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...

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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...

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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...

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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.)...

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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...