Canon projector LV7250 User Manual

							62
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
1 11 1512 1413
6
5 4
3 210 798
7. Appendix
* Only ANALOG-1 input connector supported on LV-7250.
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 Composite Sync
14 Vertical Sync
15 Data Clock* 
						

							63
7. Appendix
 Compatible Input Signal List
Horizontal: 15KHz to 100KHz (RGB: 24KHz or over)
Vertical: 50Hz to 120Hz
Signal Resolution Frequency H. Refresh Rate
( Dots ) ( kHz ) ( Hz )
NTSC – 15.73 59.94
PAL–15.63 50.00PAL60 – 15.73 60.00SECAM – 15.63 50.00
VESA 640
480 31.47 59.94IBM 640
480 31.48 59.95MAC 640
480 35.00 66.67
VESA 640
480 37.86 72.81VESA 640
480 37.50 75.00IBM 640
480 39.38 75.00
VESA 640
480 43.27 85.01IBM 720
350 31.47 70.08IBM 720
350 39.44 87.85
IBM 720
400 39.44 87.85VESA 800
600 35.16 56.25VESA 800
600 37.88 60.32
VESA 800
600 48.08 72.19VESA 800
600 46.88 75.00VESA 800
600 53.67 85.06
MAC 832
624 49.72 74.55VESA 1024
768 48.36 60.00VESA 1024
768 56.48 70.07
MAC 1024
768 60.24 74.93VESA 1024
768 60.02 75.03VESA 1024
768 68.68 85.00
#VESA 1152
864 67.50 75.00#MAC1152
870 68.68 75.06#VESA 1280
960 60.00 60.00
#1280
960 75.00 75.00#1280
960 85.94 85.00#VESA 1280
1024 63.98 60.02
#MAC1280
1024 69.87 65.18#VESA 1280
1024 79.98 75.02#VESA 1280
1024 91.15 85.02
#VESA 1600
1200 75.00 60.00#VESA 1600
1200 81.25 65.00#VESA 1600
1200 87.50 70.00
#VESA 1600
1200 93.75 75.00SDTV(576i)(625i)–15.63 50.00 InterlaceSDTV(576p)(625p)–31.25 50.00 Progressive
#HDTV (1080i)(1125i)1920
1080 33.75 60.00 Interlace#HDTV (1080i)(1125i)1920
1080 28.13 50.00 Interlace#HDTV (720p)(750p)1280
720 45.00 60.00 Progressive
SDTV (480p)(525p)–31.47 59.94 ProgressiveDVD YCbCr – 15.73 59.94  InterlacedDVD YCbCr – 15.63 50.00  Interlaced
# : Images in above flagged with # are compressed with scaling technology.
NOTE: Some composite sync signals may not be displayed correctly.
Signals other than those specified in the table above may not be displayed correctly. If
this should happen, change the refresh rate or resolution on your PC. Refer to Display
Properties help section of your PC for procedures.
UXGA (1600 x 1200) is supported for separate sync signal only. 
						

							64
7. Appendix
25
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
176
180
190
200
210
220
230
240
250
260
270
280
290
30051
61
81
102
122
142
163
183
203
224
244
264
284
305
325
345
358
366
386
406
427
447
467
488
508
528
549
569
589
610x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x38
46
61
76
91
107
122
137
152
168
183
198
213
229
244
259
268
274
290
305
320
335
351
366
381
396
411
427
442
457–
–
1.2 m
(3.8)
1.4 m
(4.8)
1.7 m
(5.7)
2.0 m
(6.7)
2.3 m
(7.7)
2.6 m
(8.7)
2.9 m
(9.6)
3.2 m
(10.6)
3.5 m
(11.6)
3.8 m
(12.6)
4.1 m
(13.5)
4.4 m
(14.5)
4.7 m
(15.5)
5.0 m
(16.5)
5.2 m
(17.0)
5.3 m
(17.4)
5.6 m
(18.4)
5.9 m
(19.4)
6.2 m
(20.4)
6.5 m
(21.3)
6.8 m
(22.3)
7.1 m
(23.3)
7.3 m
(24.2)
7.6 m
(25.2)
7.9 m
(26.2)
8.2 m
(27.2)
8.5 m
(28.1)
8.8 m
(29.1)1.1 m
(3.7)
1.3 m
(4.4)
1.8 m
(5.9)
2.3 m
(7.5)
2.7 m
(9.0)
3.2 m
(10.5)
3.6 m
(12.0)
4.1 m
(13.5)
4.6 m
(15.1)
5.0 m
(16.6)
5.5 m
(18.1)
5.9 m
(19.6)
6.4 m
(21.2)
6.9 m
(22.7)
7.3 m
(24.2)
7.8 m
(25.7)
8.1 m
(26.6)
8.3 m
(27.2)
8.7 m
(28.8)
–
–
–
–
–
–
–
–
–
–
–33 cm
(1.1)
39 cm
(1.3)
52 cm
(1.7)
65 cm
(2.2)
78 cm
(2.6)
92 cm
(3.0)
105 cm
(3.5)
118 cm
(3.9)
131 cm
(4.3)
144 cm
(4.7)
157 cm
(5.2)
170 cm
(5.6)
183 cm
(6.0)
196 cm
(6.5)
209 cm
(6.9)
222 cm
(7.3)
230 cm
(7.6)
235 cm
(7.8)
248 cm
(8.2)
262 cm
(8.6)
275 cm
(9.1)
288 cm
(9.5)
301 cm
(9.9)
314 cm
(10.4)
327 cm
(10.8)
340 cm
(11.2)
353 cm
(11.7)
366 cm
(12.1)
379 cm
(12.5)
392 cm
(12.9)5 cm
(0.2)
6 cm
(0.2)
9 cm
(0.3)
11 cm
(0.4)
13 cm
(0.4)
15 cm
(0.5)
17 cm
(0.6)
19 cm
(0.6)
22 cm
(0.7)
24 cm
(0.8)
26 cm
(0.9)
28 cm
(0.9)
30 cm
(1.0)
32 cm
(1.1)
35 cm
(1.1)
37 cm
(1.2)
38 cm
(1.3)
39 cm
(1.3)
41 cm
(1.4)
43 cm
(1.4)
45 cm
(1.5)
48 cm
(1.6)
50 cm
(1.6)
52 cm
(1.7)
54 cm
(1.8)
56 cm
(1.9)
58 cm
(1.9)
61 cm
(2.0)
63 cm
(2.1)
65 cm
(2.1)23
28
37
46
55
64
73
83
92
101
110
119
129
138
147
156
162
165
174
184
193
202
211
220
229
239
248
257
266
27551
61
81
102
122
142
163
183
203
224
244
264
284
305
325
345
358
366
386
406
427
447
467
488
508
528
549
569
589
610x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x29
34
46
57
69
80
91
103
114
126
137
149
160
171
183
194
201
206
217
229
240
251
263
274
286
297
309
320
331
343 Screen size at 4:3
aspect ratio
W x D (cm)Zoomed projection
distance
Max. Min.H1
H2Screen size at 16:9
aspect ratio
W x D (cm)
 Relationship between Screen Size and Projection distance 
						

							65
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
(COMPUTER on LV-X6)
INPUT SELECT COMPUTER-2 02H 03H 00H 00H 02H 01H 02H 0AH
(LV-7250 only)
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 00H 00H 15H
Cable Connection
Communication Protocol
Baud rate ........................................ 19200 bps
Data length ..................................... 8 bits
Parity .............................................. No parity
Stop bit .......................................... One bit
Communications procedure ........... Full duplex
NOTE: Depending on the equipment, a lower baud rate may be recommended for long cable runs.
NOTE: Contact your local dealer for a full list of the PC Control Codes if needed.
SERVICE PORT (Mini DIN-8P)
NOTE: Pins 2, 3, 5, 6 and 8 are used inside the projector.
To RxD of PCTo GND of PC
12
3
67845
To TxD of PC 
						

							66
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 notebook PC’s signal output to the projector.
•A combination of function keys will enable/disable the ex-
ternal display. Usually, the combination of the “Fn” key along
with one of the 12 function keys turns the external display
on or off.
No image (blue background, logo, no display).
Still no image even though you press the AUTO PC button.
Still no image even though you carry out “Reset” in the
projector’s menu.
Signal cables plug is fully inserted into the input connector
A message appears on the screen.
( _____________________________________________ )
The source connected to the projector is active and available.
Still no image even though you adjust the brightness and/or
the contrast.
Input sources resolution and frequency are supported by the
projector.
Frequency of occurrence   always    sometimes (How often?_____________________)     other (__________________)
Power
No power (POWER indicator does not light green)   See also “WARN-
ING Indicator (WARNING)”.
Power cords plug is fully inserted into the wall outlet.
Main power switch is pressed to the ON position.
Lamp cover is installed correctly .
Lamp counter (lamp operation hours) was cleared after lamp
replacement.
No power even though you press and hold the POWER button
for a minimum of 1 second.Shut down during operation.
Power cords plug is fully inserted into the wall outlet.
Lamp cover is installed correctly .
Power Management is turned off (only models with the Power
Management function).
Off timer is turned off (only models with the Off timer func-
tion).
Video and Audio
Image is too dark.
Remains unchanged even though you adjust the brightness
and/or the contrast.
Image is distorted.
Image appears to be trapezoidal (unchanged even though you
carry out the “Keystone adjustment”).
Parts of the image are lost.
Still unchanged even though you press the AUTO PC button.
Still unchanged even though you carry out “Reset” in the
projector’s menu.
Image is shifted in the vertical or horizontal direction.
Horizontal and vertical positions are correctly adjusted on a
computer signal.
Input sources resolution and frequency are supported by the
projector.
Some pixels are lost.
Image is flickering.
Still unchanged even though you press the AUTO PC button.
Still unchanged even though you carry out “Reset” in the
projector’s menu.
Image shows flickering or color drift on a computer signal.
Image appears blurry or out of focus.
Still unchanged even though you checked the signal’s resolu-
tion on PC and changed it to projector’s native resolution.
Still unchanged even though you adjusted the focus.
No sound.
Audio cable is correctly connected to the audio input of the
projector.
Still unchanged even though you adjusted the volume level.
AUDIO OUT is connected to your audio equipment (only mod-
els with the AUDIO OUT connector).
Other
Remote control does not work.
No obstacles between the sensor of the projector and the re-
mote control.
Projector is placed near a fluorescent light that can disturb the
infrared remote controls.
One or more remote sensors are enabled (only models with
the Remote Sensor Selection function).
Batteries are new and are not reversed in installation.
If present on the remote control, projector selector switch is
not used.Buttons on the projector cabinet do not work ( only models with
the Key lock function).
Key lock is not turned on or is disabled in the menu.
Still unchanged even though you press and hold the BACK but-
ton for a minimum of 10 seconds. 
						

							67
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   Green
Flashing light [          ] cycles
Remote control model number:
Signal cable
Canon standard or other manufacturer’s cable?
Model number:                        Length:              inch/m
Distribution amplifier
Model number:
Switcher
Model number:
Adapter
Model number:
ProjectorPC
DVD player
Installation environment
Screen size: inch
Screen type: White matte    Beads   Polarization
 Wide angle    High contrast
 Throw distance: feet/inch/m
 Orientation: Ceiling mount    Desktop
Power outlet connection:
Connected directly to wall outlet
Connected to power cord extender or other (the num-
ber of connected equipment______________)
Connected to a power cord reel or other (the number
of connected equipment______________)
Computer
Manufacturer:
Model number:
Notebook PC  / Desktop 
Native resolution:
Refresh rate:
Video adapter:
Other:
Video equipment
VCR, DVD player, Video camera, Video game or other
Manufacturer:
Model number: 
						

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