ViewSonic Pj853 Projector User Manual

							ViewSonic PJ85312
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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.
Ta b l e2:Computer Signal Rates and Resolution
Resolution fH(kHz) fV(Hz) Rating Signal mode
640 x 350 37.9 85.1 VESA VGA-1
640 x 400 37.9 85.1 VESA VGA-2
720 x 400 37.9 85.0 VESA TEXT
640 x 480 31.5 59.9 VESA VGA-3
640 x 480 35.0 66.7 Mac 13” mode
640 x 480 37.9 72.8 VESA VGA-3 (72Hz)
640 x 480 37.5 75.0 VESA VGA-3 (75 Hz)
640 x 480 43.3 85.0 VESA VGA-3 (85 Hz)
800 x 600 35.2 56.3 VESA SVGA (56 Hz)
800 x 600 37.9 60.3 VESA SVGA (60 Hz)
800 x 600 48.1 72.2 VESA SVGA (72 Hz)
800 x 600 46.9 75.0 VESA SVGA (75 Hz)
800 x 600 53.7 85.1 VESA SVGA (85 Hz)
832 x 624
(partial)49.7 74.5 Mac 16” mode
1024 x 768
(compressed)48.4 60.0 VESA XGA (60 Hz)
1024 x 768
(compressed)56.5 70.1 VESA XGA (70 Hz)
1024 x 768
(compressed)60.0 75.0 VESA XGA (75 Hz)
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Troubleshooting
Nopower
 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.
Power is on but projector is onlydisplaying the logo
 Make sure the input source is connected.
Projector image is too darkor too light
 Adjust the Contrast and Brightness settings.
 Press Reset from the OnView
®display menu to reset factory defaults.
Projector image is completelyblack(no light coming from the lamp)
 Make sure the lens cap has been removed.
 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
PressAuto.
 Make sure the source has compatible resolution.
 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
Caution:
Do not operate the projector in this condition.
 Have the projector repaired by an authorized dealer.
The lamp shuts off
 A minor power surge may cause the lamp to shut off. Press the Power button twice to turn off the projector. 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.
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.
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.
Novideo
 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.
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Maintenance
Lamp Replacement
Lamp Unit
 To order a new lamp unit (part number RLC-130-03A) contact
ViewSonic Customer Support: “Customer Support” on page 18.
 Estimated lamp life is 2000 hours.
WARNING:
Make sure the power cord is disconnected.
WARNING:
Make sure the unit is cool. Wait 45 minutes for the lamp
to cool down.
Figure8: Lamp ReplacementLamp Replacement
1Gently turn the projector over and place it on a towel or blanket.
Expose the lamp cover on the bottom of projector.
2Loosen the lamp cover screws as shown.
3Gently remove the cover.
4Loosen the lamp unit screw (after the cover is removed).
5Gently pull the unit out of the lamp compartment using the flip-up
handle grip.
6Gently insert the new lamp.
7Replace the lamp unit screw.
8Replace the cover and secure with the lamp cover screw.
Resetting theLamp Timer
After replacing the lamp, the lamp indicator light will be red and the
“Change the Lamp” message will be displayed.
Within 10 minutes after turning on the power do the following:
1Press (and hold for a few seconds) the Timer button on the remote
control or the Reset button on the projector control pad. The “Lamp
hours” message will display on the bottom of the screen.
2Press the Menu button on the remote control or the Reset button on
the projector control pad while the lamp timer is displayed.
3Use 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.
Lamp Bulb
Glass Reflector tube
Lamp Unit
Bottom of projector
Handle grip
Lamp cover screws
Lamp unit screw
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Air-Filter
Clean or replace the air-filter after about every 100 hours of use to prevent overheating which
could damage the projector.
WARNING:Never operate the projector without the air-filter; doing so will damage the projector.
1Make sure the projector is cool and the power cord is unplugged before beginning.
2Flip open the air-filter cover.
3Gently remove the air filter.
4Vacuum the air-filter.
You may also hand-wash the filter in warm water. (See warning below.)
5Replace the air-filter.
6Replace the filter cover.
WARNING:Do not power-on the projector unless you are sure the filter is completely dry. Humidity
or steam can damage the projector.
Figure10:Cleaning the air-filter
Air Filter Cover
Filter
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							ViewSonic PJ85318
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Customer Support
For the most expedient answer to your question, do the following:
1Check Troubleshooting (on the previous page).
2For assistance contact your reseller.
3For further assistance see the contact information listed below.
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).
Country/Region T = Telephone
F=FAXEmail
United States
CanadaT:(800) 688-6688
F:(909) 468-1202
T:(800) 688-6688
F:(909) [email protected]
[email protected]
United KingdomT:0800 833 648
F:0044 (0)1293 643910----------------------------
Europe, Middle East, Baltic
countries, and North AfricaT:0044 (0)1293 643900
F:0044 (0)1293 643910-----------------------------
Australia (contact reseller) -----------------------------
New ZealandT:64-3-366-1135
F:[email protected]
Singapore/Southeast AsiaT:65-273-4018
F:[email protected]
Other Asia/Pacific countries
and Indian PeninsulaT:886-2-2248-4072
F:[email protected]
South AfricaT:27-11-314-0002
F:[email protected]
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