075.600 -
ON-SCREEN DISPLAYRESOLUTIONH-FREQ . [kHz]V-FREQ . [Hz]3DDISPLAY
SXGA 41280x102463.37060.010 
SXGA 161280x102476.97072.000 -
SXGA 171152x90061.85066.000 -
SXGA 31280x102463.79060.180 
SXGA 201280x102491.14685.024 -
SXGA+ 11400x105063.97060.190 
SXGA+ 21400x105065.35060.120 
SXGA+ 21400x105065.12059.900 
SXGA+ 11400x105064.03060.010 
SXGA+ 51400x105062.50058.600 
SXGA+ 61400x105064.74459.948 
SXGA+ 21400x105065.31759.978 
MAC 211152x87068.68075.060 -
SXGA 91280x102480.00075.080 -
WXGA 31376x76848.36060.000 
WXGA 61280x76847.77659.870 
WXGA 71280x76860.28974.893 -
WXGA 81280x76868.63384.837 -
WXGA 91280x80049.60060.050 
WXGA 101280x80041.20050.000 
WXGA 111280x80049.70259.810 
WXGA 131360x76897.533119.967 
WXGA 141280x76897.396119.798 
WXGA 151280x800101.563119.909 
WUXGA 11920x120074.55659.885 -
WUXGA 21920x120074.03859.950 
WSXGA+ 11680x105065.29059.954 -
WXGA+ 11440x90055.93559.887 
UXGA 11600x120075.00060.000 
UXGA 21600x120081.25065.000 -
UXGA 31600x120087.50070.000 -
UXGA 41600x120093.75075.000 -
UXGA 51600x1200106.25085.000 -
480p720x48031.46959.940 -
575p768x57531.25050.000 -
575i768x576 i15.62550.000-
480i640x480 i15.73460.000-
720p1280x72045.00060.000 -
1280x72037.50050.000 -
1080i1920x1080 i33.75060.000-
1920x1080 i28.12550.000-
1080p
1920x108033.75030.000 -
1920x108028.12525.000 -
1920x108027.00024.000 -
1920x108067.50060.000 -
1920x108056.25050.000 - 
						

							78
Appendix
Note:
• The mark "" indicates that the 3D image can be projected.
• Alphabet letter "i" placed beside some of the resolutions represents interlace signal.
• The specifications are subject to change without notice.
•  Depending on your PC settings, the digital signals of your PC may not be projected correctly . In such a 
case, confirm your PC settings.
•  When you project a DVI signal, connect the cables, turn the projector on, then select the input. Finally , 
turn on your PC. Be sure to follow this procedure, otherwise an image ma\
y not be projected on the 
screen. If an image is not projected correctly, restart your PC.
•  Do not disconnect the cable while the projector is running. If the cable has been disconnected and then 
reconnected, an image may not be correctly projected.
When the input signal is digital from HDMI terminal, refer to the chart \
below.
ON-SCREEN DISPLAYRESOLUTIONH-FREQ . [kHz]V-FREQ . [Hz]3DDISPLAY
D-VGA640x48031.46959.940 
D-480i720x480 i15.73459.940
720x480 i31.469119.880
D-480p720x48031.46959.940
720x48062.937119.880
D-575i720x575 i15.62550.00
720x575 i31.250100.00
D-575p720x57531.25050.000 
720x57562.500100.00 
D-SVGA800x60037.87960.320 
D-SVGA800x60076.302119.972 
D-XGA1024x76843.36360.000 
D-XGA1024x76897.551119.989 
D-WXGA 31376x76848.36060.000 
D-WXGA 61280x76847.77659.870 
D-WXGA 71280x76860.28974.893 -
D-WXGA 81280x76868.63384.837 -
D-WXGA 91280x80049.60060.050 
D-WXGA 101280x80041.20050.000 
D-WXGA 111280x80049.70259.810 
D-WXGA 131360x76897.533119.967 
D-WXGA 141280x76897.396119.798 
D-WXGA 151280x800101.563119.909 
ON-SCREEN DISPLAYRESOLUTIONH-FREQ . [kHz]V-FREQ . [Hz]3DDISPLAY
D-SXGA 11280x102463.98060.020 
D-SXGA 21280x102460.27658.069 -
D-SXGA+ 21400x105065.35060.120 -
D-SXGA+ 21400x105065.12059.900 -
D-SXGA+ 51400x105062.50058.600 
D-SXGA+ 61400x105064.74459.948 
D-SXGA+ 21400x105065.31759.978 
 D-WSXGA+ 11680 x 105065.29059.954 -
 D-WXGA+ 11440 x 90055.93559.887 
D-720p
1280x72045.00060.000 
1280x72037.50050.000
1280x72090.000120.000
1280x72075.000100.000
D-1080i
1920x1080 i33.75059.94/60
1920x1080 i28.12550.000
1920x1080 i67.500119.98/120
1920x1080 i56.250100.000
D-1080p
1920x108033.75030.000 -
1920x108028.12525.000 -
1920x108027.00024.000 -
1920x108067.50060.000 -
1920x108056.25050.000 - 
						

							79
Technical Specifications
Mechanical Information
 Projector Type  Multi-media Projector  Dimensions (W x H x D)  12.6" x 6.7" x 15.2" (321.0 mm x 170.0 mm x 385.0 mm) (Not including protrusions)  Net Weight  13.7 lbs (6.2 kg)   Feet Adjustment  ±1.0˚
DLP Chip
 Projection System  0.65" Single DLP chip, 6 segment Color Wheel   Number of Pixels  1,024,000 pixels (1,280 x 800 dots)
Signal Compatibility
 Color System PAL, SECAM, NTSC, NTSC4.43, PAL-M, and PAL-N  SD/HDTV Signal  Component: 480i, 480p, 575i, 575p, 720p ,1080i and 1080p     HDMI; 480p, 575p, 720p, 1080i and 1080p  Input Scanning Frequency  H-sync. 15 kHz-93 kHz, V-sync. 50-120 Hz
Optical Information 
 Projection Image Size (Diagonal)  Adjustable from 60” to 110”  Throw Distance  0.75’ - 1.49' (23.0 cm - 45.5 cm)  Projection Lens  F 2.5 lens with f 4.83 mm with manual focus  Projection Lamp  275 W
Image Information 
 Brightness  2500 lm (Lamp mode in “Normal”, Image mode in “Presentation”)  Contrast ratio  2000:1 (Lamp mode in “Normal”, Image mode in “Presentation”)  Uniformity  78%
Interface
Video Input Jack  RCA Type x 1 S-Video Input Jack Mini DIN 4 pin x 1 Audio Input Jacks RCA Type x 2 Computer Input 1 / Component Input Terminal Analog RGB (Mini D-sub 15 pin) Terminal x 1 Computer Input 2 / Monitor Output Terminal Analog RGB (Mini D-sub 15 pin) Terminal x 1 (In/Out switchable) Computer 1/ Component Audio Input Jack Mini Jack (stereo) x 1Computer 2 Audio Input Jack Mini Jack (stereo) x 1 Audio Output Jack Mini Jack (stereo) x 1 (Variable)HDMI HDMI (V.1.3 with Deep Color) x 1 Control port D-sub 9 pin x 1 LAN Connection Terminal RJ-45 x 1 3D Sync Output Mini DIN 3 pin x 1
Audio
Internal Audio Amp 10 W RMS Built-in Speaker 1 speaker, φ1.46" (37 mm)
Power
 Voltage and Power Consumption  AC 100–120 V (4.4 A Max. Ampere), 50/60 Hz (The U.S.A and Canada)     AC 100–240 V (4.4 - 2.3 A Max. Ampere), 50/60 Hz (For other countries)
Operating Environment
 Operating Temperature  41˚F–104˚F (5 ˚C–40 ˚C)  Storage Temperature  14˚F–140˚F (-10˚C–60 ˚C)
Remote Controller
 Battery  AAA 1.5V TYPE x 2  Operating Range  16.4' (5 m)/±30˚  Dimensions  2.0" (W) x 0.7" (H) x 4.3" (D) (52 mm x 18 mm x 110 mm)  Net Weight  2.37 oz (67 g) (including batteries)
Accessories
 User's Manual( CD-ROM) Important Information and Quick Start Guide AC Power Cord Remote Controller and Batteries VGA Cable PIN Code Label Warranty Card
Appendix
 The specifications are subject to change without notice.   DLP chips are manufactured to the highest possible standards. A tiny fraction of pixels may be ineffective or always lit, but this is not a malfunction. 
						

							80
Appendix
     Model No.
COMPONENT-VGA Cable     : LV-CA32 
Remote Controller   : LV-RC05 
Ceiling Attachment     : LV-CL20 
High Ceiling Attachment    : LV-CL21 
Wall Attachment   : LV-WL01
The parts listed below are optionally available. When ordering those par\
ts, specify the item name and Model No. 
to the sales dealer.
Optional Parts
This projector is compliant with PJLink Standard Class 1 of JBMIA (Japan Business Machine and Information 
System Industries Association). The projector supports all commands defined by PJLink Class 1 and is ver\
ified 
conformance with PJLink Standard Class 1.
PJLink is a registered trademark of JBMIA and pending trademark in some countries.
PJ Link Notice
Projector InputPJLink InputParameter
COMPUTER 1ANALOG PC RGB 111
COMPONENTVIDEO 222
SCARTRGB 212
COMPUTER 2ANALOG PCRGB 313
HDMI (Digital)DIGITAL 333
VIDEOVIDEO 121
S-VIDEOVIDEO 525