PJ750
User Guide
Guide de l’utilisateur
Bedienungsanleitung
(International Spanish)
(Brazilian Portuguese)
(Italian)
(Swedish)
(Finnish)
(Russian)
(Polish)
(Japanese)
Image Size 31” – 300”
LCD Projector
(Traditional Chinese)
(Simplified Chinese)
(Korean)
(Arabic)
Figure: 1 Package Contents.........................................................................................2
Figure: 2 ViewSonic PJ750 Projector..........................................................................3
Figure: 3 System Setup................................................................................................5
Figure: 4 Recommended Projector Distances..............................................................6
Figure: 5 Angle Adjustment..........................................................................................7
Figure: 6 Projector and Remote Controls.....................................................................8
Figure: 7 Lamp Replacement.....................................................................................20
Figure: 8 Installing the Batteries.................................................................................21
Figure: 9 Attaching the Handle...................................................................................22
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ViewSonic PJ750
Copyright © ViewSonic Corporation, 2001. All right reserved.
Macintosh, Mac and Power Macintosh are registered trademarks of Apple Computer, Inc.
Microsoft, Windows, Windows NT, and the Windows logo are registered trademarks of Microsoft
Corporation in the United States and other countries.
ViewSonic, the three birds logo and OnView are registered trademarks of ViewSonic Corporation.
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VESA and SVGA are registered trademarks of the Video Electronics Standards Association. DPMS
and DDC are trademarks of VESA.
VGA, and XGA are registered trademarks of the International Business Machines Corporation.
ENERGY STAR® is a registered trademark of the U.S. Environmental Protection Agency (EPA).
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As an ENERGY STAR® partner, ViewSonic Corporation has determined that this product meets the
ENERGY STAR® guidelines for energy efficiency.
Disclaimer: ViewSonic Corporation shall not be liable for technical or editorial errors or omissions
contained herein; nor for incidental or consequential damages resulting from furnishing this
material, or the performance or use this product.
In the interest of continuing product improvement,ViewSonic Corporation reserves the right to
change product specifications without notice. Information in this document may change without
notice.
No part of this document may be copied, reproduced, or transmitted by any means, for any purpose
without prior written permission from ViewSonic Corporation.
Product Registration
To meet your future needs, and to receive any additional product information as it becomes
available, please register your product on the Internet at: www.viewsonic.com
For Your Records
Product Name:
Model Number:
Document Number
Serial Number:
Purchase Date:
ViewSonic PJ750
VPROJ22826
PJ750-1_UG_342
_______________
_______________
Product disposal at end of product life
ViewSonic is concerned about the preservation of our environment. Please dispose of this product
properly at the end of its useful life. Your local waste disposal company may provide information
about proper disposal.
ViewSonic PJ750
1
Important Safety Warnings
• Unplug the projector immediately if you detect an abnormal smell or see smoke.
• Do not look directly into the lighted lens; doing so will cause severe eye injury.
• Do not look directly at the laser beam or point the laser at a person’s eyes. Doing so can
cause serious vision problems.
• Keep small children away from the projector. Children can be severely burned by the hot lens.
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Also, children are more likely to look directly into the lens.
• Never touch the lens or the lamp when hot or warm; doing so will cause a severe burn. Unplug the
projector and allow it to cool for 45 minutes before replacing the lamp or storing the projector.
• Do not service the unit yourself; doing so could cause injury.
• Do not operate the projector near water or in a humid area. Do not place drinks on or near the
projector; doing so could cause a burn or short an electrical circuit.
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• Do not block the ventilation openings in the projector. Place the projector so that there is adequate
air circulation
• Keep the air filter clean.
• Do not place the projector on a shelf or on any other unstable surface.
Projector Components
Projector control
panel
Zoom ring
Focus ring
Remote Control Sensor
Power switch
Lens
AC power
inlet
Air Vent (intake)
Figure 2: ViewSonic PJ750 Projector
ViewSonic PJ750
3
Setting up the Projector
1 Connect the Power Cord and Input/Output Devices.
Make sure that you have properly connected the power and input cables before turning on the
projector. See “Connecting Input and Output Devices” on page 5.
2 Remove the lens cap.
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3 Turn on the Projector.
•
Turn on the Power Switch on the side of the projector. The power indicator (LED) lights a
steady orange. See “Using The Projector” on page 8.
4 Press the Standby/On button.
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•
•
The power LED flashes green during warm-up.
ViewSonic PJ750 is ready to use.
•
flashes orange and the unit remains in cool-down mode with the fan on for approximately 1
minute. The power switch on the side of the projector can be turned off when the power LED
lights a steady orange, indicating that cool-down is complete.
5 Position the Projector.
•
Position the projector on a level and stable surface. Determine the distance the projector will be
from the screen. (See “Positioning the Projector” on page 6.)
•
Adjust the angle of the projection by positioning the foot adjusters. (Se e"Adjusting the
Projector Angle" on page 7.)
6 Turn on the Input Devices and select the Input Signal.
•
Press either the Input button on the projector control pad or the Video/RGB buttons on the
remote control to select the signal to be projected.
•
The selected input signal source displays in the lower right section of the screen.
7 Adjust the image size.
Turn the Zoom ring to adjust the size of the projected image.
8 Adjust the Focus.
•
•
Turn the Focus ring to adjust the focus.
9 Adjust the KeystoneValue.
•
If the top of the projected image is not the same width as the bottom, use the Keystone control.
See “Keystone” on page11.
Caution: The projector requires a warm-up period (approximately 45 seconds) after the power is
turned on and a cool-down period (approximately 60 seconds) after the power is turned off.
The power cannot be turned on for at least 1 minute after the unit has been turned off. This is a safety
feature.
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ViewSonic PJ750
Connecting Input and Output Devices
Use the diagrams below as guides when connecting your input and output devices to the ViewSonic
PJ750 projector.
Remote control
sensor
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RGB IN 1 RGB IN 2
S-Video
Video IN
Audio IN L
Audio IN R
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Audio IN 1
Audio IN 2
Audio OUT
Rear foot
adjustor
USB
CONTROL
Air Vent
(exhaust)
RGB OUT
The lines in the figure below demonstrate how various input devices can be connected to the
ViewSonic PJ750 projector. For specific connection instructions, refer to the user guide for your
input device.
Notebook
Computer
S-Video VCR
VCR
Desktop
Computer
Audio speakers
(with built-in amplifier)
Figure 3: System Setup
ViewSonic PJ750
5
Positioning the Projector
Place the projector on a level table-top or other flat and stable surface. Refer to Figure 4 below to
determine the optimal placement distance from the screen.
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Figure 4: Recommended Projector Distances
To adjust the size of the projected area, refer to the following table. The table shows minimum and
maximum distances from the screen that you can place the projector to achieve a specific screen size.
All distances are given in inches.
Table 1: Recommended Distances to Screen
Screen Size
(inches)
Distance to Screen (inches)
(shown as ‘a’ in Figure 5, above)
Minimum
65
Maximum
78
40
60
98
117
80
131
163
196
246
328
157
196
236
295
100
120
150
200
394
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ViewSonic PJ750
Adjusting the Projector Angle
Adjust the projector angle using the foot adjusters shown in Figure 5 below. See also Keystone under
"Input Menu" on page 11.
1 Press the release button to lower the front foot, then tilt the projector up as shown in Figure 5
below.
•
The front foot adjusts the vertical height of the projected image.
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2 Release the button to lock the front foot in place.
3 Rotate the rear foot adjuster to align the image.
•
The rear foot adjusts the horizontal alignment of the projected image.
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Front foot adjuster
Press the release button
to lower the front foot adjuster
Rotate the rear
foot adjuster
Figure 5: Angle Adjustment
ViewSonic PJ750
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Using The Projector
Use the control buttons on the projector control pad and the remote control to make quick
adjustments to the controls listed in the following section.
Projector control pad
Remote control
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Video
Laser
RGB
Standby/On
Blank
LED indicators
STANDBY/ON
Standby/On
button
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Disk pad
MUTE
RESET
Input button
Mute button
Mouse/right
Position
Auto
Menu
Menu select
Reset
Reset button
Menu button
Magnify
Freeze
Volume
Mute
TIMER
Timer
Figure 6: Projector and Remote Controls
Control Buttons
Press a control button to display a menu, then use the arrow buttons to adjust the selected control.
The buttons on the projector control pad and on the remote control are explained below:
Standby/On Button
Press the STANDBY/ON button to begin the warm-up period. The power LED flashes
green during warm-up and lights a steady green when the projector is ready to use.
The projector cannot be restarted within 60 seconds after it is turned off because the
projector enters a cool-down mode. This is a safety feature.
Input Button (Video and RGB Buttons)
Use the INPUT button on the projector or the Video and RGB buttons on the remote
control to select the input source.
Press the INPUT button on the projector to cycle through input sources: RGB 1, RGB2,
Video or S-Video.
On the remote control:
-
-
Press the RGB button to select a computer as the input source.
Press the Video button to toggle between Video and S-Video.
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ViewSonic PJ750
Menu Button
Press the MENU button on the remote control or the projector control pad to display the
®
OnView menus.
1 Use the left or right arrow buttons to select a menu (Setup, Input, Image, Options).
2 Use the up and down arrow buttons to highlight an item on the displayed menu.
3 Use the right arrow button to select the highlighted menu item.
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4 Use the arrow buttons as indicated on screen to adjust the menu item.
Menu Select Button
Press the MENU SELECT button on the remote control to display a single menu item at a
time.
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Position Button
Use the POSITION button on the remote control and the arrow buttons to adjust the
position of the screen image.
NOTE: Position works only on a magnified image and when the input is from a computer
(RGB).
Magnify Buttons
Use the MAGNIFY buttons on the remote control to resize a portion of the projected
image.
-
-
-
Press the + button to enlarge the projected image.
Press the - button to decrease the projected image.
Press the OFF button to turn off magnification.
Reset Button
Press the RESET button on the projector or on the remote control to restore the factory
default settings. Select an item and press the Reset button.
Volume Buttons
Use the VOLUME buttons on the remote control to adjust the loudness of the audio
output.
Mute Button
Press the MUTE button to temporarily turn off the audio output.
Blank Button
Press the BLANK button on the remote control to display a blank screen showing only the
background color.
Freeze Button
Press the FREEZE button on the remote control to freeze (or hold) an image on screen.
Timer Button
Press the TIMER button on the remote control to activate the on-screen timer. Press the
button again to turn off the display.
Auto Button
AUTO
Use the AUTO button on the remote control to automatically adjust the vertical position
and horizontal position, phase, and size.
ViewSonic PJ750
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OnView Menus
Use the OnView® menus to make precise adjustments to the options described in the section below.
To access and adjust the OnView menus:
®
1 Press the MENU button on the remote control or the projector control pad to display the OnView
menus.
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2 Use the left or right arrow buttons to select a menu (Setup, Input, Image, Options).
3 Use the up and down arrow buttons to highlight an item on the displayed menu.
4 Use the right arrow button to select the highlighted menu item.
5 Use the arrow buttons as indicated on the screen to adjust the menu item.
6 Press the left arrow button to accept the adjustment and return to the menu.
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NOTE: If you do not push a button after making an adjustment, the change applies automatically
after a few seconds.
Setup Main Menu
SETUP Main Menu Video
SETUP Main Menu RGB
SETUP
BRIGHT
CONTRAST
V POSIT
H POSIT
H PHASE
H SIZE
INPUT
IMAGE
OPT.
SETUP
BRIGHT
CONTRAST
SHARPNESS
COLOR
INPUT
IMAGE
OPT.
0
-2
0
+1
+1
0
0
0
0
100
100
+1
TINT
800
COLOR BAL
COLOR BAL
ASPECT
R
B
COLOR BAL
COLOR BAL
ASPECT
R
B
0
0
Bright adjusts the brightness of the projected image.
Contrast adjusts the contrast of the projected image.
Vertical Position (computer input only) moves the projected image up or down.
Horizontal Position (computer input only) moves the projected image to the right or left.
Horizontal Phase (computer input only) eliminates visible horizontal lines on the projected image.
Horizontal Size (computer input only) widens or narrows the projected image.
Sharpness (video input only) makes the edges of the image appear softer or sharper.
Color (video input only) increases or decreases the saturation of the color.
Tint (video input only) adjusts the hue of the projected image from red to green.
Color Balance R darkens or lightens the Red color of the projected image.
Color Balance B darkens or lightens the Blue color of the projected image.
Aspect selects an aspect ratio for the projected image. The aspect ratio is the ratio of width to height
of the projected image.
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ViewSonic PJ750
Input Menu
INPUT Menu
SETUP
RGB
VIDEO
AUTO
INPUT
IMAGE
OPT.
The Input menu displays the options described below:
fH:38kHz
fV:60Hz
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RGB (computer input only) displays the horizontal and vertical sync signal frequency of an RGB
input source, such as a computer.
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Video (video input only) automatically detects and selects the input signal, or you can select the
specific input standard for your country from the list that displays.
Auto automatically adjusts the vertical and horizontal position, phase, and size.
Image Menu
IMAGE Menu
The Image menu displays the options described below:
SETUP
INPUT
IMAGE
OPT.
+1
KEYSTONE
BLANK
MIRROR
START UP
Keystone corrects image distortion that can occur when the angle of the projection is increased.
Keystone resizes the top or bottom of the projected image. See “Adjusting the Projector Angle” on
page 7.
Blank selects the background color of a blank screen.
Mirror adjusts the orientation of the screen image based upon the placement of the projector.
• Select Normal for a table-top projection.
• Select H: Invert for rear projection.
• Select V: Invert for a front projection ceiling mount.
• Select H&V: Invert for a rear projection ceiling mount.
Start up selects a start-up screen. You can select or deselect the ViewSonic Welcome screen to
display automatically at start-up.
ViewSonic PJ750
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Options Menu
OPTIONS Menu
The Options menu displays the options described below:
SETUP
INPUT
IMAGE
OPT.
128
VOLUME
MENU COLOR
TIMER
LANGUAGE
AUTO OFF
SYNC ON G
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Volume increases or decreases the speaker loudness.
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Menu Color selects a background color for on-screen menus (Orange,Yellow, Green, Blue,
Purple, Gray, Black).
Timer provides a countdown clock that you can set, typically to time a presentation. Set the
countdown Timer between 1 and 99 minutes. The time displays on the lower right portion of the
screen when you press the Timer button on the remote control.
Language allows you to select a menu-display language from a list.
Auto Off causes the projector to automatically enter a standby, cool-down mode after a specified
amount of time has elapsed without a signal.
Sync on G allows you to toggle On or Off the Sync on G option.
CAUTION: If you are unsure whether you are using a Sync on G input device, leave this option set
to Off.
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ViewSonic PJ750
No Signal Menu
NO SIGNAL Menu
To adjust projector settings before connecting input devices, use the
No Signal menu to set the options below:
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Volume increases or decreases the speaker loudness.
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Keystone corrects image distortion that can occur when the angle of the projection is increased.
Keystone resizes the top or bottom of the projected image. See “
page 7.
Adjusting the Projector Angle” on
Blank selects the background color of a blank screen.
Mirror adjusts the orientation of the screen image based upon the placement of the projector.
• Select Normal for a table-top projection.
• Select H: Invert for rear projection.
• Select V: Invert for a front projection ceiling mount.
• Select H&V: Invert for a rear projection ceiling mount.
Start up selects a start-up menu. You can select or deselect theViewSonic Welcome menu to
display automatically at start-up.
Menu Color selects a background color for on-screen menus (Orange, Yellow, Green, Blue,
Purple, Gray, Black).
Timer provides a countdown clock that you can set, typically to time a presentation. Set the
countdown timer between 1 and 99 minutes. The time displays on the lower right portion of the
screen when you press the Timer button on the remote control.
Language allows you to select a menu-display language from a list.
Auto Off causes the projector to automatically enter a standby, cool-down mode after a specified
amount of time has elapsed without a signal.
Sync on G allows you to toggle On or Off the Sync on G option.
CAUTION: When you are unsure whether you are using a Sync on G input device, leave this
option set to Off.
ViewSonic PJ750
13
Other Information
Specifications
LCD
Type
Pixels
Colors
Three 0.9” 1024 x 768 polysilicon, active matrix TFT LCD
786,432 (1024 x 768 V)
16.7 million
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Lens
Type
Manual zoom (1.2x), manual focus
F=1.7~ 2.0 (f = 37.5 - 45.1 mm)
Fixed 10:0 upward shift, normal at 10.5° ~ 8.8° projection
angle
Focal length
Keystone correction
Display
Lamp
Image size
76.2 to 762 cm (31” to 300” inches)
0.7 to 9.0 m (2.3 to 29.5 feet)
4:3
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Focus distance
Aspect ratio
Orientation
Front/rear desktop, front/rear ceiling
Lamp
Lamp life
UHB, 160 watts, ultra compact, replaceable
1500 hours
Audio
Power
1 watt stereo
Input signal
RGB analog
Video
75 ohms, 0.7vp-p
H/V separated, composite (TTL)
S-video
NTSC / NTSC 4.43, PAL, SECAM (1.0 Vp-p, 75 ohms)
Luminance signal 1.0 Vp-p, 75 ohms termination
Chrominance signal 0.29Vp-p (NTSC), 0.30Vp-p (PAL),
75 ohms termination
Frequency
PC
f : 15.75/15.63, 31-80 kHz f :56-120Hz
h
v
Compatibility
Compatible up to 1024 x 768 (compressed)
Compatible up to 1024 x 768 (compressed)
NTSC, NTSC 4.43, PAL(-BGHI), PAL-M, PAL-N, PAL60,
SECAM
1
Macintosh
Video
Remote range
Resolution
Angle
30 degrees cone angle (except rear-vertical: -20 degree)
3 m (10 feet)
Distance
Maximum
Recommended
1280 x 1024 @ 75Hz
1024 x 768 @ 60Hz
Input ports
RGB
15-pin mini D-sub
RCA (x1)
Mini DIN 4-pin (x1)
Stereo mini jack
15-pin mini D-sub
Video
S-video
Audio
Serial control
Power
Voltage
Consumption
100-120/220-240 VAC 50/60 Hz (auto switch)
250 watts
Operating conditions
Temperature
Humidity
Altitude
0° to 35°C (32° to 95°F)
10% to 85% (no condensation)
0 to 1,830 m (0 to 6,000 feet)
Storage conditions
Temperature
Humidity
Altitude
-20° to 60°C (-4° to 140°F)
10% to 85% (no condensation)
0 to 2,100 m (0 to 7,000 feet)
Dimensions and weight
Regulations
Projector
3.25 kgs (7.2 lbs)
298 x 228 x 76 mm
FCC class B, UL, C-UL, CE/TUV
1
May require a Macintosh adapter
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ViewSonic PJ750
Timing Chart
The following table lists the maximum refresh rates for standard resolutions (timing presets). Not all
video cards can operate at these rates. See your graphics card user guide to ensure compatibility.
Table 2: Computer Signal Rates and Resolution
Resolution
720 x 400
640 x 480
640 x 480
640 x 480
640 x 480
640 x 480
800 x 600
800 x 600
800 x 600
800 x 600
800 x 600
832 x 624
1024 x 768
1024 x 768
1024 x 768
1024 x 768
fH (kHz)
37.9
31.5
35.0
37.9
37.5
43.3
35.2
37.9
48.1
46.9
53.7
49.7
48.4
56.5
60.0
68.7
67.5
fV (Hz)
85.0
59.9
66.7
72.8
75.0
85.0
56.3
60.3
72.2
75.0
85.1
74.5
60.0
70.1
75.0
85.0
75.0
Rating
VESA
VESA
Signal mode
TEXT
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VGA-3
Mac 13” mode
VGA-3 (72Hz)
VGA-3 (75 Hz)
VGA-3 (85 Hz)
SVGA (56 Hz)
SVGA (60 Hz)
SVGA (72 Hz)
SVGA (75 Hz)
SVGA (85 Hz)
Mac 16” mode
XGA (60 Hz)
XGA (70 Hz)
XGA (75 Hz)
XGA (85 Hz)
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VESA
VESA
VESA
VESA
VESA
VESA
VESA
VESA
VESA
VESA
VESA
VESA
VESA
1152 x 864
(compressed)
1280 x 960
60.0
60.0
VESA
(compressed)
1280 x 1024
64.0
80.0
60.0
75.0
VESA
VESA
SXGA (60 Hz)
TEXT
1280 x 1024
(compressed)
ViewSonic PJ750
15
Troubleshooting
No power
• Make sure power button (or switch) is ON.
• Make sure A/C power cord is securely connected to a power outlet.
• Plug another electrical device (like a radio) into the power outlet to verify that the outlet is
supplying proper voltage.
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Power is on but the projector displays only the logo
• Make sure the input source is connected.
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Projector image is too dark or too light
• Adjust the Contrast and Brightness settings.
• Press Reset from the OnView® display menu to reset factory defaults.
Projector image is completely black (no light coming from the lamp)
• Make sure the lens cover is open.
• Make sure the power cord is connected and the unit is turned on. The LED should be steady green.
• Adjust Contrast and Brightness.
• The projector may have overheated. Let the unit cool down.
• Make sure ventilation openings are clear.
• Make sure air-filters are clean.
• Replace the lamp module.
The image appears unstable or misplaced
• Press Auto.
• Check that the resolution is compatible between the input device and the projector. See the
manufacturer’s instructions for your specific input device.
• If the projector is connected to a source with a non-standard computer or video card, adjust the
frequency of the computer signal.
The image is out of focus
• Adjust the focus.
• Make sure that the projection distance is at least 5 feet.
• Make sure the lens is clean.
• Adjust the H Phase.
Cooling fan is not working when the lamp is lit
• Have the projector repaired by an authorized dealer.
Caution: Do not operate the projector in this condition.
The lamp shuts off
• A minor power surge can cause the lamp to shut off. Turn off the Power switch. Let the projector
cool down, then restart.
• The projector may have overheated. Allow the projector to cool down, then restart.
• Recheck the power cord connection.
• Replace the lamp module.
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ViewSonic PJ750
Projector does not respond to the remote control (or responds poorly)
• Make sure you are within 10 feet from the projector.
• Point the remote at the screen or at the front of the projector.
• Make sure the infrared sensors (on the front and on the back) of the projector are not blocked.
• Darken the room. The lighting may be affecting the remote control.
• Replace the battery.
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No sound
• Adjust the Volume and make sure the Mute button is toggled to OFF.
• Verify that the audio input is properly connected.
• Adjust the audio source device.
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No video
• Check the video input connections.
• Adjust the Brightness.
A bright dot appears in the picture
• This is a characteristic of liquid crystal technology and is usually not a problem.
ViewSonic PJ750
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Power Indicator Lights
If the Lamp orTemperature indicator is red or flashing red when the ViewSonic PJ750 is turned on,
there is a problem and you should not proceed. Turn off the projector and let it cool down.
Table 3: Power Indicator Lights
Power
Lamp
Temperature
Indicator
Condition
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Indicator Indicator
ORANGE OFF
(steady)
OFF
OFF
OFF
OFF
OFF
OFF
Standby status–indicates that the power is on.
The ViewSonic PJ750 is in warm-up mode.
Ready for normal operation.
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GREEN
(flashing)
OFF
GREEN
(steady)
OFF
ORANGE OFF
(flashing)
The ViewSonic PJ750 is in cool-down mode.
RED
RED
Lamp does not light–lamp failure not related to
temperature.
RED
RED
(flashing)
The lamp is not secure or the lamp cover is not
closed–firmly insert the lamp into position and
secure the lamp cover.
RED
RED
OFF
OFF
RED
(flashing)
The cooling fan is not operating–theViewSonic
PJ750 requires service.
RED
Internal overheating–the ViewSonic PJ750 should
power-off automatically or you should turn off the
unit. Allow the unit to cool down for 20 minutes.
Make sure the air-filter is clean and the air vents are
clear before preceding.
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ViewSonic PJ750
Screen Messages
Periodically, messages appear on-screen to inform you of certain conditions. Most screen messages
disappear after three (3) minutes and display again when you turn on the projector. The table below
identifies various screen messages and their meanings.
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Table 4: Screen Messages
Screen Message
Meaning or Action Required
CHANGE THE LAMP
The lamp service life is nearing its end. Replace the
lamp soon. This message displays after about 1300
hours of lamp usage.
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AFTER REPLACING THE LAMP,
RESET THE LAMP TIME
CHANGE THE LAMP
The lamp shuts off after approximately ** hours
have elapsed. Replace the lamp before the indicated
hours have elapsed.
AFTER REPLACING THE LAMP,
RESET THE LAMP TIME
THE POWER WILL TURN OFF AFTER
** HR.
CHANGE THE LAMP
The lamp shuts off very soon because the remaining
usage hours has elapsed. Replace the lamp
immediately.
AFTER REPLACING THE LAMP,
RESET THE LAMP TIME
THE POWER WILL TURN OFF AFTER
0 HR.
NO INPUT IS DETECTED
SYNC IS OUT OF RANGE
CHECK THE AIR FLOW
The ViewSonic PJ750 is not receiving a signal from
the source.
The current horizontal or vertical frequency signal
from the computer cannot be used by this projector.
The sensor has detected restricted air flow or no air
flow. Make sure the air vents are clear and the air
filter is clean.
ViewSonic PJ750
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Maintenance
Projector Lamp
Lamp Unit
• To order a new lamp unit (part number) contact ViewSonic
Customer Support.
• Estimated lamp life is 1500 hours.
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WARNING: Make sure the power cord is disconnected and the unit
is cool. Wait 45 minutes for the lamp to cool down.
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Replacing the Lamp
1 Gently turn the projector over and place it on a towel or blanket.
Expose the lamp cover on the bottom of projector.
2 Loosen the lamp cover screw as shown.
3 Gently remove the cover.
4 Loosen the lamp unit screws (after the cover is removed).
5 Gently pull the unit out of the lamp compartment using the flip-
up handle grip.
6 Gently insert the new lamp.
7 Replace the lamp unit screws.
8 Replace the cover and secure with the lamp cover screw.
Figure 7: Lamp Replacement
Resetting the Lamp Timer
After replacing the lamp, the lamp LED lights a steady red and the
“Change the Lamp” message displays.
Within 10 minutes after turning on the power do the following:
1 Press (and hold for three seconds) the Reset button on the
projector control pad. The “Lamp hours” message displays on the
bottom of the screen.
2 Press the Reset button on the projector control pad while the
lamp timer is displayed.
3 Use the direction arrows to select zero (0) and wait until the
Lamp timer display clears.
Important: The message functions will not operate properly if the
lamp timer is reset without replacing the lamp or the lamp timer is
not reset when the lamp is replaced.
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ViewSonic PJ750
Remote Control Batteries
Replace the batteries when the remote control unit becomes difficult to operate (such as slow
response when you push a button). Use 2 AA batteries as shown in Figure 8 below.
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Figure 8: Installing the Batteries
To replace the batteries:
1 Pull the plastic tab from the battery access door when using the new projector for the first time.
2 Push the tab on the bottom of the remote unit and remove the battery cover.
3 Gently remove the batteries from the holder and replace them with new batteries.
4 Ensure that the positive and negative terminals (+ / -) are positioned correctly.
5 Push the battery cover into place. The cover should click into place.
Cleaning Instructions
Projector Lens
Clean the lens with a damp, non-abrasive cloth. Apply a lens cleaning solution or a glass cleaning
solution to the cloth. Do not spray a cleaning solution directly onto the lens.
Projector Case
Make sure the projector is cool before cleaning. Clean the exterior case with a moist cloth using a
mild detergent.
WARNING: Do not use alcohol, benzene, or other chemical cleaners which could damage the case.
Air-Filter
Clean or replace the air-filter after every 100 hours of use to prevent overheating, which could
damage the projector.
1 Make sure the projector is cool and the power cord is unplugged before beginning.
2 Vacuum the air-filter.
WARNING: Never operate the projector without the air-filter; doing so will damage the projector.
ViewSonic PJ750
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Attaching the Optional Handle
The ViewSonic PJ750 comes with an attachable handle. Follow the steps below to attach the handle.
The handle hooks are on the left side of the projector,
Handle hooks
as shown in the figure to the left. If you choose to use
the attachable handle, follow the steps below
carefully.
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Caution: Never lift the projector by the handle
without first ensuring that the handle is attached and
fastened. Doing so may cause injury or damage to the
projector
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To attach the handle:
1 Lift one handle hook on the side of the projector.
2 Pass one end of the handle through the handle
hook.
3 Buckle the end of the handle as shown.
4 Repeat steps 1 through 3 to attach the other end of
the handle.
Figure 9: Attaching the Handle
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ViewSonic PJ750
Customer Support
For the most expedient answer to your question, do the following:
1 Check Troubleshooting (on the previous page).
2 For assistance contact your reseller.
3 For further assistance see the contact information listed below.
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Ask your reseller to refer you to a service center if contact information for your country or region is
not listed below:
NOTE: You will need to provide the serial number (on the back of the product)..
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Country/Region Web site
T = Telephone
F = FAX
Email
United States
Canada
viewsonic.com/
support
T: (800) 688-6688
F: (909) 468-1202
viewsonic.com/
support
T: (800) 688-6688
F: (909) 468-1202
United Kingdom
viewsoniceurope.com
T: 0800 833 648
F: (01293) 643910
Europe, Middle
East, Baltic
viewsoniceurope.com
Contact your reseller
countries, and
North Africa
Australia and New viewsonic.com.au
Zealand
T: +61 2 9929 3955
F: +61 2 9929 8393
Singapore/India
viewsonic.com.sg
viewsonic.com.tw
viewsonic.com/asia
T: 65 273 4018
F: 65 273 1566
and Southeast Asia
Other Asia/Pacific
countries
T: 886 2 2246 3456
F: 886 2 8242 3668
South Africa
T: 886 2 2246 3456
F: 886 2 8242 3668
ViewSonic PJ750
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Limited Warranty
VIEWSONIC Projector
What the warranty covers:
ViewSonic® warrants its products to be free from defects in material and workmanship during the warranty period. If a
product proves to be defective in material or workmanship during the warranty period, ViewSonic will at its sole option
repair or replace the product with a like product. Replacement product or parts may include remanufactured or refurbished
parts or components.
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How long the warranty is effective:
ViewSonic projectors are warranted for two (2) years for all parts excluding the lamp, two (2) years for all labor, and ninety
(90) days for the lamp from the date of the first consumer purchase.
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Who the warranty protects:
This warranty is valid only for the first consumer purchaser.
What the warranty does not cover:
1. Any product on which the serial number has been defaced, modified or removed.
2. Damage, deterioration or malfunction resulting from:
a. Accident, misuse, neglect, fire, water, lightning, or other acts of nature, unauthorized product modification, or failure to follow
instructions supplied with the product.
b. Repair or attempted repair by anyone not authorized by ViewSonic.
c. Any damage of the product due to shipment.
d. Removal or installation of the product.
e. Causes external to the product, such as electric power fluctuations or failure.
f. Use of supplies or parts not meeting ViewSonic’s specifications.
g. Normal wear and tear.
h. Any other cause which does not relate to a product defect.
3. Removal, installation, and set-up service charges.
How to get service:
1. For information about receiving service under warranty, contact ViewSonic Customer Support. You will need to provide your
product’s serial number.
2. To obtain warranted service, you will be required to provide (a) the original dated sales slip, (b) your name, (c) your address, (d) a
description of the problem, and (e) the serial number of the product.
3. Take or ship the product freight prepaid in the original container to an authorized ViewSonic service center or ViewSonic.
4. For additional information or the name of the nearest ViewSonic service center, contact ViewSonic.
Limitation of implied warranties:
THERE ARE NO WARRANTIES, EXPRESS OR IMPLIED, WHICH EXTEND BEYOND THE DESCRIPTION CONTAINED
HEREIN INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.
Exclusion of damages:
VIEWSONIC’S LIABILITY IS LIMITED TO THE COST OF REPAIR OR REPLACEMENT OF THE PRODUCT.
VIEWSONIC SHALL NOT BE LIABLE FOR:
1. DAMAGE TO OTHER PROPERTY CAUSED BY ANY DEFECTS IN THE PRODUCT, DAMAGES BASED UPON INCONVENIENCE,
LOSS OF USE OF THE PRODUCT, LOSS OF TIME, LOSS OF PROFITS, LOSS OF BUSINESS OPPORTUNITY, LOSS OF
GOODWILL, INTERFERENCE WITH BUSINESS RELATIONSHIPS, OR OTHER COMMERCIAL LOSS, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
2. ANY OTHER DAMAGES, WHETHER INCIDENTAL, CONSEQUENTIAL OR OTHERWISE.
3. ANY CLAIM AGAINST THE CUSTOMER BY ANY OTHER PARTY.
Effect of state law:
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Some
states do not allow limitations on implied warranties and/or do not allow the exclusion of incidental or consequential
damages, so the above limitations and exclusions may not apply to you.
Sales outside the U.S.A. and Canada:
For warranty information and service on ViewSonic products sold outside of the U.S.A. and Canada, contact ViewSonic
or your local ViewSonic dealer.
Projector Warranty (V2.1)
Release Date: 04-18-2001
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ViewSonic PJ750
Appendix
Power Cord Safety Guidelines
Caution: Use a power cable that is properly grounded. Always use an AC power cord that meets your country’s safety
standard.
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USA.............................. UL
Canada......................... CSA
Germany ...................... VDE
Switzerland ...................SEV
Britain............................BASE/BS
Japan ............................Electric Appliance Control Act
AC PLUG CORD PRECAUTIONS FOR THE UNITED KINGDOM
FOR YOUR SAFETY PLEASE READ THE FOLLOWING TEXT CAREFULLY.
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IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET THEN THE PLUG
SHOULD BE CUT OFF AND DISPOSED OF SAFELY.
THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED INTO AN
APPROPRIATE SOCKET.
If a new plug is to be fitted, please observe the wiring code as shown below.
If in any doubt, please consult a qualified electrician.
WARNING: THIS APPLIANCE MUST BE EARTHED.
IMPORTANT: The wires in this mains lead are coloured in accordance with the following code:
Green-and-Yellow: Earth
Blue:
Brown:
Neutral
Live
If the coloured wires of the mains lead of this appliance do not correspond with the coloured markings
identifying the terminals in your plug, proceed as follows:
The wire which is coloured GREEN-AND-YELLOW must be connected to the terminal in the plug which is
marked by the letter E or by the Earth symbol or coloured GREEN or GREEN-AND-YELLOW.
The wire which is coloured BLUE must be connected to the terminal in the plug which is marked with the letter
N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal in the plug
which is marked with the letter L or coloured RED.
IMPORTANT NOTICE CONCERNING POWER CORD SELECTION
The power cord set for this unit has been enclosed and has been selected according to the country of
destination and must be used to prevent electric shock. Use the following guidelines if it is necessary to
replace the original cord set, or if the cord set is not enclosed.
The female receptacle of the cord set must meet CEE-22 requirements and will look like (Figure A1 below):
Figure A1
For the United States and Canada
In the United States and Canada the male plug is a NEMA5-15 style (Figure A2), UL Listed, and CSA
Labeled. For units which are mounted on a desk or table, type SVT or SJT cord sets may be used. For units
which sit on the floor, only SJT type cord sets may be used. The cord set must be selected according to the
current rating for your unit. Please consult the table below for the selection criteria for power cords used in the
United States and Canada.
Figure A2
Cord Type
Size of Conductors in Cord
Maximum Current Rating of Unit
SJT
18 AWG
16 AWG
14 AWG
10 Amps
12 Amps
12 Amps
SVT
18 AWG
17 AWG
10 Amps
12 Amps
For European Countries
In Europe you must use a cord set which is appropriate for the receptacles in your country. The cord set is
HAR-Certified, and a special mark that will appear on the outer sheath, or on the insulation of one of the inner
conductors.
If you have any questions concerning which proper power cord to use, please consult with the dealer from
whom you have purchased the product.
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FCC Information
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy, and if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
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•
•
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Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
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FCC Warning
To assure continued FCC compliance, the user must use groun
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ViewSonic Corporation
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