Canon projector LV7240 User Manual

53
7. Appendix
Common Problems & Solutions (See also POWER/WARNING/LAMP REPLACE Indicator on page 52.)
Does not turn on
Will turn off
No picture
Picture suddenly
becomes dark
Color tone or Color
balance is unusual
Image isn’t square to
the screen
Picture is blurred
Image is scrolling
vertically, horizontally
or both
Remote control does
not work
Indicator is lit or
blinking
Cross color in RGB
mode
Whenever the projector
is turned on, a message
prompting you to clean
the filter will be dis-
played•Check...

54
7. Appendix
If there is no picture, or the picture is not displayed correctly.
•Power on process for the projector and the PC.
Be sure to connect the RGB cable between the projector and the computer before turning on the computer.
There are some notebook PCs, which do not output signal unless there is a projector or monitor connected first.
NOTE: You can check the horizontal frequency of the current signal in the projector’s menu under Information.  If it reads
“0kHz”, this means there is no signal...

55
7. Appendix
 Specifications
This section provides technical information about the projectors performance.
Model Number LV-7245/LV-7240/LV-X5
Optical
LCD Panel 0.7 p-Si TFT active-matrix with Micro Lens Array
Resolution 1024 
 768 pixels* native, up to UXGA with scaling technology
Lens Manual zoom and manual focus
F1.7 - 2.0   f=21.6 - 25.9 mm
LampLV-7245 : 190W DC lamp (150W Quiet mode)
LV-7240: 180W DC lamp (150W  Quiet mode)
LV-X5: 130W DC lamp (110W  Quiet mode)
BrightnessLV-7245: 2500 lm
LV-7240:...

56
7. Appendix
Mechanical
Installation Orientation Front / Rear / Ceiling mounted / Rear, Ceiling mounted
Dimensions 11.6 (W)
3.7 (H)
10.2 (D)
294mm (W)
93mm (H)
260mm (D)
(not including protrusions)
Weight approx. 7 lbs / 3 kg
Fan NoiseLV-7245/LV-7240: 35 dB (Normal mode), 30dB (Quiet mode)
LV-X5: 33 dB (Normal mode), 28dB (Quiet mode)
Environmental Considerations Operational Temperatures : 41° to 95°F (5° to 35°C),
20% to 80% humidity (non-condensing)
Storage Temperatures : 14° to 122°F (-10° to...

57
7. Appendix
 Cabinet Dimensions
112.5 (4.4)
260 (10.2)
20.3 (0.8)
64.6 (2.5)
294 (11.6)
71.5 (2.8)
AC IN
VIDEO INL   AUDIO IN   R
S-VIDEO IN
ANALOG IN-1
ANALOG IN-2
AUDIO OUTL   AUDIO IN   R
MONO MONO
SERVICE PORTAUDIO IN
POWERVIDEO S-VIDEOCOMPUTER-1 COMPUTER-2WARNINGLAMP REPLACE
AUTO PC
VOL-VOL+
ZOOM
FOCUS
Lens center
Lens center
Unit: mm (inch) 

58
Mini D-Sub 15 Pin Connector
 Pin Assignments of D-Sub ANALOG Input Connector
Signal Level
Video signal : 0.7Vp-p (Analog)
Sync signal : TTL level
51423
10
11 12 13 14 156 978
7. Appendix
* Only ANALOG-1 input connector supported.
Pin No. RGB Signal (Analog) YCbCr Signal
1Red Cr
2Green or Sync on Green Y
3Blue Cb
4Ground
5Ground
6Red Ground Cr Ground
7Green Ground Y Ground
8Blue Ground Cb Ground
9No Connection
10 Sync Signal Ground
11 Scart Sync
12 Bi-directional DATA (SDA)*
13Horizontal Sync or...

59
7. Appendix
 Compatible Input Signal List
Signal Resolution Frequency H. Refresh Rate
( Dots ) ( kHz ) ( Hz )
NTSC – 15.73 60
PAL–15.63 50
PAL60 – 15.73 60
SECAM – 15.63 50
VESA 640
480 31.47 59.94
IBM 640
480 31.47 60
MAC 640
480 34.97 66.67
MAC 640
480 35 66.67
VESA 640
480 37.86 72.81
VESA 640
480 37.5 75
IBM 640
480 39.38 75
VESA 640
480 43.27 85.01
IBM 720
350 31.47 70.09
IBM 720
350 39.44 87.85
IBM 720
400 39.44 87.85
VESA 800
600 35.16 56.25
VESA 800
600 37.88 60.32
VESA 800
600 48.08 72.19...

60
7. Appendix
 PC Control Codes and Cable Connection
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER-1 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT COMPUTER-2 02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H
NO SHOW ON 02H 10H 00H 00H 00H 12H
NO SHOW OFF 02H 11H 00H 00H 00H 13H
SOUND MUTE ON 02H 12H 00H 00H 00H 14H
SOUND MUTE OFF 02H 13H 00H...

61
7. Appendix
 Troubleshooting Check List
Before contacting your dealer or service personnel, check the following list to be sure repairs are needed, you may
also refer to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your problem
more efficiently.
* Print the following pages.
No image is displayed from your PC or video equipment to the
projector.
Still no image even though you connect the projector to the PC
first, then start the PC.
Enabling your...

62
7. Appendix
In the space below please describe your problem in detail.
Information on application and environment where your projector is used
Projector
Model number:
Serial No.:
Date of purchase:
Lamp operating time (hours):
Lamp Mode: Normal   Quiet
Information on input signal:
Horizontal sync frequency [          ] kHz
Vertical sync frequency [          ] Hz
Sync polarity H  (+)   (–)
V  (+)   (–)
Sync type Separate   Composite
 Sync on Green
WARNING Indicator:
Steady light Orange  ...